Probing quark-gluon correlation functions

被引:12
作者
Guo, XF [1 ]
Qiu, JW
机构
[1] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
来源
PHYSICAL REVIEW D | 2000年 / 61卷 / 09期
关键词
D O I
10.1103/PhysRevD.61.096003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We review the applicability of the QCD factorization theorem to multiple scattering in deeply inelastic lepton-nucleus scattering. We show why an A(1/3)-type nuclear enhancement can be calculated consistently in perturbative QCD. We derive the transverse momentum broadening of the leading pions in deeply inelastic lepton-nucleus collisions. We argue that the measurement of such transverse momentum broadening can provide direct information on the multiple-parton correlation functions inside a nucleus. We also estimate the numerical values of the broadening at different values of x(B) and Q(2).
引用
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页数:11
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