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Physics#Neutrino Physics, Flavor Physics, Beyond the Standard Model🔬 ResearchAnalyzed: Jan 3, 2026 20:09

Minimal A4 Seesaw Model with Testable Neutrino Mass Sum Rules

Published:Dec 26, 2025 19:00
1 min read
ArXiv

Analysis

This paper presents a flavor model using A4 symmetry and a type-II seesaw mechanism. The key significance lies in its ability to predict the absolute neutrino mass spectrum based on a sum rule, linking it to lepton mixing parameters and potentially observable phenomena like neutrinoless double beta decay. The model's constrained nature makes it experimentally testable, offering a framework to connect neutrino properties with lepton mixing and lepton-number-violating processes.
Reference

“The model's sum rule fully determines the absolute neutrino mass spectrum, and the model provides a tightly constrained and experimentally testable framework.”

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Physics#Neutrino Physics, Particle Physics🔬 ResearchAnalyzed: Jan 3, 2026 20:17

Neutrino Textures and Experimental Signatures

Published:Dec 26, 2025 12:50
1 min read
ArXiv

Analysis

This paper explores neutrino mass textures within a left-right symmetric model using the modular $A_4$ group. It investigates how these textures impact experimental observables like neutrinoless double beta decay, lepton flavor violation, and neutrino oscillation experiments (DUNE, T2HK). The study's significance lies in its ability to connect theoretical models with experimental verification, potentially constraining the parameter space of these models and providing insights into neutrino properties.
Reference

“DUNE, especially when combined with T2HK, can significantly restrict the $θ_{23}-δ_{ m CP}$ parameter space predicted by these textures.”

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