Rare fluctuations and the high-energy limit of the S-matrix in QCD

被引：132

作者：

Iancu, E ^{[1
]}

Mueller, AH

机构：

[1] CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France

[2] Columbia Univ, Dept Phys, New York, NY 10027 USA

来源：

NUCLEAR PHYSICS A | 2004年 / 730卷 / 3-4期

关键词：

D O I：

10.1016/j.nuclphysa.2003.10.019

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We argue that one cannot correctly calculate the elastic scattering S-matrix for high-energy dipole-dipole scattering, in the region where S is small, without taking fluctuations into account. The relevant fluctuations are rare and unimportant for general properties of inelastic collisions. We find that the Kovchegov equation, while giving the functional form of the S-matrix correctly, gives the exponential factor twice as large as the result which emerges when fluctuations are taken into account. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：494 / 513

页数：20

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