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In a previous publication, we have presented a model for the photoproduction of $\mathrm{J/}\psi$ vector mesons off protons, where the proton structure in the impact-parameter plane is described by an energy-dependent hot-spot profile. Here…

High Energy Physics - Phenomenology · Physics 2018-02-28 Jan Cepila , Jesus Guillermo Contreras , Michal Krelina

Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV. Jets are reconstructed using the kp jet algorithm. The…

High Energy Physics - Experiment · Physics 2010-04-21 The OPAL collaboration

We consider inelastic QED processes, the cross sections of which do not drop with increasing energy. Such reactions have the form of two-jet processes with the exchange of a virtual photon in the t-channel. We consider them in the region of…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. Carimalo , A. Schiller , V. G. Serbo

Inclusive jet production, e+e- -> e+e- \ee$ jet X, is studied using 560/pb of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The inclusive differential cross section is measured using a k_t…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

The associated vector meson + jet production in photon - induced interactions at the LHC is investigated and predictions for the cross - sections are derived considering the NLO corrections to the BFKL kernel. We explore the possibility…

High Energy Physics - Phenomenology · Physics 2025-04-25 João V. Bulhões , Victor P. Goncalves , Werner K. Sauter

Studies on the structure of the photon are presented by means of the extraction of a leading order effective parton distribution in the photon and measurements of inclusive jet differential cross sections in photoproduction. Measurements of…

High Energy Physics - Experiment · Physics 2016-11-03 Claudia Glasman

The reaction e+ e- -> e+ e- gamma* gamma* -> e+ e- hadrons is analysed for quasi-real virtual photons using data collected by the L3 detector during the LEP high energy runs at sqrt(s) = 183 and 189 GeV. Preliminary results on the cross…

High Energy Physics - Experiment · Physics 2007-05-23 Akos Csilling

The photoproduction of large-p_T charged hadrons and of prompt photons is discussed, for the inclusive case and with an associated jet, using predictions from the NLO partonic Monte Carlo program EPHOX. Comparisons to recent HERA data are…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. Heinrich

We investigated the energy dependence of the parton-parton inelastic cross sections, parton- parton inelastic overlap functions and the Cq moments in proton interactions from 10 to 14000 GeV. The used approach is based on a phenomenological…

High Energy Physics - Phenomenology · Physics 2017-01-31 P. C. Beggio

This paper puts forward a framework to accelerate Electromagnetic Transient (EMT) simulations by replacing individual components with trained Physics-Informed Neural Networks (PINNs). EMT simulations are considered the cornerstone of…

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

We show that the conventionally defined partonic cross section for the production of isolated prompt photons is not an infrared safe quantity. We work out the case of $e^+e^-\to\gamma + X$, and discuss implications for hadron reactions.

High Energy Physics - Phenomenology · Physics 2007-05-23 Edmond L. Berger , Xiaofeng Guo , Jianwei Qiu

We study the photoproduction of isolated prompt photons associated with hadron jets in the framework of the parton Reggeization approach. The cross section distributions in the transverse energies and pseudorapidities of the prompt photon…

High Energy Physics - Phenomenology · Physics 2014-06-23 B. A. Kniehl , M. A. Nefedov , V. A. Saleev

The TOTEM collaboration has measured the proton-proton total cross section at $\sqrt{s}=13$ TeV with a luminosity-independent method. Using dedicated $\beta^{*}=90$ m beam optics, the Roman Pots were inserted very close to the beam. The…

The cross section for photoproduction of a prompt photon in association with a jet is studied in Next-to-Leading Order at the DESY $ep$ collider HERA. The effect of various cuts imposed on the cross section by the ZEUS collaboration…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. E. Gordon

Di-jet production is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies 161 and 172 GeV. The jets are reconstructed using a cone jet finding algorithm. The angular distributions of direct…

High Energy Physics - Experiment · Physics 2008-11-26 OPAL Collaboration , G. Abbiendi et al

Forward jet cross sections have been measured in neutral current deep inelastic scattering at low Bjorken-x with the ZEUS detector at HERA using an integrated luminosity of ${81.8 \rm pb}^{-1}$. Measurements are presented for inclusive…

High Energy Physics - Experiment · Physics 2019-08-13 S. Chekanov

The latest CTEQ6.6 parton distributions, obtained by global analysis of hard scattering data in the framework of general-mass perturbative QCD, are employed to study theoretical predictions and their uncertainties for significant processes…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. M. Nadolsky , H. -L. Lai , Q. -H. Cao , J. Huston , J. Pumplin , D. Stump , W. -K. Tung , C. -P. Yuan

The double-differential inclusive di-jet cross section in photoproduction processes is measured with the H1 detector at HERA. The cross section is determined as a function of the average transverse jet energy E_T^jets for ranges of the…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

Photonic integrated circuits play an important role in the field of optical computing, promising faster and more energy-efficient operations compared to their digital counterparts. This advantage stems from the inherent suitability of…

Emerging Technologies · Computer Science 2024-04-17 Isidora Teofilovic , Ali Cem , David Sanchez-Jacome , Daniel Perez-Lopez , Francesco Da Ros