Scaling variable for nuclear shadowing in deep-inelastic scattering

被引：42

作者：

Kopeliovich, B

Povh, B

机构：

[1] Max-Planck-Inst. für Kernphysik, 69029 Heidelberg

[2] Joint Institute for Nuclear Research, Laboratory of Nuclear Problems, Dubna

来源：

PHYSICS LETTERS B | 1996年 / 367卷 / 1-4期

关键词：

D O I：

10.1016/0370-2693(95)01367-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A new scaling variable is introduced in terms of which nuclear shadowing in deep-inelastic scattering is universal, i.e., independent of A, Q(2) and x. This variable can be interpreted as a measure of the number of gluons probed by the hadronic fluctuations of a virtual photon during their lifetime. The shadowing correction grows at small x substantially less steeply than is suggested by the eikonal approximation. This results from the fact that shadowing is dominated by soft rather than hard interactions.

引用

页码：329 / 334

页数：6

共 39 条

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