Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/4729
Title: Study of Neutrinoless Double Beta Decay in Standard Model extended with Sterile Neutrinos
Authors: Das, Debashree Priyadarsini
Mishra, Sasmita
Keywords: Neutrinoless
Beta Decay
Issue Date: Oct-2024
Citation: 17th International Conference on Interconnections Between Particle Physics and Cosmology (PPC 2024) IIT Hyderabad, 14-18 October 2024
Abstract: Sterile neutrinos, non-interacting fermion singlets, are crucial in BSM physics, addressing oscillation anomalies and facilitating neutrino mass generation via type-I seesaw mechanism. We investigate a model extending the SM with 3 sterile neutrino states, employing a specific (6 × 6) unitary mixing matrix. Analytically deriving the masses of added sterile states using the exact seesaw relation, we study their impact on |mee|, relevant to neutrinoless double beta decay (0νββ) searches. Exploring the parameter space of |mee| with consideration of 0νββ sensitivity, we incorporate constraints from charged lepton flavor violation (cLFV) and non-unitarity effects, including additional CP-violating phases and active-sterile mixing angles. Our analysis also assesses the branching ratio of µ → eγ, a key cLFV process, within this framework.
Description: Copyright belongs to proceeding publisher
URI: http://hdl.handle.net/2080/4729
Appears in Collections:Conference Papers

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