A Type II Supernovae Constraint on $ν_e$-$ν_s$

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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plain Tex 11 pages, 3 figures available upon request from the authors. (shi6@oddjob.uchicago.edu, sigl@oddjob)

Scientific paper

10.1016/0370-2693(94)91232-7

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.

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