Exclusive vector meson production in ep collisions

被引：0
|
作者：
Ciborowski, J [1 ]
机构：
[1] Univ Warsaw, PL-00681 Warsaw, Poland
来源：
NUCLEAR PHYSICS A | 2002年 / 711卷
关键词：
D O I：
暂无
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Generalised Parton Distributions (GPDs) are used to predici the electroproduction cross section for Y(1S). Results for the pomeron trajectories of vector mesons indicate that there is no universal pomeron. Comparison of cross section ratios as functions of Q(2) and t shows that the latter supplies a hard scale. S-channel helicity violation is found to increase with t.
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页码：181C / 185C
页数：5
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