Realistic fermion mass and mixing in U(1)L model with A4 flavor symmetry for majorana neutrino

被引:0
|
作者
Vien, V. V. [1 ]
机构
[1] Tay Nguyen Univ, Dept Phys, Buon Ma Thuot City, Daklak, Vietnam
关键词
Flavor symmetries; Quark and lepton masses and mixing; Extensions of electroweak gauge sector; Neutrino mass and mixing; Non-standard-model neutrinos; Right-handed neutrinos; A4 discrete symmetry; LINEAR SEESAW; STANDARD MODEL; A(4) SYMMETRY; L EXTENSION; VIOLATION; MATRICES;
D O I
10.1007/s12648-024-03375-1
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We propose a U(1)(L) model based on A4 symmetry aiming to explain the smallness of neutrino masses as well as the quark and lepton mixing patterns. The smallness of Majorana neutrino mass is reproduced through the combination of type-I and -II seesaw mechanisms. The model can accommodate the current observed patterns of lepton and quark mixing in which the solar neutrino mixing angle and the Dirac CP violating phase are in 3 sigma range for both normal hierarchy and inverted hierarchy, the Majorana violating phases are predicted to be eta(1)is an element of(0.00,9.76)(degrees) and eta(2)is an element of(68.70,270.00)(degrees) for normal hierarchy while eta(1)is an element of(0.00,10.83)(degrees) and eta(2)is an element of(78.60,90.00)(degrees) for inverted hierarchy. The obtained sum of neutrino mass and the effective Majorana neutrino mass are in good consistent with the recent limits. For quark sector, all the quark masses can get the best-fit values and all the elements of the quark mixing matrix are in agreement with the experimental constraints except the element (V-CKM)(21) with a deviation about 0.25%.
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页数:19
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