Beam normal spin asymmetries: Theory

被引：0
|
作者：
Vanderhaeghen, M. [1 ]
机构：
[1] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA
[2] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA
来源：
EUROPEAN PHYSICAL JOURNAL A | 2007年 / 32卷 / 04期
关键词：
D O I：
10.1140/epja/i2006-10422-0
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：
The beam normal spin asymmetry in elastic electron-nucleon scattering is discussed. This beam normal spin asymmetry depends on the imaginary part of two-photon exchange processes between electron and nucleon, and measures the non-forward structure functions of the nucleon. After briefly reviewing the theoretical formalism, we discuss calculations in the threshold region, in the resonance region, as well as in the diffractive region, corresponding with high energy and forward angles.
引用
收藏
页码：489 / 495
页数：7
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