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题名: Distinguishing the right-handed up/charm quarks from the top quark via discrete symmetries in standard model extensions
作者: Huang, CS ;  Li, TJ ;  Wang, XC ;  Wu, XH
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:5, 页码:55003
关键词: DIRECT CP VIOLATION ;  HIGGS-BOSON ;  ATLAS DETECTOR ;  SEARCH ;  DECAYS ;  MSSM ;  LHC ;  COLLISIONS ;  UNITARITY ;  MU(-)
学科分类: Physics
DOI: 10.1103/PhysRevD.90.055003
通讯作者: Huang, CS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Huang, Chao-Shang ;  Li, Tianjun ;  Wang, Xiao-Chuan ;  Wu, Xiao-Hong] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China ;  [Li, Tianjun] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China ;  [Wu, Xiao-Hong] E China Univ Sci & Technol, Inst Modern Phys, Shanghai 200237, Peoples R China
英文摘要: We propose a class of the two Higgs doublet standard models (SMs) with a SM singlet and a class of supersymmetric SMs with two pairs of Higgs doublets, where the right-handed up/charm quarks and the right-handed top quark have different quantum numbers under extra discrete symmetries. Thus, the right-handed up and charm quarks couple to one Higgs doublet field, while the right-handed top quark couples to another Higgs doublet. The quark Cabibbo-Kobayashi-Maskawa mixings can be generated from the down-type quark sector. As one of the phenomenological consequences of our models, we explore whether one can accommodate the observed direct CP asymmetry difference in singly Cabibbo-suppressed D decays. We how that it is possible to explain the measured values of CP violation under relevant experimental constraints.
资助者: Natural Science Foundation of China [10075069, 11375248, 10821504, 11075194, 11135003, 11135009, 11275246]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000341264900007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15659
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Huang, CS,Li, TJ,Wang, XC,et al. Distinguishing the right-handed up/charm quarks from the top quark via discrete symmetries in standard model extensions[J]. PHYSICAL REVIEW D,2014,90(5):55003.
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