384 citations · 751 across the 18 of their papers we have counts for
17 papers · 1 filter
Precision Higgs Boson Probe of Type-II Seesaw Models
Saiyad Ashanujjaman, P. S. Bhupal Dev, Jihong Huang +1
Despite direct searches at the LHC excluding tripletlike Higgs bosons up to several hundred GeV over much of the type-II seesaw model parameter space, parts of it -- most notably t…
Leptogenesis from Dark Matter Coannihilation
Simran Arora, Debasish Borah, Arnab Dasgupta +2
We propose a minimal extension of the type-I seesaw model to realise leptogenesis from the co-annihilation of dark sector particles. The type-I seesaw model is extended with a sing…
Scalar-induced Neutrinoless Double Beta Decay in
P. S. Bhupal Dev, Srubabati Goswami, Debashis Pachhar +1
We discuss the role of heavy scalar fields in mediating neutrinoless double beta decay within the Grand Unified Theory framework, extended suitably to include neut…
No Hiding in the Dark: Cosmological Bounds on Heavy Neutral Leptons with Dark Decay Channels
P. S. Bhupal Dev, Quan-feng Wu, Xun-Jie Xu
Heavy neutral leptons (HNLs) are well-motivated new physics candidates. The mixing of sub-GeV HNLs with active neutrinos is severely constrained by cosmology. In particular, the su…
Impostor Among s: Dark Radiation Masquerading as Self-Interacting Neutrinos
Anirban Das, P. S. Bhupal Dev, Christina Gao +2
Multiple cosmological observations hint at neutrino self-interactions beyond the Standard Model, yet such interactions face severe constraints from terrestrial experiments. We reso…
`Dark' Matter Effect as a Novel Solution to the KM3-230213A Puzzle
P. S. Bhupal Dev, Bhaskar Dutta, Aparajitha Karthikeyan +3
The recent KM3NeT observation of an event KM3-230213A is puzzling because IceCube with much larger effective area times exposure has not found any such e…