Transverse single spin asymmetry AUTsin(φh-φS) for single hadron production in semi-inclusive DIS

被引：8

作者：

Luo, Xuan ^{[1
]}

Sun, Hao ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Phys, Inst Theoret Phys, 2 Linggong Rd, Dalian 116024, Liaoning, Peoples R China

来源：

PHYSICAL REVIEW D | 2020年 / 101卷 / 07期

基金：

中国国家自然科学基金;

关键词：

INELASTIC-SCATTERING; SIVERS ASYMMETRIES; CROSS-SECTIONS; QCD EVOLUTION; COLLINS; PIONS; KAONS;

D O I：

10.1103/PhysRevD.101.074016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we study the single spin asymmetry A(UT)(sin(phi h-phi S)) of a single hadron production in semiinclusive deep inelastic scattering within the framework of transverse momentum dependent factorization up to the next-to-leading logarithmic order of QCD. The asymmetry is a contribution of the convolution of the Sivers function and the unpolarized fragmentation function. Specifically, the Sivers function in the coordinate space and perturbative region can represent the convolution of the C coefficients and the corresponding collinear correlation functions, among which the Qiu-Sterman function is the most relevant one. We perform a detailed phenomenological analysis of the Sivers asymmetry at the kinematics of the HERMES and the COMPASS measurements. It is found that the obtained x(B)-, z(h)-, and P-h perpendicular to-dependent asymmetries are basically consistent with the HERMES and the COMPASS measurements.

引用

页数：11

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