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Related papers: Isolated Photons in Deep Inelastic Scattering

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We consider the inclusive cross section for jet production with large transverse momentum in deep-inelastic scattering. This process has been proposed as a probe of small-x physics, particularly the measurement of `hot spots' inside the…

High Energy Physics - Phenomenology · Physics 2009-10-22 E. Laenen , E. Levin

This article reports a measurement of the cross section of prompt isolated photon pair production in pp collisions at a total energy \sqrt{s} = 1.96 TeV using data of 5.36 fb-1 integrated luminosity collected with the CDF II detector at the…

High Energy Physics - Experiment · Physics 2011-10-03 Costas Vellidis , the CDF Collaboration

We present preliminary results on inclusive direct photon production in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV, using data collected with the upgraded Collider Detector at Fermilab in Run II, corresponding to an integrated luminosity…

High Energy Physics - Experiment · Physics 2019-08-15 C. Deluca , M. Martinez , R. Culbertson , S. -S. Yu

Inclusive and differential cross-sections are measured at particle level for the associated production of a top quark pair and a photon ($t\bar{t}\gamma$). The analysis is performed using an integrated luminosity of 140 fb$^{-1}$ of…

High Energy Physics - Experiment · Physics 2024-11-08 ATLAS Collaboration

The dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 37 pb-1. Measurements of isolated-photon plus jet…

High Energy Physics - Experiment · Physics 2014-05-08 ATLAS Collaboration

The cross sections for isolated and non-isolated prompt photon production with unpolarized hadron beams are studied at order $\alpha\alpha_s^2$. Two methods of performing the calculations are compared. One uses purely analytic techniques…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. E. Gordon

Measurements of the cross sections for charged current deep inelastic scattering in e-p collisions with longitudinally polarised electron beams are presented. The measurements are based on a data sample with an integrated luminosity of 175…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Neutral-current and charged-current deep-inelastic scattering at very high four-momentum transfer squared (Q^2) have been studied in positron-proton collisions at center-of-mass energy 300 GeV using the ZEUS detector at HERA. An integrated…

High Energy Physics - Experiment · Physics 2019-08-14 C. M. Ginsburg

The dynamics of isolated-photon plus two-jet production in $pp$ collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset corresponding to an integrated luminosity of 36.1 fb$^{-1}$.…

High Energy Physics - Experiment · Physics 2020-05-26 ATLAS Collaboration

A search for events containing two or more high-transverse-momentum isolated leptons has been performed in ep collisions with the ZEUS detector at HERA using the full collected data sample, corresponding to an integrated luminosity of 480…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Two results in ep physics using HERA data are discussed: a measurement of the effective transverse parton momentum in the proton by studying the production of prompt-photons in photoproduction events in the ZEUS collaboration and…

High Energy Physics - Experiment · Physics 2007-05-23 Iwona Grabowska-Bold

After fifteen years of running and a further five years of analysis, the final inclusive deep inelastic scattering cross sections from H1 and ZEUS have been published. Measurements of neutral current and charged current processes in ep…

High Energy Physics - Experiment · Physics 2013-02-01 Matthew Wing

ZEUS inclusive diffractive cross-section measurements have been used in a next-to-leading-order QCD analysis to extract the diffractive parton distribution functions. Data on diffractive dijet production in deep inelastic scattering have…

High Energy Physics - Experiment · Physics 2010-11-19 Matthew Wing

We perform a detailed study of the production of isolated prompt photons in polarized hadronic collisions, in the centre-of-mass energy range relevant to RHIC. We compare the results obtained for a traditional cone-isolation prescription,…

High Energy Physics - Phenomenology · Physics 2011-03-23 Stefano Frixione , Werner Vogelsang

We study the single-inclusive production of prompt photons in electron proton collisions, $ep \to \gamma X $, for kinematics relevant at the Electron-Ion Collider (EIC). We perform a perturbative calculation of the differential cross…

High Energy Physics - Phenomenology · Physics 2024-07-31 Daniel Rein , Marc Schlegel , Werner Vogelsang

The cross section for dijet photoproduction at high transverse energies is presented as a function of the transverse energies and the pseudorapidities of the jets. The measurement is performed using a sample of ep-interactions corresponding…

High Energy Physics - Experiment · Physics 2008-11-26 J. Breitweg

The forward-jet cross section in deep inelastic ep 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 a function of jet transverse energy squared,…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We report a set of measurements of particle production in inelastic pbar{p} collisions collected with a minimum-bias trigger at the Tevatron Collider with the CDF II experiment. The inclusive charged particle transverse momentum…

High Energy Physics - Experiment · Physics 2010-12-28 CDF Collaboration , T. Aaltonen

The next-to-leading QCD calculation for the isolated photon and isolated photon plus jet photoproduction at the ep collider DESY HERA is presented. The theoretical uncertainties are discussed in details. The predictions are compared with…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej Zembrzuski

Isolated photon production at hadron colliders proceeds via direct production and fragmentation processes. Theory predictions for the isolated photon and photon-plus-jet cross section often impose idealised photon isolation criteria,…

High Energy Physics - Phenomenology · Physics 2022-08-05 X. Chen , T. Gehrmann , E. W. N. Glover , M. Höfer , A. Huss , R. Schürmann