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.
Rights:	https://creativecommons.org/licenses/by/4.0/
Type:	article
URI:	http://hdl.handle.net/2115/79979
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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