PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Neutrino Physics
Testing the MSW effect in Supernova Explosion with Neutrino event rates
C.S.J. Leung,* G.L. Lin
*corresponding author
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Pre-published on: January 13, 2021
Published on:
Abstract
The flavor transition mechanisms of supernova neutrinos as they propagate outward from the deep inside of a supernova are yet to be determined. We study the time-evolution patterns of different neutrino flavors in various flavor transition scenarios. With simulation data of supernova neutrinos, we calculate the neutrino event rates at liquid Argon detector for different flavor transition scenarios. Using the calculated event rates of $\nu_e{\rm Ar}$ in liquid argon detector, we calculate the ratio of cumulative time distribution up to $t_{\rm pb}=100~{\rm ms}$ in several supernova neutrino simulations. We show that the time evolutions of cumulative ratios are effective in determining whether the MSW oscillations really occur.
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