PERTURBATIVE GLUON RESUMMATION OF THE TOP-QUARK PRODUCTION CROSS-SECTION

被引：92
|
作者：
BERGER, EL
CONTOPANAGOS, H
机构：
[1] High Energy Physics Division, Argonne National Laboratory, Argonne
来源：
PHYSICS LETTERS B | 1995年 / 361卷 / 1-4期
关键词：
D O I：
10.1016/0370-2693(95)01133-B
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a calculation of the total cross section for top quark production based on a new perturbative resummation of gluon radiative corrections to the basic QCD subprocesses. We use Principal Value Resummation to calculate all relevant large threshold corrections. Advantages of this method include its independence from arbitrary infrared cutoffs and specification of the perturbative regime of applicability. For p (p) over bar collisions at center-of-mass energy root s = 1.8 TeV and a top mass of 175 GeV, we compute sigma(t (t) over bar) = 5.52(-0.45)(+0.07) pb.
引用
收藏
页码：115 / 120
页数：6
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