SCOAP3 Repository 16 records found  1 - 10nextSearch took 0.16 seconds. 
1. 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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2. 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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3. 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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4. Re (ϵ K ′ /ϵ K ) and K → π ν ν ¯ $$ K\to \pi \nu \overline{\nu} $$ in a two-Higgs doublet model / Chen, Chuan-Hung ; Nomura, Takaaki
The Kaon direct CP violation Re (ϵ K ′ /ϵ K ) below the experimental data of a 2 σ in the standard model, which is calculated using the RBC-UKQCD lattice and a large N c dual QCD, indicates the necessity of a new physics effect. [...]
Published in JHEP 1808 (2018) 145 10.1007/JHEP08(2018)145 arXiv:1804.06017
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5. Explaining the DAMPE e+e excess using the Higgs triplet model with a vector dark matter / Chen, Chuan-Hung ; Chiang, Cheng-Wei ; Nomura, Takaaki
We explain the e+e excess observed by the DAMPE Collaboration using a dark matter model based upon the Higgs triplet model and an additional hidden SU(2)X gauge symmetry. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.061302 arXiv:1712.00793
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6. Penguin b→sℓ′+ℓ′− and B -meson anomalies in a gauged L μ − L τ / Chen, Chuan-Hung ; Nomura, Takaaki
The Z′ -gauge boson in an U(1)Lμ−Lτ gauge symmetry has two interesting features: one is its vector couplings to the charged leptons, and the other is the decoupling from the electron. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2017.12.062
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7. Excesses of muon g − 2, RD(⁎) , and RK(⁎) in a leptoquark model / Chen, Chuan-Hung ; Nomura, Takaaki ; Okada, Hiroshi
In this study, we investigate muon g−2 , RK(⁎) , and RD(⁎) anomalies in a specific model with one doublet, one triplet, and one singlet scalar leptoquark (LQ). [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.10.005
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8. Charged-Higgs on RD(∗) , τ polarization, and FBA / Chen, Chuan-Hung ; Nomura, Takaaki
We study the influence of a charged-Higgs on the excess of branching fraction ratio, RM=BR(B¯→Mτν¯τ)/BR(B¯→Mℓν¯ℓ) (M=D,D∗) , in a generic two-Higgs-doublet model. [...]
Published in EPJC 77 (2017) 631 10.1140/epjc/s10052-017-5198-6
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9. Search for a light-charged Higgs in a two-Higgs-doublet type II seesaw model at the LHC / Chen, Chuan-Hung ; Nomura, Takaaki
A charged Higgs in the type II two-Higgs-doublet model (THDM) has been bounded to be above a few hundred GeV by the radiative B decays. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.01.080
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10. Light gauge boson in rare K decay / Chen, Chuan-Hung ; Nomura, Takaaki
We study the production of a light gauge boson in K−→π−X decay, where the associated new charge current is not conserved. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.10.063
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SCOAP3 Repository : 16 records found   1 - 10next
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