New pole contribution to Ph⊥-weighted single-transverse spin asymmetry in semi-inclusive deep inelastic scattering

被引：12

作者：

Yoshida, Shinsuke ^{[1
,2
]}

机构：

[1] Cent China Normal Univ, MOE, Key Lab Quark & Lepton Phys, Wuhan 430079, Peoples R China

[2] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China

来源：

PHYSICAL REVIEW D | 2016年 / 93卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.93.054048

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we discuss the new hard-pole contribution to the P-h perpendicular to-weighted single-transverse spin asymmetry in semi-inclusive deep inelastic scattering. We perform the complete next-to-leading-order calculation of the P-h perpendicular to-weighted cross section and show that the new hard-pole contribution is required in order to obtain the complete evolution equation for the Qiu-Sterman function derived by different approaches.

引用

页数：13

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