Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 182, Issue 6, Pages 1253-1264Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2011.02.011
Keywords
Harmonic polylogarithms; Feynman diagrams; Multi-loop calculations; Higgs physics
Funding
- Theory-LHC-France initiative of CNRS/IN2P3
- European Community's Marie-Curie Research Training Network [MRTN-CT-2006-035505]
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We describe how to compute numerically in the complex plane a set of generalized harmonic polylogarithms (GHPLs) with square roots in the weights, using the C++/GiNaC numerical routines of Vollinga and Weinzierl. As an example, we provide the numerical values of the NLO electroweak light-fermion corrections to the Higgs boson production in gluon fusion in the case of complex W and Z masses. (C) 2011 Elsevier B.V. All rights reserved.
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