Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry
Fuente:
arXiv
Guardado en:
| Autores principales: | , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2025
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866915504377036800 |
|---|---|
| author | Abhishek Mummidi, V. Suryanarayana |
| author_facet | Abhishek Mummidi, V. Suryanarayana |
| contents | 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 simplifies the construction 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 localized near \( δ_{\rm CP} \sim 350^\circ \). It further predicts an effective Majorana mass \( |m_{ee}| \sim \mathcal{O}(10^{-3}) \,\text{eV} \), within the scope of upcoming experiments on neutrinoless double beta decay 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_06610 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry Abhishek Mummidi, V. Suryanarayana High Energy Physics - Phenomenology 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 simplifies the construction 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 localized near \( δ_{\rm CP} \sim 350^\circ \). It further predicts an effective Majorana mass \( |m_{ee}| \sim \mathcal{O}(10^{-3}) \,\text{eV} \), within the scope of upcoming experiments on neutrinoless double beta decay 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. |
| title | Resonant leptogenesis in inverse see-saw framework with modular $S_4$ symmetry |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2507.06610 |