Publications
Publication Information
| Title | Beam charge asymmetries for deeply virtual Compton scattering off the proton |
| Authors | Volker Burkert, Latifa Elouadrhiri, Francois-Xavier Girod-Gard, Silvia Niccolai, Eric Voutier, Andrei Afanasev, Luca Barion, Marco Battaglieri, Jan Bernauer, Andrea Bianconi, Richard Capobianco, Mylene Caudron, L. Causse, Pierre Chatagnon, Taya Chetry, GIUSEPPE CIULLO, Philip Cole, Marco Contalbrigo, Giovanni Costantini, Maxime Defurne, Alexandre Deur, Stefan Diehl, Raphael Dupre, Mathieu Ehrhart, I. Fernando, Alessandra Filippi, Tony Forest, Joseph Grames, Paul Gueye, Sami Habet, Douglas Higinbotham, Adam Hobart, Charles Hyde, Kyungseon Joo, Andrey Kim, Alexei Klimenko, Ho San Ko, Valery Kubarovsky, Marco Leali, Paolo Lenisa, Dominique Marchand, Valerio Mascagna, Michael McCaughan, Bryan McKinnon, Aram Movsisyan, Carlos Munoz Camacho, Luciano Pappalardo, Eugene Pasyuk, Bernard Poelker, Katheryne Price, Brian Raue, Mitra Hashemi Shabestari, Ricardo Santos Estrada, Viktoriya Sergeyeva, Igor Strakovsky, Paul Stoler, Luca Venturelli, Shengying Zhao, Zhiwen Zhao |
| JLAB number | JLAB-PHY-21-3335 |
| LANL number | arXiv:2103.12651 |
| Other number | DOE/OR/23177-5151 |
| Document Type(s) | (Journal Article) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | Nuclear Physics (NP) |
|
Journal Compiled for European Physical Journal A Volume 57 Page(s) 186 Refereed | |
| Publication Abstract: | The unpolarized and polarized Beam Charge Asymmetries (BCAs) of the e(right-arrow)^+/-p -> e(right-arrow)^+/-p process off unpolarized hydrogen are discussed. The measurement of BCAs with the CLAS12 spectrometer at the Thomas Jefferson National Accelerator Facility, using polarized positron and electron beams at 10.6 GeV is investigated. This experimental configuration allows to measure azimuthal and t-dependences of the unpolarized and polarized BCAs over a large (xB;Q2) phase space, providing a direct access to the real part of the Compton Form Factor (CFF) H. Additionally, these measurement confront the Bethe-Heitler dominance hypothesis and eventual effects beyond leading twist. The impact of potential positron beam data on the determination of CFFs is also investigated within a local fitting approach of experimental observables. Positron data are shown to strongly reduce correlations between CFFs and consequently improve significantly the determination of |
| Experiment Numbers: | |
| Group: | Hall B |
| Document: | |
| DOI: | https://doi.org/10.1140/epja/s10050-021-00474-z |
| Accepted Manuscript: | 2103.12651.pdf |
| Supporting Documents: | |
| Supporting Datasets: | |