The extent and practice of inclusion in independent schools in South Africa (2009)
Walton, E, Nel, N, Hugo, H, Muller, H
In line with international trends in education, South Africa has embraced inclusive education as the means by which learners who experience barriers to learning will be educated. As inclusion is...
P. Devanbu, Y-f. Chen, E. Gansner, H. Muller, J. Martin
Source code browsing is an important part of program comprehension. Browsers expose semantic and syntac-tic relationships (such as between object references and definitions) in GUI-accessible forms....
On stable cutsets in claw-free graphs and planar graphs (2008)
Bang Le, V., Mosca, R., Muller, H.
A stable cutset in a connected graph is a stable set whose deletion disconnects the graph. Let K4 and K1,3 (claw) denote the complete (bipartite) graph on 4 and 1+3 vertices. It is NP-complete to...
Feedback vertex set on AT-free graphs (2008)
Kratsch, D., Muller, H., Todinca, I.
We present a polynomial time algorithm to compute a minimum (weight) feedback vertex set for AT-free graphs, and extending this approach we obtain a polynomial time algorithm for graphs of bounded...
Increasing the Awareness of Daily Activity Levels with Pervasive Computing (2008)
J. Maitl, S. Sherwood, L. Barkhuus, I. Anderson, M. Hall, B. Brown, ...
Abstract—Public health promotion technology should be accessible to the general public at which it is aimed. This paper explores the potential for use of an unaugmented commodity technology—the...
Beam Test of a Superconducting Cavity for the CESR Luminosity Upgrade* (2008)
H. Padamsee, P. Barnes, S. Belomestnykh, K. Berkelman, M. Billing, R. Ehrlich, ...
The prototype superconducting cavity system for CESR-Phase III was tested in CESR in August 1994. The performance of the system was very gratifying. The cavity operated gradients of 4.5-6 MV/m and...
Prospective study on warfarin and regional chemotherapy in patients with pancreatic carcinoma (2008)
Nakchbandi, W., Muller, H., Singer, M. V., Lohr, J. M., Nakchbandi, I. A.
Beam Test of a Superconducting Cavity for the CESR Luminosity Upgrade (2007)
H. Padamsee, P. Barnes, S. Belomestnykh, K. Berkelman, M. Billing, R. Ehrlich, ...
The prototype superconducting cavity system for CESRPhase
J. Knobloch, R. Durand, H. Muller, H. Padamsee
A new high resolution, high speed thermometry system has been built at Cornell to permit the study of anomalous loss regions in 1.5 GHz superconducting Nb cavities in superfluid He. Following a...
Ton Kloks, T. Kloks, Haiko Müller, Dieter Kratsch, H. Muller
. A graph is called a domino if every vertex is contained in at most two maximal cliques. The class of dominoes properly contains the class of line graphs of bipartite graphs, and is in turn properly...
Available in color postscript and pdf format at the LS7 Publications page (2007)
Surface Meshes, Surface Meshes, J. Vollmer, J. Vollmer, R. Mencl, R. Mencl, ...
This paper presents a technique for smoothing polygonal surface meshes that avoids the well-known problem of deformation and shrinkage caused by many smoothing methods, like e.g. the Laplacian...
H. L. Bodlaender, J. S. Deogun, K. Jansen, T. Kloks, D. Kratsch, H. Muller
A vertex (edge) coloring c: V! f1; 2; : : : ; tg (c 0: E! f1; 2; : : : ; tg) of a graph G = (V; E) is a vertex (edge) t-ranking if for any two vertices (edges) of the same color every path between...
Comparison of the Predicted and Measured Loss Factor of the Superconducting (2007)
Cavity Assembly For, S. Belomestnykh, W. Hartung, J. Kirchgessner, D. Moffat, H. Muller, ...
INTRODUCTION Superconducting cavities have been chosen to replace the existing copper cavities for the future upgrade of CESR. The use of superconducting cavity modules, specially designed for a high...
Amgarou, K., Lacoste, V., Muller, H., Fernández, F.
A passive Bonner sphere system (BSS), based on thermal neutron activation detectors, was developed to perform neutron spectrometry in pulsed and very intense (n-γ) fields with predominant photon...
Monte Carlo calculations and validation of a gold foil-based Bonner sphere system (2007)
Fernández, F., Bouassoule, T., Amgarou, K., Domingo, C., Garcia, M. J., Lacoste, V., ...
The Grup de Física de les Radiacions (GFR) of the Universitat Autònoma de Barcelona (UAB), in collaboration with the Institute for Radiological Protection and Nuclear Safety (IRSN), has developed a...
Workplace characterisation in case of rail transport of radioactive materials (2007)
Donadille, L., Itié, C., Lahaye, T., Muller, H., Trompier, F., Bottollier-Depois, J. F.
IRSN has been asked by SNCF (French Railways) to carry out measurements in order to establish the values of ambient dose equivalents H*(10) in the vicinity of shipments of radioactive materials to...
Characterization of neutron field in a NPP workplace (2007)
Breznik, B., Pochat, J. L., Muller, H., Asselineau, B., Pavlin, M.
At the Krško Nuclear Power Plant (NPP), albedo dosimeters are used for personal neutron dosimetry. Spectrometric measurements allow determination of reference dosimetric values of realistic neutron...
Coeck, M., Lacoste, V., Muller, H.
This paper presents the assessment of the neutron field near the VENUS reactor, particularly in areas near the reactor shielding where operators are frequently present during a reactor run. To obtain...
Lacoste, V., Reginatto, M., Asselineau, B., Muller, H.
The Institute for Radiological protection and Nuclear Safety was engaged in the EC funded EVIDOS project to provide reference spectrometry data using its Bonner sphere system. The data were processed...
Lacoste, V., Reginatto, M., Asselineau, B., Muller, H.
The Institute for Radiological protection and Nuclear Safety was engaged in the EC funded EVIDOS project to provide reference spectrometry data using its Bonner sphere system. The data were processed...
Vanhavere, Filip, D'Errico, F., Bolgonese-Milsztajn, T., Bartlett, D., Coeck, Michèle, Boschung, M., ...
EVIDOS is an EC sponsored project that aims at an evaluation and improvement of radiation protection dosimetry in mixed neutron/photon fields. This is a performed trough spectrometric and dosimetric...
Parental investment by skin feeding in a caecilian amphibian (2006)
Kupfer, A, Muller, H, Antoniazzi, MM, Jared, C, Greven, H, Nussbaum, RA, ...
Although the initial growth and development of most multicellular animals depends on the provision of yolk, there are many varied contrivances by which animals provide additional or alternative...
Lahaye, T., Chau, Q., Ménard, S., Lacoste, V., Muller, H., Luszik-Bhadra, M., ...
This paper mainly aims at presenting the measurements and the results obtained with the electronic personal neutron dosemeter Saphydose-N at different facilities. Three campaigns were led in the...
Vanhavere, F., Bartlett, D., Bolognese-Milsztajn, T., Boschung, M., Coeck, M., Curzio, G., ...
EVIDOS is an EC sponsored project that aims at an evaluation and improvement of radiation protection dosimetry in mixed neutron/photon fields. This is performed through spectrometric and dosimetric...
WORKPLACE CHARACTERISATION IN CASE OF RAIL TRANSPORT OF RADIOACTIVE MATERIALS (2006)
Donadille, L., Itié, C., Lahaye, T., Muller, H., Trompier, F., Bottollier-Depois, J. F.
IRSN has been asked by SNCF (French Railways) to carry out measurements in order to establish the values of ambient dose equivalents H*(10) in the vicinity of shipments of radioactive materials to...
Vanhavere, F., Bartlett, D., Bolognese-Milsztajn, T., Boschung, M., Coeck, M., Curzio, G., ...
EVIDOS is an EC sponsored project that aims at an evaluation and improvement of radiation protection dosimetry in mixed neutron/photon fields. This is performed through spectrometric and dosimetric...
Lahaye, T., Chau, Q., Ménard, S., Lacoste, V., Muller, H., Luszik-Bhadra, M., ...
This paper mainly aims at presenting the measurements and the results obtained with the electronic personal neutron dosemeter Saphydose-N at different facilities. Three campaigns were led in the...
Clumeck, N, Pozniak, A, Lazzarin, A, De Meyer, S, Muller, H, ...
Objective: To evaluate antiviral activity, tolerability, and safety of the protease inhibitor (PI) TMC114 boosted with low-dose ritonavir (RTV). Design: A randomized, open-label, controlled, phase...
Carcinogen inducibility in vivo and down-regulation of DMBT1 during breast carcinogenesis (2004)
Mollenhauer, J., Helmke, B., Medina, D., Bergmann, G., Gassler, N., Muller, H., ...
Ambient Wood: Designing New Forms of Digital Augmentation for Learning Outdoors (2004)
Y. Rogers, S. Price, G. Fitzpatrick, R. Fleck, E. Harris, H. Smith, ...
ABSTRACT Two main directions that have been advanced for mobile Ubiquitous and mobile technologies provide opportunities for designing novel learning experiences that move out of the classroom....
Ambient Wood: Designing new forms of digital augmentation for learning outdoors (2004)
Rogers, Y., Price, S., Fitzpatrick, G., Fleck, R., Harris, E., Smith, H., ...
Characterisation of the IRSN graphite moderated Americium-Beryllium neutron field (2004)
Lacoste, V., Gressier, V., Muller, H., Lebreton, L.
The SIGMA facility was set up at IRSN to provide thermal neutrons for metrology and dosimetry purposes. SIGMA consists of six Am–Be radioactive sources located in a 1.5 × 1.5 × 1.5 m3 graphite...
Médioni, R., Asselineau, B., Verrey, B., Trompier, F., Itié, C., Texier, C., ...
In criticality accident dosimetry and more generally for high dose measurements, special techniques are used to measure separately the gamma ray and neutron components of the dose. To improve these...
Asselineau, B., Trompier, F., Texier, C., Itié, C., Médioni, R., Tikunov, D., ...
An international intercomparison of criticality accident dosimetry systems took place in the SILENE reactor, in June 2002. Participants from 60 laboratories irradiated their dosemeters (physical and...
Neutron measurements in the Vandellos II nuclear power plant with a Bonner sphere system (2004)
Fernández, F., Bakali, M., Tomás, M., Muller, H., Pochat, J. L.
In some Spanish nuclear power plants of pressurised water reactor (PWR) type, albedo thermoluminescence dosemeters are used for personal dosimetry while survey meters, based on a thermal-neutron...
Gressier, V., Lacoste, V., Lebreton, L., Muller, H., Pelcot, G., Bakali, M., ...
The new CANEL/T400 facility has been set-up at the Institute for Radiological Protection and Nuclear Safety (IRSN) to produce a realistic neutron field. The accurate characterisation of this...
MITOM: a new unfolding code based on a spectra model method applied to neutron spectrometry (2004)
Tomás, M., Fernández, F., Bakali, M., Muller, H.
The MITOM code was developed at UAB (Universitat Autònoma de Barcelona) for unfolding neutron spectrometric measurements with a Bonner spheres system (BSS). One of the main characteristics of this...
Frequent downregulation of DMBT1 and galectin-3 in epithelial skin cancer (2003)
Mollenauer, J., Deichmann, M., Helmke, B., Muller, H., Kollender, G., Holmskov, U., ...
Actively tracking 'passive' stability in a ball bouncing task (2003)
De Rugy, A, Wei, KL, Muller, H, Sternad, D
This study investigates the control involved in a task where subjects rhythmically bounce a ball with a hand-held racket as regularly as possible to a prescribed amplitude. Stability analyses of a...
Actively tracking 'passive' stability in a ball bouncing task (2003)
De Rugy, A, Wei, KL, Muller, H, Sternad, D
This study investigates the control involved in a task where subjects rhythmically bounce a ball with a hand-held racket as regularly as possible to a prescribed amplitude. Stability analyses of a...
A generalization of AT-free graphs and a generic algorithm for solving triangulation problems (2002)
Things aren't what they seem to be: innovation through technology inspiration (2002)
Rogers, Y., Scaife, M., Harris, E., Phelps, T., Price, S., Smith, H., ...
LHCb online system technical design report: Data acquisition and experiment control (2001)
LHCb Collaboration, Barbosa-Marinho, PR, Bediaga, I, Barbosa, AF, Cernicchiaro, G, De Oliveira, EC, ...
Bub, A., Watzl, B., Delincee, H., Adam, S., Wever, J., Muller, H., ...
Muller, H., Howling, A. A., Hollenstein, C.
Following the analytical description of the collisionless high-voltage capacitive RF sheath in Lieberman (1988) and of the collisional high-voltage capacitive RF sheath in Lieberman (1989),...
A wearable public key infrastructure (WPKI) (2000)
N. P. Smart, N. P. Smart, H. Muller, H. Muller
We describe the design and implementation of public key infrastructure for the Bristol University Cyberjacket and three initial applications. The first one removes the need for the user to remember...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, charged hadrons are identified using the measurement of their energy loss and their Cherenkov angle....
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, charged hadrons are identified using the measurement of their energy loss and their Cherenkov angle....
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, charged hadrons are identified using the measurement of their energy loss and their Cherenkov angle....
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Measurement of the W pair cross-section and of the W mass in e+ e- interactions at 172-GeV (1997)
DELPHI Collaboration, Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, ...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Measurement of the transverse spin correlation in $Z \to \tau^+\tau^-$ decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The measurement of the correlation between the transverse spin components of $\tau^+\tau^-$ pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value \begin{center}...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Measurement of the transverse spin correlation in $Z \to \tau^+\tau^-$ decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The measurement of the correlation between the transverse spin components of $\tau^+\tau^-$ pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value \begin{center}...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Measurement of the transverse spin correlation in $Z \to \tau^+\tau^-$ decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The measurement of the correlation between the transverse spin components of $\tau^+\tau^-$ pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value \begin{center}...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
examination of defects located by thermometry in 1.5 GHz superconducting niobium cavities (1995)
Knobloch Durand Muller, J. Knobloch, R. Dur, H. Muller, H. Padamsee
A new high resolution, high speed thermometry system has been built at Cornell to permit the study of anomalous loss regions in 1.5 GHz superconducting Nb cavities in superfluid He. Following a...
Computing the toughness and the scattering number for interval and other graphs (1994)
Kratsch, Dieter, Klots, T., Muller, H.
Disponible dans les fichiers attachés à ce document
Computing the toughness and the scattering number for interval and other graphs (1994)
Kratsch, Dieter, Klots, T., Muller, H.
Disponible dans les fichiers attachés à ce document
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Computing the Toughness and the Scattering Number for Interval and Other Graphs (1994)
H. Müller, D. Kratsch, D. Kratsch, T. Kloks, T. Kloks, H. Muller
: We show that the scattering number and the toughness of a graph, two graph parameters strongly related to hamiltonian properties of graphs, can be computed in polynomial time on interval graphs,...
Investigating Reverse Engineering Technologies for the CAS Program Understanding Project (1994)
E. Buss, R. De, Mori M. Gentleman, J. Henshaw, H. Johnson, K. Kontogiannis, ...
Corporations face mounting maintenance and re-engineering costs for large legacy systems. Evolving over several years, these systems embody substantial corporate knowledge, including requirements,...
Mary, JL, Bishop, T, Kolodner, R, Lipford, JR, Kane, M, Weber, W, ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
Spatial and Temporal Effects of Spatial Attention on Human Saccadic Eye Movements. (1992)
Crawford, Trevor J., Muller, H.
A spatial cueing paradigm was used to (a) ~vestigate the eflects of attentional orienting on spatial and temporal parameters of saccadic eye movements and (b) examine hypotheses regarding the...
Design and performance of the DELPHI data acquisition system (1992)
Adam, W, Adye, T, Albert, JN, Beneteau, L, Bouquet, B, Buytaert, J, ...
Study of hadronic decays of the ZO boson (1990)
DELPHI Collaboration, Aarnio, PA, Abreu, P, Adam, W, Adami, F, Adrianos, P, ...
Study of the leptonic decays of the ZO Boson (1990)
DELPHI Collaboration, Aarnio, PA, Abreu, P, Adam, W, Adami, F, Adrianos, P, ...
The DELPHI detector at LEP (1990)
DELPHI Collaboration, Aarnio, PA, Abie, H, Abreu, P, Adam, W, Adrianos, P, ...
Kruit, P., Kimman, J., Muller, H., Van Der Wiel, M.J.
In order to perform multi-photon ionization experiments at a particular light intensity, the AC Stark-shift of the xenon 6s level is used as a probe to select that intensity from the range of...
Kruit, P., Kimman, J., Muller, H., Van Der Wiel, M.J.
In order to perform multi-photon ionization experiments at a particular light intensity, the AC Stark-shift of the xenon 6s level is used as a probe to select that intensity from the range of...
Kruit, P., Kimman, J., Muller, H., Van Der Wiel, M.J.
In order to perform multi-photon ionization experiments at a particular light intensity, the AC Stark-shift of the xenon 6s level is used as a probe to select that intensity from the range of...
Thermochromism in a polydiacetylene crystal (1977)
Chance, R.R., Baughman, R.H., Muller, H., Eckhardt, Craig J.
Specular reflection spectra are reported for a thermochromic polydiacetylene crystal, ETCD [substituent group - (CH2)4OCONHC2H5] over the temperature range 23-130°C. A reversible thermochromic...
Piezomodulated and specular reflection spectra of a polydiacetylene crystal (1976)
Eckhardt, Craig J., Muller, H., Tylicki, J., Chance, R.R.
A class of potential quasi-one-dimensional organic conductors is the monocrystalline polydiacetylenes. These polymers can be obtained as single crystals that have high structural perfection and a...
A NADH-dependent transketolase assay in erythrocyte hemolysates (1971)
simple and specific method for the assay of transketolase activity in erythrocyte hemolysates based on the measurement of NADH consumption is described. The test conditions are discussed and the...
Beam Test of a Superconducting Cavity for the CESR Luminosity Upgrade *
Padamsee Barnes Belomestnykh, H. Padamsee, P. Barnes, S. Belomestnykh, K. Berkelman, M. Billing, ...
The prototype superconducting cavity system for CESRPhase III was tested in CESR in August 1994. The performance of the system was very gratifying. The cavity operated gradients of 4.5-6 MV/m and...