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Related papers: Imaging partons in exclusive scattering processes

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We present a quantitative assessment of the impact a future Electron-Ion Collider would have in the determination of parton distribution functions in the proton and parton-to-hadron fragmentation functions through semi-inclusive…

High Energy Physics - Phenomenology · Physics 2019-05-15 Elke C. Aschenauer , Ignacio Borsa , Rodolfo Sassot , Charlotte Van Hulse

We review recent calculations of the probability that a hard parton radiates an additional energy fraction due to scattering in spatially extended matter, and we discuss their application to the suppression of leading hadron spectra in…

High Energy Physics - Phenomenology · Physics 2017-08-23 Urs Achim Wiedemann

The structure function approach and the parton picture, developed for the theoretical description of the deep inelastic electron-proton scattering, also proved to be very effective for calculation of radiative corrections in Quantum…

High Energy Physics - Phenomenology · Physics 2020-09-28 V. S. Fadin , R. E. Gerasimov

The theoretical and experimental aspects of particle production from the strong equivalent photon fluxes present at high energy hadron colliders are reviewed. The goal is to show how photons at hadron colliders can improve what we have…

High Energy Physics - Phenomenology · Physics 2010-01-27 Joakim Nystrand

Ultraperipheral collisions in hadron colliders give new opportunites to investigate the hadron stucture through exclusive photoproduction processes. We describe the possibility of measuring the Generalized Parton Distributions in the…

High Energy Physics - Phenomenology · Physics 2015-06-23 D. Yu. Ivanov , B. Pire , L. Szymanowski , J. Wagner

It has become apparent in recent years that it is important, notably for a range of physics studies at the Large Hadron Collider, to have accurate knowledge on the distribution of photons in the proton. We show how the photon parton…

High Energy Physics - Phenomenology · Physics 2016-12-19 Aneesh Manohar , Paolo Nason , Gavin P. Salam , Giulia Zanderighi

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 2015 nuclear physics long-range plan endorsed the realization of an Electron-Ion Collider (EIC) as the next large construction project after the completion of FRIB. With its high luminosity ( $> 10^{33} cm^{-2}s^{-1}$), wide kinematic…

Nuclear Experiment · Physics 2017-09-04 Salvatore Fazio

Exclusive two-photon reactions such as Compton scattering at large angles, deeply virtual Compton scattering, and hadron production in photon-photon collisions provide important tests of QCD at the amplitude level, particularly as measures…

High Energy Physics - Phenomenology · Physics 2009-10-31 Stanley J. Brodsky

In the framework of the QCD parton model, we study unpolarized scattering of high energy real photons from a proton target into lepton pairs and a system of hadrons. For a given parametrization of parton distributions in the proton, we…

High Energy Physics - Phenomenology · Physics 2017-08-23 Ales Psaker

We review recent progress in the study of parton propagation, interaction and fragmentation in both cold and hot strongly interacting matter. Experimental highlights on high-energy hadron production in deep inelastic lepton-nucleus…

I discuss the parton distributions in the photon and the constraints coming from the jet production in photoproduction and in photon-photon collisions.

High Energy Physics - Phenomenology · Physics 2009-09-25 Michel Fontannaz

Off-diagonal parton distributions occur in several hard exclusive reactions. They extend the study of hadron structure beyond what can be learned from ordinary distributions and have a particularly rich spin structure. The hard scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Diehl , T. Gousset , B. Pire

A future Electron-Ion Collider (EIC) will deliver luminosities of $10^{33} - 10^{34}$ cm$^{-2}$s$^{-1}$ for collisions of polarized electrons and protons and heavy ions over a wide range of center-of-mass energies (40 $\mathrm{GeV}$ to 145…

Nuclear Experiment · Physics 2016-07-12 Xiaoxuan Chu , Elke-Caroline Aschenauer , Jeong-Hun Lee

Several observables for the deeply virtual Compton scattering process have been simulated in the kinematic regime of a proposed Electron-Ion Collider to explore the possible impact of such measurements for the phenomenological access of…

High Energy Physics - Phenomenology · Physics 2015-06-15 Elke-Caroline Aschenauer , Salvatore Fazio , Kresimir Kumericki , Dieter Mueller

A future Electron Ion Collider (EIC) will be able to provide collisions of polarized electrons with protons and heavy ions over a wide range of center-of-mass energies (20 $\mathrm{GeV}$ to 140 $\mathrm{GeV}$) at an instanteous luminosity…

Nuclear Experiment · Physics 2017-11-15 Xiaoxuan Chu , Elke-Caroline Aschenauer , Jeong-Hun Lee , Liang Zheng

A parton picture of inclusive quasi-elastic electron-nucleus scattering, where individual nucleons are treated as (non point-like) partons of the nucleus, is presented. All the necessary target-mass corrections to asymptotic scaling are…

Nuclear Theory · Physics 2007-05-23 Silvano Simula

We suggest the measurement of exclusive electroproduction of lepton pairs as a tool to study inter-parton correlations in the nucleon via generalized parton distributions in the kinematical region where this process is light-cone dominated.…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Belitsky , D. Müller

Recent progress on the parton distribution functions of the photon, both real and virtual, is briefly reviewed and experimental possibilities at HERA are discussed.

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Sjostrand , J. K. Storrow , A. Vogt

We have substantially extended our analysis of the partonic content of the pomeron. Ambiguities in the normalization of the pomeron flux and the possiblity of a direct coupling of the pomeron to single quarks are discussed, yielding two…

High Energy Physics - Phenomenology · Physics 2008-02-03 T. Gehrmann , W. J. Stirling
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