Prospective Constraints on Neutrino Masses from a Core-Collapse Supernova

Abstract

We discuss the prospects for improved upper limits on neutrino masses that may be provided by a core-collapse supernova explosion in our galaxy, if it exhibits time variations in the neutrino emissions on the scale of a few milliseconds as suggested by recent two-dimensional simulations. Analyzing simulations of such neutrino emissions using the wavelet technique adopted in [1], we find that an upper limit m_nu ~ 0.14 eV could be established at the 95% confidence level if the time variations in emissions were to be preserved during neutrino propagation to the Earth.

10 pages, 3 figures. Continues studies from arXiv:1110.4848. The version accepted in Phys. Rev. D

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Cited by in corpus (7)

• Explosion Mechanisms of Core-Collapse Supernovae
• Grand Unified Neutrino Spectrum at Earth: Sources and Spectral Components
• Fast time variations of supernova neutrino signals from 3-dimensional models
• Impact of sterile neutrinos on the early time flux from a galactic supernova
• Tachyonic neutrinos and the neutrino masses
• Six observations consistent with the electron neutrino being a tachyon with mass: $m_{{\nu }_e}^2=-0.11\pm 0.016e{V}^2$
• Could a reported 2007 analysis of Super-Kamiokande data have missed a detectable supernova signal from Andromeda?