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Related papers: Minimal seesaw model with S_4 flavor symmetry

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This work proposes a neutrino mass model that is derived using the minimal seesaw mechanism which contains only two right-handed neutrinos, under the non-abelian discrete flavor symmetry $\mathbb{S}_4\otimes\mathbb{Z}_2$. Two standard model…

High Energy Physics - Phenomenology · Physics 2011-05-10 K. H. Nam , N. W. Park , Kim Siyeon

We discuss a linear seesaw model with as minimum field content as possible, introducing a modular $S_4$ with the help of gauged $U(1)_{B-L}$ symmetries. Due to rank two neutrino mass matrix, we have a vanishing neutrino mass eigenvalue, and…

High Energy Physics - Phenomenology · Physics 2022-05-04 Takaaki Nomura , Hiroshi Okada

In this paper, we incorporate the modular $S^{}_4$ flavor symmetry into the supersymmetric version of the minimal type-I seesaw model, in which only two right-handed neutrino singlets are introduced to account for tiny Majorana neutrino…

High Energy Physics - Phenomenology · Physics 2020-10-21 Xin Wang , Shun Zhou

We present an S$_4$ flavour symmetric model within a minimal seesaw framework resulting in mass matrices that leads to TM$_1$ mixing. Minimal seesaw is realized by adding two right-handed neutrinos to the Standard Model. The model predicts…

High Energy Physics - Phenomenology · Physics 2021-12-22 Bikash Thapa , Ng. K. Francis

In this paper, we study the implications of the modular $A^{}_4$ flavor symmetry in constructing a supersymmetric minimal type-(I+II) seesaw model, in which only one right-handed neutrino and two Higgs triplets are introduced to account for…

High Energy Physics - Phenomenology · Physics 2020-08-26 Xin Wang

In this paper, we present a systematic investigation on simple inverse seesaw models for neutrino masses and flavor mixing based on the modular $S^{}_4$ symmetry. Two right-handed neutrinos and three extra fermion singlets are introduced to…

High Energy Physics - Phenomenology · Physics 2021-10-01 Xinyi Zhang , Shun Zhou

We consider an extension of the Standard Model with three right-handed (RH) neutrinos and a Dirac pair of extra sterile neutrinos, odd under a discrete $Z_2$ symmetry, in order to have left-right symmetry in the neutrino content and obtain…

High Energy Physics - Phenomenology · Physics 2021-08-11 Ernesto A. Matute

We construct an $S_4$ flavour symmetric minimal inverse seesaw model where the standard model is extended by adding two right-handed and two standard model gauge singlets neutrinos to explain the origin of tiny neutrino masses. The…

High Energy Physics - Phenomenology · Physics 2023-12-08 Bikash Thapa , Sunita Barman , Sompriti Bora , Ng. K. Francis

Neutrino flavor mixing is explained within the recently proposed low-scale minimal linear seesaw model of neutrino mass generation, a variant of the standard linear seesaw led by a Dirac pair of extra sterile neutrinos which is odd under a…

High Energy Physics - Phenomenology · Physics 2022-12-29 Ernesto A. Matute

We discuss a double seesaw mechanism for generating light neutrino masses within the Standard Model extensions that include both right-handed neutrinos and extra gauge-singlet sterile fermions. The flavour structure of the double seesaw…

High Energy Physics - Phenomenology · Physics 2026-01-09 Swaraj Kumar Nanda , Maibam Ricky Devi , Chandini Dash , R. N. Panda , Sudhanwa Patra

We investigate neutrino mass model based on $A_4$ discrete flavor symmetry in type-I+II seesaw framework. The model has imperative predictions for neutrino masses, mixing and $CP$ violation testable in the current and upcoming neutrino…

High Energy Physics - Phenomenology · Physics 2019-07-29 Surender Verma , Monal Kashav , Shankita Bhardwaj

We propose a minimal inverse seesaw model with $S_4$ symmetry for the Majorana neutrinos with only one real ($m_0$)-and two complex ($\alpha, \beta$) parameters in neutrino sector which gives reasonable predictions for the neutrino…

High Energy Physics - Phenomenology · Physics 2025-11-25 V. V. Vien , Mayengbam Kishan Singh

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 study a model of neutrino and dark matter within the framework of a minimal extended seesaw. This framework is based on $A_4$ flavor symmetry along with the discrete $Z_4$ symmetry to stabilize the dark matter and construct desired mass…

High Energy Physics - Phenomenology · Physics 2020-04-22 Pritam Das , Mrinal Kumar Das , Najimuddin Khan

We propose a flavour model based on an $A_4$ symmetry combined with a type-II seesaw mechanism for neutrino mass generation. The resulting neutrino mass matrix obeys a sum rule that, together with the measured mass-squared differences,…

High Energy Physics - Phenomenology · Physics 2026-03-16 Salvador Centelles Chuliá , Ranjeet Kumar

Describing neutrino masses using the inverse seesaw mechanism with discrete flavor symmetry imposed through modular forms provides a testable framework at TeV scales with fewer parameters. However, $S_3$, the smallest modular group, remains…

High Energy Physics - Phenomenology · Physics 2025-05-01 Mitesh Kumar Behera , Pawin Ittisamai , Chakrit Pongkitivanichkul , Patipan Uttayarat

A seesaw mechanism in an extra-dimension, known as the split seesaw mechanism, provides a natural way to realize a splitting mass spectrum of right-handed neutrinos. It leads to one keV sterile neutrino as a dark matter candidate and two…

High Energy Physics - Phenomenology · Physics 2011-10-11 Adisorn Adulpravitchai , Ryo Takahashi

We study a model of neutrino within the framework of the minimal extended seesaw (MES), which plays an important role in active and sterile neutrino phenomenology in (3+1) scheme. The $A_4$ flavor symmetry is augmented by an additional…

High Energy Physics - Phenomenology · Physics 2019-03-19 Pritam Das , Ananya Mukherjee , Mrinal Kumar Das

We propose a minimal predictive inverse seesaw model based on two right-handed neutrinos and two additional singlets, leading to the same low energy neutrino mass matrix as in the Littlest Seesaw (LS) (type I) model. In order to implement…

High Energy Physics - Phenomenology · Physics 2020-03-02 A. E. Cárcamo Hernández , S. F. King

In the context of a minimal extension of the Standard Model with three extra heavy right-handed neutrinos, we propose a model for neutrino masses and mixing based on the hipothesis of a complete alignment of the lepton mass matrices in…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. R. Joaquim
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