One-Loop Helicity Amplitudes for t(t)over-bar Production at Hadron Colliders

被引：18

作者：

Badger, Simon ^{[1
]}

Sattler, Ralf ^{[2
,3
]}

Yundin, Valery ^{[3
,4
]}

机构：

[1] Niels Bohr Inst, Niels Bohr Int Acad & Discovery Ctr, DK-2100 Copenhagen, Denmark

[2] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[3] Deutsch Elektronen Synchrotron DESY, D-15738 Zeuthen, Germany

[4] Univ Silesia, Inst Phys, PL-40007 Katowice, Poland

来源：

PHYSICAL REVIEW D | 2011年 / 83卷 / 07期

关键词：

QUARK PAIR PRODUCTION; NLO QCD CORRECTIONS; GENERALIZED UNITARITY; WEAK CORRECTIONS; TREE AMPLITUDES; CROSS-SECTION;

D O I：

10.1103/PhysRevD.83.074020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present compact analytic expressions for all one-loop helicity amplitudes contributing to t (t) over bar production at hadron colliders. Using recently developed generalized unitarity methods and a traditional Feynman based approach we produce a fast and flexible implementation.

引用

页数：18

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