Determination of the Beam-Spin Asymmetry of Deuteron Photodisintegration in the Energy Region $E_γ=1.1-2.3$ GeV
Creators: name: Zachariou, Nicholas
name: Ilieva, Yordanka
name: Ivanov, Nikolay Ya.
name: Sargsian, Misak M
name: Avakian, Robert
name: Feldman, Gerald
name: Nadel-Turonski, Pawel
name: Adhikari, K. P.
name: Adikaram, D.
name: Anderson, M. D.
name: Pereira, S. Anefalos
name: Avakian, H.
name: Badui, R. A.
name: Baltzell, N. A.
name: Battaglieri, M.
name: Baturin, V.
name: Bedlinskiy, I.
name: Biselli, A. S.
name: Briscoe, W. J.
name: Brooks, W. K.
name: Burkert, V. D.
name: Cao, T.
name: Carman, D. S.
name: Celentano, A.
name: Chandavar, S.
name: Charles, G.
name: Colaneri, L.
name: Cole, P. L.
name: Compton, N.
name: Contalbrigo, M.
name: Cortes, O.
name: Crede, V.
name: D'Angelo, A.
name: De Vita, R.
name: De Sanctis, E.
name: Deur, A.
name: Djalali, C.
name: Dupre, R.
name: Egiyan, H.
name: Alaoui, A. El
name: Fassi, L. El
name: Elouadrhiri, L.
name: Fedotov, G.
name: Fegan, S.
name: Filippi, A.
name: Fleming, J. A.
name: Forest, T. A.
name: Fradi, A.
name: Gevorgyan, N.
name: Ghandilyan, Y.
name: Gilfoyle, G. P.
name: Giovanetti, K. L.
name: Girod, F. X.
name: Glazier, D. I.
name: Golovatch, E.
name: Gothe, R. W.
name: Griffioen, K. A.
name: Guidal, M.
name: Hafidi, K.
name: Hanretty, C.
name: Harrison, N.
name: Hattawy, M.
name: Hicks, K.
name: Ho, D.
name: Holtrop, M.
name: Hughes, S. M.
name: Ireland, D. G.
name: Ishkhanov, B. S.
name: Isupov, E. L.
name: Jiang, H.
name: Jo, H. S.
name: Joo, K.
name: Keller, D.
name: Khachatryan, G.
name: Khandaker, M.
name: Kim, A.
name: Kim, W.
name: Klein, F. J.
name: Kubarovsky, V.
name: Lenisa, P.
name: Livingston, K.
name: Lu, H. Y.
name: MacGregor, I . J . D.
name: Markov, N.
name: Mattione, P. T.
name: McKinnon, B.
name: Mineeva, T.
name: Mirazita, M.
name: Mokeeev, V. I.
name: Montgomery, R. A.
name: Moutarde, H.
name: Camacho, C. Munoz
name: Net, L. A.
name: Niccolai, S.
name: Niculescu, G.
name: Niculescu, I.
name: Osipenko, M.
name: Ostrovidov, A. I.
name: Park, K.
name: Pasyuk, E.
name: Phelps, W.
name: Phillips, J. J.
name: Pisano, S.
name: Pogorelko, O.
name: Pozdniakov, S.
name: Price, J. W.
name: Procureur, S.
name: Prok, Y.
name: Protopopescu, D.
name: Puckett, A. J. R.
name: Ripani, M.
name: Rizzo, A.
name: Rosner, G.
name: Rossi, P.
name: Roy, P.
name: Sabatié, F.
name: Salgado, C.
name: Schott, D.
name: Schumacher, R. A.
name: Seder, E.
name: Senderovich, I.
name: Sharabian, Y. G.
name: Skorodumina, Iu.
name: Smith, G. D.
name: Sober, D. I.
name: Sokhan, D.
name: Sparveris, N.
name: Stepanyan, S.
name: Strauch, S.
name: Sytnik, V.
name: Taiuti, M.
name: Tian, Ye
name: Ungaro, M.
name: Voskanyan, H.
name: Voutier, E.
name: Walford, N. K.
name: Watts, D.
name: Wei, X.
name: Wood, M. H.
name: Zana, L.
name: Zhang, J.
name: Zhao, Z. W.
name: Zonta, I.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The beam-spin asymmetry, $Σ$, for the reaction $γd\rightarrow pn$ has been measured using the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility (JLab) for six photon-energy bins between 1.1 and 2.3 GeV, and proton angles in the center-of-mass frame, $θ_{c.m.}$, between $25^\circ$ and $160^\circ$. These are the first measurements of beam-spin asymmetries at $θ_{c.m.}=90^\circ$ for photon-beam energies above 1.6 GeV, and the first measurements for angles other than $θ_{c.m.}=90^\circ$. The angular and energy dependence of $Σ$ is expected to aid in the development of QCD-based models to understand the mechanisms of deuteron photodisintegration in the transition region between hadronic and partonic degrees of freedom, where both effective field theories and perturbative QCD cannot make reliable predictions.
description: 18 pages