Photon isolation effects at NLO in γγ plus jet final states in hadronic collisions

被引：26
|
作者：
Gehrmann, T. [1 ]
Greiner, N. [2 ]
Heinrich, G. [2 ]
机构：
[1] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland
[2] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 06期
基金：
瑞士国家科学基金会;
关键词：
QCD Phenomenology; NLO Computations; ELECTROWEAK CORRECTIONS; FRAGMENTATION; GENERATION; INTEGRALS; LHC;
D O I：
10.1007/JHEP06(2013)058
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We present the NLO QCD corrections to pp -> gamma gamma j production at hadron colliders. Our calculation includes contributions from the fragmentation of a hadronic jet into a highly energetic photon, and consequently allows the implementation of arbitrary infrared-safe photon isolation definitions. We compare different photon isolation criteria and perform a detailed study of the dependence of the gamma gamma j cross section on the photon isolation parameters.
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收藏
页数：18
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