3 papers
hep-ph2026
Flavor Alignment and Mass Hierarchy: Doing Everything Scotogenically
Ernest Ma
Flavor alignment and mass hierarchy in quarks are shown to be achievable together in a renormalizable theory using the dark sector, while keeping only the one Higgs doublet of the…
hep-ph2026
Cosmological Probes of Lepton Parity Freeze-in Dark Matter: & Gravitational Waves
Ernest Ma, Partha Kumar Paul, Narendra Sahu
In the canonical type-I seesaw mechanism for neutrino masses, a residual symmetry known as lepton parity: , remains preserved. Introducing a Majorana fermion with even…
hep-ph2026
Naturally small Dirac neutrino mass and dark matter
Ernest Ma, Partha Kumar Paul, Narendra Sahu
In the conventional gauged extension of the standard model, the charge of the singlet scalar , responsible for the breaking of symmetry, is taken to…