Commutators of lepton mass matrices associated with the seesaw and leptogenesis mechanisms
Wang, YK; 邢志忠;Xing, ZZ
刊名PHYSICAL REVIEW D
2014
卷号89期号:9页码:97301
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.89.097301
英文摘要The origin of tiny neutrino masses and the baryon number asymmetry of the Universe are naturally interpreted by the canonical seesaw and leptogenesis mechanisms, in which there are the heavy Majorana neutrino mass matrix M-R, the Dirac neutrino mass matrix M-D, the charged-lepton mass matrix M-l, and the effective (light) neutrino mass matrix M-nu. We find that Im(det[(MDMD)-M-dagger, (MRMR)-M-dagger]), Im(det[MlMl dagger, M nu M nu dagger]), and Im(det[MlMl dagger, MDMD dagger]) can serve as a basis-independent measure of CP violation associated with lepton-number-violating decays of heavy neutrinos, flavor oscillations of light neutrinos, and lepton-flavor-violating decays of charged leptons, respectively. We first calculate these quantities with the help of a standard parametrization of the 6 x 6 flavor mixing matrix, then discuss their implications on both leptogenesis and CP violation at low energy scales. A comparison is also made with the weak-basis invariants of leptogenesis, as proposed by Branco et al.
收录类别SCI
WOS记录号WOS:000336841700011
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被引频次:1[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/311005/225274
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Wang, YK,邢志忠;Xing, ZZ. Commutators of lepton mass matrices associated with the seesaw and leptogenesis mechanisms[J]. PHYSICAL REVIEW D,2014,89(9):97301.
APA Wang, YK,&邢志忠;Xing, ZZ.(2014).Commutators of lepton mass matrices associated with the seesaw and leptogenesis mechanisms.PHYSICAL REVIEW D,89(9),97301.
MLA Wang, YK,et al."Commutators of lepton mass matrices associated with the seesaw and leptogenesis mechanisms".PHYSICAL REVIEW D 89.9(2014):97301.
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