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Minimal dark origin of a massless Dirac neutrino
P. S. Bhupal Dev, Julia Gehrlein, Amartya Sengupta +1
We propose a gauge-symmetry origin of a rank-two Dirac neutrino mass matrix that enforces one exactly massless neutrino, while being consistent with the oscillation data, as well a…
Updated Constraints from Electric Dipole Moments in the MSSM with R-Parity Violation
Wolfgang Altmannshofer, P. S. Bhupal Dev, Amarjit Soni +1
We revisit the electric dipole moments (EDMs) of quarks and leptons in the Minimal Supersymmetric Standard Model (MSSM) with trilinear -parity violation (RPV). In this framework…
Old neutron stars as a new probe of relic neutrinos and sterile neutrino dark matter
Saurav Das, P. S. Bhupal Dev, Takuya Okawa +1
We study the kinetic cooling (heating) of old neutron stars due to coherent scattering with relic neutrinos (sterile neutrino dark matter) via Standard Model neutral-current intera…