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Hypergeometric presentation for one-loop contributing to H → Z γ
Progress of Theoretical and Experimental Physics Pub Date : 2020-05-01 , DOI: 10.1093/ptep/ptaa061
Khiem Hong Phan 1, 2 , Dzung Tri Tran 1, 2
Affiliation  

In this paper, new analytic formulas for one-loop contributing to Higgs decay channel $H \rightarrow Z\gamma$ are presented in terms of hypergeometric functions. The calculations are performed by following the technique for tensor one-loop reduction developed in [A.~I.~Davydychev, Phys.\ Lett.\ B {\bf 263} (1991) 107]. For the first time, one-loop form factors for the decay process are shown which are valid at arbitrary space-time dimension $d$.

中文翻译:

对 H → Z γ 有贡献的单环的超几何表示

在本文中,根据超几何函数提出了对希格斯衰变通道 $H\rightarrowZ\gamma$ 有贡献的单环的新解析公式。计算是通过遵循 [A.~I.~Davydychev, Phys.\Lett.\B {\bf 263} (1991) 107] 中开发的张量单环减少技术来执行的。首次展示了衰减过程的单循环形状因子,它们在任意时空维度 $d$ 上均有效。
更新日期:2020-05-01
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