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Cao, JJ; Oakes, RJ; Wang, F; Yang, JM; Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China.
Supersymmetric effects in top quark decay into polarized W boson
Source PublicationPHYSICAL REVIEW D
KeywordParity-violating Supersymmetry Weinberg-salam Model Radiative-corrections Fermilab-tevatron Hadron Colliders Standard Model Higgs Bosons Electroweak Corrections Helicity Parameters Loop Calculations
AbstractWe investigate the one-loop supersymmetric QCD (SUSY-QCD) and electroweak (SUSY-EW) corrections to the top quark decay into a b quark and a longitudinal or transverse W boson. The corrections are presented in terms of the longitudinal ratio Gamma(t-->W(L)b)/Gamma(t-->Wb) and the transverse ratio Gamma(t-->W(-)b)/Gamma(t-->Wb). In most of the parameter space, both SUSY-QCD and SUSY-EW corrections to these ratios are found to be less than 1% in magnitude and they tend to have opposite signs. The corrections to the total width Gamma(t-->Wb) are also presented for comparison with the existing results in the literature. We find that our SUSY-EW corrections to the total width differ significantly from previous studies: the previous studies give a large correction of more than 10% in magnitude for a large part of the parameter space while our results reach only few percent at most.
2003
ISSN0556-2821
Volume68Issue:5Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13231
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China.
Recommended Citation
GB/T 7714
Cao, JJ,Oakes, RJ,Wang, F,et al. Supersymmetric effects in top quark decay into polarized W boson[J]. PHYSICAL REVIEW D,2003,68(5):-.
APA Cao, JJ,Oakes, RJ,Wang, F,Yang, JM,&Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China..(2003).Supersymmetric effects in top quark decay into polarized W boson.PHYSICAL REVIEW D,68(5),-.
MLA Cao, JJ,et al."Supersymmetric effects in top quark decay into polarized W boson".PHYSICAL REVIEW D 68.5(2003):-.
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