HIGH-ENERGY QUARK-ANTIQUARK ELASTIC-SCATTERING WITH MESONIC EXCHANGE

被引：10
|
作者：
TANG, WK
机构：
[1] Stanford Linear Accelerator Center, Stanford University, Stanford
来源：
PHYSICAL REVIEW D | 1993年 / 48卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.48.2019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the high-energy elastic scattering of a quark-antiquark pair with an exchange of a mesonic state in the t channel with -t/LAMBDA2 much greater than 1. Both the normalization factor and the Regge trajectory can be calculated in perturbative QCD in the cases of a fixed (nonrunning) and running coupling constant. The dependence of the Regge trajectory on the coupling constant is highly nonlinear and the trajectory is of the order of 0.2 in the interesting physical range.
引用
收藏
页码：2019 / 2026
页数：8
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