K. Piotrzkowski

Details der Publikationsliste

Zeitraum

1992 - 2009

Anzahl

386

Co-Autoren

Two-photon exclusive production of supersymmetric pairs at the LHC (2009)

Piotrzkowski, K., Schul, N.

The two-photon exclusive production of charged supersymmetric pairs at the LHC has a clean and unique signature - two very forward scattered protons and two opposite charged leptons produced...

High energy photon interactions at the LHC (2009)

Lemaitre, V., Liu, Y., Ovyn, S., Pierzchala, T., Piotrzkowski, K., ...

Experimental prospects for studying high-energy photon-photon and photon-proton interactions at the CERN Large Hadron Collider (LHC) are discussed. Cross sections are calculated for many electroweak...

Performance studies of the CMS Strip Tracker before installation (2009)

Adam, W, Bergauer, T, Dragicevic, M, Friedl, M, Frühwirth, R, Hansel, S, ...

In March 2007 the assembly of the Silicon Strip Tracker was completed at the Tracker Integration Facility at CERN. Nearly 15% of the detector was instrumented using cables, fiber optics, power...

As an Introduction: Quest for New Physics in Photon-Photon Interactions at the LHC (2008)

Piotrzkowski, K.

A significant fraction of pp collisions at the LHC will involve (quasi-real) photon interactions occurring at energies well beyond the electroweak energy scale. Hence, the LHC can to some extend be...

Detection of two-photon exclusive production of supersymmetric pairs at the LHC (2008)

Schul, N., Piotrzkowski, K.

The detection of pairs of sleptons, charginos and charged higgs bosons produced via photon-photon fusion at the LHC is studied, assuming a couple of benchmark points of the MSSM model. Due to low...

The FP420 R&D Project: Higgs and New Physics with forward protons at the LHC (2008)

Albrow, M. G., Appleby, R. B., Arneodo, M., Atoian, G., Azhgirey, I. L., Barlow, R., ...

We present the FP420 R&D project, which has been studying the key aspects of the development and installation of a silicon tracker and fast-timing detectors in the LHC tunnel at 420 m from the...

Hector, a fast simulator for the transport of particles in beamlines (2007)

Rouby, X., Piotrzkowski, K.

Computing the trajectories of particles in generic beamlines is an important ingredient of experimental particle physics, in particular regarding near-beam detectors. A new tool, Hector, has been...

GASTOF: Ultra-fast ToF forward detector for exclusive processes at the LHC (2007)

Bonnet, L., Pierzchala, T., Piotrzkowski, K., Rodeghiero, P.

GASTOF (Gas Time-of-Flight) detector is a Cherenkov detector proposed for very precise (10--20 ps) arrival time measurements of forward protons at some 420 m from the central detectors of CMS and...

Photoproduction at collider energies: from RHIC and HERA to the LHC (2007)

Baltz, A, Baur, G, Brodsky, S J, D'Enterria, D G, Dreyer, U, Engel, R, ...

We present the mini-proceedings of the workshop on "Photoproduction at collider energies: from RHIC and HERA to the LHC" held at the European Centre for Theoretical Studies in Nuclear Physics and...

Photoproduction at collider energies: from RHIC and HERA to the LHC (2007)

Baltz, A., Baur, G., Brodsky, S. J., D'Enterria, David, Dreyer, U., Engel, R., ...

We present the mini-proceedings of the workshop on ``Photoproduction at collider energies: from RHIC and HERA to the LHC'' held at the European Centre for Theoretical Studies in Nuclear Physics and...

Photoproduction of events with rapidity gaps between jets at HERA (2007)

Chekanov, S., Derrick, M., Magill, S., Miglioranzi, S., Musgrave, B., Nicholass, D., ...

The photoproduction of dijet events, where the two jets with the highest transverse energy are separated by a large gap in pseudorapidity, have been studied with the ZEUS detector using an integrated...

Axion beams at HERA? (2007)

Piotrzkowski, K.

If the recently observed anomaly in the PVLAS experiment is due to the axion, then the powerful beams of synchrotron photons, propagating through high magnetic field of the HERA beamline, become...

CMS physics technical design report, volume II: Physics performance (2007)

Bayatian, G. L., Chatrchyan, S., Hmayakyan, G., Sirunyan, A. M., Adam, W., Bergauer, T., ...

CMS is a general purpose experiment, designed to study the physics of pp collisions at 14 TeV at the Large Hadron Collider ( LHC). It currently involves more than 2000 physicists from more than 150...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

The effect of highly ionising particles on the CMS silicon strip tracker (2005)

Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...

Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...

The effect of highly ionising particles on the CMS silicon strip tracker (2005)

Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...

Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...

The effect of highly ionising particles on the CMS silicon strip tracker (2005)

Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...

Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...

The effect of highly ionising particles on the CMS silicon strip tracker (2005)

Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...

Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...

Substructure dependence of jet cross sections at HERA and determination of alpha(S) (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

Jet substructure and differential cross sections for jets produced in the photoproduction and deep inelastic ep scattering regimes have been measured with the ZEUS detector at HERA using an...

Observation of isolated high-E-T photons in deep inelastic scattering (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

First measurements of cross sections for isolated prompt photon production in deep inelastic ep scattering have been made using the ZEUS detector at the HERA electron-proton collider using an...

The dependence of dijet production on photon virtuality in ep collisions at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The dependence of dijet production on the virtuality of the exchanged photon, Q(2), has been studied by measuring dijet cross sections in the range 0 less than or similar to Q(2) lt 2000 GeV2 with...

Evidence for a narrow baryonic state decaying to K0s-p and K0s-pbar in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

A resonance search has been made in the K(S)(0)p and K-S(0)(p) over bar invariant-mass spectrum measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The search was...

Photoproduction of D*(+/-) mesons associated with a leading neutron (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of D*(+/-)(2010) mesons associated with a leading neutron has been observed with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 80 pb(-1). The...

Search for QCD-instanton induced events in deep inelastic ep scattering at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for QCD-instanton-induced events in deep inelastic ep scattering has been performed with the ZEUS detector at the HERA collider, using data corresponding to an integrated luminosity of 38...

Isolated tau leptons in events with large missing transverse momentum at HERA (2004)

Chekanov, S., Derrick, A., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the electron-proton...

Bose-Einstein correlations in one and two dimensions in deep inelastic scattering (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The...

Search for contact interactions, large extra dimensions and finite quark radius in ep collisions at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for physics beyond the Standard Model has been performed with high-Q(2) neutral current deep inelastic scattering events recorded with the ZEUS detector at HERA. Two data sets, e(+) p →...

Observation of (KsKs0)-K-0 resonances in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive (KSKS0)-K-0 production in deep inelastic ep scattering at HERA has been studied with the ZEUS detector using an integrated luminosity of 120 pb(-1). Two states are observed at masses of...

High-Q(2) neutral current cross sections in e(+)p deep inelastic scattering at root s=318 GeV (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Cross sections for e(+)p neutral current deep inelastic scattering have been measured at a center-of-mass energy of roots=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2...

Exclusive electroproduction of J/psi mesons at HERA (2004)

Chekanov, S., Derrick, A., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The exclusive electroproduction of J/psi mesons, ep → epJ/psi, has been studied with the ZEUS detector at HERA for virtualities of the exchanged photon in the ranges 0.15 lt Q(2) lt 0.8 GeV2 and 2...

Bottom photoproduction measured using decays into muons in dijet events in ep collisions at root s=318 GeV (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of bottom quarks in events with two jets and a muon has been measured with the ZEUS detector at HERA using an integrated luminosity of 110 pb(-1). The fraction of jets containing...

Measurement of Dstar(+/-) production in deep inelastic e(+/-)p scattering at DESY HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive production of Dstar(+/-) (2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at DESY HERA using an integrated luminosity of 81.9 pb-1. The decay channel...

Low-temperature tracking detectors (2004)

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Measurement of beauty production in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The beauty production cross section for deep inelastic scattering events with at least one hard jet in the Breit frame together with a union has been measured, for photon virtualities Q(2) gt 2 GeV2,...

Dijet angular distributions in photoproduction of charm at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Dijet angular distributions of photoproduction events in which a D/sup *+or-/ meson is produced in association with one of two energetic jets have been measured with the ZEUS detector at HERA, using...

Search for single-top production in ep collisions at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for single-top production, ep to et X, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb/sup -1/. Events from both the leptonic and hadronic decay...

ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Next-to-leading-order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target data have been performed, from which the gluon and quark densities of the proton and the...

Jet production in charged current deep inelastic e+p scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The production rates and substructure of jets have been studied in charged current deep inelastic e(+)p scattering for Q(2) gt 200 GeV2 with the ZEUS detector at HERA using an integrated luminosity...

Measurement of deeply virtual Compton scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The cross-section for deeply virtual Compton scattering in the reaction ep → egammap has been measured with the ZEUS detector at HERA using integrated luminosities of 95.0 pb(-1) of e(+) p and 16.7...

Measurement of high-Q2 charged current cross sections in e+ p deep inelastic scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Cross sections for e (+) p charged current deep inelastic scattering at a centre-of-mass energy of 318 [LF]GeV have bee n determined with an integrated luminosity of 60.9 pb(-1) collected with the...

Measurement of high-Q e(-)p neutral current cross sections at HERA and the extraction of xF3 (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Cross sections for e(-)p neutral current deep inelastic scattering have been measured at a centre-of-mass energy of 318 GeV using an integrated luminosity of 15.9 pb(-1) collected with the ZEUS...

Measurement of proton-dissociative diffractive photoproduction of vector mesons at large momentum transfer at HERA (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Diffractive photoproduction of vector mesons, gammap → VY, where Y is a proton-dissociative system, has been measured in e(+)p interactions with the ZEUS detector at HERA using an integrated...

Measurement of the open-charm contribution to the diffractive proton structure function (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were...

Search for resonance decays to lepton plus jet at DESY HERA and limits on leptoquarks (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for narrow-width resonances that decay into electron+jet or neutrino+jet has been performed with the ZEUS detector at the DESY ep collider HERA operating at center-of- mass energies of 300...

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles (2003)

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

Hot Topics in Ultra-Peripheral Collisions (2002)

Baur, G., Bertulani, C. A., Chiu, M., Ginzburg, I. F., Hencken, K., Klein, S. R., ...

Ultra-peripheral collisions of relativistic heavy ions involve long-ranged electromagnetic interactions at impact parameters too large for hadronic interactions to occur. The nuclear charges are...

High Energy Two-Photon Interactions at the LHC (2002)

Piotrzkowski, K.

Two-photon events at the LHC are characterized by the protons scattered at very small angles and the particles centrally produced via the photon-photon fusion. To select these events from the huge...

Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alphas (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Inclusive jet differential cross sections have been measured in neutral current deep inelastic e(+)p scattering for boson virtualities Q(2) gt 125 GeV2. The data were taken using the ZEUS detector at...

Measurement of dijet cross sections for events with a leading neutron in photoproduction at HERA (2001)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Differential cross sections for dijet photoproduction in association with a leading neutron using the reaction e/sup +/+p to e/sup +/+n+jet+jet+X/sub r/ have been measured with the ZEUS detector at...

Measurement of open beauty production in photoproduction at HERA (2001)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production and semi-leptonic decay of heavy quarks have been studied in the photoproduction process e/sup +/p to e/sup +/+dijet+e/sup -/+X with the ZEUS detector at HERA using an integrated...

A search for resonance decays to antineutrino-jet in e^+p scattering at HERA (2001)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A study of the [([nu])over bar]-jet mass spectrum in e(+) p→[([nu])over bar]X events at a center-of-mass energy 300 GeV has been performed with the ZEUS detector at the HERA collider at DESY using...

Tagging two-photon production at the CERN Large Hadron Collider (2000)

Piotrzkowski, K

Tagging two-photon interactions offers a significant extension of the CERN LHC physics program. The effective luminosity of high-energy gamma gamma collisions reaches 1% of the proton-proton...

Tagging Two-Photon Production at the LHC (2000)

Piotrzkowski, K.

Tagging two-photon production offers a significant extension of the LHC physics programme. Effective luminosity of high-energy gamma-gamma collisions reaches 1% of the proton-proton luminosity and...

Measurement of exclusive omega electroproduction at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The exclusive electroproduction of omega mesons, ep to e omega p, has been studied in the kinematic range 3 lt Q/sup 2/ lt 20 GeV/sup 2/, 40 lt W lt 120 GeV and |t| lt 0.6 GeV/sup 2/ with the ZEUS...

Measurement of azimuthal asymmetries in deep inelastic scattering (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The distribution of the azimuthal angle for the charged hadrons has been studied in the hadronic centre-of-mass system for neutral current deep inelastic positron-proton scattering with the ZEUS...

Measurement of diffractive photoproduction of vector mesons at large momentum transfer at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Elastic and proton-dissociative photoproduction of rho /sup 0/, phi and J/ psi vector mesons ( gamma p to Vp, gamma p to VN, respectively) have been measured in e/sup +/p interactions at HERA up to...

Angular and current-target correlations in deep inelastic scattering at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Correlations between charged particles in deep inelastic e/sup +/p scattering have been studied in the Breit frame with the ZEUS detector at HERA using an integrated luminosity of 6.4 pb/sup -1/....

Measurement of inclusive prompt photon photoproduction at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb/sup -1/. Cross...

W production and the search for events with an isolated high-energy lepton and missing transverse momentum at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgave, B., ...

A search for the leptonic decays of W bosons produced in the reaction e/sup +/p to e/sup +/W/sup +or-/X at a centre-of-mass energy of 300 GeV has been performed with the ZEUS detector at HERA using...

Measurement of D*(+/-) production and the charm contribution to F-2 in deep inelastic scattering at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production of D*(+/-)(2010) mesons in deep inelastic scattering has been measured in the ZEUS detector at HERA using an integrated luminosity of 37 pb(-1). The decay channels D*(+) → D(0)pi(+)...

Measurement of inclusive (D-s(+/-)) photoproduction at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The first measurement of inclusive D-s(+/-) photoproduction at HERA has been performed with the ZEUS detector for photon- proton centre-of-mass energies; 130 lt W lt 280 GeV The measured cross...

Measurement of the E-T(2),jet/Q(2) dependence of forward-jet production at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The forward-jet cross section in deep inelastic e(+)p scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb(-1). The jet cross section is presented as...

Measurement of the proton structure function F-2 at very low Q(2) at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A measurement of the proton structure function F-2(x, Q(2)) is presented in the kinematic range 0.045 GeV2 lt Q(2) lt 0.65 GeV2 and 6 . 10(-7) lt x lt 1 . 10(-3). The results were obtained using a...

Measurement of the spin-density matrix elements in exclusive electroproduction of rho(0) mesons at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Exclusive electroproduction of rho(o) mesons has been measured using the ZEUS detector at HERA in two Q(2) ranges, 0.25 lt Q(2) lt 0.85 GeV2 and 3 lt Q(2) lt 30 GeV2. The low-Q(2) data span the range...

Search for contact interactions in deep inelastic e(+)p → e(+)X scattering at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

In a search for signatures of physics processes beyond the Standard Model, various eeqq vector contact-interaction hypotheses have been tested using the high-Q(2) deep inelastic neutral-current e(+)p...

Search for resonances decaying to e(+)-jet in e(+)p interactions at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)-jet invariant mass spectrum produced in the reaction e(+)p → e(+)X has been studied at a center-of-mass energy of 300 GeV. The data were collected. using the ZEUS detector operating at the...

The Q(2) dependence of dijet cross sections in gamma p interactions at HERA (2000)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The dependence of the photon structure on the photon virtuality, Q(2), is studied by measuring the reaction e(+) p - → e(+) + jet + jet + X at photon-proton centre-of-mass energies 134 lt W lt 223...

Measurement of high-Q(2) neutral-current e(+)p deep inelastic scattering cross-sections at HERA (1999)

Breitweg, J., Chekanov, S., Derrick, R., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)p neutral-current deep inelastic scattering differential cross-sections d sigma/dQ(2), for Q(2) gt 400 GeV2, d sigma/dx and d sigma/dy, for Q(2) gt 400, 2500 and 10000 GeV2, have been...

Summary of the Diffractive Working Group at DIS98 (1998)

Goussiou, A., McDermott, M., Nikolaev, N. N., Roosen, R., Piotrzkowski, K.

Recent experimental and theoretical developments in the understanding of high energy diffraction, presented in the working group on diffraction at DIS98 in Brussels, are summarised. A template,...

Measurement of the Longitudinal Polarization of the HERA Electron Beam Using Crystals and the ZEUS Luminosity Monitor (1995)

Piotrzkowski, K.

A measurement of the longitudinal polarization of the electron beam at HERA utilizing coherent interactions of high energy photons in crystals is proposed. Modification of existing facilities would...

Exclusive $\varrho^{0}$ production in deep inelastic electron-proton scattering at HERA (1995)

Derrick, Malcolm, Krakauer, D A, Magill, S, Mikunas, D, Musgrave, B, Repond, J, ...

Inclusive jet cross sections for events with a large rapidity gap with respect to the proton direction from the reaction ep \rightarrow jet \; + \; X with quasi-real photons have been measured with...

Substructure dependence of jet cross sections at HERA and determination of alpha(S)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

Jet substructure and differential cross sections for jets produced in the photoproduction and deep inelastic ep scattering regimes have been measured with the ZEUS detector at HERA using an...

Observation of isolated high-E-T photons in deep inelastic scattering

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

First measurements of cross sections for isolated prompt photon production in deep inelastic ep scattering have been made using the ZEUS detector at the HERA electron-proton collider using an...

The dependence of dijet production on photon virtuality in ep collisions at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The dependence of dijet production on the virtuality of the exchanged photon, Q(2), has been studied by measuring dijet cross sections in the range 0 less than or similar to Q(2) lt 2000 GeV2 with...

Evidence for a narrow baryonic state decaying to K0s-p and K0s-pbar in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

A resonance search has been made in the K(S)(0)p and K-S(0)(p) over bar invariant-mass spectrum measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The search was...

Photoproduction of D*(+/-) mesons associated with a leading neutron

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of D*(+/-)(2010) mesons associated with a leading neutron has been observed with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 80 pb(-1). The...

Search for QCD-instanton induced events in deep inelastic ep scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for QCD-instanton-induced events in deep inelastic ep scattering has been performed with the ZEUS detector at the HERA collider, using data corresponding to an integrated luminosity of 38...

Isolated tau leptons in events with large missing transverse momentum at HERA

Chekanov, S., Derrick, A., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the electron-proton...

Bose-Einstein correlations in one and two dimensions in deep inelastic scattering

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The...

Search for contact interactions, large extra dimensions and finite quark radius in ep collisions at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for physics beyond the Standard Model has been performed with high-Q(2) neutral current deep inelastic scattering events recorded with the ZEUS detector at HERA. Two data sets, e(+) p →...

Observation of (KsKs0)-K-0 resonances in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive (KSKS0)-K-0 production in deep inelastic ep scattering at HERA has been studied with the ZEUS detector using an integrated luminosity of 120 pb(-1). Two states are observed at masses of...

Angular and current-target correlations in deep inelastic scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Correlations between charged particles in deep inelastic e/sup +/p scattering have been studied in the Breit frame with the ZEUS detector at HERA using an integrated luminosity of 6.4 pb/sup -1/....

Measurement of azimuthal asymmetries in deep inelastic scattering

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The distribution of the azimuthal angle for the charged hadrons has been studied in the hadronic centre-of-mass system for neutral current deep inelastic positron-proton scattering with the ZEUS...

Measurement of D*(+/-) production and the charm contribution to F-2 in deep inelastic scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production of D*(+/-)(2010) mesons in deep inelastic scattering has been measured in the ZEUS detector at HERA using an integrated luminosity of 37 pb(-1). The decay channels D*(+) → D(0)pi(+)...

Measurement of diffractive photoproduction of vector mesons at large momentum transfer at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Elastic and proton-dissociative photoproduction of rho /sup 0/, phi and J/ psi vector mesons ( gamma p to Vp, gamma p to VN, respectively) have been measured in e/sup +/p interactions at HERA up to...

Measurement of dijet cross sections for events with a leading neutron in photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Differential cross sections for dijet photoproduction in association with a leading neutron using the reaction e/sup +/+p to e/sup +/+n+jet+jet+X/sub r/ have been measured with the ZEUS detector at...

Measurement of exclusive omega electroproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The exclusive electroproduction of omega mesons, ep to e omega p, has been studied in the kinematic range 3 lt Q/sup 2/ lt 20 GeV/sup 2/, 40 lt W lt 120 GeV and |t| lt 0.6 GeV/sup 2/ with the ZEUS...

Measurement of high-Q(2) neutral-current e(+)p deep inelastic scattering cross-sections at HERA

Breitweg, J., Chekanov, S., Derrick, R., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)p neutral-current deep inelastic scattering differential cross-sections d sigma/dQ(2), for Q(2) gt 400 GeV2, d sigma/dx and d sigma/dy, for Q(2) gt 400, 2500 and 10000 GeV2, have been...

Measurement of inclusive prompt photon photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb/sup -1/. Cross...

Measurement of inclusive (D-s(+/-)) photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The first measurement of inclusive D-s(+/-) photoproduction at HERA has been performed with the ZEUS detector for photon- proton centre-of-mass energies; 130 lt W lt 280 GeV The measured cross...

Measurement of open beauty production in photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production and semi-leptonic decay of heavy quarks have been studied in the photoproduction process e/sup +/p to e/sup +/+dijet+e/sup -/+X with the ZEUS detector at HERA using an integrated...

Measurement of the E-T(2),jet/Q(2) dependence of forward-jet production at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The forward-jet cross section in deep inelastic e(+)p scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb(-1). The jet cross section is presented as...

Measurement of the proton structure function F-2 at very low Q(2) at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A measurement of the proton structure function F-2(x, Q(2)) is presented in the kinematic range 0.045 GeV2 lt Q(2) lt 0.65 GeV2 and 6 . 10(-7) lt x lt 1 . 10(-3). The results were obtained using a...

Measurement of the spin-density matrix elements in exclusive electroproduction of rho(0) mesons at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Exclusive electroproduction of rho(o) mesons has been measured using the ZEUS detector at HERA in two Q(2) ranges, 0.25 lt Q(2) lt 0.85 GeV2 and 3 lt Q(2) lt 30 GeV2. The low-Q(2) data span the range...

Search for contact interactions in deep inelastic e(+)p → e(+)X scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

In a search for signatures of physics processes beyond the Standard Model, various eeqq vector contact-interaction hypotheses have been tested using the high-Q(2) deep inelastic neutral-current e(+)p...

A search for resonance decays to antineutrino-jet in e^+p scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A study of the [([nu])over bar]-jet mass spectrum in e(+) p→[([nu])over bar]X events at a center-of-mass energy 300 GeV has been performed with the ZEUS detector at the HERA collider at DESY using...

Search for resonances decaying to e(+)-jet in e(+)p interactions at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)-jet invariant mass spectrum produced in the reaction e(+)p → e(+)X has been studied at a center-of-mass energy of 300 GeV. The data were collected. using the ZEUS detector operating at the...

The Q(2) dependence of dijet cross sections in gamma p interactions at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The dependence of the photon structure on the photon virtuality, Q(2), is studied by measuring the reaction e(+) p - → e(+) + jet + jet + X at photon-proton centre-of-mass energies 134 lt W lt 223...

W production and the search for events with an isolated high-energy lepton and missing transverse momentum at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgave, B., ...

A search for the leptonic decays of W bosons produced in the reaction e/sup +/p to e/sup +/W/sup +or-/X at a centre-of-mass energy of 300 GeV has been performed with the ZEUS detector at HERA using...

Dijet angular distributions in photoproduction of charm at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Dijet angular distributions of photoproduction events in which a D/sup *+or-/ meson is produced in association with one of two energetic jets have been measured with the ZEUS detector at HERA, using...

Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alphas

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Inclusive jet differential cross sections have been measured in neutral current deep inelastic e(+)p scattering for boson virtualities Q(2) gt 125 GeV2. The data were taken using the ZEUS detector at...

Jet production in charged current deep inelastic e+p scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The production rates and substructure of jets have been studied in charged current deep inelastic e(+)p scattering for Q(2) gt 200 GeV2 with the ZEUS detector at HERA using an integrated luminosity...

Measurement of deeply virtual Compton scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The cross-section for deeply virtual Compton scattering in the reaction ep → egammap has been measured with the ZEUS detector at HERA using integrated luminosities of 95.0 pb(-1) of e(+) p and 16.7...

Measurement of high-Q2 charged current cross sections in e+ p deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Cross sections for e (+) p charged current deep inelastic scattering at a centre-of-mass energy of 318 [LF]GeV have bee n determined with an integrated luminosity of 60.9 pb(-1) collected with the...

Measurement of high-Q e(-)p neutral current cross sections at HERA and the extraction of xF3

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Cross sections for e(-)p neutral current deep inelastic scattering have been measured at a centre-of-mass energy of 318 GeV using an integrated luminosity of 15.9 pb(-1) collected with the ZEUS...

Measurement of proton-dissociative diffractive photoproduction of vector mesons at large momentum transfer at HERA

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Diffractive photoproduction of vector mesons, gammap → VY, where Y is a proton-dissociative system, has been measured in e(+)p interactions with the ZEUS detector at HERA using an integrated...

Measurement of the open-charm contribution to the diffractive proton structure function

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were...

Search for resonance decays to lepton plus jet at DESY HERA and limits on leptoquarks

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for narrow-width resonances that decay into electron+jet or neutrino+jet has been performed with the ZEUS detector at the DESY ep collider HERA operating at center-of- mass energies of 300...

Search for single-top production in ep collisions at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for single-top production, ep to et X, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb/sup -1/. Events from both the leptonic and hadronic decay...

ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Next-to-leading-order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target data have been performed, from which the gluon and quark densities of the proton and the...

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

High-Q(2) neutral current cross sections in e(+)p deep inelastic scattering at root s=318 GeV

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Cross sections for e(+)p neutral current deep inelastic scattering have been measured at a center-of-mass energy of roots=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2...

Exclusive electroproduction of J/psi mesons at HERA

Chekanov, S., Derrick, A., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The exclusive electroproduction of J/psi mesons, ep → epJ/psi, has been studied with the ZEUS detector at HERA for virtualities of the exchanged photon in the ranges 0.15 lt Q(2) lt 0.8 GeV2 and 2...

Bottom photoproduction measured using decays into muons in dijet events in ep collisions at root s=318 GeV

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of bottom quarks in events with two jets and a muon has been measured with the ZEUS detector at HERA using an integrated luminosity of 110 pb(-1). The fraction of jets containing...

Measurement of Dstar(+/-) production in deep inelastic e(+/-)p scattering at DESY HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive production of Dstar(+/-) (2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at DESY HERA using an integrated luminosity of 81.9 pb-1. The decay channel...

Low-temperature tracking detectors

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Measurement of beauty production in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The beauty production cross section for deep inelastic scattering events with at least one hard jet in the Breit frame together with a union has been measured, for photon virtualities Q(2) gt 2 GeV2,...

Substructure dependence of jet cross sections at HERA and determination of alpha(S)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

Jet substructure and differential cross sections for jets produced in the photoproduction and deep inelastic ep scattering regimes have been measured with the ZEUS detector at HERA using an...

Observation of isolated high-E-T photons in deep inelastic scattering

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

First measurements of cross sections for isolated prompt photon production in deep inelastic ep scattering have been made using the ZEUS detector at the HERA electron-proton collider using an...

The dependence of dijet production on photon virtuality in ep collisions at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The dependence of dijet production on the virtuality of the exchanged photon, Q(2), has been studied by measuring dijet cross sections in the range 0 less than or similar to Q(2) lt 2000 GeV2 with...

Evidence for a narrow baryonic state decaying to K0s-p and K0s-pbar in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

A resonance search has been made in the K(S)(0)p and K-S(0)(p) over bar invariant-mass spectrum measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The search was...

Photoproduction of D*(+/-) mesons associated with a leading neutron

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of D*(+/-)(2010) mesons associated with a leading neutron has been observed with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 80 pb(-1). The...

Search for QCD-instanton induced events in deep inelastic ep scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for QCD-instanton-induced events in deep inelastic ep scattering has been performed with the ZEUS detector at the HERA collider, using data corresponding to an integrated luminosity of 38...

Isolated tau leptons in events with large missing transverse momentum at HERA

Chekanov, S., Derrick, A., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the electron-proton...

Bose-Einstein correlations in one and two dimensions in deep inelastic scattering

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The...

Search for contact interactions, large extra dimensions and finite quark radius in ep collisions at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for physics beyond the Standard Model has been performed with high-Q(2) neutral current deep inelastic scattering events recorded with the ZEUS detector at HERA. Two data sets, e(+) p →...

Observation of (KsKs0)-K-0 resonances in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive (KSKS0)-K-0 production in deep inelastic ep scattering at HERA has been studied with the ZEUS detector using an integrated luminosity of 120 pb(-1). Two states are observed at masses of...

Angular and current-target correlations in deep inelastic scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Correlations between charged particles in deep inelastic e/sup +/p scattering have been studied in the Breit frame with the ZEUS detector at HERA using an integrated luminosity of 6.4 pb/sup -1/....

Measurement of azimuthal asymmetries in deep inelastic scattering

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The distribution of the azimuthal angle for the charged hadrons has been studied in the hadronic centre-of-mass system for neutral current deep inelastic positron-proton scattering with the ZEUS...

Measurement of D*(+/-) production and the charm contribution to F-2 in deep inelastic scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production of D*(+/-)(2010) mesons in deep inelastic scattering has been measured in the ZEUS detector at HERA using an integrated luminosity of 37 pb(-1). The decay channels D*(+) → D(0)pi(+)...

Measurement of diffractive photoproduction of vector mesons at large momentum transfer at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Elastic and proton-dissociative photoproduction of rho /sup 0/, phi and J/ psi vector mesons ( gamma p to Vp, gamma p to VN, respectively) have been measured in e/sup +/p interactions at HERA up to...

Measurement of dijet cross sections for events with a leading neutron in photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Differential cross sections for dijet photoproduction in association with a leading neutron using the reaction e/sup +/+p to e/sup +/+n+jet+jet+X/sub r/ have been measured with the ZEUS detector at...

Measurement of exclusive omega electroproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The exclusive electroproduction of omega mesons, ep to e omega p, has been studied in the kinematic range 3 lt Q/sup 2/ lt 20 GeV/sup 2/, 40 lt W lt 120 GeV and |t| lt 0.6 GeV/sup 2/ with the ZEUS...

Measurement of high-Q(2) neutral-current e(+)p deep inelastic scattering cross-sections at HERA

Breitweg, J., Chekanov, S., Derrick, R., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)p neutral-current deep inelastic scattering differential cross-sections d sigma/dQ(2), for Q(2) gt 400 GeV2, d sigma/dx and d sigma/dy, for Q(2) gt 400, 2500 and 10000 GeV2, have been...

Measurement of inclusive prompt photon photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb/sup -1/. Cross...

Measurement of inclusive (D-s(+/-)) photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The first measurement of inclusive D-s(+/-) photoproduction at HERA has been performed with the ZEUS detector for photon- proton centre-of-mass energies; 130 lt W lt 280 GeV The measured cross...

Measurement of open beauty production in photoproduction at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production and semi-leptonic decay of heavy quarks have been studied in the photoproduction process e/sup +/p to e/sup +/+dijet+e/sup -/+X with the ZEUS detector at HERA using an integrated...

Measurement of the E-T(2),jet/Q(2) dependence of forward-jet production at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The forward-jet cross section in deep inelastic e(+)p scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb(-1). The jet cross section is presented as...

Measurement of the proton structure function F-2 at very low Q(2) at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A measurement of the proton structure function F-2(x, Q(2)) is presented in the kinematic range 0.045 GeV2 lt Q(2) lt 0.65 GeV2 and 6 . 10(-7) lt x lt 1 . 10(-3). The results were obtained using a...

Measurement of the spin-density matrix elements in exclusive electroproduction of rho(0) mesons at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Exclusive electroproduction of rho(o) mesons has been measured using the ZEUS detector at HERA in two Q(2) ranges, 0.25 lt Q(2) lt 0.85 GeV2 and 3 lt Q(2) lt 30 GeV2. The low-Q(2) data span the range...

Search for contact interactions in deep inelastic e(+)p → e(+)X scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

In a search for signatures of physics processes beyond the Standard Model, various eeqq vector contact-interaction hypotheses have been tested using the high-Q(2) deep inelastic neutral-current e(+)p...

A search for resonance decays to antineutrino-jet in e^+p scattering at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

A study of the [([nu])over bar]-jet mass spectrum in e(+) p→[([nu])over bar]X events at a center-of-mass energy 300 GeV has been performed with the ZEUS detector at the HERA collider at DESY using...

Search for resonances decaying to e(+)-jet in e(+)p interactions at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The e(+)-jet invariant mass spectrum produced in the reaction e(+)p → e(+)X has been studied at a center-of-mass energy of 300 GeV. The data were collected. using the ZEUS detector operating at the...

The Q(2) dependence of dijet cross sections in gamma p interactions at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The dependence of the photon structure on the photon virtuality, Q(2), is studied by measuring the reaction e(+) p - → e(+) + jet + jet + X at photon-proton centre-of-mass energies 134 lt W lt 223...

W production and the search for events with an isolated high-energy lepton and missing transverse momentum at HERA

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgave, B., ...

A search for the leptonic decays of W bosons produced in the reaction e/sup +/p to e/sup +/W/sup +or-/X at a centre-of-mass energy of 300 GeV has been performed with the ZEUS detector at HERA using...

Dijet angular distributions in photoproduction of charm at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Dijet angular distributions of photoproduction events in which a D/sup *+or-/ meson is produced in association with one of two energetic jets have been measured with the ZEUS detector at HERA, using...

Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alphas

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Inclusive jet differential cross sections have been measured in neutral current deep inelastic e(+)p scattering for boson virtualities Q(2) gt 125 GeV2. The data were taken using the ZEUS detector at...

Jet production in charged current deep inelastic e+p scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The production rates and substructure of jets have been studied in charged current deep inelastic e(+)p scattering for Q(2) gt 200 GeV2 with the ZEUS detector at HERA using an integrated luminosity...

Measurement of deeply virtual Compton scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The cross-section for deeply virtual Compton scattering in the reaction ep → egammap has been measured with the ZEUS detector at HERA using integrated luminosities of 95.0 pb(-1) of e(+) p and 16.7...

Measurement of high-Q2 charged current cross sections in e+ p deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Cross sections for e (+) p charged current deep inelastic scattering at a centre-of-mass energy of 318 [LF]GeV have bee n determined with an integrated luminosity of 60.9 pb(-1) collected with the...

Measurement of high-Q e(-)p neutral current cross sections at HERA and the extraction of xF3

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Cross sections for e(-)p neutral current deep inelastic scattering have been measured at a centre-of-mass energy of 318 GeV using an integrated luminosity of 15.9 pb(-1) collected with the ZEUS...

Measurement of proton-dissociative diffractive photoproduction of vector mesons at large momentum transfer at HERA

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Diffractive photoproduction of vector mesons, gammap → VY, where Y is a proton-dissociative system, has been measured in e(+)p interactions with the ZEUS detector at HERA using an integrated...

Measurement of the open-charm contribution to the diffractive proton structure function

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were...

Search for resonance decays to lepton plus jet at DESY HERA and limits on leptoquarks

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for narrow-width resonances that decay into electron+jet or neutrino+jet has been performed with the ZEUS detector at the DESY ep collider HERA operating at center-of- mass energies of 300...

Search for single-top production in ep collisions at HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for single-top production, ep to et X, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb/sup -1/. Events from both the leptonic and hadronic decay...

ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Next-to-leading-order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target data have been performed, from which the gluon and quark densities of the proton and the...

The effect of charge collection recovery in silicon p-n junction detectors irradiated by different particles

Verbitskaya, E., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

The recovery of the charge collection efficiency (CCE) at low temperatures, the so-called "Lazarus effect", was studied in Si detectors irradiated by fast reactor neutrons, by protons of medium and...

High-Q(2) neutral current cross sections in e(+)p deep inelastic scattering at root s=318 GeV

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Cross sections for e(+)p neutral current deep inelastic scattering have been measured at a center-of-mass energy of roots=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2...

Exclusive electroproduction of J/psi mesons at HERA

Chekanov, S., Derrick, A., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The exclusive electroproduction of J/psi mesons, ep → epJ/psi, has been studied with the ZEUS detector at HERA for virtualities of the exchanged photon in the ranges 0.15 lt Q(2) lt 0.8 GeV2 and 2...

Bottom photoproduction measured using decays into muons in dijet events in ep collisions at root s=318 GeV

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of bottom quarks in events with two jets and a muon has been measured with the ZEUS detector at HERA using an integrated luminosity of 110 pb(-1). The fraction of jets containing...

Measurement of Dstar(+/-) production in deep inelastic e(+/-)p scattering at DESY HERA

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive production of Dstar(+/-) (2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at DESY HERA using an integrated luminosity of 81.9 pb-1. The decay channel...

Low-temperature tracking detectors

Niinikoski, T.O., Abreu, M., Anbinderis, P., Anbinderis, T., D'Ambrosio, N., De Boer, W., ...

RD39 collaboration develops new detector techniques for particle trackers, which have to withstand fluences up to 10(16) cm(-2) of high-energy particles. The work focuses on the optimization of...

Measurement of beauty production in deep inelastic scattering at HERA

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The beauty production cross section for deep inelastic scattering events with at least one hard jet in the Breit frame together with a union has been measured, for photon virtualities Q(2) gt 2 GeV2,...