The role of the quark and gluon GPDs in hard vector-meson electroproduction

被引：0
|
作者：
S.V. Goloskokov
P. Kroll
机构：
[1] Bogoliubov Laboratory of Theoretical Physics,Joint Institute for Nuclear Research
[2] Universität Wuppertal,Fachbereich Physik
来源：
The European Physical Journal C | 2008年 / 53卷
关键词：
HERMES Collaboration; Forward Limit; Double Distribution; Polarize Vector Meson; Quark Transverse Momentum;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electroproduction of light vector mesons is analyzed on the basis of handbag factorization. The required generalized parton distributions are constructed from the CTEQ6 parton distributions with the help of double distributions. The partonic subprocesses are calculated within the modified perturbative approach. The present work extends our previous analysis of the longitudinal cross section to the transverse one and other observables related to both the corresponding amplitudes. Our results are compared to recent experimental findings in detail.
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页码：367 / 384
页数：17
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