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相关论文: A four-loop Radiative Seesaw Model

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We propose a realisation of inverse seesaw model controlled by hidden $U(1)$ gauge symmetry, and discuss the impact of a bosonic dark matter (DM) candidate by imposing a $Z_2$ parity. We present the detail of scalar spectra and apply the…

高能物理 - 唯象学 · 物理学 2019-10-25 Haiying Cai , Takaaki Nomura , Hiroshi Okada

We study a three loop induced radiative neutrino model with global $U(1)$ symmetry at TeV scale, in which we consider two component dark matter particles. We discuss the possibility to explain the X-ray line signal at about 3.55 keV…

高能物理 - 唯象学 · 物理学 2014-11-05 Hiroshi Okada , Yuta Orikasa

We study the neutrino sector in a minimal $SU(3)_L\times U(1)_X$ model, in which its mass is generated at one-loop level with the charged lepton mass, and hence there exists a strong correlation between the charged-lepton mass and the…

高能物理 - 唯象学 · 物理学 2016-04-20 Hiroshi Okada , Nobuchika Okada , Yuta Orikasa

We propose a two-loop induced neutrino mass model, in which we show some bench mark points to satisfy the observed neutrino oscillation, the constraints of lepton flavor violations, and the relic density in the co-annihilation system…

高能物理 - 唯象学 · 物理学 2016-01-20 Hiroshi Okada , Yuta Orikasa

We study a three-loop induced neutrino mass scenario from a non-holomorphic modular $A_4$ flavor symmetry and reach the minimum scenario leading predictions of the lepton masses, mixing angles, and Dirac and Majorana phases, which are shown…

高能物理 - 唯象学 · 物理学 2025-12-04 Takaaki Nomura , Hiroshi Okada

In this paper, we propose a $G_{L-R}\times U(1)_{L_\mu-L_\tau}$ gauge-symmetric model where $G_{L-R}$ is the left-right gauge symmetry and $L_i$ is the $i-$flavor lepton number. We use the spontaneous breaking (SSB) of $U(1)_{L_\mu-L_\tau}$…

高能物理 - 唯象学 · 物理学 2018-01-31 Abhish Dev

We propose a supersymmetric radiative seesaw model with modular $A_4$ symmetry. Thanks to contributions of supersymmetric partners to one-loop diagrams generating neutrino masses, we successfully fit neutrino data and obtain predictions in…

高能物理 - 唯象学 · 物理学 2022-01-26 Takaaki Nomura , Hiroshi Okada

We propose a two-loop neutrino mass model where fermionic and bosonic dark matter (DM) candidates are simultaneously connected to the neutrinos. But the fermionic DM candidate is favored compared to the bosonic one due to generating the…

高能物理 - 唯象学 · 物理学 2025-10-21 Shilpa Jangid , Hiroshi Okada

We propose a radiative seesaw model at the three-loop level, in which quarks, leptons, leptoquark bosons, and a Majorana fermion of dark matter candidate are involved in the neutrino loop. Analyzing neutrino oscillation data including all…

高能物理 - 唯象学 · 物理学 2016-09-28 Takaaki Nomura , Hiroshi Okada , Nobuchika Okada

We propose an extended Left-Right symmetric model with an additional global symmetry $U(1)_X$, which after spontaneous symmetry breaking collapses to a residual subgroup $\mathbb{Z}_2$, ensuring that the light active neutrino masses are…

A two-loop induced radiative neutrino model is proposed as an extension of our previous work in which the first and second generation standard model fermion masses are generated at one-loop level in both quark and lepton sectors. Then we…

高能物理 - 唯象学 · 物理学 2016-12-07 Takaaki Nomura , Hiroshi Okada

We propose two versions of radiative linear seesaw models, where electrically charged scalars and vector-like leptons generate the Dirac neutrino mass submatrix at one and two loop levels. In these models, the SM charged lepton masses are…

We propose a radiative neutrino-mass model by introducing 3 generations of fermion pairs $E^{-(N+1)/2} E^{+(N+1)/2}$ and a couple of multi-charged bosonic doublet fields $\Phi_{N/2}, \Phi_{N/2+1}$, where $N=1,3,5,7,9$. We show that the…

高能物理 - 唯象学 · 物理学 2018-04-25 Kingman Cheung , Hiroshi Okada

We propose a one-loop induced neutrino mass model with hidden $U(1)$ gauge symmetry, in which we successfully involve a bosonic dark matter (DM) candidate propagating inside a loop diagram in neutrino mass generation to explain the $e^+e^-$…

高能物理 - 唯象学 · 物理学 2018-06-06 Takaaki Nomura , Hiroshi Okada , Peiwen Wu

We propose a new mechanism in which electron and muon masses are induced at one-loop level after dynamically violating the symmetry of the Ising fusion rule. In the neutrino sector, while the neutrino mass is generated at one-loop level,…

高能物理 - 唯象学 · 物理学 2025-07-17 Jingqian Chen , Chao-Qiang Geng , Hiroshi Okada , Jia-Jun Wu

We study a three-loop induced neutrino model with a global $U(1)$ symmetry at TeV scale, in which we naturally accommodate a bosonic dark matter candidate. We discuss the allowed regions of masses and quartic couplings for charged scalar…

高能物理 - 唯象学 · 物理学 2015-03-30 Hisaki Hatanaka , Kenji Nishiwaki , Hiroshi Okada , Yuta Orikasa

We study a two loop induced radiative neutrino model with global $U(1)$ symmetry at 1 GeV scale, in which we explain the X-ray line at 7.1 keV of dark matter candidate reported by XMN-Newton X-ray observatory using data of various galaxy…

高能物理 - 唯象学 · 物理学 2015-11-19 Hiroshi Okada

Motivated by the recent muon anomalous magnetic moment (g-2) measurement at FERMILAB and non-zero neutrino masses, we propose a model based on the $SU(3)_C \times SU(3)_L \times U(1)_X$ (3-3-1) gauge symmetry. The most popular 3-3-1 models…

高能物理 - 唯象学 · 物理学 2022-08-04 A. E. Cárcamo Hernández , Sergey Kovalenko , Farinaldo S. Queiroz , Yoxara S. Villamizar

We propose a two loop induced Dirac type neutrino model at TeV scale. Subsequently, three types of dark matter particles; fermion and two bosons, are naturally introduced. Here we discuss to analyze two possibilities; two component dark…

高能物理 - 唯象学 · 物理学 2014-04-02 Hiroshi Okada

We present a Left-Right symmetric model that provides an explanation for the mass hierarchy of the charged fermions within the framework of the Standard Model. This explanation is achieved through the utilization of both tree-level and…

高能物理 - 唯象学 · 物理学 2024-01-01 Cesar Bonilla , A. E. Cárcamo Hernández , Sergey Kovalenko , H. Lee , R. Pasechnik , Ivan Schmidt