Publications (37)
Measurement of the cross-section ratio in exclusive photoproduction at HERA
ZEUS Collaboration, I. Abt, M. Adamus +80
The exclusive photoproduction reactions and have been measured at an centre-of-mass energy of 318 GeV with the ZEUS detector at HERA us…
Charm production in charged current deep inelastic scattering at HERA
ZEUS collaboration, I. Abt, L. Adamczyk +92
Charm production in charged current deep inelastic scattering has been measured for the first time in collisions, using data collected with the ZEUS detector at HERA, co…
Search for a narrow baryonic state decaying to and in deep inelastic scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +124
A search for a narrow baryonic state in the and system has been performed in collisions at HERA with the ZEUS detector using an integrated luminosity o…
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…
Event Generators for High-Energy Physics Experiments
J. M. Campbell, M. Diefenthaler, T. J. Hobbs +209
We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of acti…
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…
Search for effective Lorentz and CPT violation using ZEUS data
ZEUS collaboration, I. Abt, R. Aggarwal +77
Lorentz and CPT symmetry in the quark sector of the Standard Model are studied in the context of an effective field theory using ZEUS data. Symmetry-violating effects c…
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…
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…
Further studies of isolated photon production with a jet in deep inelastic scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +111
Isolated photons with high transverse energy have been studied in deep inelastic scattering with the ZEUS detector at HERA, using an integrated luminosity of pb…
Combined QCD and electroweak analysis of HERA data
ZEUS Collaboration, H. Abramowicz, I. Abt +124
A simultaneous fit of parton distribution functions (PDFs) and electroweak parameters to HERA data on deep inelastic scattering is presented. The input data are the neutral current…
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…
Measurement of jet production in deep inelastic scattering and NNLO determination of the strong coupling at ZEUS
ZEUS Collaboration, I. Abt, R. Aggarwal +78
A new measurement of inclusive-jet cross sections in the Breit frame in neutral current deep inelastic scattering using the ZEUS detector at the HERA collider is presented. The dat…
Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions
H1, ZEUS Collaborations, : +234
The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA da…
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…
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…
Data Preservation in High Energy Physics
T. Basaglia, M. Bellis, J. Blomer +51
Data preservation is a mandatory specification for any present and future experimental facility and it is a cost-effective way of doing fundamental research by exploiting unique da…
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…
Azimuthal correlations of high transverse momentum jets at next-to-leading order in the parton branching method
M. I. Abdulhamid, M. A. Al-Mashad, A. Bermudez Martinez +26
The azimuthal correlation, , of high transverse momentum jets in pp collisions at TeV is studied by applying PB-TMD distributions to NLO calculations via M…
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…
Theory for the FCC-ee : Report on the 11th FCC-ee Workshop
A. Blondel, J. Gluza, S. Jadach +83
The Future Circular Collider (FCC) at CERN, a proposed 100-km circular facility with several colliders in succession, culminates with a 100 TeV proton-proton collider. It offers a…
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…
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…
The azimuthal correlation between the leading jet and the scattered lepton in deep inelastic scattering at HERA
ZEUS Collaboration, I. Abt, R. Aggarwal +78
The azimuthal correlation angle, , between the scattered lepton and the leading jet in deep inelastic scattering at HERA has been studied using data collected with…
HEP Software Foundation Community White Paper Working Group - Data and Software Preservation to Enable Reuse
M. D. Hildreth, A. Boehnlein, K. Cranmer +20
In this chapter of the High Energy Physics Software Foundation Community Whitepaper, we discuss the current state of infrastructure, best practices, and ongoing developments in 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…
Azimuthal correlations in photoproduction and deep inelastic scattering at HERA
ZEUS collaboration, I. Abt, R. Aggarwal +81
Collective behaviour of final-state hadrons, and multiparton interactions are studied in high-multiplicity scattering at a centre-of-mass energy GeV with the ZE…
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…
Running of the Charm-Quark Mass from HERA Deep-Inelastic Scattering Data
A. Gizhko, A. Geiser, S. Moch +47
Combined HERA data on charm production in deep-inelastic scattering have previously been used to determine the charm-quark running mass in the MSbar renormalisation sche…
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…
(2019): Precision measurements of the QCD coupling
David d'Enterria, Stefan Kluth, S. Alekhin +50
This document collects a written summary of all contributions presented at the workshop "(2019): Precision measurements of the strong coupling" held at ECT* (Trento) in Feb.…
Rivet, RivetHZTool and HERA -- A validation effort for coding HERA measurements for Rivet
M. I. Abdulhamid, A. Achilleos, A. Bermudez Martinez +33
During the DESY summer student program 2021, young scientists from more than 13 different countries worked together, connecting from remote, to provide computer codes within the Ri…
Limits on the effective quark radius from inclusive scattering at HERA
ZEUS Collaboration, H. Abramowicz, I. Abt +125
The high-precision HERA data allows searches up to TeV scales for Beyond the Standard Model contributions to electron-quark scattering. Combined measurements of the inclusive deep…