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Related papers: Exploring Models with Modular Symmetry in Neutrino…

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We investigate models of charged lepton and neutrino masses and lepton mixing based on broken modular symmetry. The matter fields in these models are assumed to transform in irreducible representations of the finite modular group $\Gamma_4…

High Energy Physics - Phenomenology · Physics 2019-05-01 P. P. Novichkov , J. T. Penedo , S. T. Petcov , A. V. Titov

The recent results from the JUNO reactor neutrino experiment have significantly improved our knowledge of the solar mixing angle $\theta_{12}$ and the solar mass splitting $\Delta m^2_{21}$. We study the impact of these improved estimates…

High Energy Physics - Phenomenology · Physics 2026-01-21 Debasish Borah , Pritam Das , Debajyoti Dutta

We compare the sensitivity of the upcoming long-baseline neutrino experiments Protvino to Super-ORCA (P2SO) and the Deep Underground Neutrino Experiment (DUNE) to non-unitarity (NU) of the leptonic mixing matrix in a model-independent…

High Energy Physics - Phenomenology · Physics 2026-03-03 Sambit Kumar Pusty , Samiran Roy , Monojit Ghosh , Rukmani Mohanta

The next-generation neutrino oscillation experiments would be sensitive to the new neutrino interactions that would strengthen the search for physics beyond the Standard Model. In this context, we explore the capabilities of the two leading…

High Energy Physics - Phenomenology · Physics 2025-01-28 Sanjib Kumar Agarwalla , Mauricio Bustamante , Masoom Singh , Pragyanprasu Swain

We consider schemes of neutrino mixing arising within the discrete symmetry approach to the well-known flavour problem. We concentrate on $3\nu$ mixing schemes in which the cosine of the Dirac CP violation phase $\delta_\mathrm{CP}$…

High Energy Physics - Phenomenology · Physics 2018-04-11 Sanjib Kumar Agarwalla , Sabya Sachi Chatterjee , S. T. Petcov , A. V. Titov

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

The recent Jiangmen Underground Neutrino Observatory (JUNO) measurements of $\theta_{12}$ and $\Delta m^2_{21}$ open a new avenue for probing flavor symmetric structures in the lepton sector. Motivated by this, we study a model in which…

High Energy Physics - Phenomenology · Physics 2026-05-11 Ranjeet Kumar

In the modular symmetry approach to neutrino models, the flavour symmetry emerges as a finite subgroup $\Gamma_N$ of the modular symmetry, broken by the vacuum expectation value (VEV) of a modulus field $\tau$. If the VEV of the modulus…

High Energy Physics - Phenomenology · Physics 2026-01-13 Gui-Jun Ding , Stephen F. King , Xiang-Gan Liu , Jun-Nan Lu

This is a review article about neutrino mass and mixing and flavour model building strategies based on modular symmetry. After an introduction to neutrino mass and lepton mixing, we then turn to the main subject of this review, namely a…

High Energy Physics - Phenomenology · Physics 2023-11-17 Gui-Jun Ding , Stephen F. King

We investigate the prospects of next-generation neutrino oscillation experiments DUNE, T2HK and JUNO including TAO within Standard Model Effective Field Theory (SMEFT). We also re-interpret COHERENT data in this framework. Considering both…

High Energy Physics - Phenomenology · Physics 2022-05-04 Yong Du , Hao-Lin Li , Jian Tang , Sampsa Vihonen , Jiang-Hao Yu

Modular symmetry offers the possibility to provide an origin of discrete flavour symmetry and to break it along particular symmetry preserving directions without introducing flavons or driving fields. It is also possible to use a weighton…

High Energy Physics - Phenomenology · Physics 2021-10-04 Gui-Jun Ding , Stephen F. King , Chang-Yuan Yao

Upcoming neutrino experiments will soon search for new neutrino interactions more thoroughly than ever before, boosting the prospects of extending the Standard Model. In anticipation of this, we forecast the capability of two of the leading…

High Energy Physics - Phenomenology · Physics 2024-09-18 Sanjib Kumar Agarwalla , Mauricio Bustamante , Masoom Singh , Pragyanprasu Swain

This research undertakes a comprehensive exploration of neutrino mass model grounded in $A_4$ discrete non-Abelian modular symmetry formulated within a linear seesaw framework that modifies the conventional type-I seesaw structure with a…

High Energy Physics - Phenomenology · Physics 2025-08-14 Muhammad Waheed Aslam , Abrar Ahmad Zafar , Muhammad Naeem Aslam

We update the analysis of the viability of the lepton mixing patterns originating from $A_4$, $S_4$ and $A_5$ discrete flavour symmetries and leading to predictions for the solar neutrino mixing angle, $\theta_{12}$. We perform a…

High Energy Physics - Phenomenology · Physics 2026-03-19 S. T. Petcov , A. V. Titov

We study the impact of combining the present NO$\nu$A and T2K data with simulated data from the JUNO experiment on the determination of the leptonic CP phase and the neutrino mass hierarchy. The current NO$\nu$A data exhibit a…

High Energy Physics - Phenomenology · Physics 2025-12-04 Srubabati Goswami , Aman Gupta , Ushak Rahaman , Sushant K. Raut

While the origin of neutrino masses remains unknown, several key neutrino mass generation models result in a non-unitary three-neutrino mixing matrix. To put such models to test, the deviations of the mixing matrix from unitarity can be…

High Energy Physics - Phenomenology · Physics 2025-05-20 Tetiana Kozynets , Philipp Eller , Alan Zander , Manuel Ettengruber , D. Jason Koskinen

Unmodeled beyond Standard Model (BSM) physics in neutrino propagation can masquerade as parameter degeneracies in future precision measurements. Because the upcoming DUNE and T2HK experiments will operate at substantially different…

High Energy Physics - Phenomenology · Physics 2026-03-17 João Paulo Pinheiro , Ushak Rahaman

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

In this topical review we argue that neutrino mass and mixing data motivates extending the Standard Model to include a non-Abelian discrete flavour symmetry in order to accurately predict the large leptonic mixing angles and CP violation.…

High Energy Physics - Phenomenology · Physics 2015-11-12 Stephen F. King

We examine the capabilities of the DUNE experiment as a probe of the neutrino mixing paradigm. Taking the current status of neutrino oscillations and the design specifications of DUNE, we determine the experiment's potential to probe the…

High Energy Physics - Phenomenology · Physics 2018-05-23 Rahul Srivastava , Christoph A. Ternes , Mariam Tórtola , José W. F. Valle