Complete two-loop corrections to H → γγ

Giampiero Passarino

doi:10.1016/j.physletb.2007.09.002

2007-11-01

Giampiero Passarino *

Christian Sturm

Sandro Uccirati

DOI：10.1016/j.physletb.2007.09.002

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摘要

En 中文

In this Letter 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. (C) 2007 Elsevier B.V. All rights reserved.

Keyword:

Feynman diagrams

multi-loop calculations

Higgs physics

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期刊

Physics Letters B

IF:

4.5

论文数:

3.2W

被引数:

7.3W

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