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

Submit Time: 2016-12-28
Author: Li,CS 1 ; Oakes,RJ 1 ; Yang,JM 1 ;
Institute: 1.Northwestern U.;

Abstracts

We calculate the one-loop QCD corrections to t → t ? χ ?0 using 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 → χ ?+j ?bi. 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 stop case with those in the mixing stop case.
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Recommended references: Li,CS,Oakes,RJ,Yang,JM.(2016).One loop QCD corrections to top quark decay into neutralino and light stop.[ChinaXiv:201612.00390] (Click&Copy)
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[V1] 2016-12-28 10:48:04 chinaXiv:201612.00390V1 Download
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