Super-Kamiokande atmospheric neutrinos: Status of subdominant oscillations

May, 2001
18 pages
Published in:
  • Phys.Rev.D 64 (2001) 093005
e-Print:

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Abstract:
In the context of the recent (79.5 kTy) Super-Kamiokande atmospheric neutrino data, we concisely review the status of muonic-tauonic flavor oscillations and of the subdominant electron or sterile neutrino mixing, in schemes with three or four families and one dominant mass scale. In the three-family case, where we include the full CHOOZ spectral data, we also show, through a specific example, that ``maximal'' violations of the one-dominant mass scale approximation are not ruled out yet.
  • neutrino: oscillation
  • neutrino: atmosphere
  • neutrino: cosmic radiation
  • flavor: 2
  • neutrino/mu
  • neutrino/tau
  • flavor: 3
  • flavor: 4
  • neutrino/e
  • neutrino: sterile