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题名: Suggestion for measuring the weak dipole moment of tau lepton at Z factory
作者: Xu, QJ;  Chang, CH
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 91, 期号:1, 页码:13011
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.91.013011
通讯作者: Xu, QJ (reprint author), Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China.
文章类型: Article
英文摘要: Three new observables for Z factory to measure the weak dipole moment of tau lepton (d(w)(tau)) are proposed. As those observables are employed at LEP-I, the new observables depend on the real and imaginary parts of d(w)(tau) linearly; thus, we calculate the slopes, i.e., the linear coefficients of the dependence, precisely and find that the obtained slopes are much lager than those employed at LEP-I. It means that the signal for the weak dipole moment d(w)(tau) may be enhanced quite a lot if one employs the new observables. Being superior to those at LEP-I, we recommend measuring the weak dipole moment d(w)(tau) in terms of the new observables if reanalyzing the data of LEP-I or doing the measurement at a possible Z factory in the near future.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: CP VIOLATION ;  SEARCH ;  POLARIZATION ;  INVARIANCE ;  LIMIT
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11275243, 11147001, 11147023, 11305044] ;  State Key Laboratory of Theoretical Physics [Y3KF311CJ1] ;  Zhejiang Provincial Natural Science Foundation of China [LQ12A05003]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21106
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Xu, QJ,Chang, CH. Suggestion for measuring the weak dipole moment of tau lepton at Z factory[J]. PHYSICAL REVIEW D,2015,91(1):13011.
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