Axial Symmetry Breaking in Self-Induced Flavor Conversionof Supernova Neutrino Fluxes
Axial Symmetry Breaking in Self-Induced Flavor Conversionof Supernova Neutrino Fluxes
Neutrino-neutrino refraction causes self-induced flavor conversion in dense neutrino fluxes. For the first time, we include the azimuth angle of neutrino propagation as an explicit variable and find a new generic multi-azimuth-angle instability which, for simple spectra, occurs in the normal neutrino mass hierarchy. Matter suppression of this instability in …