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hep-ph2019
Soft leptogenesis in the NMSSM with a singlet right-handed neutrino superfield
Waleed Abdallah, Abhass Kumar, Abhijit Kumar Saha
In this work, we explore soft leptogenesis in the NMSSM framework extended by a right-handed neutrino superfield. We calculate the CP asymmetry, , and find it to be no…
hep-ph2018
TeV scale leptogenesis, inflaton dark matter and neutrino mass in a scotogenic model
Debasish Borah, P. S. Bhupal Dev, Abhass Kumar
We consider the scotogenic model, where the standard model (SM) is extended by a scalar doublet and three odd SM-singlet fermions (, ), all odd under an additio…
hep-ph2017★ 46 cited
Inflation and Dark Matter in the Inert Doublet Model
Sandhya Choubey, Abhass Kumar
We discuss inflation and dark matter in the inert doublet model coupled non-minimally to gravity where the inert doublet is the inflaton and the neutral scalar part of the doublet…