Mixed QCD and weak corrections to top quark pair production at hadron colliders

被引：57
|
作者：
Bernreuther, W [1 ]
Fücker, M
Si, ZG
机构：
[1] Rhein Westfal TH Aachen, Inst Theoret Phys, D-52056 Aachen, Germany
[2] Shandong Univ, Dept Phys, Shandong 250100, Peoples R China
来源：
PHYSICS LETTERS B | 2006年 / 633卷 / 01期
基金：
中国国家自然科学基金;
关键词：
hadron collider physics; top quarks; QCD and electroweak corrections; parity violation; spin effects;
D O I：
10.1016/j.physletb.2005.11.056
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The order alpha(2)(s)alpha mixed QCD and weak corrections to top quark pair production by quark-antiquark annihilation are computed, keeping the full dependence on the t and t spins. We determine the contributions to the cross section and to single and double top spin asymmetries at the parton level. These results are necessary ingredients for precise standard model predictions of top quark observables, in particular of top-spin induced parity-violating angular correlations and asymmetries at hadron colliders. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 60
页数：7
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