Spin Structure of the Nucleon at Low Q 2 Region

被引：0

作者：

Choi, Seonho ^{[1
]}

Kim, Wooyoung ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea

[2] Kyungpook Natl Univ, Dept Phys, Taegu, South Korea

来源：

FEW-BODY SYSTEMS | 2013年 / 54卷 / 1-4期

基金：

新加坡国家研究基金会;

关键词：

SUM-RULES; INELASTIC-SCATTERING; MOMENTS;

D O I：

10.1007/s00601-012-0371-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The spin structure of the nucleon can play a key testing ground for the Quantum Chromo-Dynamics(QCD) at wide kinematic ranges from smaller to large four momentum transfer Q (2). It is far more challenging to understand the QCD at small Q (2) region due to the non-perturbative nature. Jefferson Lab has been one of the major experimental facilities for the spin structure with its polarized electron beams and various polarized targets. A few QCD sum rules have been compared with the measured spin structure functions g (1) and g (2) at low Q (2) and the most surprising results have been obtained for the spin polarizabilities, gamma (0) and delta (LT) .

引用

页码：135 / 140

页数：6

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