Off-shell gluon production in interaction of a projectile with 2 or 3 targets

被引：10
|
作者：
Braun, M. A. [1 ]
Salykin, M. Yu. [1 ]
机构：
[1] St Petersburg State Univ, Dept High Energy Phys, St Petersburg 198504, Russia
来源：
EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 07期
关键词：
HIGH-ENERGY BEHAVIOR; ABELIAN GAUGE-THEORY; S APPROXIMATION; QCD;
D O I：
10.1140/epjc/s10052-017-5053-9
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：
Within the effective QCD action for the Regge kinematics, the amplitudes for virtual gluon emission are studied in collision of a projectile with two and three targets. It is demonstrated that all non-Feynman singularities cancel between induced vertices and rescattering contributions. Formulas simplify considerably in a special gauge, which is a straightforward generalization of the light-cone gauge for emission of real gluons.
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页数：11
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