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Modular S-3-invariant flavor model in SU(5) grand unified theory

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Title: Modular S-3-invariant flavor model in SU(5) grand unified theory
Authors: Kobayashi, Tatsuo Browse this author →KAKEN DB
Shimizu, Yusuke Browse this author
Takagi, Kenta Browse this author
Tanimoto, Morimitsu Browse this author
Tatsuishi, Takuya H. Browse this author
Issue Date: May-2020
Publisher: Oxford University Press
Journal Title: Progress of theoretical and experimental physics
Volume: 2020
Issue: 5
Start Page: 053B05
Publisher DOI: 10.1093/ptep/ptaa055
Abstract: We present a flavor model with S-3 modular invariance in the framework of SU(5) grand unified theory (GUT). The S-3 modular forms of weights 2 and 4 give the quark and lepton mass matrices with a common complex parameter, the modulus t. The GUT relation of down-type quarks and charged leptons is imposed by the vacuum expectation value (VEV) of the adjoint 24-dimensional Higgs multiplet in addition to the VEVs of 5 and (5) over bar Higgs multiplets of SU(5). The observed Cabibbo-Kobayashi-Maskawa and Pontecorvo-Maki-Nakagawa-Sakata mixing parameters as well as the mass eigenvalues are reproduced properly. We discuss the leptonic charge-parity phase and the effective mass of the neutrinoless double beta decay with the sum of neutrino masses.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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