Collective neutrinos oscillation in matter and CP-violation

Abstract

We explore CP violation effects on the neutrino propagation in dense environments, such as in core-collapse supernovae, where the neutrino self-interaction induces non-linear evolution equations. We demonstrate that the electron (anti)neutrino fluxes are not sensitive to the CP violating phase if the muon and tau neutrinos interact similarly with matter. On the other hand, we numerically show that new features arise, because of the non-linearity and the flux dependence of the evolution equations, when the muon and tau neutrinos have different fluxes at the neutrinosphere (due to loop corrections or of physics beyond the Standard Model). In particular, the electron (anti)neutrino probabilities and fluxes depend upon the CP violating phase. We also discuss the CP effects induced by radiative corrections to the neutrino refractive index.

8 pages and 9 figures

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Cited by in corpus (24)

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• Linear Analysis of Fast-Pairwise Collective Neutrino Oscillations in Core-Collapse Supernovae based on the Results of Boltzmann Simulations
• Analysis of matter suppression in collective neutrino oscillations during the supernova accretion phase
• Turbulence effects on supernova neutrinos
• Primordial neutrino asymmetry evolution with full mean-field effects and collisions
• Three Flavor Neutrino Oscillations in Matter: Flavor Diagonal Potentials, the Adiabatic Basis and the CP phase
• Neutrino Magnetic Moment, CP Violation and Flavor Oscillations in Matter
• Flavour-dependent radiative correction to neutrino-neutrino refraction
• Symmetries in collective neutrino oscillations
• Signatures of collective and matter effects on supernova neutrinos at large detectors
• Geometric phases in neutrino oscillations with nonlinear refraction
• Neutrino oscillations in Kerr-Newman space-time
• CP violating Tri-bimaximal-Cabibbo mixing
• Systematic local simulations of fast neutrino flavor conversions with scattering effects
• Time dependent signatures of core-collapse supernova neutrinos at HALO
• Collective flavor transitions of supernova neutrinos
• Moment equations of neutrinos in supernova
• The Universe at the MeV era: neutrino evolution and cosmological observables
• Asymmetric emissions of neutrinos in the cooling of rotating proto-neutron stars
• Emission angle distribution and flavor transformation of supernova neutrinos
• Effects of spacetime geometry on neutrino oscillation inside a Core-Collapse Supernova
• Nuclear Physics and Astrophysics of Neutrino Oscillations