Lepton masses and mixing from modular S4 symmetry

被引:177
作者
Penedo, J. T. [1 ]
Petcov, S. T. [1 ,2 ,3 ]
机构
[1] SISSA, INFN, Via Bonomea 265, I-34136 Trieste, Italy
[2] Univ Tokyo, Kavli IPMU WPI, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778583, Japan
[3] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia 1784, Bulgaria
关键词
INVARIANCE;
D O I
10.1016/j.nuclphysb.2018.12.016
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We study models of lepton masses and mixing based on broken modular invariance. We consider invariance under the finite modular group Gamma(4) similar or equal to S-4 and focus on the minimal scenario where the expectation value of the modulus is the only source of symmetry breaking, such that no flavons need to be introduced. After constructing a basis for the lowest weight modular forms, we build two minimal models, one of which successfully accommodates charged lepton masses and neutrino oscillation data, while predicting the values of the Dirac and Majorana CPV phases. (C) 2018 The Authors. Published by Elsevier B.V.
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页码:292 / 307
页数:16
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