Thursday, March 17, 2011, 3:00 pm — Small Seminar Room, Bldg. 510
Ten years ago, solar neutrino data from Super-Kamiokande and the Sudbury Neutrino Observatory demonstrated neutrino flavor conversion and constrained the neutrino oscillation parameters to lie within the ?Large Mixing Angle? (LMA) solution area. These parameters predict distortion of the solar neutrino spectrum near 3 MeV and a few percent of regeneration of $\nu_e$ flavor from the Earth?s matter density (day/night effect), but neither signature has been found so far in Super-Kamiokande or SNO data. I will present Super-Kamiokande improvements in controlling radioactive backgrounds at the lowest energies and the impact on its sensitivity to these LMA effects as well as the most recent Super-Kamiokande measurements.
Hosted by: David Jaffe
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