B - L model with A4 x Z3 x Z4 symmetry for 3+1 active-sterile neutrino mixing

被引：5

作者：

Vien, V. V. ^{[1
,2
]}

机构：

[1] Thu Dau Mot Univ, Inst Appl Technol, Thu Dau Mot City, Binh Duong Prov, Vietnam

[2] Tay Nguyen Univ, Dept Phys, Buon Ma Thuot, Daklak Province, Vietnam

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2022年 / 49卷 / 08期

关键词：

neutrino mass and mixing; extensions of electroweak Higgs sector; non-standard-model neutrinos; right-handed neutrinos; discrete symmetry; DOUBLE-BETA DECAY; LIGHT; PHENOMENOLOGY; LEPTOGENESIS; OSCILLATIONS; SCALE;

D O I：

10.1088/1361-6471/ac6a70

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We construct a B-L model with A(4) x Z(3) x Z(4) flavor symmetry that accounts for the recent 3 + 1 active-sterile neutrino data. The tiny neutrino mass and the mass hierarchy are obtained by the type-I seesaw mechanism. The hierarchy of the lepton masses is satisfied by a factor of nu H(nu l/Lambda)2 similar to 10(-4) GeV of the electron mass compared to the muon and tau masses of the order of nu(H)nu(l)/Lambda similar to 10(-1) GeV. The 3 + 1 active-sterile neutrino mixings are predicted to be 0.015 <= vertical bar U-14 vertical bar(2) <= 0.045, 0.004 <= vertical bar U-24 vertical bar(2) <= 0.012 and 0.004 <= vertical bar U-34 vertical bar(2) <= 0.014 for normal hierarchy while 0.020 <= vertical bar U-14 vertical bar(2) <= 0.045, 0.008 <= vertical bar U-24 vertical bar(2) <= 0.018 and 0.008 <= vertical bar U-34 vertical bar(2) <= 0.022 for inverted hierarchy. Sterile neutrino masses are predicted to be 0.7 less than or similar to m(s) (eV) less than or similar to 3.16 for normal hierarchy and 2.6 less than or similar to m(s) (eV) less than or similar to 7.1 for inverted hierarchy. For three neutrino scheme the model predicts 0.3401 <= sin(2) theta(12) <= 0.3415, 0.460 <= sin(2) theta(23) <= 0.540, -0.60 <= sin delta(CP) <= -0.20 for normal hierarchy and 0.3402 <= sin(2) theta(12) <= 0.3416, 0.434 <= sin(2) theta(23) <= 0.610, -0.95 <= sin delta(CP) <= -0.60 for inverted hierarchy.

引用

页数：28

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