Bjorken sum rule at low Q2

被引：24
|
作者：
Soffer, J
Teryaev, OV
机构：
[1] CNRS, Ctr Phys Theor, F-13288 Marseille 9, France
[2] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 14980, Russia
来源：
PHYSICS LETTERS B | 2002年 / 545卷 / 3-4期
关键词：
D O I：
10.1016/S0370-2693(02)02617-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A description of the generalized Gerasimov-Drell-Heam sum rules for proton and neutron is suggested, using their relation to the Bjorken sum rule. The results support an earlier conjecture, that the structure function g(T) features a smooth Q(2)-dependence, while the structure function g(2) is changing rapidly, due to the elastic contribution to the Burkhardt-Cottingham sum rule. A possible violation of this later sum rule is briefly discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：323 / 328
页数：6
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