A Type II Supernovae Constraint on ${\nu }_e$-${\nu }_s$

Abstract

The role of a resonant ${\nu }_e$-${\nu }_s$ oscillation is discussed in the event of a supernova explosion. It is concluded that a significant ${\nu }_e$-${\nu }_s$ mixing may hinder the ability of the supernova to explode. It may also cool the proto-neutron star too quickly with respect to the observed cooling time of several seconds. The constraints on the ${\nu }_e$-${\nu }_s$ mixing parameters based on the above arguments are calculated.

plain Tex 11 pages, 3 figures available upon request from the authors. ([email protected], sigl@oddjob)

References in corpus (2)

• Constraints on Neutrino Oscillations from Big Bang Nucleosynethesis
• Neutrino Flavor Conversion in a Supernova Core

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