R. Bock

Details der Publikationsliste

Zeitraum

1976 - 2009

Anzahl

731

Co-Autoren

Discovery of very high energy gamma-rays from the flat spectrum radio quasar 3C 279 with the MAGIC telescope (2009)

Errando, M., Bock, R., Kranich, D., Lorenz, E., Majumdar, P., Mariotti, M., ...

3C 279 is one of the best studied flat spectrum radio quasars located at a comparatively large redshift of z = 0.536. Observations in the very high energy band of such distant sources were impossible...

Viral and murine interleukin-10 are correctly processed and retain their biological activity when produced in tobacco (2009)

Bortesi, L., Rossato, M., Schuster, F., Raven, N., Stadlmann, J., Avesani, L., ...

Background: Interleukin-10 (IL-10) is a potent anti-inflammatory cytokine, with therapeutic applications in several autoimmune and inflammatory diseases. Oral administration of this cytokine alone,...

Viral and murine interleukin-10 are correctly processed and retain their biological activity when produced in tobacco (2009)

Bortesi, L., Rossato, M., Schuster, F., Raven, N., Stadlmann, J., Avesani, L., ...

Background: Interleukin-10 (IL-10) is a potent anti-inflammatory cytokine, with therapeutic applications in several autoimmune and inflammatory diseases. Oral administration of this cytokine alone,...

Microscopic homogeneity of emitters formed on textured silicon using in-line diffusion and phosphoric acid as the dopant source (2009)

Voyer, C., Buettner, T., Bock, R., Biro, D., Preu, R.

An important point of comparison between POCl3 emitter diffusion in a quartz tube furnace and in-line diffusion using sprayed phosphoric acid is the microscopic homogeneity of the diffusion, i.e. the...

Phylogenetic relationships in Solanaceae and related species based on cpDNA sequence from plastid trnE-trnT region (2008)

Melotto-Passarin, D. M., Berger, I. J., Dressano, K., De Martin, V. D., Oliveira, G. C. X., Bock, R., ...

Intergenic spacers of chloroplast DNA (cpDNA) are very useful in phylogenetic and population genetic studies of plant species, to study their potential integration in phylogenetic analysis. The...

Determining the transgene containment level provided by chloroplast transformation (2007)

Ruf, S., Karcher, D., Bock, R.

Plastids (chloroplasts) are maternally inherited in most crops. Maternal inheritance excludes plastid genes and transgenes from pollen transmission. Therefore, plastid transformation is considered a...

Contained metabolic engineering in tomatoes by expression of carotenoid biosynthesis genes from the plastid genome (2007)

Wurbs, D., Ruf, S., Bock, R.

Applications of chloroplast engineering in agriculture and biotechnology will depend critically on success in extending the crop range of chloroplast transformation, and on the feasibility of...

The plastome-encoded PsaJ subunit is required for efficient photosystem I excitation, but not for plastocyanin oxidation in tobacco (2007)

Schottler, M. A., Flugel, C., Thiele, W., Stegemann, S., Bock, R.

The functions of several small subunits of the large photosynthetic multiprotein complex photosystem I (PSI) are not yet understood. To elucidate the function of the small plastome-encoded PsaJ...

Knock-out of the plastid-encoded PetL subunit results in reduced stability and accelerated leaf age-dependent loss of the cytochrome b(6)f complex (2007)

Schottler, M. A., Flugel, C., Thiele, W., Bock, R.

The cytochrome-b(6)f complex, a key component of the photosynthetic electron transport chain, contains a number of very small protein subunits whose functions are not well defined. Here we have...

A leaf-based regeneration and transformation system for maize (Zea mays L.) (2007)

Ahmadabadi, M., Ruf, S., Bock, R.

Efficient methods for in vitro propagation, regeneration, and transformation of plants are of pivotal importance to both basic and applied research. While being the world's major food crops, cereals...

Plastid biotechnology: prospects for herbicide and insect resistance, metabolic engineering and molecular farming (2007)

Bock, R.

Transgene expression from the chloroplast (plastid) genome offers several attractions to plant biotechnologists, including high-level accumulation of foreign proteins, transgene stacking in operons...

MAGIC Phase II (2006)

Baixeras, C., Bretz, T., Biland, A., Bock, R., Cortina, J., De Angelis, A., ...

MAGIC, the largest ground-based gamma ray telescope in the world, has been in scientific operation since summer 2004. The major motivation of the MAGIC project is to study high energy phenomena in...

New class of soft matter electrolytes obtained via heterogeneous doping: Percolation effects in `soggy sand' electrolytes (2006)

Bhattacharyya, A. J., Maier, J., Bock, R., Lange, F. F.

Percolation effects observed in the ionic conductivity variation with oxide volume fraction in "soggy sand" electrolytes [A non-aqueous electrolyte and a battery, a supercapacitor, and electrochromic...

Particle bombardment and the genetic enhancement of crops: myths and realities (2005)

Altpeter, F., Baisakh, N., Beachy, R., Bock, R., Capell, T., Christou, P., ...

DNA transfer by particle bombardment makes use of physical processes to achieve the transformation of crop plants. There is no dependence on bacteria, so the limitations inherent in organisms such as...

Cytoplasm and chloroplasts are not suitable subcellular locations for beta-zein accumulation in transgenic plants (2005)

Bellucci, M., De Marchis, F., Mannucci, R., Bock, R., Arcioni, S.

Zeins, the main storage proteins of maize that accumulate in the endoplasmic reticulum of the endosperm cells, are particularly interesting because they are rich in the essential sulphur amino acids....

Particle bombardment and the genetic enhancement of crops: myths and realities (2005)

Altpeter, F., Baisakh, N., Beachy, R., Bock, R., Capell, T., Christou, P., ...

DNA transfer by particle bombardment makes use of physical processes to achieve the transformation of crop plants. There is no dependence on bacteria, so the limitations inherent in organisms such as...

Commissioning and first tests of the MAGIC telescope (2004)

Baixeras,C., Bastieri,D., Bigongiari,C., Blanch,O., Blanchot,G., Bock,R., ...

Major Atmospheric Gamma Imaging Cherenkov telescope is starting its operations with a set of engineering runs to tune the telescope subsystem elements to be ready for the first physics campaign. Many...

Commissioning and first tests of the MAGIC telescope (2004)

Baixeras, C., Bastieri, D., Bigongiari, C., Blanch, O., Blanchot, G., Bock, R., ...

Major Atmospheric Gamma Imaging Cherenkov telescope is starting its operations with a set of engineering runs to tune the telescope subsystem elements to be ready for the first physics campaign. Many...

Rapid evolution of RNA editing sites in a small non-essential plastid gene (2004)

Fiebig, A., Stegemann, S., Bock, R.

Chloroplast RNA editing proceeds by C-to-U transitions at highly specific sites. Here, we provide a phylogenetic analysis of RNA editing in a small plastid gene, petL, encoding subunit VI of the...

Surprising features of plastid ndhD transcripts: addition of non-encoded nucleotides and polysome association of mRNAs with an unedited start codon (2004)

Zandueta-Criado, A., Bock, R.

RNA editing in higher plant plastids is a post- transcriptional RNA maturation process changing single cytidine nucleotides into uridine. In the ndhD transcript of tobacco and several other plant...

Taming plastids for a green future (2004)

Bock, R., Khan, M. S.

Plant genetic engineering will probably contribute to the required continued increase in agricultural productivity during the coming decades, and moreover, plants can potentially provide inexpensive...

Hadronic Expansion Dynamics in Central Pb+Pb Collisions at 158 GeV per Nucleon (2000)

Appelshäuser, H, Bächler, J, Bailey, S J, Barnby, L S, Bartke, Jerzy, Barton, R A, ...

Two-particle correlation functions of negative hadrons over wide phase space, and transverse mass spectra of negative hadrons and deuterons near mid-rapidity have been measured in central Pb+Pb...

Three-Pion Interferometry Results from Central Pb+Pb Collisions at 158 A GeV/c (2000)

Aggarwal, M M, Agnihotri, A, Ahammed, Z, Angelis, Aris L S, Antonenko, V G, Arefev, V, ...

Three-particle correlations have been measured for identified negative pions from central 158 A GeV Pb+Pb collisions by the WA98 experiment at CERN. A substantial contribution of the genuine...

Observation of Direct Photons in Central 158 A GeV $^{208}Pb+^{208}Pb$ Collisions (2000)

Aggarwal, M M, Agnihotri, A, Ahammed, Z, Angelis, Aris L S, Antonenko, V G, Arefev, V, ...

A measurement of direct photon production in 208Pb + 208Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons in central collisions is...

Direct Photon Production in 158 A GeV $^{208}Pb+^{208}Pb$ collisions (2000)

Aggarwal, M M, Agnihotri, A, Ahammed, Z, Angelis, Aris L S, Antonenko, V G, Arefev, V, ...

A measurement of direct photon production in 208Pb + 208Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield or upper limit of direct photons as a function...

Central Pb+Pb Collisions at 158 A GeV/c Studied by $\pi^{-}\pi^{-}$ Interferometry (2000)

Aggarwal, M M, Agnihotri, A, Ahammed, Z, Angelis, Aris L S, Antonenko, V G, Arefev, V, ...

Two-particle correlations have been measured for identified negative pionsfrom central 158 AGeV Pb+Pb collisions and fitted radii of about 7 fm in alldimensions have been obtained. A...

X-ray radiation from ions with K-shell vacancies (2000)

F.B. Rosmej, U.N. Funk, M. Geißel, A. Tauschwitz, A.Ya. Faenov, ...

New types of space resolved X-ray spectra produced in light matter experiments with high intensity lasers have been investigated experimentally and theoretically. This type of spectra is...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Centrality Dependence of Neutral Pion Production in 158 A GeV $^{208}Pb +^{208}Pb$ Collisions (1998)

Aggarwal, M.M., Agnihotri, A., Ahammed, Z., Angelis, A.L.S., Antonenko, V., Arefev, V., ...

The production of neutral pions in 158AGeV Pb+Pb collisions has been studied in the WA98 experiment at the CERN SPS. Transverse momentum spectra are studied for the range 0.3 GeV/c mT-m0 4.0 GeV/c....

Single and Multi-Photon Events with Missing Energy in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

QCD Results from Studies of Hadronic Events produced in $e^+ e^-$ Annihilations at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...

Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...

Measurement of the Effective Weak Mixing Angle by Jet-Charge Asymmetry in Hadronic Decays of the Z Boson (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...

Measurement of the Inclusive Charmless Semileptonic Branching Fraction of Beauty Hadrons and a Determination of $\mid V_{ub} \mid$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...

Search for New Physics Phenomena in Fermion-Pair Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...

Test of CP Invariance in Z $\to \mu^+\mu^-\gamma$ decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...

Measurement of the Michel Parameters and the Average $\tau$-Neutrino Helicity from $\tau$ Decays at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...

Upper Limit on the Lifetime Difference of Short- and Long-lived $B^0_s$ Mesons (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of $\tau$ Polarisation at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Local multiplicity fluctuations in hadronic Z decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Production of Single W Bosons in $e^+ e^-$ Interactions at 130 $\leq \sqrt{s} \leq$ 183 GeV and Limits on Anomalous WW$\gamma$ Couplings (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ = 130-183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Study of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Measurement of W-Pair Cross Sections in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ =183 GeV and W-Decay Branching Fractions (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV \rts 183...

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

Measurement of the Average Lifetime of b-Hadrons in Z Decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...

Centrality Dependence of Neutral Pion Production in 158 A GeV $^{208}Pb +^{208}Pb$ Collisions (1998)

Aggarwal, M.M., Agnihotri, A., Ahammed, Z., Angelis, A.L.S., Antonenko, V., Arefev, V., ...

The production of neutral pions in 158AGeV Pb+Pb collisions has been studied in the WA98 experiment at the CERN SPS. Transverse momentum spectra are studied for the range 0.3 GeV/c mT-m0 4.0 GeV/c....

Single and Multi-Photon Events with Missing Energy in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

QCD Results from Studies of Hadronic Events produced in $e^+ e^-$ Annihilations at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...

Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...

Measurement of the Effective Weak Mixing Angle by Jet-Charge Asymmetry in Hadronic Decays of the Z Boson (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...

Measurement of the Inclusive Charmless Semileptonic Branching Fraction of Beauty Hadrons and a Determination of $\mid V_{ub} \mid$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...

Search for New Physics Phenomena in Fermion-Pair Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...

Test of CP Invariance in Z $\to \mu^+\mu^-\gamma$ decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...

Measurement of the Michel Parameters and the Average $\tau$-Neutrino Helicity from $\tau$ Decays at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...

Upper Limit on the Lifetime Difference of Short- and Long-lived $B^0_s$ Mesons (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of $\tau$ Polarisation at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Local multiplicity fluctuations in hadronic Z decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Production of Single W Bosons in $e^+ e^-$ Interactions at 130 $\leq \sqrt{s} \leq$ 183 GeV and Limits on Anomalous WW$\gamma$ Couplings (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ = 130-183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Study of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Measurement of W-Pair Cross Sections in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ =183 GeV and W-Decay Branching Fractions (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV \rts 183...

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

Measurement of the Average Lifetime of b-Hadrons in Z Decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...

Single and Multi-Photon Events with Missing Energy in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

QCD Results from Studies of Hadronic Events produced in $e^+ e^-$ Annihilations at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...

Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...

Measurement of the Effective Weak Mixing Angle by Jet-Charge Asymmetry in Hadronic Decays of the Z Boson (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...

Measurement of the Inclusive Charmless Semileptonic Branching Fraction of Beauty Hadrons and a Determination of $\mid V_{ub} \mid$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...

Search for New Physics Phenomena in Fermion-Pair Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...

Test of CP Invariance in Z $\to \mu^+\mu^-\gamma$ decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...

Measurement of the Michel Parameters and the Average $\tau$-Neutrino Helicity from $\tau$ Decays at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...

Upper Limit on the Lifetime Difference of Short- and Long-lived $B^0_s$ Mesons (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of $\tau$ Polarisation at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Local multiplicity fluctuations in hadronic Z decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Production of Single W Bosons in $e^+ e^-$ Interactions at 130 $\leq \sqrt{s} \leq$ 183 GeV and Limits on Anomalous WW$\gamma$ Couplings (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ = 130-183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Study of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Measurement of W-Pair Cross Sections in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ =183 GeV and W-Decay Branching Fractions (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average centre-of-mass...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV \rts 183...

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

Measurement of the Average Lifetime of b-Hadrons in Z Decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...

Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...

Measurement of the Average Lifetime of b-Hadrons in Z Decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...

Measurement of the Effective Weak Mixing Angle by Jet-Charge Asymmetry in Hadronic Decays of the Z Boson (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...

Measurement of the Inclusive Charmless Semileptonic Branching Fraction of Beauty Hadrons and a Determination of $\mid V_{ub} \mid$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...

Search for New Physics Phenomena in Fermion-Pair Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...

Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...

Measurement of the Michel Parameters and the Average $\tau$-Neutrino Helicity from $\tau$ Decays at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...

Upper Limit on the Lifetime Difference of Short- and Long-lived $B^0_s$ Mesons (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of $\tau$ Polarisation at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Local multiplicity fluctuations in hadronic Z decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Production of Single W Bosons in $e^+ e^-$ Interactions at 130 $\leq \sqrt{s} \leq$ 183 GeV and Limits on Anomalous WW$\gamma$ Couplings (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ = 130-183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Study of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Measurement of W-Pair Cross Sections in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ =183 GeV and W-Decay Branching Fractions (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average centre-of-mass...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV \rts 183...

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

QCD Results from Studies of Hadronic Events produced in $e^+ e^-$ Annihilations at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity...

Single and Multi-Photon Events with Missing Energy in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

Test of CP Invariance in Z $\to \mu^+\mu^-\gamma$ decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...

Measurement of the Average Lifetime of b-Hadrons in Z Decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...

Measurement of the Effective Weak Mixing Angle by Jet-Charge Asymmetry in Hadronic Decays of the Z Boson (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...

Measurement of the Inclusive Charmless Semileptonic Branching Fraction of Beauty Hadrons and a Determination of $\mid V_{ub} \mid$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...

Search for New Physics Phenomena in Fermion-Pair Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...

Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...

Measurement of the Michel Parameters and the Average $\tau$-Neutrino Helicity from $\tau$ Decays at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...

Upper Limit on the Lifetime Difference of Short- and Long-lived $B^0_s$ Mesons (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of $\tau$ Polarisation at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Local multiplicity fluctuations in hadronic Z decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Production of Single W Bosons in $e^+ e^-$ Interactions at 130 $\leq \sqrt{s} \leq$ 183 GeV and Limits on Anomalous WW$\gamma$ Couplings (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ = 130-183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Study of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Measurement of W-Pair Cross Sections in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ =183 GeV and W-Decay Branching Fractions (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average centre-of-mass...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV \rts 183...

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

QCD Results from Studies of Hadronic Events produced in $e^+ e^-$ Annihilations at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity...

Single and Multi-Photon Events with Missing Energy in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183 GeV (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

Test of CP Invariance in Z $\to \mu^+\mu^-\gamma$ decay (1998)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Directed and Elliptic Flow in 158 GeV/Nucleon Pb + Pb Collisions (1997)

Appelshäuser, H, Bächler, J, Bailey, S J, Barnby, L S, Bartke, J, Barton, R A, ...

The directed and elliptic flow of protons and charged pions has been observed from the semi-central collisions of a 158 GeV/nucleon Pb beam with a Pb target. The rapidity and transverse momentum...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...

Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...

Study of the Weak Charged Hadronic Current in b Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...

Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

Search for Neutral B Meson Decays to Two Charged Leptons (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...

Production of Single W Bosons at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...

Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...

Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between...

Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV $\sqrt{s}$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

$\Upsilon$ production in Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP. (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...

Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...

Study of the Weak Charged Hadronic Current in b Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...

Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

Search for Neutral B Meson Decays to Two Charged Leptons (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...

Production of Single W Bosons at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...

Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...

Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between...

Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV $\sqrt{s}$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

$\Upsilon$ production in Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Abstract: Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP. (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...

Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...

Study of the Weak Charged Hadronic Current in b Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...

Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

Search for Neutral B Meson Decays to Two Charged Leptons (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...

Production of Single W Bosons at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...

Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...

Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between...

Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV $\sqrt{s}$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

$\Upsilon$ production in Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched for...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP. (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched for...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV $\sqrt{s}$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP. (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

$\Upsilon$ production in Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

Study of the Weak Charged Hadronic Current in b Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...

Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...

Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...

Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...

Production of Single W Bosons at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Search for Neutral B Meson Decays to Two Charged Leptons (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched for...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV $\sqrt{s}$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP. (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

$\Upsilon$ production in Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

Study of the Weak Charged Hadronic Current in b Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...

Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...

Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...

Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...

Production of Single W Bosons at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Search for Neutral B Meson Decays to Two Charged Leptons (1997)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...

The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...

Search for excited leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 130-140 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

We report on a search for the excited leptons e^*,mu^*,tau^* and nu^* in e+e- collisions at sqrt{s} = 130 - 140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From...

Search for unstable sequential neutral and charged heavy leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 130 GeV and 136 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

A search for unstable sequential neutral and charged heavy leptons has been made at center-of-mass energies 130 and 136 \GeV\ with the L3 detector at LEP. The neutral leptons are assumed to decay via...

Study of the structure of hadronic events and determination of $\alpha_{s}$ at $\sqrt{s}$ = 130 GeV and 136 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb-1...

Search for excited leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 130-140 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

We report on a search for the excited leptons e^*,mu^*,tau^* and nu^* in e+e- collisions at sqrt{s} = 130 - 140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From...

Search for unstable sequential neutral and charged heavy leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 130 GeV and 136 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

A search for unstable sequential neutral and charged heavy leptons has been made at center-of-mass energies 130 and 136 \GeV\ with the L3 detector at LEP. The neutral leptons are assumed to decay via...

Study of the structure of hadronic events and determination of $\alpha_{s}$ at $\sqrt{s}$ = 130 GeV and 136 GeV (1996)

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...

We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb-1...

Umweltgerechte Prozeßgestaltung (1996)

Westkämper, E., Bock, R.

Zunehmende Umweltprobleme und schärfere gesetzliche Vorschriften führen auch bei Fertigungsprozessen zu stärkeren Anforderungen an deren Umweltverträglichkeit. Im Bereich des Schleifens sind die...

Mit spanenden Werkzeugmaschinen umweltverträglich produzieren: Ganzheitliche Fertigung (1996)

Westkämper, E., Bock, R.

Mit dem ökologischen Bewußtsein steigt auch der Stellenwert des Umweltschutzes bei der Produktion. Hinzu kommen strenge Auflagen des Gesetzgebers. Weil Produktion zukünftig nur möglich sein wird,...