Collective neutrino oscillations and detectabilities in failed supernovae

Abstract

We investigate the collective neutrino oscillations under the three flavor multi-angle approximation in a spherically symmetric simulation of failed supernovae. A failed supernova emits high neutrino fluxes in a short time, while intense accretion proceeds with high electron density enough to experience re-collapse into a black hole. Our results show that matter-induced effects completely dominate over neutrino self-interaction effects and multi-angle matter suppression occurs at all time snapshots we studied. These facts suggest us that only MSW resonances affect the neutrino flavor conversions in failed supernovae and simple spectra will be observed at neutrino detectors. We also estimate the neutrino event rate in current and future neutrino detectors from a source at 10 kpc as a Galactic event. The time evolution of neutrino detection could provide information about the dense and hot matter and constrain the neutrino mass ordering problem.

arXiv commentAccepted for publication in Phys. Rev. D, 11 pages, 11 figures, 1 table

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Cited by in corpus (12)

• On the occurrence of fast neutrino flavor conversions in multidimensional supernova models
• General-Relativistic Quantum-Kinetics Neutrino Transport
• Timing the Neutrino Signal of a Galactic Supernova
• Neutrino halo effect on collective neutrino oscillation in iron core-collapse supernova model of a 9.6 $M_{\odot }$ star
• Detectability of Collective Neutrino Oscillation Signatures in the Supernova Explosion of a 8.8 $M_{\odot }$ star
• Nuclear Weak Rates and Nuclear Weak Processes in Stars
• Neutrino-antineutrino oscillations induced by strong magnetic fields in dense matter
• Three-flavor collective neutrino conversions with multi-azimuthal-angle instability in an electron-capture supernova model
• Neutrino oscillations in a neutrino-dominated accretion disk around a Kerr BH
• First Detailed Calculation of Atmospheric Neutrino Foregrounds to the Diffuse Supernova Neutrino Background in Super-Kamiokande
• Nonlinear evolution of fast neutrino flavor conversion in the preshock region of core-collapse supernovae
• Neutrino transport with Monte Carlo method: II. Quantum Kinetic Equations