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

页码：219 / 222

页数：4

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