Suppression of self-induced flavor conversion in the supernova accretion phase
作者： Srdjan Sarikas , Georg G. Raffelt , Lorenz Hüdepohl , Hans-Thomas Janka
DOI: 10.1103/PHYSREVLETT.108.061101
关键词:
摘要: Self-induced flavor conversions of supernova (SN) neutrinos can strongly modify the flavor-dependent fluxes. We perform a linearized stability analysis with accretion-phase matter profiles $15{M}_{\ensuremath{\bigodot}}$ spherically symmetric model and corresponding neutrino use realistic energy angle distributions, latter deviating from quasi-isotropic emission, thus accounting for both multiangle multienergy effects. For our density profile we always find stable conditions: are limited to usual Mikheyev-Smirnov-Wolfenstein effect. In this case one may distinguish mass hierarchy in SN signal if mixing ${\ensuremath{\theta}}_{13}$ is as large suggested by recent experiments.
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