Impact parameter dependent parton distributions and transverse single spin asymmetries

被引：156
作者：
Burkardt, M [1 ]
机构：
[1] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.66.114005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Generalized parton distributions (GPDs) with a purely transverse momentum transfer can be interpreted as Fourier transforms of the distribution of partons in impact parameter space. The helicity-flip GPD E(x,0,-Delta(perpendicular to)(2)) is related to the distortion of parton distribution functions in impact parameter space if the target is not a helicity eigenstate, but has some transverse polarization. This transverse distortion can be used to develop an intuitive explanation for various transverse single spin asymmetries.
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页数：9
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