XXVI DAE-BRNS High Energy Physics Symposium 2024

Neutrino Phenomenology with Two-Zero Textures in Left-Right Asymmetric Model: 0νββ, LFV, and Resonant Leptogenesis

Not scheduled

20m

Swatantrata Bhavan, Banaras Hindu University, Varanasi

Oral Beyond the standard model

Speaker

Bhabana Kumar (Tezpur University)

Description

In this work, we investigate the two-zero textures of the light neutrino mass matrix within the framework of a Left-Right Asymmetric model. The model is constructed using the modular group ${\mathrm{\Gamma }}_3$, which is isomorphic to the $A_4$ discrete group, and the light neutrino masses are generated via an extended seesaw mechanism by introducing an additional sterile fermion. After assigning the appropriate $A_4$ charges to the particle content, we identify five classes of two-zero textures. We perform a comprehensive analysis of the phenomenological consequences of these textures. We explore the implications for neutrinoless double beta decay, lepton flavor violation (LFV) processes. Furthermore, we analyze the potential for resonant leptogenesis in each texture class. A detailed comparison between the different two-zero texture classes is conducted, considering their predictions for neutrino oscillation parameters, LFV observables, and baryogenesis. The results are discussed in light of current experimental data, providing insight into the viability of each texture within this extended seesaw framework.

Presentation materials

BSM -21 DAE.pdf