Search Results - "Yang, Masaki J.S."
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Conditions of general Z2 symmetry and TM1,2 mixing for the minimal type-I seesaw mechanism in an arbitrary basis
Published in Nuclear physics. B (01-09-2022)“…In this paper, using a formula for the minimal type-I seesaw mechanism by LDLT (or generalized Cholesky) decomposition, conditions of general Z2-invariance for…”
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Chiral perturbative analysis for an almost massless neutrino in the type-I seesaw mechanism
Published in Nuclear physics. B (01-09-2023)“…In this paper, we perform chiral perturbative analysis of an approximate lepton number symmetry associated with a sufficiently light neutrino in the type-I…”
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Chiral perturbative relation for neutrino masses in the type-I seesaw mechanism
Published in Physics letters. B (10-08-2023)“…In this letter, we perform a perturbative analysis by the lightest singular value mD1 of the Dirac mass matrix mD in the type-I seesaw mechanism. A mass…”
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Almost exact diagonal reflection symmetries and three-zero texture
Published in Nuclear physics. B (01-11-2021)“…In this paper, we consider the three-zero texture with diagonal reflection symmetries in the SM. The three-zero texture has two less assumptions…”
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Interplay between exact μ − τ reflection symmetries, four-zero texture and universal texture
Published in Physics letters. B (10-07-2020)“…In this letter, we consider exact μ−τ reflection symmetries for quarks and leptons. Fermion mass matrices are assumed to be four-zero textures for charged…”
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Hierarchical majorana neutrinos from democratic mass matrices
Published in Physics letters. B (10-09-2016)“…In this paper, we obtain the light neutrino masses and mixings consistent with the experiments, in the democratic texture approach. The essential ansatz is…”
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QCD corrections to neutron electric dipole moment from dimension-six four-quark operators
Published in Physics letters. B (18-07-2012)“…In this Letter, the renormalization-group equations for the (flavor-conserving) CP-violating interaction are derived up to the dimension six, including all the…”
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Conditions of naturalness and fine-tuning for the type-I seesaw mechanism with four-zero texture
Published in Progress of theoretical and experimental physics (01-04-2022)“…Abstract In this paper, we search for conditions under which the mass matrix of light neutrinos mν is not a result of large cancellations for the type-I seesaw…”
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Upward muon signals at neutrino detectors as a probe of dark matter properties
Published in Physics letters. B (06-07-2009)“…We study upward muon flux at neutrino detectors such as Super-Kamiokande resulting from high-energy neutrinos produced by the dark matter annihilation/decay at…”
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Model building by coset space dimensional reduction scheme using eight-dimensional coset spaces
Published in The journal of high energy physics (29-11-2023)“…A bstract We investigate the twelve-dimensional gauge-Higgs unification models with an eight- dimensional coset space as the extra space. For each model, we…”
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Flavor structure from misalignment of inner products in noncommutative geometry
Published in The journal of high energy physics (01-01-2018)“…A bstract In this letter, we consider an idea that induces flavor structure from inner products in noncommutative geometry. Assuming proper components of…”
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Reconstruction of the standard model with classical conformal invariance in noncommutative geometry
Published in Progress of theoretical and experimental physics (01-03-2016)“…In this paper, we derive the standard model with classical conformal invariance from the Yang–Mills–Higgs model in noncommutative geometry (NCG). In the…”
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SU(5) orbifold GUT in noncommutative geometry
Published in Progress of theoretical and experimental physics (01-09-2015)“…In this paper, we apply the orbifold GUT mechanism to the SU(5) model in noncommutative geometry, including the fermionic sector. Imposing proper parity…”
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A symmetry-breaking mechanism by parity assignment in the noncommutative Higgs model
Published in Progress of theoretical and experimental physics (01-04-2015)“…We apply the orbifold grand unified theory (GUT) mechanism to the noncommutative Higgs model. An assignment of $Z_{2}$ parity to the “constituent fields”…”
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