国家自然科学基金(10975027)

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Top quark forward-backward asymmetry in the little Higgs model
《Chinese Physics C》2014年第11期16-21,共6页郭星导 张印杰 赵树民 冯太傅 袁煦浩 李学潜 
Supported by National Natural Science Foundation of China(10975027,11275036,11047002);Natural Science Foundation of Hebei Province(A2013201277,A2011201118);Natural Science Fund of Hebei University(2011JQ05,2007113);open project of State Key Laboratory of Mathematics-Mechanization(Y3KF311CJ1);Natural Science Fund of Hebei University(2011JQ05,2012-242)
A sizable difference in top quark pair forward backward asymmetry （AFB） is observed at Tevatron. The discrepancy triggers many new physics beyond the standard model （SM） and then constrains the parameter spaces in...
关键词：forward-backward asymmetry little Higgs model one-loop diagram Feynman amplitude 
Comprehensive analysis of e^+e^-→γηc(2S)
《Chinese Physics C》2013年第7期13-16,共4页高铁军 冯太傅 赵树民 寇丽娜 
Supported by National Natural Science Foundation of China (10975027, 10675027)
We discuss the production of ηc （2S） through the process e＋e- -→γηc （2S）, where the leading contributionoriginates from l-loop electroweak corrections. Adopting some reasonable light-cone distribution amplitu...
关键词：OZI-forbidden HADRONIZATION ηc（2S） 
Constraint on the warped space from → X_s γ
《Chinese Physics C》2013年第6期18-25,共8页陈建宾 冯太傅 高铁军 孙科盛 
Supported by National Natural Science Foundation of China(10975027)
We analyze the theoretical prediction on the branching ratio of B→Xsγ to order ∧^2EW/∧^2KK in extension of the standard model with a warped extra dimension and the custodial symmetry SU（3）c×SU（2）L×SU（2）R...
关键词：rare decay warped extra dimension Kaluza-Klein mode 
One-loop on-shell renormalization of MSSM vertexes
《Chinese Physics C》2013年第5期1-8,共8页赵树民 冯太傅 王芳 高铁军 张印杰 
Supported by National Natural Science Foundation (11047002, 10975027);Natural Science Foundation of Hebei Province in China (A2011201118)
The on-shell renormalization scheme for electroweak theory is well studied in the standard model （SM）, but a consistent on-shell renormalization scheme for the minimal supersymmetric standard model （MSSM） is still...
关键词：on-shell MSSM zero-momentum 
Two loop electroweak corrections from heavy fermions to b→s+γ
《Chinese Physics C》2010年第12期1797-1811,共15页杨秀一 冯太傅 
Supported by National Natural Science Foundation of China (10675027, 10975027)
Applying an effective Lagrangian method and an on-shell scheme, we analyze the electroweak corrections to the rare decay b→, s＋γ from some special two loop diagrams in which a closed heavy fermion loop is attached ...
关键词：two-loop inclusive decay 
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