Effects of neutrino oscillations on the supernova signal in LVD

Dec, 2001

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Abstract: (Elsevier)
We study the impact of neutrino oscillations on the supernova neutrino signal in the Large Volume Detector (LVD). The number of expected events for a galactic supernova ( D = 10 kpc) is calculated, assuming neutrino masses and mixing that explain solar and atmospheric neutrino results. The possibility to detect neutrinos in different channels makes LVD sensitive to different scenarios for ν properties, such as normal or inverted ν mass hierarchy, and/or adiabatic or non adiabatic MSW resonances associated to U e3 . Of particular importance are the charged current (c.c.) reactions on 12 C: oscillations increase by almost one order of magnitude the number of events expected from this channel.
Note:
  • 4 pages, 3 figures. Presented at TAUP 2001 (7th international workshop on Topics in Astroparticle and Underground Physics), Sep 2001, Laboratori Nazionali del Gran Sasso, Assergi, Italy
  • talk: Assergi 2001/09/08
  • neutrino: oscillation
  • flavor: 3
  • supernova
  • neutrino: particle source
  • neutrino: mass difference
  • neutrino: mixing angle
  • MSW effect effect
  • neutrino nucleus: interaction
  • antineutrino p: interaction