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Nearly bimaximal neutrino mixing, muon g-2 anomaly, and lepton-flavor-violating processes
Xing ZZ(邢志忠); Xing, ZZ
2001
发表期刊PHYSICAL REVIEW D
卷号64期号:1页码:17304
通讯作者Xing, ZZ (reprint author), Inst High Energy Phys, POB 918, Beijing 100039, Peoples R China.
文章类型Article
摘要We interpret the newly observed muon g-2 anomaly in the framework of a leptonic Higgs doublet model with nearly degenerate neutrino masses and nearly bimaximal neutrino mixing. Useful constraints are obtained on the rates of lepton-flavor-violating rare decays tau --> mu gamma, mu -->e gamma and tau -->e gamma well as the mu -e conversion ratio R-mue. We find that Gamma(mu -->e gamma), Gamma(tau -->e gamma) and R-mue depend crucially on possible nonzero but small values of the neutrino mixing matrix element V-e3, and they are also sensitive to the Dirac-type CP-violating phase. In particular, we show that In particular, we show that Gamma(tau --> mu gamma)/m(tau)(5), Gamma(mu -->e gamma )m(mu)(5) and Gamma(tau -->e gamma )m(tau)(5) are approximately in the ratio 1:2 \V-e3\ (2):2 \V-e3\ (2) if \ Ve3 \ is much large is much larger than O(10(-2)), and in the ratio 2(Deltam(atm)(2))(2):(Deltam(sun)(2))(2):(Deltam(sun)(2))(2) if \V-e3\ is much lower than O( 10(-3)), where Deltam(atm)(2) and Deltam(sun)(2) are the corresponding mass-squared differences of atmospheric and solar neutrino oscillations.
学科领域Astronomy & Astrophysics; Physics
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000169619300094
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被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227881
专题理论物理室
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Xing ZZ,Xing, ZZ. Nearly bimaximal neutrino mixing, muon g-2 anomaly, and lepton-flavor-violating processes[J]. PHYSICAL REVIEW D,2001,64(1):17304.
APA 邢志忠,&Xing, ZZ.(2001).Nearly bimaximal neutrino mixing, muon g-2 anomaly, and lepton-flavor-violating processes.PHYSICAL REVIEW D,64(1),17304.
MLA 邢志忠,et al."Nearly bimaximal neutrino mixing, muon g-2 anomaly, and lepton-flavor-violating processes".PHYSICAL REVIEW D 64.1(2001):17304.
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