Untangling supernova-neutrino oscillations with beta-beam data

Details Untangling supernova-neutrino oscillations with beta-beam data Untangling supernova-neutrino oscillations with beta-beam data

2008-04-02

arxiv.org/abs/0804.0360v1

Phys.Rev.C77:055501,2008

Physics

Nuclear Physics

Nuclear Theory

13 pages, 11 figures, accepted for publication in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.77.055501

Recently, we suggested that low-energy beta-beam neutrinos can be very useful for the study of supernova neutrino interactions. In this paper, we examine the use of a such experiment for the analysis of a supernova neutrino signal. Since supernova neutrinos are oscillating, it is very likely that the terrestrial spectrum of supernova neutrinos of a given flavor will not be the same as the energy distribution with which these neutrinos were first emitted. We demonstrate the efficacy of the proposed method for untangling multiple neutrino spectra. This is an essential feature of any model aiming at gaining information about the supernova mechanism, probing proto-neutron star physics, and understanding supernova nucleosynthesis, such as the neutrino process and the r-process. We also consider the efficacy of different experimental approaches including measurements at multiple beam energies and detector configurations.

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