Beam single-spin asymmetry in semiinclusive deep inelastic scattering

被引：11

作者：

Afanasev, Andrei V.

Carlson, Carl E.

机构：

[1] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[2] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

来源：

PHYSICAL REVIEW D | 2006年 / 74卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.74.114027

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate, in a model, the beam spin asymmetry in semi-inclusive jet production in deep inelastic scattering. This twist-3, T-odd observable is nonzero due to final state strong interactions. With reasonable choices for the parameters, one finds an asymmetry of several percent, about the size seen experimentally. We present the result both as an explicit asymmetry calculation and as a model calculation of the new transverse-momentum dependent distribution function g(perpendicular to).

引用

页数：10

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