Thursday, September 23, 2010, 3:00 pm — Small Seminar Room, Bldg. 510
The first MiniBooNE electron neutrino appearance oscillation result published in April of 2007 ruled out a simple, CP-conserving two neutrino oscillation explanation of the LSND signal above a reconstructed neutrino energy of 475 MeV. However, MiniBooNE unexpectedly observed a significant excess of electron-like events below a reconstructed neutrino energy of 475 MeV. For the last four year MiniBooNE has been running in anti-neutrino mode, which can directly test the LSND oscillation signal. An initial anti-neutrino appearance result with 3.39E20 POT was published a year ago and was inconclusive with regard to LSND oscillations due to low statistics. An updated anti-neutrino oscillation result with 5.66E20 POT now shows an oscillation signal consistent with LSND. Details of the analysis and results of the oscillation fits will be discussed. Future run plans and follow on experiments will also be presented.
Hosted by: Serban Protopopescu
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