SCOAP3 Repository 46 records found  1 - 10nextendSearch took 0.17 seconds. 
1. Inverse seesaw model with large SU (2) L multiplets and natural mass hierarchy / Nomura, Takaaki ; Okada, Hiroshi
We propose an inverse seesaw model with large SU(2)L multiplet fields which realizes natural mass hierarchies among neutral fermions. [...]
Published in Physics letters B 792 (2019) 424-429 10.1016/j.physletb.2019.04.006
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2. Dark matter and B-meson anomalies in a flavor dependent gauge symmetry / Hutauruk, Parada T. P. ; Nomura, Takaaki ; Okada, Hiroshi ; Orikasa, Yuta
A possibility of explaining the anomalies in the semileptonic B-meson decay BK*μμ¯ has been explored in the framework of the gauged U(1)μτ symmetry. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.055041 arXiv:1901.03932
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3. Linear seesaw model with hidden gauge symmetry / Nomura, Takaaki ; Okada, Hiroshi
We propose a natural realization of a linear seesaw model with hidden gauge symmetry in which SU(2)L triplet fermions and one extra Higgs singlet, doublet, and quartet scalar are introduced. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.055033 arXiv:1806.07182
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4. Inverse seesaw model with a natural hierarchy at the TeV scale / Nomura, Takaaki ; Okada, Hiroshi
We propose a new kind of inverse seesaw model without any additional symmetries. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.055027 arXiv:1807.04555
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5. A two loop radiative neutrino model / Baek, Seungwon ; Okada, Hiroshi ; Orikasa, Yuta
We explore the possibility to explain a bosonic dark matter candidate with a gauge singlet inside the loop to generate the neutrino mass matrix at two-loop level. [...]
Published in Nuclear Physics B 941 (2019) 744-754 10.1016/j.nuclphysb.2019.03.002
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6. Radiative neutrino mass in an alternative U (1) B − L gauge symmetry / Nomura, Takaaki ; Okada, Hiroshi
We propose a neutrino model in which neutrino masses are generated at one loop level and three right-handed fermions have non-trivial charges under U(1)B−L gauge symmetry in no conflict with anomaly cancellation. [...]
Published in Nuclear Physics B 941 (2019) 586-599 10.1016/j.nuclphysb.2019.02.025
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7. CP violation of quarks in A 4 modular invariance / Okada, Hiroshi ; Tanimoto, Morimitsu
We discuss the quark mass matrices in the A4 modular symmetry, where the A4 triplet of Higgs is introduced for each up-quark and down-quark sectors, respectively. [...]
Published in Physics letters B 791 (2019) 54-61 10.1016/j.physletb.2019.02.028
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8. A model with flavor-dependent gauged symmetrySupported by National Center for Theoretical Sciences and MoST (MoST-104-2112-M-007-003-MY3 and MoST-107-2119-M-007-013-MY3) / Mu, Linping ; Okada, Hiroshi ; Geng, Chao-Qiang
We propose a new model with flavor-dependent gauged symmetry in addition to the flavor-blind symmetry in the Standard Model. [...]
Published in Chinese Phys. C 42 (2018) 123106 10.1088/1674-1137/42/12/123106 arXiv:1803.05633
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9. Predictive neutrino mass textures with origin of flavor symmetries / Kobayashi, Tatsuo ; Nomura, Takaaki ; Okada, Hiroshi
We investigate origins of predictive one-zero neutrino mass textures in a systematic way. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.055025 arXiv:1805.07101
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10. Neutrino mass generation with large SU (2) L multiplets under local U(1)Lμ−Lτ symmetry / Nomura, Takaaki ; Okada, Hiroshi
We propose a model of neutrino mass matrix with large SU(2) multiplets and gauged U(1)Lμ−Lτ symmetry, in which we introduce SU(2) quartet scalar and quintet fermions with nonzero Lμ−Lτ charge. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.07.011
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