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In this study, we explore the application of the $\Gamma_{3}$ modular group, which is isomorphic to the $A_{4}$ symmetric group in developing a model for neutrino mass. We realized a non-supersymmetric left-right asymmetric model…

High Energy Physics - Phenomenology · Physics 2025-07-23 Bhabana Kumar , Mrinal Kumar Das

We propose a non-holomorphic modular $A_4$ model under the assumption of universal couplings. In this framework, a charged lepton mass hierarchy is not created through parameter fine tuning or hierarchical Yukawa couplings, but instead is…

High Energy Physics - Phenomenology · Physics 2026-04-20 Mohammed Abbas

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

We study neutrino mass generation within the framework of non-holomorphic modular symmetry proposed by Qu and Ding. In this formalism, neutrino masses are generated via the Type-I seesaw mechanism, where the Yukawa couplings depend on…

High Energy Physics - Phenomenology · Physics 2026-04-21 Cheshta , Priya , Suneel Dutt , B. C. Chauhan

Addressing the fermion flavor structures using modular invariance is a challenging task in the framework of quark-lepton unification. Building on recent applications of modular symmetry in non-supersymmetric models, we propose the first…

High Energy Physics - Phenomenology · Physics 2025-08-05 Mohamed Amin Loualidi , Mohamed Miskaoui , Salah Nasri

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

A non-supersymmetric inverse seesaw model of neutrino mass based on the $A^{\prime}_5$ modular symmetry is presented. This framework provides a combined explanation for neutrino masses, mixing, and the cosmic baryon asymmetry through…

High Energy Physics - Phenomenology · Physics 2026-03-20 Xianshuo Zhang , Yakefu Reyimuaji

We propose an inverse seesaw model with large $SU(2)_L$ multiplets applying modular $A_4$ symmetry where $SU(2)_L$ quartet and septet fermions are introduced as triplets under the symmetry. The neutral components of the quartet contribute…

High Energy Physics - Phenomenology · Physics 2020-07-31 Takaaki Nomura , Hiroshi Okada

In the framework of non-holomorphic modular invariance approach, we have systematically constructed all minimal lepton models based on the non-holomorphic $A^{\prime}_{5}$ modular symmetry from a bottom-up approach. In these models, the…

High Energy Physics - Phenomenology · Physics 2025-09-19 Cai-Chang Li , Gui-Jun Ding

Using the type II seesaw approach and properties of discrete flavor symmetry group representations, we build a supersymmetric $A_{4}\times A_{3}$\ neutrino model with $\theta_{13}\neq0$. After describing the basis of this model--which is…

High Energy Physics - Phenomenology · Physics 2016-06-22 R. Ahl Laamara , M. A Loualidi , E. H Saidi

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

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 present a TeV scale seesaw mechanism for exploring the dark matter and neutrino phenomenology in the light of recent neutrino and cosmology data. A different realization of the Inverse seesaw(ISS) mechanism with $A_{4}$ flavor symmetry…

High Energy Physics - Phenomenology · Physics 2016-10-20 Ananya Mukherjee , Mrinal Kumar Das

Modular symmetries offer a dynamic approach to understanding the flavour structure of leptonic mixing. Using the modular $\mathcal{A}_4$ flavour symmetry integrated in a type-II seesaw, we propose a simple and minimalistic model that…

High Energy Physics - Phenomenology · Physics 2024-02-22 Salvador Centelles Chuliá , Ranjeet Kumar , Oleg Popov , Rahul Srivastava

We propose an A_4 flavor-symmetric SU(3)xSU(2)xU(1) seesaw model where lepton number is broken spontaneously. A consistent two-zero texture pattern of neutrino masses and mixing emerges from the interplay of type-I and type-II seesaw…

High Energy Physics - Phenomenology · Physics 2014-11-21 J. N. Esteves , F. R. Joaquim , A. S. Joshipura , J. C. Romao , M. A. Tortola , J. W. F. Valle

Our analysis involves enhancing the $\Delta(54)$ flavor symmetry model with Inverse Seesaw mechanism along with two SM Higgs through the incorporation of distinct flavons. Additionally, we introduce supplementary $Z_2\otimes Z_3 \otimes…

High Energy Physics - Phenomenology · Physics 2023-12-06 Hrishi Bora , Ng. K. Francis , Animesh Barman , Bikash Thapa

A new and novel idea for a predictive neutrino mass matrix is presented, using the non-Abelian discrete symmetry A(4) and the seesaw mechanism with only two heavy neutral fermion singlets. Given the components of the one necessarily…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ernest Ma

We present a unified framework for neutrino masses, baryogenesis, and dark matter based on a modular $S_4$ symmetry combined with a type-III seesaw mechanism. All Yukawa couplings, CP phases, and flavor textures originate from a single…

High Energy Physics - Phenomenology · Physics 2026-02-04 Abhishek , V. Suryanarayana Mummidi

In this paper, we present a model based on $A_4$ discrete flavor symmetry implementing inverse and type-II seesaw mechanisms to have LHC accessible TeV scale right-handed neutrino mass and texture one-zero in the resulting Majorana neutrino…

High Energy Physics - Phenomenology · Physics 2021-10-07 Rishu Verma , Monal Kashav , Surender Verma , B. C. Chauhan

In recently proposed framework of non-holomorphic modular symmetry introduces the concept of negative and zero modular weight of Yukawa couplings. These Yukawa couplings are function of complex modulus $\tau$, which is responsible for the…

High Energy Physics - Phenomenology · Physics 2026-04-07 Priya , B. C. Chauhan , Deepak Kumar , Takaaki Nomura