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Deeply Virtual Compton Scattering Cross Section at High Bjorken x_{B}.
Georges, F; Rashad, M N H; Stefanko, A; Dlamini, M; Karki, B; Ali, S F; Lin, P-J; Ko, H-S; Israel, N; Adikaram, D; Ahmed, Z; Albataineh, H; Aljawrneh, B; Allada, K; Allison, S; Alsalmi, S; Androic, D; Aniol, K; Annand, J; Atac, H; Averett, T; Ayerbe Gayoso, C; Bai, X; Bane, J; Barcus, S; Bartlett, K; Bellini, V; Beminiwattha, R; Bericic, J; Biswas, D; Brash, E; Bulumulla, D; Campbell, J; Camsonne, A; Carmignotto, M; Castellano, J; Chen, C; Chen, J-P; Chetry, T; Christy, M E; Cisbani, E; Clary, B; Cohen, E; Compton, N; Cornejo, J C; Covrig Dusa, S; Crowe, B; Danagoulian, S; Danley, T; De Persio, F.
Afiliación
  • Georges F; Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
  • Rashad MNH; Old Dominion University, Norfolk, Virginia 23529, USA.
  • Stefanko A; Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
  • Dlamini M; Ohio University, Athens, Ohio 45701, USA.
  • Karki B; Ohio University, Athens, Ohio 45701, USA.
  • Ali SF; Catholic University of America, Washington, DC 20064, USA.
  • Lin PJ; Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
  • Ko HS; Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
  • Israel N; Seoul National University, 1 Gwanak-ro, Gwanak-gu, 08826 Seoul, Korea.
  • Adikaram D; Ohio University, Athens, Ohio 45701, USA.
  • Ahmed Z; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Albataineh H; University of Regina, Regina, Saskatchewan, S4S 0A2 Canada.
  • Aljawrneh B; Texas A&M University-Kingsville, Kingsville, Texas 78363, USA.
  • Allada K; North Carolina Agricultural and Technical State University, Greensboro, North Carolina 27411, USA.
  • Allison S; Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Alsalmi S; Old Dominion University, Norfolk, Virginia 23529, USA.
  • Androic D; Kent State University, Kent, Ohio 44240, USA.
  • Aniol K; University of Zagreb, Trg Republike Hrvatske 14, 10000 Zagreb, Croatia.
  • Annand J; California State University, Los Angeles, Los Angeles, California 90032, USA.
  • Atac H; SUPA School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, United Kingdom.
  • Averett T; Temple University, Philadelphia, Pennsylvania 19122, USA.
  • Ayerbe Gayoso C; The College of William and Mary, Williamsburg, Virginia 23185, USA.
  • Bai X; The College of William and Mary, Williamsburg, Virginia 23185, USA.
  • Bane J; University of Virginia, Charlottesville, Virginia 22904, USA.
  • Barcus S; University of Tennessee, Knoxville, Tennessee 37996, USA.
  • Bartlett K; The College of William and Mary, Williamsburg, Virginia 23185, USA.
  • Bellini V; The College of William and Mary, Williamsburg, Virginia 23185, USA.
  • Beminiwattha R; Istituto Nazionale di Fisica Nucleare, Dipartimento di Fisica delle Università degli di Catania, I-95123 Catania, Italy.
  • Bericic J; Syracuse University, Syracuse, New York 13244, USA.
  • Biswas D; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Brash E; Hampton University, Hampton, Virginia 23669, USA.
  • Bulumulla D; Christopher Newport University, Newport News, Virginia 23606, USA.
  • Campbell J; Old Dominion University, Norfolk, Virginia 23529, USA.
  • Camsonne A; Dalhousie University, Nova Scotia, NS B3H 4R2, Canada.
  • Carmignotto M; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Castellano J; Catholic University of America, Washington, DC 20064, USA.
  • Chen C; Florida International University, Miami, Florida 33199, USA.
  • Chen JP; Hampton University, Hampton, Virginia 23669, USA.
  • Chetry T; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Christy ME; Ohio University, Athens, Ohio 45701, USA.
  • Cisbani E; Hampton University, Hampton, Virginia 23669, USA.
  • Clary B; Istituto Nazionale di Fisica Nucleare-Sezione di Roma, Piazzale Aldo Moro, 2-00185 Roma, Italy.
  • Cohen E; University of Connecticut, Storrs, Connecticut 06269, USA.
  • Compton N; Tel Aviv University, Tel Aviv-Yafo 6997801, Israel.
  • Cornejo JC; Ohio University, Athens, Ohio 45701, USA.
  • Covrig Dusa S; Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
  • Crowe B; The College of William and Mary, Williamsburg, Virginia 23185, USA.
  • Danagoulian S; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
  • Danley T; North Carolina Central University, Durham, North Carolina 27707, USA.
  • De Persio F; North Carolina Agricultural and Technical State University, Greensboro, North Carolina 27411, USA.
Phys Rev Lett ; 128(25): 252002, 2022 Jun 24.
Article en En | MEDLINE | ID: mdl-35802440
ABSTRACT
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 three-dimensional description of its internal constituents. Using the exact analytic expression of the DVCS cross section for all possible polarization states of the initial and final electron and nucleon, and final state photon, we present the first experimental extraction of all four helicity-conserving Compton form factors (CFFs) of the nucleon as a function of x_{B}, while systematically including helicity flip amplitudes. In particular, the high accuracy of the present data demonstrates sensitivity to some very poorly known CFFs.
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2022 Tipo del documento: Article
Texto completo
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2022 Tipo del documento: Article