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Probing $0\nu\beta\beta$ and $\mu\to e\gamma$ via Fully Determined Dirac Mass Terms in LRSM with Double Seesaw
Pratik Adarsh, Rajrupa Banerjee, Purushottam Sahu, Utkarsh Patel, Sudhanwa Patra
https://arxiv.org/abs/2508.15893

Probing $0νββ$ and $μ\to eγ$ via Fully Determined Dirac Mass Terms in LRSM with Double Seesaw
Neutrinoless double beta decay ($0νββ$) and charged lepton flavor violation (cLFV) experiments provide promising avenues to probe new physics contributions from extended neutrino sectors in beyond Standard Model (BSM) scenarios. We consider a Left--Right Symmetric Model (LRSM) extended with three generations of sterile neutrinos to realize a double type-I seesaw mechanism for light neutrino mass generation. The double seesaw induces maximal lepton number violation in the right-handed sector …