Related papers: Spectator-Tagged Deeply Virtual Compton Scattering…

First Exclusive Measurement of Deeply Virtual Compton Scattering off $^4$He: Toward the 3D Tomography of Nuclei

We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The experiment used the 6 GeV electron beam from the CEBAF accelerator at Jefferson Lab…

Nuclear Experiment · Physics 2017-11-22 M. Hattawy , N. A. Baltzell , R. Dupré , K. Hafidi , S. Stepanyan , S. Bültmann , R. De Vita , A. El Alaoui , L. El Fassi , H. Egiyan , F. X. Girod , M. Guidal , D. Jenkins , S. Liuti , Y. Perrin , B. Torayev , E. Voutier , K. P. Adhikari , S. Adhikari , D. Adikaram , Z. Akbar , M. J. Amaryan , S. Anefalos Pereira , Whitney R. Armstrong , H. Avakian , J. Ball , M. Bashkanov , M. Battaglieri , V. Batourine , I. Bedlinskiy , A. S. Biselli , S. Boiarinov , W. J. Briscoe , W. K. Brooks , V. D. Burkert , Frank Thanh Cao , D. S. Carman , A. Celentano , G. Charles , T. Chetry , G. Ciullo , L. Clark , L. Colaneri , P. L. Cole , M. Contalbrigo , O. Cortes , V. Crede , A. D'Angelo , N. Dashyan , E. De Sanctis , A. Deur , C. Djalali , L. Elouadrhiri , P. Eugenio , G. Fedotov , S. Fegan , R. Fersch , A. Filippi , J. A. Fleming , T. A. Forest , A. Fradi , M. Garçon , N. Gevorgyan , Y. Ghandilyan , G. P. Gilfoyle , K. L. Giovanetti , C. Gleason , W. Gohn , E. Golovatch , R. W. Gothe , K. A. Griffioen , L. Guo , H. Hakobyan , C. Hanretty , N. Harrison , D. Heddle , K. Hicks , M. Holtrop , S. M. Hughes , D. G. Ireland , B. S. Ishkhanov , E. L. Isupov , H. Jiang , K. Joo , S. Joosten , D. Keller , G. Khachatryan , M. Khachatryan , M. Khandaker , A. Kim , W. Kim , A. Klein , F. J. Klein , V. Kubarovsky , S. E. Kuhn , S. V. Kuleshov , L. Lanza , P. Lenisa , K. Livingston , H. Y. Lu , I . J . D. MacGregor , N. Markov , M. Mayer , M. E. McCracken , B. McKinnon , C. A. Meyer , Z. E. Meziani , T. Mineeva , M. Mirazita , V. Mokeev , R. A. Montgomery , H. Moutarde , A Movsisyan , C. Munoz Camacho , P. Nadel-Turonski , L. A. Net , S. Niccolai , G. Niculescu , I. Niculescu , M. Osipenko , A. I. Ostrovidov , M. Paolone , R. Paremuzyan , K. Park , E. Pasyuk , E. Phelps , W. Phelps , S. Pisano , O. Pogorelko , J. W. Price , Y. Prok , D. Protopopescu , M. Ripani , B. G. Ritchie , A. Rizzo , G. Rosner , P. Rossi , F. Sabatié , C. Salgado , R. A. Schumacher , E. Seder , Y. G. Sharabian , A. Simonyan , Iu. Skorodumina , G. D. Smith , D. Sokhan , N. Sparveris , S. Strauch , M. Taiuti , M. Ungaro , H. Voskanyan , N. K. Walford , D. P. Watts , X. Wei , L. B. Weinstein , M. H. Wood , N. Zachariou , L. Zana , J. Zhang , Z. W. Zhao

Deeply virtual Compton scattering cross section at high Bjorken $x_B$

We report high-precision measurements of the Deeply Virtual Compton Scattering (DVCS) cross section at high values of the Bjorken variable $x_B$. DVCS is sensitive to the Generalized Parton Distributions of the nucleon, which provide a…

High Energy Physics - Phenomenology · Physics 2022-07-13 F. Georges , M. N. H. Rashad , A. Stefanko , M. Dlamini , B. Karki , S. F. Ali , P-J. Lin , H-S Ko , N. Israel , D. Adikaram , Z. Ahmed , H. Albataineh , B. Aljawrneh , K. Allada , S. Allison , S. Alsalmi , D. Androic , K. Aniol , J. Annand , H. Atac , T. Averett , C. Ayerbe Gayoso , X. Bai , J. Bane , S. Barcus , K. Bartlett , V. Bellini , R. Beminiwattha , J. Bericic , D. Biswas , E. Brash , D. Bulumulla , J. Campbell , A. Camsonne , M. Carmignotto , J. Castellano , C. Chen , J-P. Chen , T. Chetry , M. E. Christy , E. Cisbani , B. Clary , E. Cohen , N. Compton , J. C. Cornejo , S. Covrig Dusa , B. Crowe , S. Danagoulian , T. Danley , F. De Persio , W. Deconinck , M. Defurne , C. Desnault , D. Di , M. Duer , B. Duran , R. Ent , C. Fanelli , G. Franklin , E. Fuchey , C. Gal , D. Gaskell , T. Gautam , O. Glamazdin , K. Gnanvo , V. M. Gray , C. Gu , T. Hague , G. Hamad , D. Hamilton , K. Hamilton , O. Hansen , F. Hauenstein , W. Henry , D. W. Higinbotham , T. Holmstrom , T. Horn , Y. Huang , G. M. Huber , C. Hyde , H. Ibrahim , C-M. Jen , K. Jin , M. Jones , A. Kabir , C. Keppel , V. Khachatryan , P. M. King , S. Li , W. B. Li , J. Liu , H. Liu , A. Liyanage , J. Magee , S. Malace , J. Mammei , P. Markowitz , E. McClellan , M. Mazouz , F. Meddi , D. Meekins , K. Mesik , R. Michaels , A. Mkrtchyan , R. Montgomery , C. Muñoz Camacho , L. S. Myers , P. Nadel-Turonski , S. J. Nazeer , V. Nelyubin , D. Nguyen , N. Nuruzzaman , M. Nycz , O. F. Obretch , L. Ou , C. Palatchi , B. Pandey , S. Park , K. Park , C. Peng , R. Pomatsalyuk , E. Pooser , A. J. R. Puckett , V. Punjabi , B. Quinn , S. Rahman , P. E. Reimer , J. Roche , I. Sapkota , A. Sarty , B. Sawatzky , N. H. Saylor , B. Schmookler , M. H. Shabestari , A. Shahinyan , S. Sirca , G. R. Smith , S. Sooriyaarachchilage , N. Sparveris , R. Spies , T. Su , A. Subedi , V. Sulkosky , A. Sun , L. Thorne , Y. Tian , N. Ton , F. Tortorici , R. Trotta , G. M. Urciuoli , E. Voutier , B. Waidyawansa , Y. Wang , B. Wojtsekhowski , S. Wood , X. Yan , L. Ye , Z. Ye , C. Yero , J. Zhang , Y. Zhao , P. Zhu

Double DVCS as a window to the complete mapping of GPDs

Double deeply virtual Compton scattering (DDVCS) is the process where an electron scatters off a nucleon and produces a lepton pair. The main advantage of this process in contrast with deeply virtual and timelike Compton scatterings (DVCS…

High Energy Physics - Phenomenology · Physics 2023-05-09 K. Deja , V. Martinez-Fernandez , B. Pire , P. Sznajder , J. Wagner

Unitary constraints on Deeply Virtual Compton Scattering

At moderately low momentum transfer (-t up to 1 GeV^2) the coupling to the vector meson production channels gives the dominant contribution to real Compton and deeply virtual Compton scattering (DVCS). Starting from a Regge Pole approach…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. -M. Laget

Neutron Spin Structure from e-3He Scattering with Double Spectator Tagging at the Electron-Ion Collider

The spin structure function of the neutron is traditionally determined by measuring the spin asymmetry of inclusive electron deep inelastic scattering (DIS) off polarized3He nuclei. In such experiments, nuclear effects can lead to large…

Nuclear Experiment · Physics 2021-10-22 Ivica Friscic , Dien Nguyen , Jackson Pybus , Alex Jentsch , Efrain Segarra , Mark Baker , Or Hen , Douglas Higinbotham , Richard Milner , Arun Tadepalli , Zhoudunming Tu , Jennifer Rittenhouse West

Deeply Virtual Compton Scattering at HERA II (H1 results)

New results on the Deeply Virtual Compton Scattering process $\gamma^* p \to \gamma p$ (DVCS) from H1 experiment at the $e p$ collider HERA are presented, using data collected during the year 2004 and corresponding to an integrated…

High Energy Physics - Experiment · Physics 2017-08-23 Benoit Roland

Deeply Virtual Compton Scattering at Future Electron-Ion Colliders

The study of hadronic structure has been carried out for many years. Generalized parton distribution functions (GPDs) give broad information on the internal structure of hadrons. Combining GPDs and high-energy scattering experiments, we…

High Energy Physics - Phenomenology · Physics 2023-06-06 Gang Xie , Wei Kou , Qiang Fu , Zhenyu Ye , Xurong Chen

Deeply Virtual Compton Scattering and Prompt Photon production at HERA

Recent results on the Deeply Virtual Compton Scattering (DVCS) and prompt photon productions from H1 and ZEUS experiments on the $ep$ collider HERA are presented. A new DVCS cross section measurements of the H1 Collaboration, for photon…

High Energy Physics - Experiment · Physics 2007-05-23 L. Favart

Measurement of the structure function of the nearly free neutron using spectator tagging in inelastic $^2$H(e, e'p)X scattering with CLAS

Much less is known about neutron structure than that of the proton due to the absence of free neutron targets. Neutron information is usually extracted from data on nuclear targets such as deuterium, requiring corrections for nuclear…

Nuclear Experiment · Physics 2015-06-23 S. Tkachenko , N. Baillie , S. E. Kuhn , J. Zhang , J. Arrington , P. Bosted , S. Bültmann , M. E. Christy , D. Dutta , R. Ent , H. Fenker , K. A. Griffioen , M. Ispiryan , N. Kalantarians , C. E. Keppel , W. Melnitchouk , V. Tvaskis , K. P. Adhikari , M. Aghasyan , M. J. Amaryan , S. Anefalos Pereira , H. Avakian , J. Ball , N. A. Baltzell , M. Battaglieri , I. Bedlinskiy , A. S. Biselli , W. J. Briscoe , W. K. Brooks , V. D. Burkert , D. S. Carman , A. Celentano , S. Chandavar , G. Charles , P. L. Cole , M. Contalbrigo , O. Cortes , V. Crede , A. D'Angelo , N. Dashyan , R. De Vita , E. De Sanctis , A. Deur , C. Djalali , G. E. Dodge , D. Doughty , R. Dupre , H. Egiyan , A. El Alaoui , L. El Fassi , L. Elouadrhiri , P. Eugenio , G. Fedotov , J. A. Fleming , B. Garillon , N. Gevorgyan , Y. Ghandilyan , G. P. Gilfoyle , K. L. Giovanetti , F. X. Girod , J. T. Goetz , E. Golovatch , R. W. Gothe , M. Guidal , L. Guo , K. Hafidi , H. Hakobyan , C. Hanretty , N. Harrison , M. Hattawy , K. Hicks , D. Ho , M. Holtrop , C . E. Hyde , Y. Ilieva , D. G. Ireland , B. S. Ishkhanov , H. S. Jo , D. Keller , M. Khandaker , A. Kim , W. Kim , P. M. King , A. Klein , F. J. Klein , S. Koirala , V. Kubarovsky , S. V. Kuleshov , P. Lenisa , S. Lewis , K. Livingston , H. Lu , M. MacCormick , I. J. D. MacGregor , N. Markov , M. Mayer , B. McKinnon , T. Mineeva , M. Mirazita , V. Mokeev , R. A. Montgomery , H. Moutarde , C. Munoz Camacho , P. Nadel-Turonski , S. Niccolai , G. Niculescu , I. Niculescu , M. Osipenko , L. L. Pappalardo , R. Paremuzyan , K. Park , E. Pasyuk , J. J. Phillips , S. Pisano , O. Pogorelko , S. Pozdniakov , J. W. Price , S. Procureur , D. Protopopescu , A. J . R. Puckett , D. Rimal , M. Ripani , A. Rizzo , G. Rosner , P. Rossi , P. Roy , F. Sabatié , D. Schott , R. A. Schumacher , E. Seder , I. Senderovich , Y. G. Sharabian , A. Simonyan , G. D. Smith , D. I. Sober , D. Sokhan , S. Stepanyan , S. S. Stepanyan , S. Strauch , W. Tang , M. Ungaro , A. V. Vlassov , H. Voskanyan , E. Voutier , N. K. Walford , D. Watts , X. Wei , L. B. Weinstein , M. H. Wood , L. Zana , I. Zonta

Study of deeply virtual Compton scattering at the future Electron-Ion Collider

This study presents the impact of future measurements of deeply virtual Compton scattering (DVCS) with the ePIC detector at the electron-ion collider (EIC), currently under construction at Brookhaven National Laboratory. The considered…

High Energy Physics - Phenomenology · Physics 2025-08-20 Elke-Caroline Aschenauer , Varvara Batozskaya , Salvatore Fazio , Alexander Jentsch , Jihee Kim , Krešimir Kumerički , Herve Moutarde , Kornelija Passek-K. , Daria Sokhan , Hubert Spiesberger , Paweł Sznajder , Kemal Tezgin

Tagged spectator deep-inelastic scattering off the deuteron as a tool to study neutron structure

We give an overview of a model to describe deep-inelastic scattering (DIS) off the deuteron with a spectator proton, based on the virtual nucleon approximation (VNA). The model accounts for the final-state interactions (FSI) of the DIS…

Nuclear Theory · Physics 2016-04-20 W. Cosyn , M. Sargsian

Semi-inclusive Deep Inelastic Scattering off Few-Nucleon Systems: Tagging the EMC Effect and Hadronization Mechanisms with Detection of Slow Recoiling Nuclei

The semi-inclusive deep inelastic scattering of electrons off the deuteron ($^2H \equiv D$) and $^3He$ with detection of slow protons and deuterons, respectively, i.e. the processes $D(e,e'p)X$ and $^3He(e,e'D)X$, are calculated within the…

Nuclear Theory · Physics 2011-05-05 C. Ciofi degli Atti , L. P. Kaptari

Measurements of the Electron-Helicity Dependent Cross Sections of Deeply Virtual Compton Scattering with CEBAF at 12 GeV

We propose precision measurements of the helicity-dependent and helicity independent cross sections for the ep->epg reaction in Deeply Virtual Compton Scattering (DVCS) kinematics. DVCS scaling is obtained in the limits Q^2>>Lambda_{QCD}^2,…

Nuclear Experiment · Physics 2007-05-23 J. Roche , C. E. Hyde-Wright , B. Michel , C. Munoz Camacho

Double deeply virtual Compton scattering with positron beams at SoLID

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

Diffractive deeply virtual Compton scattering

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

Measurements of DVCS and High |t| Vector Meson Production at HERA

Measurements of Deeply Virtual Compton Scattering (DVCS) are presented using data collected by the H1 and ZEUS experiments at HERA. The transition from a virtual photon to an on-shell particle is expected to necessitate the use of skewed…

High Energy Physics - Experiment · Physics 2007-05-23 D. P. Brown

Extracting Nucleon Resonance Transition GPDs from $e^- N\to e^-\gamma N\pi$ Deeply Virtual Compton Scattering

We investigate the process in which Deeply Virtual Compton Scattering (DVCS) excites a baryon resonance. In particular, we assess, in DVCS leading to the Roper resonance, the relative importance of a "background'' process in which a pion is…

Nuclear Theory · Physics 2026-02-17 Matthew Rumley , Anthony W. Thomas

Tagged spectator DIS on a polarized spin-1 target

We discuss the process of deep-inelastic electron scattering (DIS) on the polarized deuteron with detection of a nucleon in the nuclear fragmentation region ("spectator tagging"). We cover (a) the general structure of the semi-inclusive DIS…

High Energy Physics - Phenomenology · Physics 2016-09-08 W. Cosyn , M. Sargsian , C. Weiss

First CLAS12 measurement of DVCS beam-spin asymmetries in the extended valence region

Deeply virtual Compton scattering (DVCS) allows one to probe Generalized Parton Distributions (GPDs) describing the 3D structure of the nucleon. We report the first measurement of the DVCS beam-spin asymmetry using the CLAS12 spectrometer…

High Energy Physics - Experiment · Physics 2022-12-05 CLAS Collaboration , G. Christiaens , M. Defurne , D. Sokhan , P. Achenbach , Z. Akbar , M. J. Amaryan , H. Atac , H. Avakian , C. Ayerbe Gayoso , L. Baashen , N. A. Baltzell , L. Barion , M. Bashkanov , M. Battaglieri , I. Bedlinskiy , B. Benkel , F. Benmokhtar , A. Bianconi , A. S. Biselli , M. Bondi , W. A. Booth , F. Bossù , S. Boiarinov , K. -Th. Brinkmann , W. J. Briscoe , S. Bueltmann , D. Bulumulla , V. D. Burkert , T. Cao , D. S. Carman , J. C. Carvajal , A. Celentano , P. Chatagnon , V. Chesnokov , T. Chetry , G. Ciullo , G. Clash , P. L. Cole , M. Contalbrigo , G. Costantini , A. D'Angelo , N. Dashyan , R. De Vita , A. Deur , S. Diehl , C. Dilks , C. Djalali , R. Dupre , H. Egiyan , M. Ehrhart , A. El Alaoui , L. El Fassi , L. Elouadrhiri , S. Fegan , A. Filippi , K. Gates , G. Gavalian , Y. Ghandilyan , G. P. Gilfoyle , F. X. Girod , D. I. Glazier , A. A. Golubenko , G. Gosta , R. W. Gothe , Y. Gotra , K. A. Griffioen , M. Guidal , K. Hafidi , H. Hakobyan , M. Hattawy , F. Hauenstein , T. B. Hayward , D. Heddle , A. Hobart , D. E. Holmberg , M. Holtrop , Y. Ilieva , D. G. Ireland , E. L. Isupov , H. S. Jo , M. L. Kabir , D. Keller , M. Khachatryan , A. Khanal , W. Kim , A. Kripko , V. Kubarovsky , S. E. Kuhn , V. Lagerquist , L. Lanza , M. Leali , S. Lee , P. Lenisa , X. Li , K. Livingston , I . J . D. MacGregor , D. Marchand , V. Mascagna , G. Matousek , B. McKinnon , C. McLauchlin , Z. E. Meziani , S. Migliorati , R. G. Milner , T. Mineeva , M. Mirazita , V. Mokeev , E. Molina , C. Munoz Camacho , P. Nadel-Turonski , P. Naidoo , K. Neupane , S. Niccolai , M. Nicol , G. Niculescu , M. Osipenko , M. Ouillon , P. Pandey , M. Paolone , L. L. Pappalardo , R. Paremuzyan , E. Pasyuk , S. J. Paul , W. Phelps , N. Pilleux , M. Pokhrel , J. Poudel , J. W. Price , Y. Prok , A. Radic , N. Ramasubramanian , B. A. Raue , T. Reed , J. Richards , M. Ripani , J. Ritman , P. Rossi , F. Sabatié , C. Salgado , S. Schadmand , A. Schmidt , M. B. C. Scott , Y. G. Sharabian , E. V. Shirokov , U. Shrestha , P. Simmerling , N. Sparveris , M. Spreafico , S. Stepanyan , I. I. Strakovsky , S. Strauch , J. A. Tan , N. Trotta , M. Turisini , R. Tyson , M. Ungaro , S. Vallarino , L. Venturelli , H. Voskanyan , E. Voutier , D. P. Watts , X. Wei , R. Williams , R. Wishart , M. H. Wood , N. Zachariou , J. Zhang , Z. W. Zhao , V. Ziegler , M. Zurek

Theoretical description of deeply virtual Compton scattering off $^3$He

Recently, coherent deeply virtual Compton scattering (DVCS) off $^3$He nuclei has been proposed to access the neutron generalized parton distributions (GPDs). In Impulse Approximation (IA) studies, it has been shown, in particular, that the…

Nuclear Theory · Physics 2015-06-18 Matteo Rinaldi , Sergio Scopetta