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Related papers: Revisiting Flavor Model and Leptogenesis

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We consider a supersymmetric SU(4)$_c \times$SU(2)$_L \times$SU(2)$_R$ model with a minimal number of Higgs multiplets and Dirac and Majorana $CP$-violating phases in the neutrino flavor mixing matrix. The model incorporates the charged…

High Energy Physics - Phenomenology · Physics 2018-09-12 Nobuchika Okada , Qaisar Shafi

We use $S_4$ discrete group to construct a neutrino flavour model which leads to $TM_1$ mixing and is consistent with the neutrino oscillation data. Using the model's constrained parameter space, we predict the values of Dirac $CP$ phase…

High Energy Physics - Phenomenology · Physics 2020-09-08 Mainak Chakraborty , R. Krishnan , Ambar Ghosal

The current work involves augmenting the $\Delta(54)$ discrete flavor model by incorporating two Standard Model Higgs particles into the Inverse Seesaw mechanism. We introduced Weyl fermions and Vector like fermions, which are gauge…

High Energy Physics - Phenomenology · Physics 2024-03-01 Hrishi Bora , Ng. K. Francis , Bikash Thapa , Shawan Kumar Jha

We investigate the hierarchical flavor structure of the Standard Model in a Froggatt-Nielsen (FN) framework, where the spontaneous breaking of a $U(1)_{\rm FN}$ symmetry by a complex flavon field generates fermion masses and mixing patterns…

High Energy Physics - Phenomenology · Physics 2026-03-06 Cheshta Batra , Rusa Mandal , Kunal Rawat , Tom Tong

We study a model for leptogenesis in which the total CP asymmetries in the decays and scatterings involving the SU(2) singlet seesaw neutrinos $N_\alpha$ vanish ($\epsilon_{N_\alpha}=0$). Leptogenesis is possible due to non-vanishing CP…

High Energy Physics - Phenomenology · Physics 2014-11-18 D. Aristizabal Sierra , Luis Alfredo Muñoz , Enrico Nardi

We present a supersymmetric model with the flavour symmetry S4 x Z3 and a CP symmetry which are broken to a Z3 subgroup of the flavour symmetry in the charged lepton sector and to Z2 x CP (x Z3) in the neutrino one at leading order. This…

High Energy Physics - Phenomenology · Physics 2014-02-18 Ferruccio Feruglio , Claudia Hagedorn , Robert Ziegler

We derive and discuss the solution of the Boltzmann equations for leptogenesis in a phenomenologically viable SU(5) x A5 golden ratio flavour model proposed in arXiv:1410.2057 [hep-ph], arXiv:1502.00110 [hep-ph] . The model employs, in…

High Energy Physics - Phenomenology · Physics 2015-09-01 Julia Gehrlein , Serguey T. Petcov , Martin Spinrath , Xinyi Zhang

We investigate the generation of the baryon asymmetry of the Universe within a SUSY SU(5) x T' model of flavour, which gives rise to realistic masses and mixing patterns for quarks and leptons. The model employs the see-saw mechanism for…

High Energy Physics - Phenomenology · Physics 2012-03-21 A. Meroni , E. Molinaro , S. T. Petcov

I proposed a unified model of particle physic and cosmology in \cite {1}, which can simultaneously account for these origin of the inflation, dark energy, dark matter, neutrino mass and baryon asymmetry. I here focus on the fermion flavor…

General Physics · Physics 2025-10-23 Wei-Min Yang

Baryogenesis via leptogenesis is investigated in a specific model of light neutrino masses and mixing angles. The latter was proposed on the basis of an assumed complex-extended scaling property of the neutrino Majorana mass matrix $M_\nu$,…

High Energy Physics - Phenomenology · Physics 2017-03-22 Rome Samanta , Mainak Chakraborty , Probir Roy , Ambar Ghosal

The paper suggests a left-right mirror symmetric model with the flavor symmetries $Z_{3L}\otimes Z_{3R}$. It can simultaneously accommodate the standard model, neutrino physics and the baryon asymmetry. The fermion masses and $CP$ violation…

High Energy Physics - Phenomenology · Physics 2015-09-15 Wei-Min Yang

Recently, in ref. \cite{A4Datta} Datta et al. [arXiv:2106.06773] proposed an $A_4$ flavor symmetric model supplemented by $Z_2\times Z_3$ symmetry which can accommodate the appropriate lepton mixing and neutrino masses via Type-I seesaw…

High Energy Physics - Phenomenology · Physics 2022-05-02 V. V. Vien

We propose a minimal $A_4$ flavor symmetric model, assisted by $Z_2 \times Z_3$ symmetry, which can naturally takes care of the appropriate lepton mixing and neutrino masses via Type-I seesaw. It turns out that the framework, originated due…

High Energy Physics - Phenomenology · Physics 2022-01-05 Arghyajit Datta , Biswajit Karmakar , Arunansu Sil

We present a simple extension of the Standard Model with three right-handed neutrinos in a SUSY framework, with an additional U(1$)_\text{F}$ abelian flavor symmetry with a non standard leptonic charge $L_e-L_\mu-L_\tau$ for lepton doublets…

High Energy Physics - Phenomenology · Physics 2023-03-01 Giorgio Arcadi , Simone Marciano , Davide Meloni

We study the interplay between flavor symmetries and leptogenesis in the case when the scale of flavor symmetry breaking is higher than the scale at which lepton number is violated. We show that when the heavy Majorana neutrinos belong to…

High Energy Physics - Phenomenology · Physics 2009-11-13 E. Bertuzzo , P. Di Bari , F. Feruglio , E. Nardi

We propose a non-minimal left-right symmetric model (LRSM) with Parity Symmetry where the fermion mixings arise as result of imposing an ${\bf S}_{3}\otimes {\bf Z}_{2}$ flavor symmetry, and an extra ${\bf Z}^{e}_{2}$ symmetry is considered…

High Energy Physics - Phenomenology · Physics 2017-09-13 Juan Carlos Gómez-Izquierdo

In order to explain the fermion masses and mixings naturally, we introduce a specific flavor symmetry and mass suppression pattern that constrain the flavor structure of the fermion Yukawa couplings. Our model describes why the hierarchy of…

High Energy Physics - Phenomenology · Physics 2015-06-18 Y. H. Ahn , Paolo Gondolo

We have studied the scenario of baryogenesis via leptogenesis in an $A_4$ flavor symmetric framework considering type I seesaw as the origin of neutrino mass. Because of the presence of the fifth generation right handed neutrino the model…

High Energy Physics - Phenomenology · Physics 2018-03-23 Ananya Mukherjee , Mrinal Kumar Das , Jayanta Kumar Sarma

We discuss a supersymmetric model with discrete flavor symmetry $A_4\times Z_3$. The additional scalar fields which contribute masses of leptons in the Yukawa terms are introduced in this model. We analyze their scalar potential and find…

High Energy Physics - Phenomenology · Physics 2018-01-10 Takuya Morozumi , Hideaki Okane , Hiroki Sakamoto , Yusuke Shimizu , Kenta Takagi , Hiroyuki Umeeda

We propose a new neutrino flavor model based on a $D_{4}\times U(1)$ flavor symmetry providing predictions for neutrino masses and mixing along with a successful generation of the observed Baryon Asymmetry of the Universe (BAU). After the…

High Energy Physics - Phenomenology · Physics 2024-04-26 M. Miskaoui
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