Shock propagation and neutrino oscillation in supernova

Details Shock propagation and neutrino oscillation in supernova Shock propagation and neutrino oscillation in supernova

2002-12-09

arxiv.org/abs/astro-ph/0212195v2

Astropart.Phys. 20 (2003) 189-193

Astronomy and Astrophysics

Astrophysics

6 pages, 7 figures

Scientific paper

10.1016/S0927-6505(03)00175-0

The effect of the shock propagation on neutrino oscillation in supernova is studied paying attention to evolution of average energy of $\nu_{e}$ and $\bar{\nu}_{e}$. We show that the effect appears as a decrease in average $\nu_{e}$ (in case of inverted mass hierarchy, $\bar{\nu}_{e}$) energy at stellar surface as the shock propagates. It is found that the effect is significant 2 seconds after bounce if $3 \times 10^{-5} < \sin^{2}{\theta_{13}} < 10^{-2}$.

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