Complete three-loop QCD corrections to the decay H → γγ

被引：21

作者：

Maierhoefer, P. ^{[1
]}

Marquard, P. ^{[2
]}

机构：

[1] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland

[2] KIT, Inst Theoret Teilchenphys, D-76128 Karlsruhe, Germany

来源：

PHYSICS LETTERS B | 2013年 / 721卷 / 1-3期

基金：

瑞士国家科学基金会;

关键词：

Perturbative calculations; Quantum chromodynamics; Higgs; MODEL HIGGS-BOSON; STANDARD MODEL; 2-PHOTON DECAY; MASS; POLE;

D O I：

10.1016/j.physletb.2013.02.040

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the result for the three-loop singlet QCD corrections to the decay of a Higgs boson into two photons and improve the calculation for the non-singlet case. With the new result presented, the decay width Gamma(H -> gamma gamma) is completely known at O(G(F)alpha(2)alpha(2)(s), G(F)alpha(3)). (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：131 / 135

页数：5

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