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One-loop QCD corrections to top quark decay into a neutralino and light stop squark

Abstracts

We calculate the one-loop QCD corrections to t-->(t) over tilde(1)<(chi)over tilde>(0)(j) using the dimensional reduction scheme, including QCD and supersymmetric QCD corrections. The analytic expressions for the corrections to the decay width are given, which can easily be extended to t--><(chi)over tilde>(+)(j)(b) over tilde(i). The numerical results show that the correction amounts to more than a 10% reduction in the partial width relative to the tree level result. We also compare the corrections in the no-mixing top squark case with those in the mixing top squark case.
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Journal:PHYSICAL REVIEW D
Recommended references: Li, CS,Oakes, RJ,Yang, JM,Zhou, HY.(2016).One-loop QCD corrections to top quark decay into a neutralino and light stop squark.PHYSICAL REVIEW D.[ChinaXiv:201605.01790] (Click&Copy)
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[V1] 2016-05-16 01:22:26 chinaXiv:201605.01790V1 Download
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