Drell-Yan process and factorization in impact parameter space

被引：88

作者：

Brodsky, SJ

Hebecker, A

Quack, E

机构：

[1] Stanford Linear Accelerator Center, Stanford University, Stanford, CA

来源：

PHYSICAL REVIEW D | 1997年 / 55卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.55.2584

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The cross section for Drell-Yan pair production in the limit of small x(target) is derived in the rest frame of the target hadron. Our calculation is based on the fundamental quantity sigma(rho), the cross section for the scattering of a <q(q)over bar> pair with fixed transverse separation rho off a hadronic target. As in deep inelastic scattering the result can be given in terms of integrals of sigma(rho). This is consistent with well-known factorization theorems and also relates higher-twist terms in both processes. An analysis of the angular distribution of the produced lepton shows that additional integrals of sigma(rho) can be obtained in the Drell-Yan process, which are not measurable in inclusive deep inelastic scattering.

引用

页码：2584 / 2590

页数：7

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