Constraints on the (H)over-tilde generalized parton distribution from deep virtual Compton scattering measured at HERMES

被引：42
作者：
Guidal, M. [1 ]
机构：
[1] Univ Paris Sud, Inst Phys Nucl Orsay, F-91405 Orsay, France
来源：
PHYSICS LETTERS B | 2010年 / 693卷 / 01期
关键词：
Deeply virtual Compton scattering; Generalized parton distribution; Spin asymmetry; Data analysis method; ELECTROPRODUCTION; NUCLEON; MESONS;
D O I：
10.1016/j.physletb.2010.07.059
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have analyzed the longitudinally polarized proton target asymmetry data of the Deep Virtual Compton process recently published by the HERMES Collaboration in terms of Generalized Parton Distributions. We have fitted these new data in a largely model-independent fashion and the procedure results in numerical constraints on the Him Compton Form Factor. We present its t- and xi-dependencies. We also find improvement on the determination of two other Compton Form Factors. H-Re and H-Im. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：17 / 23
页数：7
相关论文
共 33 条
  • [1] Exclusive leptoproduction of real photons on a longitudinally polarised hydrogen target
    Airapetian, A.
    Akopov, N.
    Akopov, Z.
    Aschenauer, E. C.
    Augustyniak, W.
    Avakian, R.
    Avetissian, A.
    Avetisyan, E.
    Ball, B.
    Belostotski, S.
    Bianchi, N.
    Blok, H. P.
    Boettcher, H.
    Borissov, A.
    Bowles, J.
    Brodski, I.
    Bryzgalov, V.
    Burns, J.
    Capiluppi, M.
    Capitani, G. P.
    Cisbani, E.
    Ciullo, G.
    Contalbrigo, M.
    Dalpiaz, P. F.
    Deconinck, W.
    De Leo, R.
    De Nardo, L.
    De Sanctis, E.
    Diefenthaler, M.
    Di Nezza, P.
    Dueren, M.
    Ehrenfried, M.
    Elbakian, G.
    Ellinghaus, F.
    Fabbri, R.
    Fantoni, A.
    Felawka, L.
    Frullani, S.
    Gabbert, D.
    Gapienko, G.
    Gapienko, V.
    Garibaldi, F.
    Gavrilov, G.
    Gharibyan, V.
    Giordano, F.
    Gliske, S.
    Golembiovskaya, M.
    Hadjidakis, C.
    Hartig, M.
    Hasch, D.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2010, (06):
  • [2] Separation of contributions from deeply virtual Compton scattering and its interference with the Bethe-Heitler process in measurements on a hydrogen target
    Airapetian, A.
    Akopov, N.
    Akopov, Z.
    Aschenauer, E. C.
    Augustyniak, W.
    Avakian, R.
    Avetissian, A.
    Avetisyan, E.
    Ball, B.
    Belostotski, S.
    Blok, H. P.
    Borissov, A.
    Bowles, J.
    Bryzgalov, V.
    Burns, J.
    Capitani, G. P.
    Cisbani, E.
    Ciullo, G.
    Contalbrigo, M.
    Dalpiaz, P. F.
    Deconinck, W.
    De Leo, R.
    De Nardo, L.
    De Sanctis, E.
    Diefenthaler, M.
    Di Nezza, P.
    Dueren, M.
    Ehrenfried, M.
    Elbakian, G.
    Ellinghaus, F.
    Fabbri, R.
    Fantoni, A.
    Felawka, L.
    Frullani, S.
    Gabbert, D.
    Gapienko, G.
    Gapienko, V.
    Garibaldi, F.
    Gavrilov, G.
    Gharibyan, V.
    Giordano, F.
    Gliske, S.
    Hadjidakis, C.
    Hartig, M.
    Hasch, D.
    Hill, G.
    Hillenbrand, A.
    Hoek, M.
    Holler, Y.
    Hristova, I.
    [J]. JOURNAL OF HIGH ENERGY PHYSICS, 2009, (11):
  • [3] Airapetian A., 2008, JHEP, V06, P066
  • [4] Unraveling hadron structure with generalized parton distributions
    Belitsky, AV
    Radyushkin, AV
    [J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 2005, 418 (1-6): : 1 - 387
  • [5] Theory of deeply virtual Compton scattering on the nucleon
    Belitsky, AV
    Muller, D
    Kirchner, A
    [J]. NUCLEAR PHYSICS B, 2002, 629 (1-3) : 323 - 392
  • [6] Generalized parton distributions and the structure of the nucleon
    Boffi, S.
    Pasquini, B.
    [J]. RIVISTA DEL NUOVO CIMENTO, 2007, 30 (09): : 387 - 448
  • [7] Impact parameter dependent parton distributions and off-forward parton distributions for ζ→0 (vol D 62, art no 071503, 2000) -: art. no. 119903
    Burkardt, M
    [J]. PHYSICAL REVIEW D, 2002, 66 (11):
  • [8] Impact parameter space interpretation for generalized parton distributions
    Burkardt, M
    [J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2003, 18 (02): : 173 - 207
  • [9] Burkardt M, 2000, PHYS REV D, V62, DOI 10.1103/PhysRevD.62.071503
  • [10] Scaling tests of the cross section for deeply virtual Compton scattering
    Camacho, C. Munoz
    Camsonne, A.
    Mazouz, M.
    Ferdi, C.
    Gavalian, G.
    Kuchina, E.
    Amarian, M.
    Aniol, K. A.
    Beaumel, M.
    Benaoum, H.
    Bertin, P.
    Brossard, M.
    Chen, J. -P.
    Chudakov, E.
    Craver, B.
    Cusanno, F.
    de Jager, C. W.
    Deur, A.
    Feuerbach, R.
    Fieschi, J. -M.
    Frullani, S.
    Garcon, M.
    Garibaldi, F.
    Gayou, O.
    Gilman, R.
    Gomez, J.
    Gueye, P.
    Guichon, P. A. M.
    Guillon, B.
    Hansen, O.
    Hayes, D.
    Higinbotham, D.
    Holmstrom, T.
    Hyde-Wright, C. E.
    Ibrahim, H.
    Igarashi, R.
    Jiang, X.
    Jo, H. S.
    Kaufman, L. J.
    Kelleher, A.
    Kolarkar, A.
    Kumbartzki, G.
    Laveissiere, G.
    LeRose, J. J.
    Lindgren, R.
    Liyanage, N.
    Lu, H. -J.
    Margaziotis, D. J.
    Meziani, Z. -E.
    McCormick, K.
    [J]. PHYSICAL REVIEW LETTERS, 2006, 97 (26)
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