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Exclusive η electroproduction at W > 2 GeV with CLAS and transversity generalized parton distributions

I. Bedlinskiy V. Kubarovsky P. Stoler P. Adhikari Z. Akbar S. Anefalos Pereira H. Avakian J. Ball 1 N. Baltzell M. Battaglieri V. Batourine S. Biselli S. Boiarinov J. Briscoe D. Burkert T. Cao S. Carman A. Celentano 2 S. Chandavar G. Charles 3 G. Ciullo L. Clark L. Colaneri P. Cole M. Contalbrigo V. Crede A. d'Angelo N. Dashyan R. de Vita E. de Sanctis A. Deur C. Djalali R. Dupre 3 A. Alaoui 4 L. Fassi 5 L. Elouadrhiri P. Eugenio E. Fanchini G. Fedotov R. Fersch A. Filippi J. Fleming A. Forest M. Garçon 1 N. Gevorgyan Y. Ghandilyan P. Gilfoyle K. Giovanetti X. Girod C. Gleason 6 E. Golovatch W. Gothe A. Griffioen M. Guidal 3 L. Guo 7 K. Hafidi H. Hakobyan C. Hanretty N. Harrison M. Hattawy K. Hicks M. Hughes E. Hyde 8 Y. Ilieva D. Ireland B. Ishkhanov E. Isupov D. Jenkins H. Jiang H. Jo 3 K. Joo S. Joosten D. Keller G. Khachatryan M. Khachatryan M. Khandaker A. Kim W. Kim J. Klein Estelle Kuhn S. Kuleshov L. Lanza P. Lenisa K. Livingston I. Macgregor N. Markov B. Mckinnon E. Meziani M. Mirazita V. Mokeev R. A. Montgomery A. Movsisyan C. Munoz Camacho 3 P. Nadel-Turonski A. Net A. Ni S. Niccolai 3 G. Niculescu M. Osipenko I. Ostrovidov M. Paolone R. Paremuzyan K. Park E. Pasyuk P. Peng W. Phelps S. Pisano O. Pogorelko J. Price Y. Prok D. Protopopescu J. Puckett B. Raue M. Ripani A. Rizzo G. Rosner P. Rossi Pascal Roy F. Sabatié 1 M. Saini C. Salgado R. A. Schumacher Y. G. Sharabian Iu. Skorodumina D. Smith 9 D. Sokhan N. Sparveris S. Stepanyan I. Strakovsky S. Strauch M. Taiuti Ye Tian B. Torayev M. Turisini M. Ungaro H. Voskanyan E. Voutier 3 N. Walford D. P. Watts X. Wei L. B. Weinstein M. Wood 10 M. Yurov N. Zachariou J. Zhang 11 I. Zonta 
1 DPHN - Département de Physique Nucléaire (ex SPhN)
2 University of Ca’ Foscari [Venice, Italy]
3 IPNO - Institut de Physique Nucléaire d'Orsay
4 Centre d'Etude et de Recherche des Phosphates Minéraux
5 R&D
6 UMass Amherst - University of Massachusetts [Amherst]
7 Autre
8 Department of Computer Science [Oxford]
9 University of Southampton
10 AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
11 Tsukuba University of Technology
Abstract : The cross section of the exclusive eta electroproduction reaction ep -> e'p'eta was measured at Jefferson Laboratorywith a 5.75 GeV electron beam and the CLAS detector. Differential cross sections d(4) sigma/dtdQ(2) dx(B)d phi(eta) and structure functions sigma(U) = sigma(T) + epsilon sigma(L), sigma(TT), and sigma(LT), as functions of t, were obtained over a wide range of Q(2) and x(B). The eta structure functions are compared with those previously measured for pi(0) at the same kinematics. At low t, both pi(0) and eta are described reasonably well by generalized parton distributions (GPDs) in which chiral-odd transversity GPDs are dominant. The pi(0) and eta data, when taken together, can facilitate the flavor decomposition of the transversity GPDs.
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https://hal-cea.archives-ouvertes.fr/cea-01508502
Contributor : Valerie Poyeton Connect in order to contact the contributor
Submitted on : Friday, April 14, 2017 - 11:47:25 AM
Last modification on : Saturday, June 25, 2022 - 10:24:28 PM

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IN2P3 | CEA | INSU | UNIV-PARIS7 | IPNO | CNRS | DSM-IRFU | IRFU-AIM | CEA-UPSAY | USPC | UNIV-PARIS-SACLAY | CEA-DRF | UNIV-PARIS | UP-SCIENCES | GS-CHIMIE

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I. Bedlinskiy, V. Kubarovsky, P. Stoler, P. Adhikari, Z. Akbar, et al.. Exclusive η electroproduction at W > 2 GeV with CLAS and transversity generalized parton distributions. Physical Review C, American Physical Society, 2017, 95 (3), pp.035202. ⟨10.1103/PhysRevC.95.035202⟩. ⟨cea-01508502⟩

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