Publications (37)
Exclusive electroproduction of two pions at HERA
ZEUS collaboration, H. Abramowicz, I. Abt +302
The exclusive electroproduction of two pions in the mass range 0.4 < MÏÏ < 2.5 GeV has been studied with the ZEUS detector at HERA using an integrated luminosity of 82 pb-1. The…
Measurement of beauty production in deep inelastic scattering at HERA using decays into electrons
ZEUS collaboration, H. Abramowicz, I. Abt +311
The production of beauty quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared Q^2 > 10 GeV^2, using an integrated luminosit…
Design, Construction and Testing of the Digital Hadron Calorimeter (DHCAL) Electronics
C. Adams, A. Bambaugh, B. Bilki +30
A novel hadron calorimeter is being developed for future lepton colliding beam detectors. The calorimeter is optimized for the application of Particle Flow Algorithms (PFAs) to the…
Measurements of the Rate Capability of Various Resistive Plate Chambers
M. Affatigato, U. Akgun, B. Bilki +7
Resistive Plate Chambers (RPCs) exhibit a significant loss of efficiency for the detection of particles, when subjected to high particle fluxes. This rate limitation is related to…
Further studies of the photoproduction of isolated photons with a jet at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +170
In this extended analysis using the ZEUS detector at HERA, the photoproduction of isolated photons together with a jet is measured for different ranges of the fractional photon ene…
Analysis of Testbeam Data of the Highly Granular RPC-Steel CALICE Digital Hadron Calorimeter and Validation of Geant4 Monte Carlo Models
CALICE Collaboration, M. Chefdeville, J. Repond +93
We present a study of the response of the highly granular Digital Hadronic Calorimeter with steel absorbers, the Fe-DHCAL, to positrons, muons, and pions with momenta ranging from…
Measurement of the t dependence in exclusive photoproduction of Upsilon(1S) mesons at HERA
ZEUS collaboration, H. Abramowicz, I. Abt +300
The exclusive photoproduction reaction gamma p -> Upsilon(1S) p has been studied with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 468 pb^-1. The me…
Performance of the first prototype of the CALICE scintillator strip electromagnetic calorimeter
CALICE Collaboration, K. Francis, J. Repond +191
A first prototype of a scintillator strip-based electromagnetic calorimeter was built, consisting of 26 layers of tungsten absorber plates interleaved with planes of 45x10x3 mm3 pl…
Shower development of particles with momenta from 1 to 10 GeV in the CALICE Scintillator-Tungsten HCAL
C. Adloff, J. -J. Blaising, M. Chefdeville +215
Lepton colliders are considered as options to complement and to extend the physics programme at the Large Hadron Collider. The Compact Linear Collider (CLIC) is an collide…
Measurement of high-Q2 neutral current deep inelastic e+p scattering cross sections with a longitudinally polarised positron beam at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +300
Measurements of neutral current cross sections for deep inelastic scattering in e+p collisions at HERA with a longitudinally polarised positron beam are presented. The single-diffe…
Resistive Plate Chamber Digitization in a Hadronic Shower Environment
Z. Deng, Y. Li, Y. Wang +125
The CALICE Semi-Digital Hadron Calorimeter (SDHCAL) technological prototype is a sampling calorimeter using Glass Resistive Plate Chamber detectors with a three-threshold readout a…
Energy reconstruction of hadronic showers at the CERN PS and SPS using the Semi-Digital Hadronic Calorimeter
I. Laktineh, B. Liu, D. Boumediene +67
The CALICE Semi-Digital Hadronic CALorimeter (SDHCAL) is the first technological prototype in a family of high-granularity calorimeters developed by the CALICE Collaboration to equ…
The Time Structure of Hadronic Showers in highly granular Calorimeters with Tungsten and Steel Absorbers
C. Adloff, J. -J. Blaising, M. Chefdeville +210
The intrinsic time structure of hadronic showers influences the timing capability and the required integration time of hadronic calorimeters in particle physics experiments, and de…
A Linear Collider Vision for the Future of Particle Physics
H. Abramowicz, E. Adli, F. Alharthi +446
In this paper we review the physics opportunities at linear colliders with a special focus on high centre-of-mass energies and beam polarisation, take a fresh look at the…
Particle Identification Using Boosted Decision Trees in the Semi-Digital Hadronic Calorimeter Prototype
D. Boumediene, A. Pingault, M. Tytgat +87
The CALICE Semi-Digital Hadronic CALorimeter (SDHCAL) prototype using Glass Resistive Plate Chambers as a sensitive medium is the first technological prototype of a family of high-…
Measurement of beauty and charm production in deep inelastic scattering at HERA and measurement of the beauty-quark mass
ZEUS collaboration, H. Abramowicz, I. Abt +171
The production of beauty and charm quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared 5 < Q^2 < 1000 GeV^2 using an integ…
Development and Characterisation of a Gas System and its Associated Slow-Control System for an ATLAS Small-Strip Thin Gap Chamber Testing Facility
R. Keyes, K. A. Johnson, L. Pepin +10
A quality assurance and performance qualification laboratory was built at McGill University for the Canadian-made small-strip Thin Gap Chamber (sTGC) muon detectors produced for th…
Measurement of neutral current e+/-p cross sections at high Bjorken x with the ZEUS detector
ZEUS Collaboration, H. Abramowicz, I. Abt +170
The neutral current e+/-p cross section has been measured up to values of Bjorken x of approximately 1 with the ZEUS detector at HERA using an integrated luminosity of 187 inv. pb…
Measurement of the cross-section ratio sigma_{psi(2S)}/sigma_{J/psi(1S)} in deep inelastic exclusive ep scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +144
The exclusive deep inelastic electroproduction of and at an centre-of-mass energy of 317 GeV has been studied with the ZEUS detector at HERA in the kinemat…
The ILD Detector: A Versatile Detector for an Electron-Positron Collider at Energies up to 1 TeV
H. Abramowicz, D. Ahmadi, J. Alcaraz +276
The International Large Detector, ILD, is a detector concept for an experiment at a future high energy lepton collider. The detector has been optimised for precision physics in a r…
Measurement of D* photoproduction at three different centre-of-mass energies at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +170
The photoproduction of mesons has been measured with the ZEUS detector at HERA at three different ep centre-of-mass energies, , of 318, 251 and 225 GeV. For ea…
Deep inelastic cross-section measurements at large y with the ZEUS detector at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +170
The reduced cross sections for deep inelastic scattering have been measured with the ZEUS detector at HERA at three different centre-of-mass energies, , and $22…
The Linear Collider Facility (LCF) at CERN
H. Abramowicz, E. Adli, F. Alharthi +406
In this paper we outline a proposal for a Linear Collider Facility as the next flagship project for CERN. It offers the opportunity for a timely, cost-effective and staged construc…
Inclusive-jet photoproduction at HERA and determination of alphas
ZEUS Collaboration, H. Abramowicz, I. Abt +303
Inclusive-jet cross sections have been measured in the reaction ep->e+jet+X for photon virtuality Q2 < 1 GeV2 and gamma-p centre-of-mass energies in the region 142 < W(gamma-p) < 2…
Design, Construction and Commissioning of the Digital Hadron Calorimeter - DHCAL
C. Adams, A. Bambaugh, B. Bilki +33
A novel hadron calorimeter is being developed for future lepton colliding beam detectors. The calorimeter is optimized for the application of Particle Flow Algorithms (PFAs) to the…
Production of Z0 bosons in elastic and quasi-elastic ep collisions at HERA
ZEUS collaboration, H. Abramowicz, I. Abt +300
The production of Z0 bosons in the reaction ep -> eZ0p*, where p* stands for a proton or a low-mass nucleon resonance, has been studied in ep collisions at HERA using the ZEUS dete…
Measurement of heavy-quark jet photoproduction at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +309
Photoproduction of beauty and charm quarks in events with at least two jets has been measured with the ZEUS detector at HERA using an integrated luminosity of 133 . The fr…
Measurement of the cross-section ratio sigma_{psi(2S)}/sigma_{J/psi(1S)} in deep inelastic exclusive ep scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +144
The exclusive deep inelastic electroproduction of and at an centre-of-mass energy of 317 GeV has been studied with the ZEUS detector at HERA in the kinemat…
Scaled momentum distributions for K0s and Lambda/bar Lambda in DIS at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +300
Scaled momentum distributions for the strange hadrons K0s and Lambda/bar Lambda were measured in deep inelastic ep scattering with the ZEUS detector at HERA using an integrated lum…
Production of exclusive dijets in diffractive deep inelastic scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +144
Production of exclusive dijets in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 372 pb.…
Measurement of beauty production in DIS and F_2^bbbar extraction at ZEUS
ZEUS collaboration, H. Abramowicz, I. Abt +311
Beauty production in deep inelastic scattering with events in which a muon and a jet are observed in the final state has been measured with the ZEUS detector at HERA using an integ…
DHCAL with Minimal Absorber: Measurements with Positrons
The CALICE Collaboration, B. Freund, C. Neubüser +99
In special tests, the active layers of the CALICE Digital Hadron Calorimeter prototype, the DHCAL, were exposed to low energy particle beams, without being interleaved by absorber…
Search for single-top production in ep collisions at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +300
A search for single-top production, , has been performed with the ZEUS detector at HERA using data corresponding to an integrated luminosity of $0.37\fbi$. No e…
Tests of a Novel Design of Resistive Plate Chambers
B. Bilki, F. Corriveau, B. Freund +5
A novel design of Resistive Plate Chambers (RPCs), using only a single resistive plate, is being proposed. Based on this design, two large size prototype chambers were constructed…
Description and stability of a RPC-based calorimeter in electromagnetic and hadronic shower environments
D. Boumediene, V. Francais, J. Apostolakis +36
The CALICE Semi-Digital Hadron Calorimeter technological prototype completed in 2011 is a sampling calorimeter using Glass Resistive Plate Chamber (GRPC) detectors as the active me…
Pion and proton showers in the CALICE scintillator-steel analogue hadron calorimeter
The CALICE Collaboration, B. Bilki, J. Repond +169
Showers produced by positive hadrons in the highly granular CALICE scintillator-steel analogue hadron calorimeter were studied. The experimental data were collected at CERN and FNA…
Track segments in hadronic showers in a highly granular scintillator-steel hadron calorimeter
CALICE Collaboration, C. Adloff, J. -J. Blaising +205
We investigate the three dimensional substructure of hadronic showers in the CALICE scintillator-steel hadronic calorimeter. The high granularity of the detector is used to find tr…