Complete Two-Loop Corrections to H -> gamma gamma

Details Complete Two-Loop Corrections to H -> gamma gamma Complete Two-Loop Corrections to H -> gamma gamma

2007-07-10

arxiv.org/abs/0707.1401v1

Phys.Lett.B655:298-306,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 8 figures

Scientific paper

10.1016/j.physletb.2007.09.002

In this paper the complete two-loop corrections to the Higgs-boson decay, H
-> gamma gamma, are presented. The evaluations of both QCD and electroweak
corrections are based on a numerical approach. The results cover all
kinematical regions, including the WW normal-threshold, by introducing complex
masses in the relevant (gauge-invariant) parts of the LO and NLO amplitudes.

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