Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry

[2507.06610] Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry Skip to main content Search Submit Donate Log in Search arXiv Press Enter to search · Advanced search High Energy Physics - Phenomenology arXiv:2507.06610 (hep-ph) [Submitted on 9 Jul 2025 ( v1 ), last revised 15 Aug 2026 (this version, v3)] Title: Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry Authors: Abhishek , V. Suryanarayana Mummidi View a PDF of the paper titled Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry, by Abhishek and 1 other authors View PDF HTML (experimental) Abstract: We introduce a lepton mass generation and flavor mixing model, realized through a (2,3) inverse seesaw structure based on modular \( S_4 \) symmetry. The model employs modular forms to construct the lepton Yukawa couplings, significantly simplifying the framework by reducing redundant parameters. A detailed numerical analysis demonstrates consistency with current neutrino oscillation data, yielding specific outputs for the mixing angles and CP-violating phases. The Dirac CP phase is predicted to lie near $\delta_{\rm CP} \approx \pm 90^\circ$, corresponding to near-maximal leptonic CP violation. The total neutrino mass lies within $\sum m_\nu \approx 0.0587\text{--}0.0924$ eV, and the effective Majorana mass $|m_{ee}| \approx (0.002\text{--}0.02)$ eV, within reach of upcoming neutrinoless double beta decay experiments such as nEXO and AMoRE-II. The model also remains consistent with current bounds on charged lepton flavor violating processes from MEG and BaBar. We further explore resonant leptogenesis enabled by quasi-degenerate heavy neutrino states and show that the observed baryon asymmetry of the universe can be successfully generated in this scenario. The combined treatment of low-energy observables and high-scale baryogenesis demonstrates the predictivity and testability of the modular \( S_4 \)-based ISS(2,3) framework. Comments: Published Version, 18 pages, 11 figure Subjects: High Energy Physics - Phenomenology (hep-ph) Cite as: arXiv:2507.06610 [hep-ph] (or arXiv:2507.06610v3 [hep-ph] for this version) https://doi.org/10.48550/arXiv.2507.06610 Focus to learn more arXiv-issued DOI via DataCite Related DOI : https://doi.org/10.1140/epjc/s10052-025-15278-4 Focus to learn more DOI(s) linking to related resources Submission history From: Abhishek Abhishek [ view email ] [v1] Wed, 9 Jul 2025 07:28:02 UTC (1,744 KB) [v2] Sat, 20 Sep 2025 09:12:17 UTC (1,676 KB) [v3] Sat, 15 Aug 2026 11:26:05 UTC (1,438 KB) Full-text links: Access Paper: View a PDF of the paper titled Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry, by Abhishek and 1 other authors View PDF HTML (experimental) TeX Source view license Current browse context: hep-ph < prev | next > new | recent | 2025-07 References & Citations INSPIRE HEP NASA ADS Google Scholar Semantic Scholar export BibTeX citation Loading... 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