102 citations · 228 across the 31 of their papers we have counts for
31 papers
Chiral perturbative reconstruction of the complex orthogonal matrix in Casas--Ibarra parameterization
Masaki J. S. Yang
In this letter, we perform a chiral perturbative analysis by singular values of the Dirac mass matrix for the type-I seesaw mechanism. In the basis where $m_{D} =…
General solutions for TM mixing in the minimal type-I seesaw mechanism and phenomenological constraints to Yukawa matrix of neutrinos
Masaki J. S. Yang
In this paper, we concisely represent the general solution for the TM mixing in the type-I minimal seesaw mechanism and show phenomenological constraints of the Yukawa matr…
Model Building by Coset Space Dimensional Reduction Scheme Using Twelve-Dimensional Coset Spaces
Kento Asai, Joe Sato, Ryosuke Suda +2
We investigate the twelve-dimensional gauge-Higgs unification models with an eight-dimensional coset space. For each model, we apply the coset space dimensional reduction procedure…
Chiral perturbative relation for neutrino masses in the type-I seesaw mechanism
Masaki J. S. Yang
In this letter, we perform a perturbative analysis by the lightest singular value of the Dirac mass matrix in the type-I seesaw mechanism. A mass relation $M_{1} =…
Chiral perturbative analysis for an almost massless neutrino in the type-I seesaw mechanism
Masaki J. S. Yang
In this paper, we perform chiral perturbative analysis of an approximate lepton number symmetry associated with a sufficiently light neutrino in the type-I seesaw mechanism. For th…
expansion of the type-I seesaw mechanism and partial symmetry for TM mixing
Masaki J. S. Yang
We consider an expansion of the type-I seesaw mechanism by the inverse of the 3-3 matrix element of the mass matrix of right-handed neutrinos . Conditions o…
Analytic structure of the MNS matrix with diagonal reflection symmetries
Masaki J. S. Yang
In this paper, we survey the analytic structure of the MNS matrix with diagonal reflection symmetries. If the mass matrix of charged leptons is hierarchical (i.e., $|(m_{e}…
Conditions of general symmetry and TM mixing for the minimal type-I seesaw mechanism in an arbitrary basis
Masaki J. S. Yang
In this paper, using a formula for the minimal type-I seesaw mechanism by (or generalized Cholesky) decomposition, conditions of general -invariance for the neutri…
A formula by decomposition for the minimal type-I seesaw mechanism and conditions of symmetry in an arbitrary basis
Masaki J. S. Yang
In this paper, defining a formula by decomposition for the minimal type-I seesaw mechanism, we obtain conditions of symmetry for the neutrino mass matrix in an a…
A general formula by decomposition for the type-I seesaw mechanism
Masaki J. S. Yang
By performing an approximate spectral decomposition to the inverse mass matrix of the right-handed neutrinos , we obtain a basis-independent formula for the type-I seesaw m…
Conditions of naturalness and fine-tunings for type-I seesaw mechanism with four-zero texture
Masaki J. S. Yang
In this paper, we search for conditions that the mass matrix of light neutrinos is not a result of large cancellations for the type-I seesaw mechanism with four-zero texture.…
Diagonal reflection symmetries, four-zero texture, and trimaximal mixing with predicted in an symmeric model
Masaki J. S. Yang
In this paper, we impose a magic symmetry on the neutrino mass matrix with universal four-zero texture and diagonal reflection symmetries. Due to the magic symmetry, the MNS…
Almost exact diagonal reflection symmetries and three-zero texture
Masaki J. S. Yang
In this paper, we consider a three-zero texture with diagonal reflection symmetries in the SM. The three-zero texture has two less assumptions ()…
Resolving the Hubble tension in a U(1) model with Majoron
Takeshi Araki, Kento Asai, Kei Honda +4
In this paper, we explore possibilities of resolving the Hubble tension and anomaly simultaneously in a U(1) model with Majoron. We only focus on a case wher…
Diagonal reflection symmetries and universal four-zero texture
Masaki J. S. Yang
In this paper, we consider a set of new symmetries in the SM, {\it diagonal reflection} symmetries with diag $(-1,1…
Interplay between - reflection symmetry, four-zero texture and universal texture
Masaki J. S. Yang
In this letter, we consider exact reflection symmetries for quarks and leptons. Fermion mass matrices are assumed to be four-zero textures for charged fermions an…
Lopsided texture compatible with thermal leptogenesis in partially composite Pati--Salam unification
Masaki J. S. Yang
In this paper, we consider a lopsided flavor texture compatible with thermal leptogenesis in partially composite Pati--Salam unification. The Davidson--Ibarra bound $M_{νR1} \gtrsi…
Flavor structure from flavored Higgs mixing
Masaki J. S. Yang
In this paper, we suggest a simple model which induces realistic flavor structure from mixing of flavored Higgs doublets. The idea is based on the decoupling limit. In a model with…
Flavor structure from misalignment of inner products in noncommutative geometry
Masaki J. S. Yang
In this letter, we consider an idea that induces flavor structure from inner products in noncommutative geometry. Assuming proper components of vectors in enlarged re…
A possibility on prohibition of Higgs mass by the extended Lorentz transformation in noncommutative geometry
Masaki J. S. Yang
In this letter, we propose the extended Lorentz transformation in noncommutative geometry, as a possibility on prohibition of the Higgs mass. Since it is difficult to build the sym…
Analysis of right-handed Majorana neutrino mass in an Pati--Salam model with democratic texture
Masaki J. S. Yang
In this paper, we attempt to build an unified model with democratic texture, that have some unification between and . Since the flavor symmetry…
Hierarchical majorana neutrinos from democratic mass matrices
Masaki J. S. Yang
In this paper, we obtain the light neutrino masses and mixings consistent with the experiments, in the democratic texture approach. The essential ansatz is that are assume…
Reconstruction of the standard model with classical conformal invariance in noncommutative geometry
Masaki J. S. Yang
In this paper, we derive the standard model with classical conformal invariance from the Yang--Mills--Higgs model in noncommutative geometry (NCG). In the ordinary context of the N…
Nilpotent Matrix Representation of Exterior Derivative Operator in Noncommutative Geometry
Masaki J. S. Yang
In this letter, we show a nilpotent matrix representation of the exterior derivative operator in noncommutative geometry (NCG), by translating the noncommutative relations of the a…