54 citations · 183 across the 18 of their papers we have counts for
9 papers · 1 filter
CPT-violating neutrino oscillations
S. Esposito, G. Salesi
We propose a simple phenomenological model predicting, through Lorentz symmetry breaking, a CPT-violating asymmetry between particle and antiparticle states in neutrino oscillation…
Dependence of the critical temperature on the Higgs field reparametrization
E. Di Grezia, S. Esposito, G. Salesi
We show that, despite of the reparametrization symmetry of the Lagrangian describing the interaction between a scalar field and gauge vector bosons, the dynamics of the Higgs mecha…
Baryon asymmetry in the Universe resulting from Lorentz violation
E. Di Grezia, S. Esposito, G. Salesi
We analyze the phenomenological consequences of a Lorentz violating energy-momentum dispersion relation in order to give a simple explanation for the baryon asymmetry in the Univer…
Laboratory bounds on Lorentz symmetry violation in low energy neutrino physics
E. Di Grezia, S. Esposito, G. Salesi
Quantitative bounds on Lorentz symmetry violation in the neutrino sector have been obtained by analyzing existing laboratory data on neutron decay and pion leptonic decays. In…
The effect of very low energy solar neutrinos on the MSW mechanism
S. Esposito
We study some implications on standard matter oscillations of solar neutrinos induced by a background of extremely low energy thermal neutrinos trapped inside the Sun by means of c…
The action of neutrino ponderomotive force on supernova dynamics
S. Esposito
Collective interactions of a beam of neutrinos/antineutrinos traversing a dense magnetized plasma of electrons/positrons, protons and neutrons are studied with particular reference…
Flavour-conserving oscillations of Dirac-Majorana neutrinos
S. Esposito
We analyze both chirality-changing and chirality-preserving transitions of Dirac-Majorana neutrinos. In vacuum, the first ones are suppressed with respect to the others due to heli…
Pontecorvo neutrino-antineutrino oscillations: theory and experimental limits
S. Esposito, N. Tancredi
We study Pontecorvo neutrino-antineutrino oscillations both in vacuum and in matter within a field theoretic approach, showing that this phenomenon can occur only if neutrinos have…
On the indistinguishibility of Majorana- from Dirac-neutrino propagation in a stellar medium
S. Esposito
We study, in the framework of the Standard Model, the propagation of (pure) Majorana neutrinos in a typical stellar medium and show that Majorana neutrino matter oscillations are c…