Longitudinally polarized photoproduction of inclusive hadrons at fixed-target experiments

被引：28
|
作者：
Jäger, B
Stratmann, M
Vogelsang, W
机构：
[1] Univ Karlsruhe, Inst Theoret Phys, D-76128 Karlsruhe, Germany
[2] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[4] Brookhaven Natl Lab, RIKEN, BNL Res Ctr, Upton, NY 11973 USA
来源：
EUROPEAN PHYSICAL JOURNAL C | 2005年 / 44卷 / 04期
关键词：
D O I：
10.1140/epjc/s2005-02380-0
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：
We present a detailed phenomenological study of spin-dependent single-inclusive high-p(T) hadron photoproduction with particular emphasis on the kinematics relevant for the Compass and Hermes fixed-target experiments. We carefully examine the theoretical uncertainties associated with the only moderate transverse momenta accessible in such measurements and analyze the sensitivity of the relevant spin asymmetries to the gluon polarization in the nucleon as well as to the completely unknown parton content of circularly polarized photons.
引用
收藏
页码：533 / 543
页数：11
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