Generalized parton distributions and Deeply Virtual Compton Scattering on proton at CLAS

被引：0
作者：
De Masi, R. [1 ]
机构：
[1] CEA Saclay, DAPNIA, SPhN, DSM, F-91191 Gif Sur Yvette, France
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2007年 / 174卷
关键词：
D O I：
10.1016/j.nuclphysbps.2007.08.077
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Two measurements of target and beam spin asymmetries for the reaction ep -> ep gamma were performed with CLAS at Jefferson Laboratory. Polarized 5.7 GeV electrons were impinging on a longitudinally polarized ammonia and liquid hydrogen target respectively. These measurements are sensitive to Generalized Parton Distributions. Sizable sin phi azimuthal angular dependences were observed in both experiments, indicating the dominance of leading twist terms and the possibility of extracting combinations of Generalized Parton Distributions on the nucleon.
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页码：15 / 18
页数：4
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