UNITARITY CORRECTIONS TO THE LIPATOV POMERON AND THE 4-GLUON OPERATOR IN DEEP-INELASTIC SCATTERING IN QCD

被引：184
|
作者：
BARTELS, J
机构：
[1] II. Institut für Theoretische Physik, Universität Hamburg, Hamburg
来源：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1993年 / 60卷 / 03期
关键词：
D O I：
10.1007/BF01560045
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Starting from a four-gluon partial-wave amplitude which provides the first unitarity corrections to the Lipatov Pomeron we study the deep inelastic limit. We find mixing between the four-gluon operator and a twist-four piece of the two-gluon operator. We calculate the diagonal elements of the matrix of the anomalous dimensions and the coefficient function of the singular part (near n = 1) of the four-gluon operator. Several disagreements between our results and the Gribov-Levin-Ryskin evolution equation are found.
引用
收藏
页码：471 / 488
页数：18
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