Two-loop O ( G F M H 2 ) radiative corrections to the Higgs decay width H → γγ for large Higgs boson masses
Two-loop O ( G F M H 2 ) radiative corrections to the Higgs decay width H → γγ for large Higgs boson masses
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对大希格斯玻色子质量的希格斯衰变宽度 H → γγ 的双环 O ( G F M H 2 ) 辐射校正
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通讯作者：
O. Yakovlev
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作者：
J. Körner;K. Melnikov;O. Yakovlev
2)对大质量希格斯玻色子的希格斯衰变宽度H → γγ的辐射修正。本文计算了在最小标准模型中，当Higgs玻色子质量M H较大时，对Higgs衰变宽度H → γγ的双圈O（G F M H 2）辐射修正.等价定理的使用使得我们可以将问题简化为物理希格斯玻色子场和戈德斯通玻色子w +，w-，z的考虑。我们目前的分析结果的各种两个和三个粒子的吸收部分的两个回路的贡献，使用色散技术，分析结果的所有，但一个色散的贡献。对于质量为1 T eV的希格斯玻色子，校正的典型大小为1.30%。
2) radiative corrections to the Higgs decay width H → γγ for large Higgs boson masses. Abstract This note is devoted to the calculation of the two-loop O(G F M H 2) radia-tive corrections to the Higgs decay width H → γγ for large values of the Higgs boson mass M H within the Minimal Standard Model. The use of the Equivalence Theorem makes it possible to reduce the problem to the consideration of the physical Higgs boson field and the Goldstone bosons w + , w − , z. We present analytical results for the various two-and three-particle absorptive parts of two-loop contributions, using dispersive techniques, analytic results for all but one of the dispersive contributions. The typical size of the correction is ∼ 30 percent for a Higgs boson mass of order 1 T eV .