2 papers
hep-ph2026
SN1987A Constraints of Light with Non-Mixing Polarisations
Debottam Das, Purusottam Ghosh, Rahul Puri
The observation of supernova 1987A (SN1987A) provides a unique opportunity to explore new physics beyond the Standard Model (BSM). The production of new particles in the supernova…
hep-ph2025
A singlet scalar assisted Leptogenesis and Pseudo-Scalar Dark Matter
Dilip Kumar Ghosh, Purusottam Ghosh, Koustav Mukherjee +1
We study the Leptogenesis and Dark Matter in the presence of an extra singlet complex scalar field in an extended discrete symmetry. The vacuum expectation va…