4.4 Article

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

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP06(2013)058

Keywords

QCD Phenomenology; NLO Computations

Funding

  1. Swiss National Science Foundation (SNF) [200020-138206]
  2. European Commission through the LHCPhenoNet Initial Training Network [PITN-CA-2010-264564]
  3. Swiss National Science Foundation (SNF) [200020_138206] Funding Source: Swiss National Science Foundation (SNF)

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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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