FCNC

作品数:11被引量:3H指数:1
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相关领域:理学更多>>
相关作者:王磊韩小芳王帅伟杨硕鲁公儒更多>>
相关机构:中国科学技术大学辽宁师范大学河南师范大学济南第一机床有限公司更多>>
相关期刊:《Communications in Theoretical Physics》《河南师范大学学报(自然科学版)》《Frontiers of physics》《Chinese Physics C》更多>>
相关基金:国家自然科学基金教育部“新世纪优秀人才支持计划”山东省自然科学基金国家重点基础研究发展计划更多>>
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A private SUSY 4HDM with FCNC in the up-sector
《Chinese Physics C》2021年第2期326-340,共15页M.A.Arroyo-Ureña Lorenzo Díaz-Cruz Bryan O.Larios-López M.A.Pérez de León 
We present a SUSY model with four Higgs doublets of the"private type,"in which all fermion types(up,down,and charged leptons)obtain their masses from a different Higgs doublet H_f(f=u_1,d,e) .The conditions for anomal...
关键词:Higgs physics top quark SUPERSYMMETRY collider physics 
LHCb anomaly in B→K~*μ^+μ^- optimised observables and potential of Z' model
《Chinese Physics C》2018年第6期23-36,共14页Ishtiaq Ahmed Abdur Rehman 
Over the last few years LHCb found some discrepancies in b → sl^+l^-FCNC transitions, including anomalies in the angular observables of B→K^*μ^+μ^-, particularly in P′5, in the low dimuon mass region. Recently...
关键词:FCNC new physics semileptonic B meson decays 
Prospects for rare and forbidden hyperon decays at BESⅢ
《Frontiers of physics》2017年第5期1-10,共10页Hai-Bo Li 
Acknowledgements The author would like to thank Stephen L. Olsen, I. I. Bigi, and Xu Feng for useful discussions and suggestions and also J. G. K&rner, Francesco Dettori, and J. Tandean for their useful comments. This work is supported in part by the National Natural Science Foundation of China under Contracts Nos. 11335009 and 11125525, the Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1532257, CAS under Contract No. QYZDJ-SSW-SLH003, and the National Key Basic Research Program of China under Contract No. 2015CB856700.
The study of hyperon decays at the Beijing Electron Spectrometer Ⅲ (BESⅢ) is proposed to investigate the events of J/φ decay into hyperon pairs, which provide a pristine experimental environment at the Beijing El...
关键词:BESⅢ J/φ decay HYPERON rare decay FCNC lepton flavor violation 
Rare Higgs three body decay induced by top-Higgs FCNC coupling in the littlest Higgs model with T-parity
《Chinese Physics C》2017年第4期21-26,共6页杨炳方 刘志勇 刘宁 
Supported by National Natural Science Foundation of China(11305049,11405047);Startup Foundation for Doctors of Henan Normal University(11112,qd15207);Education Department Foundation of Henan Province(14A140010)
Motivated by the search for flavor-changing neutral current(FCNC) top quark decays at the LHC,we calculate the rare Higgs three body decay H→Wbc induced by top-Higgs FCNC coupling in the littlest Higgs model with T...
关键词:HIGGS littlest Higgs model with T-parity rare decay 
General scan in flavor parameter space in models with vector quark doublets and an enhancement in the B→X_sγ process
《Chinese Physics C》2016年第9期20-28,共9页王雯宇 熊兆华 赵新彦 
Supported by Natural Science Foundation of China(11375001);Talents Foundation of Education Department of Beijing
In models with vector-like quark doublets, the mass matrices of up and down type quarks are related.Precise diagonalization of the mass matrices has become an obstacle in numerical studies. In this work we first propo...
关键词:FCNC vector like particle CKM matrix 
Searching for new physics in D^0→μ^+ μ^-,e^+e^-,μ~±e~■ at BES and/or the super charm-tau factory
《Chinese Physics C》2014年第10期1-8,共8页贾连宝 赵明刚 柯红卫 李学潜 
Supported by National Natural Science Foundation of China(11375128)
In contrast with B0-ˉB0, Bs-ˉBs mixing where the standard model(SM) contributions overwhelm that of the new physics beyond standard model(BSM), a measured relatively large D0-ˉD0mixing where the SM contribution...
关键词:UNPARTICLE non-universal Z' leptonic rare decay FCNC BSM 
Flavor Changing Top Quark Decay and Bottom-Strange Production in the Littlest Higgs Model with T-parity
《Communications in Theoretical Physics》2013年第4期443-450,共8页侯洪生 孙昊 周雅瑾 
Supported by the National Natural Science Foundation of China under Grant Nos.11105083,10947139,10947022,11105036,11147151, and 11205070;Shandong Province Natural Science Foundation under Grant No.ZR2012AQ017
Flavor changing effects on the processes t → cA, e^+e^- → bs^-, e^+e^- →bs^-h and pp → bs^- in the LHT model are investigated in this paper. We calculate the one-loop level contributions from the T-parity odd mi...
关键词:LHT FCNC 
Z′particles and e^+ e^- → τ^+ μ^-被引量:1
《Science China(Physics,Mechanics & Astronomy)》2010年第11期1988-1991,共4页TieJun Gao TaiFu Feng XueQian Li ZongGuo Si ShuMin Zhao 
supported by the National Natural Science Foundation of China (Grant Nos.10975027,10675027,and 10775073)
We analyze the cross section of e + e-→τ + μ-within the frameworks of SM and its Z extension.The theoretical prediction of the SM on the total cross section is suppressed by the tiny neutrino masses.On the other ha...
关键词:Z′model FCNC 
Study of Top Quark FCNC被引量:1
《Communications in Theoretical Physics》2009年第10期662-664,共3页M.Mohammadi Najafabadi N.Tazik 
We study the one-loop contribution of the effective flavor changing neutral couplings (FCNC) tcZ on the charm quark electric dipole moment. Using the known limits on the top and charm quarks electric dipole moments,...
关键词:top quark flavor changing neutral current 
最小Higgs模型在ILC上可能的味改变物理迹象被引量:1
《高能物理与核物理》2007年第3期236-239,共4页岳崇兴 杨硕 王磊 
国家自然科学基金(10475037);全国高等院校新世纪优秀人才基金(NCET-04-0290)资助~~
在最小Higgs(LH)模型中,由于引进了类矢量顶夸克T,对弱作用流产生了新的影响.CKM矩阵从3×3变为4×3,在树图下出现味改变中性流(FCNC).本文研究了在国际高能直线对撞机(ILC)上能否通过e+e-→c+c和e+e-→WWveve→(c+c)veve过...
关键词:LH模型 味改变中性流(FCNC) 自由参数 
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