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We report on a calculation to show that the Fourier transform of the Deeply Virtual Compton Scattering (DVCS) amplitude with respect to the skewness variable \zeta at fixed invariant momentum transfer squared t gives results that are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Asmita Mukherjee

Double Deeply Virtual Compton Scattering (DDVCS) is a promising channel for Generalized Parton Distribution (GPD) studies as it is a generalization of the Deeply Virtual Compton Scattering (DVCS) and Timelike Compton Scattering (TCS)…

High Energy Physics - Phenomenology · Physics 2025-02-05 J. S. Alvarado , M. Hoballah , E. Voutier

Combining dispersion and operator product expansion techniques, we derive the conformal partial wave decomposition of the virtual Compton scattering amplitude in terms of complex conformal spin to twist-two accuracy. The perturbation theory…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Kumericki , D. Müller , K. Passek-Kumericki

One of the future plans at Jefferson Lab is running electron scattering experiments with large acceptance detectors at luminosities $> 10^{37}cm^{-2}s^{-1}$. These experiments allow the measurements of the Double Deeply Virtual Compton…

We use gauge/gravity duality to study deeply virtual Compton scattering (DVCS) in the limit of high center of mass energy at fixed momentum transfer, corresponding to the limit of low Bjorken x, where the process is dominated by the…

High Energy Physics - Theory · Physics 2013-05-30 Miguel S. Costa , Marko Djurić

Double Deeply Virtual Compton Scattering (DDVCS) is the only experimental channel for the determination of the dependence of the Generalized Parton Distributions (GPDs) on both the average and the transferred momentum independently. The…

Nuclear Experiment · Physics 2021-12-20 S. Zhao , A. Camsonne , D. Marchand , M. Mazouz , N. Sparveris , S. Stepanyan , E. Voutier , Z. W. Zhao

We present the recent experimental results from deeply virtual Compton scattering (DVCS) from H1 and ZEUS experiments at HERA. Their interpretation encoded in the generalized parton distributions is discussed.

High Energy Physics - Phenomenology · Physics 2011-07-19 Laurent SCHOEFFEL

We study the double deeply virtual Compton scattering (DDVCS) process off the nucleon, through the scattering of a spacelike virtual photon with large virtuality resulting in the production of a timelike virtual photon, decaying into an e^+…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Guidal , 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

Prospects for future measurements of Deeply Virtual Compton Scattering at HERMES are studied using different simple models for parameterizations of generalized parton distributions (GPDs). Measurements of the lepton charge and lepton beam…

High Energy Physics - Phenomenology · Physics 2011-09-13 V. A. Korotkov , W. -D. Nowak

We have developped a fitting code based on the leading-twist handbag Deep Virtual Compton Scattering (DVCS) amplitude in order to extract the Generalized Parton Distributions (GPD) information from DVCS observables in the valence region. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Guidal

We compute the deeply virtual Compton scattering (DVCS) amplitude for forward and backward scattering in the asymptotic limit. Since this calculation does not assume ordering of the transverse momenta, it includes important logarithmic…

High Energy Physics - Phenomenology · Physics 2016-08-25 B. I. Ermolaev , F. I. Olness , A. G. Shuvaev

A model for deeply virtual Compton scattering, based on analytical light-cone hadron wave functions is presented and studied at energies currently accessible at Jefferson Laboratory, DESY, and beyond. It is shown that perpendicular vector…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Gardestig , A. P. Szczepaniak , J. T. Londergan

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

Diffractive deeply virtual Compton scattering (DiDVCS) is the process $\gamma^*(- Q^2) + N \rightarrow \rho^0 + \gamma^* (Q'^2)+ N'$, where N is a nucleon or light nucleus, in the kinematical regime of large rapidity gap between the…

High Energy Physics - Phenomenology · Physics 2021-03-24 Bernard Pire , Lech Szymanowski , Samuel Wallon

We compute the deeply virtual Compton scattering (DVCS) amplitude for forward and backward scattering in the asymptotic limit. We make use of the Regge calculus to resum important logarithmic contributions that are beyond those included by…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. I. Ermolaev , F. Olness , A. G. Shuvaev

An interesting breakthrough in understanding the elusive inner content of nuclear systems in terms of partonic degrees of freedom is represented by deeply virtual Compton scattering processes. In such a way, tomographic view of nuclei and…

Nuclear Theory · Physics 2019-10-22 Sara Fucini , Sergio Scopetta , Michele Viviani

This paper reports the measurement of polarized and unpolarized cross sections for the ep -> e'p' reaction, which is comprised of Deeply Virtual Compton Scattering (DVCS) and Bethe-Heitler (BH) processes, at an electron beam energy of 5.88…

High Energy Physics - Experiment · Physics 2018-10-17 N. Hirlinger Saylor , B. Guegan , V. D. Burkert , L. Elouadrhiri , M. Garcon , F. X. Girod , M. Guidal , H. S. Jo , V. Kubarovsky , S. Niccolai , P. Stoler

We investigate the extension of the deeply virtual Compton scattering process into the weak interaction sector.

High Energy Physics - Phenomenology · Physics 2014-11-18 Ales Psaker

Virtual Compton Scattering (VCS) at low transferred momenta to the proton ($t$) and sufficiently high c.m. energies ($s$) may be used to a) study $Q^2$--dependence of leading $t$--channel exchanges and b) look for onset of scaling behavior…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrei Afanasev