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题名: SU(3)(F) gauge family model and new symmetry breaking scale from FCNC processes
作者: Bao, SS ;  Liu, Z ;  Wu, YL
刊名: NUCLEAR PHYSICS B
出版日期: 2016
卷号: 904, 页码:1-17
学科分类: Physics
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2016.01.002
通讯作者: Bao, SS (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.
文章类型: Article
英文摘要: Based on the SU(3)(F) gauge family symmetry model which was proposed to explain the observed mass and mixing pattern of neutrinos, we investigate the symmetry breaking, the mixing pattern in quark and lepton sectors, and the contribution of the new gauge bosons to some flavour changing neutral currents (FCNC) processes at low energy. With the current data of the mass differences in the neutral pseudo-scalar P-0-(P) over bar (0) systems, we find that the SU(3)(F) symmetry breaking scale can be as low as 300 TeV and the mass of the lightest gauge boson be about 100 TeV. Other FCNC processes, such as the lepton flavour number violation process mu(-) -> e(-)e(+)e(-) and the semi-leptonic rare decay K -> pi(nu) over bar nu, contain contributions via the new gauge bosons exchanging. With the constrains obtained from P-0-(P) over bar (0) system, we estimate that the contribution of the new physics is around 10(-16), far below the current experimental bounds. (C) 2016 The Authors. Published by Elsevier B.V.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: MINIMAL FLAVOR VIOLATION ;  CP-VIOLATION ;  STANDARD MODEL ;  BARYON ASYMMETRY ;  NEUTRINO MASSES ;  DEGENERATE NEUTRINOS ;  LEPTON-FLAVOR ;  DARK-MATTER ;  TEMPERATURE ;  PARAMETRIZATION
收录类别: SCI
项目资助者: National Natural Science Foundation of China (NSFC) [10821504, 10975170, 11405095] ;  Chinese Academy of Sciences
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21750
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Bao, SS,Liu, Z,Wu, YL. SU(3)(F) gauge family model and new symmetry breaking scale from FCNC processes[J]. NUCLEAR PHYSICS B,2016,904:1-17.
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