From supernova neutrinos to low energy beta beams

Details From supernova neutrinos to low energy beta beams From supernova neutrinos to low energy beta beams

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..dnp.da004v&link_type=abstract

American Physical Society, Division of Nuclear Physics Fall Meeting, October 30 - November 1, 2003, Tucson, Arizona, MEETING ID:

Physics

Nuclear Physics

Scientific paper

Supernova type II explosions are powerful neutrino sources. The detection of neutrinos from a galactic supernova would provide important information for understanding the supernova explosion -- a phenomenon not yet fully understood -- as well as neutrino properties, such as their masses and mixing angles. Neutrino oscillations in the supernova modify the initial neutrino fluxes at time of emission. We will show how one can determine the initial neutrino spectra. Once the fluxes are known, one can use supernova neutrinos to get very interesting limits on the presently less known neutrino mixing angle θ_13 tev2. This requires, in particular, a precise knowledge of neutrino-nucleus interaction cross sections, which are also important for nucleosynthesis studies as well as for many current neutrino experiments. A facility for low energy neutrinos, based on the beta-beam concept tez1, would offer the opportunity to perform systematic studies of these interactions of interest for nuclear physics, particle physics and astrophysics tev3.
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v2 J. Engel, G. MacLaughlin and C. Volpe, Phys. Rev. D 67, 013005 (2003).
z1 P. Zucchelli, Phys. Lett. B 532, 166 (2002).
v3 C. Volpe, hep-ph/0303222, submitted to Physical Review Letters. thebibliography

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