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Related papers: The Photon Structure from Deep Inelastic Electron-…

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The $e^{+}p$ and $e^{-}p$ scattering data recorded at HERA during the recent years offer the possibility to study electroweak effects in $ep$ interactions apparent at high momentum transfers, $Q^{2}$, and to reveal information on the proton…

High Energy Physics - Experiment · Physics 2007-05-23 Hans-Christian Schultz-Coulon

Neutral and charged current deep inelastic scattering cross sections and structure functions are presented. The review also discusses improvements to the parton density measurements using jet cross section data and recent high $Q^{2}$…

High Energy Physics - Experiment · Physics 2019-08-14 Syed Umer Noor

In the present paper we address double parton scattering (DPS) in quasi-real photon-proton interactions. By using electromagnetic and hadronic models of the photon light cone wave functions, we compute the so-called effective cross-section,…

High Energy Physics - Phenomenology · Physics 2022-01-05 Matteo Rinaldi , Federico Alberto Ceccopieri

It is shown that by assuming Gribov factorization to hold at low $x$ one obtains a simple relation between the structure function of the proton and that of the photon. By interpreting an observed structure in deep inelastic scattering (DIS)…

High Energy Physics - Phenomenology · Physics 2016-09-06 Aharon Levy

The QCD expectations concerning the deep inelastic lepton - hadron scattering at low $x$ and their phenomenological implications for HERA are summarised. Theoretical predictions for the structure function $F_2(x,Q^2)$ based on the leading…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Kwieciński

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

Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic $ep$ scattering at HERA are presented as a function of the Feynman…

High Energy Physics - Experiment · Physics 2014-04-02 H1 Collaboration

Elastic and inelastic cross section of proton-proton and electron-proton scattering are discussed. Special attention is given to elastic scattering and to the striking difference between the data of these two kinds of experiments. It is…

General Physics · Physics 2008-10-20 E. Comay

Collective behaviour of final-state hadrons, and multiparton interactions are studied in high-multiplicity $ep$ scattering at a centre-of-mass energy $\sqrt{s}=318$ GeV with the ZEUS detector at HERA. Two- and four-particle azimuthal…

The flux of papers from electron positron colliders containing data on the photon structure function ended naturally around 2005. It is thus timely to review the theoretical basis and confront the predictions with a summary of the…

High Energy Physics - Phenomenology · Physics 2015-08-05 Ch. Berger

Modelling the underlying event in high-energy hadronic collisions is important for physics at colliders. This includes lepton colliders, where low-virtuality photons accompanying the lepton beam(s) may develop hadronic structure. Similarly,…

High Energy Physics - Phenomenology · Physics 2024-12-17 J. M. Butterworth , I. M. Helenius , J. J. Juan Castella , B. Pattengale , S. Sanjrani , M. Wing

We review current results on physics with photons at the LHC and discuss realistic perspectives of photon physics at future colliders. In particular, we focus on Standard Model (SM) measurements with photons at the upcoming high-luminosity…

High Energy Physics - Phenomenology · Physics 2019-06-25 M. Klasen

A review is presented of numerous recent results, particularly those submitted to the EPS-HEP99 conference: very high Q^2 ep interactions and direct tests of the Standard Model, new measurements of the structure of the proton (including…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Marage

We review recent developments in the study of deep inelastic scattering from light nuclei, focusing in particular on deuterium, helium, and lithium. Understanding the nuclear effects in these systems is essential for the extraction of…

Nuclear Theory · Physics 2017-08-23 W. Melnitchouk , A. W. Thomas

An overview of the current data and phenomenology on the structure of the photon and an outline of some opportunities available in the medium term future.

High Energy Physics - Experiment · Physics 2014-11-17 J. M. Butterworth

We present a fully analytic computation of the complete electron and photon structure functions, or QED lepton parton distribution functions (PDFs) up to two-loop order. Our computation is performed using modern techniques of reduction to…

High Energy Physics - Phenomenology · Physics 2025-09-23 Marvin Schnubel , Robert Szafron

Two-photon collisions at the e$^+$e$^-$ colliders allow to investigate the formation and the properties of resonant states in a very clean experimental environment. A remarkable number of new results have been recently obtained giving…

High Energy Physics - Experiment · Physics 2007-05-23 Saverio Braccini

Deep Inelastic lepton-hadron Scattering (DIS) is a cornerstone of particle physics discovery and the precision measurement of the structure of matter. This document surveys the international DIS landscape, exploring current and future…

High Energy Physics - Experiment · Physics 2025-03-25 Allen Caldwell , Silvia Dalla Torre , Rolf Ent , Aharon Levy , Paul Newman , Fred Olness , Juan Rojo

Structure functions and polarization observables in elastic scattering of longitudinally polarized electron on polarized deuteron are considered within approximation of one-photon + two-photon exchange. It is shown that contribution of…

The subject of lepton-hadron scattering is discussed from its earliest beginnings, concentrating on what we have learnt from the HERA electron-proton storage ring. A brief selection of the HERA I results most relevant to LHC are discussed.…

High Energy Physics - Experiment · Physics 2008-11-26 B. Foster