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Related papers: Virtual Compton Scattering on the Proton at High s…

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The Virtual Compton scattering (VCS) process at low energies explores the electromagnetic structure of the proton in terms of generalized polarizabilities (GPs). In the one-photon exchange approximation, VCS can be accessed with exclusive…

High Energy Physics - Phenomenology · Physics 2021-12-08 B. Pasquini , M. Vanderhaeghen

Virtual Compton Scattering (VCS) on the proton has been studied at Jefferson Lab using the exclusive photon electroproduction reaction (e p --> e p gamma). This paper gives a detailed account of the analysis which has led to the…

Nuclear Experiment · Physics 2013-05-30 H. Fonvieille , G. Laveissiere , N. Degrande , S. Jaminion , C. Jutier , L. Todor , R. Di Salvo , L. Van Hoorebeke , L. C. Alexa , B. D. Anderson , K. A. Aniol , K. Arundell , G. Audit , L. Auerbach , F. T. Baker , M. Baylac , J. Berthot , P. Y. Bertin , W. Bertozzi , L. Bimbot , W. U. Boeglin , E. J. Brash , V. Breton , H. Breuer , E. Burtin , J. R. Calarco , L. S. Cardman , C. Cavata , C. -C. Chang , J. -P. Chen , E. Chudakov , E. Cisbani , D. S. Dale , C. W. deJager , R. De Leo , A. Deur , N. d'Hose , G. E. Dodge , J. J. Domingo , L. Elouadrhiri , M. B. Epstein , L. A. Ewell , J. M. Finn , K. G. Fissum , G. Fournier , B. Frois , S. Frullani , C. Furget , H. Gao , J. Gao , F. Garibaldi , A. Gasparian , S. Gilad , R. Gilman , A. Glamazdin , C. Glashausser , J. Gomez , V. Gorbenko , P. Grenier , P. A. M. Guichon , J. O. Hansen , R. Holmes , M. Holtrop , C. Howell , G. M. Huber , C. E. Hyde , S. Incerti , M. Iodice , J. Jardillier , M. K. Jones , W. Kahl , S. Kato , A. T. Katramatou , J. J. Kelly , S. Kerhoas , A. Ketikyan , M. Khayat , K. Kino , S. Kox , L. H. Kramer , K. S. Kumar , G. Kumbartzki , M. Kuss , A. Leone , J. J. LeRose , M. Liang , R. A. Lindgren , N. Liyanage , G. J. Lolos , R. W. Lourie , R. Madey , K. Maeda , S. Malov , D. M. Manley , C. Marchand , D. Marchand , D. J. Margaziotis , P. Markowitz , J. Marroncle , J. Martino , K. McCormick , J. McIntyre , S. Mehrabyan , F. Merchez , Z. E. Meziani , R. Michaels , G. W. Miller , J. Y. Mougey , S. K. Nanda , D. Neyret , E. A. J. M. Offermann , Z. Papandreou , B. Pasquini , C. F. Perdrisat , R. Perrino , G. G. Petratos , S. Platchkov , R. Pomatsalyuk , D. L. Prout , V. A. Punjabi , T. Pussieux , G. Quemener , R. D. Ransome , O. Ravel , J. S. Real , F. Renard , Y. Roblin , D. Rowntree , G. Rutledge , P. M. Rutt , A. Saha , T. Saito , A. J. Sarty , A. Serdarevic , T. Smith , G. Smirnov , K. Soldi , P. Sorokin , P. A. Souder , R. Suleiman , J. A. Templon , T. Terasawa , R. Tieulent , E. Tomasi-Gustaffson , H. Tsubota , H. Ueno , P. E. Ulmer , G. M. Urciuoli , M. Vanderhaeghen , R. L. J. Van der Meer , R. Van De Vyver , P. Vernin , B. Vlahovic , H. Voskanyan , E. Voutier , J. W. Watson , L. B. Weinstein , K. Wijesooriya , R. Wilson , B. B. Wojtsekhowski , D. G. Zainea , W. -M. Zhang , J. Zhao , Z. -L. Zhou

This review gives an update on virtual Compton scattering (VCS) off the nucleon, $\gamma^* N \to N \gamma$, in the low-energy regime. We recall the theoretical formalism related to the generalized polarizabilities (GPs) and model…

Nuclear Experiment · Physics 2020-07-15 H. Fonvieille , B. Pasquini , N. Sparveris

Virtual Compton scattering off the nucleon (VCS) is studied in the regime of low energy of the outgoing real photon. This regime allows one to directly access the generalized polarizabilities of the nucleon in a VCS experiment. In the…

Nuclear Theory · Physics 2010-04-06 Mikhail Gorchtein

We investigate the spin-independent part of the virtual Compton scattering (VCS) amplitude off the nucleon within the framework of chiral perturbation theory. We perform a consistent calculation to third order in external momenta according…

Nuclear Theory · Physics 2009-10-30 Thomas R. Hemmert , Barry R. Holstein , Germar Knoechlein , Stefan Scherer

We perform an expansion of the virtual Compton scattering amplitude for low energies and low momenta and show that this expansion covers the transition from the regime to be investigated in the scheduled photon electroproduction experiments…

Nuclear Theory · Physics 2008-11-26 D. Drechsel , G. Knoechlein , A. Yu. Korchin , A. Metz , S. Scherer

We discuss the experimental issues confronting measurements of the Virtual Compton Scattering (VCS) reaction ep->ep gamma with electron beam energies 6-30 GeV. We specifically address the kinematics of Deeply Virtual Compton Scattering…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Y. Bertin , Y. Roblin , C. E. Hyde-Wright

The study of exclusive processes in the future electron-ion ($eA$) colliders will be an important tool to investigate the QCD dynamics at high energies as they are in general driven by the gluon content of the target which is strongly…

High Energy Physics - Phenomenology · Physics 2015-06-11 V. P. Goncalves , D. S. Pires

We study deeply virtual Compton scattering (DVCS) on a deuteron target. We model the Generalized Quark Distributions in the deuteron by using the impulse approximation for the lowest Fock-space state. Numerical predictions are given for the…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Cano , B. Pire

We present in detail a dispersion relation formalism for virtual Compton scattering (VCS) off the proton from threshold into the $\Delta(1232)$-resonance region. Such a formalism can be used as a tool to extract the generalized…

High Energy Physics - Phenomenology · Physics 2016-09-06 B. Pasquini , M. Gorchtein , D. Drechsel , A. Metz , M. Vanderhaeghen

We calculate the cross section of the deeply virtual Compton scattering at large energies and intermediate momentum transfers.

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Balitsky , E. Kuchina

We give a short overview of recent developments in understanding of the deeply virtual Compton scattering on the proton target.

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Belitsky , D. Müller

The forward doubly-virtual Compton scattering (VVCS) off the nucleon contains a wealth of information on nucleon structure, relevant to the calculation of the two-photon-exchange effects in atomic spectroscopy and electron scattering. We…

High Energy Physics - Phenomenology · Physics 2020-07-15 Jose Manuel Alarcón , Franziska Hagelstein , Vadim Lensky , Vladimir Pascalutsa

A review is given of the very recent developments in the fields of real and virtual Compton scattering off the nucleon. Both real and virtual Compton scattering reactions are discussed at low outgoing photon energy where one accesses…

High Energy Physics - Phenomenology · Physics 2016-09-06 Marc Vanderhaeghen

These lectures give a pedagogical introduction to real and virtual Compton scattering at low energies. We will first discuss real Compton scattering off a point particle as well as a composite system in the framework of nonrelativistic…

Nuclear Theory · Physics 2011-04-15 S. Scherer

The present experiment exploits the interference between the Deeply Virtual Compton Scattering (DVCS) and the Bethe-Heitler processes to extract the imaginary part of DVCS amplitudes on the neutron and on the deuteron from the…

Nuclear Experiment · Physics 2019-08-13 M. Mazouz , A. Camsonne , C. Muñoz Camacho

We have made the first measurements of the virtual Compton scattering (VCS) process via the H$(e,e'p)\gamma$ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the $W$-dependence at fixed…

Nuclear Experiment · Physics 2019-08-15 G. Laveissière

We study in QCD the physics of deeply-virtual Compton scattering (DVCS)---the virtual Compton process in the large s and small t kinematic region. We show that DVCS can probe a new type of off-forward parton distributions. We derive an…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xiangdong Ji

The amplitudes for virtual Compton scattering off protons are calculated within the framework of the diquark model in which protons are viewed as being built up by quarks and diquarks. The latter objects are treated as quasi-elementary…

High Energy Physics - Phenomenology · Physics 2009-09-25 P. Kroll , M. Schürmann , P. A. M. Guichon

Virtual Compton Scattering off the proton: gamma* p to gamma p, is a new field of investigation of nucleon structure. Several dedicated experiments have been performed at low c.m. energy and various momentum transfers, yielding specific…

High Energy Physics - Experiment · Physics 2019-08-15 Helene Fonvieille
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