Supernova-Neutrino Studies with $^{100}$Mo

Details Supernova-Neutrino Studies with $^{100}$Mo Supernova-Neutrino Studies with $^{100}$Mo

2001-12-17

arxiv.org/abs/astro-ph/0112379v2

Phys.Lett. B530 (2002) 27-32

Astronomy and Astrophysics

Astrophysics

7 pages, 1 figure

Scientific paper

10.1016/S0370-2693(02)01349-7

We show that supernova neutrinos can be studied by observing their charged-current interactions with $^{100}$Mo, which has strong spin-isospin giant resonances. Information about both the effective temperature of the electron neutrino sphere and the oscillation into electron neutrinos of other flavors can be extracted from the electron (inverse $\beta$) spectrum. We use measured hadronic charge-exchange spectra and the Quasiparticle Random Phase Approximation to calculate the charged-current response of $^{100}$Mo to electron neutrinos from supernovae, with and without the assumption of oscillations. A scaled up version of the MOON detector for $\beta \beta$ and solar-neutrino studies could potentially be useful for spectroscopic studies of supernova neutrinos as well.

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