SCOAP3 Repository 54 records found  1 - 10nextendSearch took 0.02 seconds. 
1. b→ sμ + μ − anomalies and related phenomenology in U 1 B 3 − x μ L μ − x τ L τ $$ \mathrm{U}{(1)}_{{\mathrm{B}}_3-{\mathrm{x}}_{\mu }{\mathrm{L}}_{\mu }-{\mathrm{x}}_{\tau }{\mathrm{L}}_{\tau }} $$ flavor gauge models / Ko, P. ; Nomura, Takaaki ; Yu, Chaehyun
We propose a generation dependent lepton/baryon gauge symmetry, U 1 B 3 − x μ L μ − x τ L τ ≡ U 1 X $$ \mathrm{U}{(1)}_{B_3-{x}_{\mu }{L}_{\mu }-{x}_{\tau }{L}_{\tau }}\equiv \mathrm{U}{(1)}_X $$ (with x μ + x τ = 1 for anomaly cancellation), as a possible solution for the b → sμ + μ − anomalies. [...]
Published in JHEP 1904 (2019) 102 10.1007/JHEP04(2019)102 arXiv:1902.06107
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2. 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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3. 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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4. 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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5. 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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6. ϵ K and ϵ ′/ ϵ in a diquark model / Chen, Chuan-Hung ; Nomura, Takaaki
Based on the calculations using the lattice QCD by the RBC-UKQCD collaboration and a large N c dual QCD, the resulting ϵ ′ /ϵ , which is less than the experimental data by more than a 2 σ in the standard model (SM), suggests the necessity of a new physics effect. [...]
Published in JHEP 1903 (2019) 009 10.1007/JHEP03(2019)009 arXiv:1808.04097
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7. 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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8. Neutrino mass in a gauged L μ  −  L τ model / Chen, Chuan-Hung ; Nomura, Takaaki
We study the origin of neutrino mass through lepton-number violation and spontaneous U(1)Lμ−Lτ symmetry breaking. [...]
Published in Nuclear Physics B 940 (2019) 292-311 10.1016/j.nuclphysb.2019.01.016
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9. Charged Higgs boson contribution to Bqν¯ and B¯(P,V)ν¯ in a generic two-Higgs doublet model / Chen, Chuan-Hung ; Nomura, Takaaki
We comprehensively study the charged Higgs boson contributions to the leptonic Bqν¯ (q=u, c) and semileptonic B¯Xqν¯ (Xu=π, ρ; Xc=D, D*) decays in the type-III two-Higgs doublet model. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.095007 arXiv:1803.00171
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10. ϵ ′ / ϵ from charged-Higgs-induced gluonic dipole operators / Chen, Chuan-Hung ; Nomura, Takaaki
We study the effect of charged-Higgs-induced chromomagnetic operator, Q8G(−)≡s¯σμνTaγ5dGaμν , on the Kaon direct CP violation Re(ϵ′/ϵ) . [...]
Published in Physics letters B 787 (2018) 182-187 10.1016/j.physletb.2018.11.006
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