Photon pair production in gluon fusion: top quark effects at NLO with threshold matching

Photon pair production in gluon fusion: top quark effects at NLO with threshold matching

Abstract We present a calculation of the NLO QCD corrections to the loop-induced production of a photon pair through gluon fusion, including massive top quarks at two loops, where the two-loop integrals are calculated numerically. Matching the fixed-order NLO results to a threshold expansion, we obt...

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Bibliographic Details
Main Authors: Long Chen, Gudrun Heinrich, Stephan Jahn, Stephen P. Jones, Matthias Kerner, Johannes Schlenk, Hiroshi Yokoya
Format: Article
Language:English
Published: SpringerOpen 2020-04-01
Series:Journal of High Energy Physics
Subjects:
NLO Computations
QCD Phenomenology
Online Access:http://link.springer.com/article/10.1007/JHEP04(2020)115

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