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.

引用

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页数：18

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[2] Erratum: Photon isolation effects at NLO in γγ + jet final states in hadronic collisions
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