A bstract In seesaw mechanism, if right handed (RH) neutrino masses are generated
dynamically by a gauged U (1) symmetry breaking, a stochastic gravitational wave …

The expansion rate of the Universe deviates from its standard value when the total energy
density includes contribution from a new scalar field apart from the radiation energy density …

A bstract We use S 4 discrete group to construct a neutrino flavour model which leads to TM
1 mixing and is consistent with the neutrino oscillation data. Using the model's constrained …

Within Type-I seesaw mechanism, Higgs mass can be dynamically generated via quantum
effects of the right handed neutrinos assuming the potential is nearly conformal at the Ultra …

A bstract We present a systematic study of leptogenesis in neutrino mass models with μτ-
flavoured CP symmetry. In addition to the strong hierarchical N1-dominated scenario (N 1 …

A bstract We propose a complex extension of μτ permutation antisymmetry in the neutrino
Majorana matrix M ν. The latter can be realized for the Lagrangian by appropriate CP …

A bstract Within the framework of residual symmetry, two ℤ 2 type associate μτ inter-change
symmetries robustly constrain the Dirac CP phase δ in a model independent way. Both of …

A bstract Within the Type-I seesaw mechanism, quantum effects of the right-handed (RH)
neutrinos in the gravitational background lead to an asymmetric propagation of lepton and …

A bstract We investigate the consequences of a generalized ℤ 2× ℤ 2 symmetry on a scaling
neutrino Majorana mass matrix. It enables us to determine definite analytical relations …

In a novel standard model extension it has been suggested that, even in the absence of right-
handed neutrinos and type-I seesaw, purely triplet leptogenesis leading to baryon …