Electroweak corrections to three-jet production in e+e- annihilation

被引：12
|
作者：
Denner, Ansgar [4 ]
Dittmaier, Stefan [2 ,3 ]
Gehrmann, Thomas [1 ]
Kurz, Christian [1 ,4 ]
机构：
[1] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland
[2] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany
[3] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany
[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
来源：
PHYSICS LETTERS B | 2009年 / 679卷 / 03期
基金：
瑞士国家科学基金会;
关键词：
QCD; Jet production; Event shapes; Higher order corrections; EVENT SHAPE DISTRIBUTIONS; HIGHER-ORDER CORRECTIONS; JET CROSS-SECTIONS; LOOP CALCULATIONS; REDUCTION; FEYNARTS;
D O I：
10.1016/j.physletb.2009.07.037
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the electroweak O(alpha(3)alpha(s)) corrections to three-jet production and related event-shape observables at electron-positron colliders. We properly account for the experimental photon isolation criteria and for the corrections to the total hadronic cross section. Corrections to the three-jet rate and to normalised event-shape distributions turn out to be at the few-percent level. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 222
页数：4
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