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One loop QCD corrections to top quark decay into neutralino and light stop
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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Subject:
Keywords:
squark: top;
neutralino;
top: width;
quantum chromodynamics;
supersymmetry;
tree approximation;
correction: higher-order;
dimensional reduction;
interference: squark;
sparticle: mass;
numerical calculations;
bibliography;
Cite as:
chinaXiv:201612.00390
(or this versionchinaXiv:201612.00390V1)
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)
| Version History | ||||
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| [V1] | 2016-12-28 10:48:04 | chinaXiv:201612.00390V1 | Download | |
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