Electron neutrino and antineutrino appearance in the MINOS detector

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Electron neutrino and antineutrino appearance in the MINOS detector

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The Main Injector Neutrino Oscillation Search (MINOS) is a long-baseline neutrino experiment that utilizes a particle beam and two steel-scintillator calorimeters designed to determine the parameters associated with muon neutrino disappearance. Analysis methods developed by the MINOS νe group have facilitated the placement of limits upon the mixing angle associated with νμ → νe oscillations. Since the polarity of the focusing horns can be switched, we can perform a similar analysis with an antineutrino-enriched beam to select electron antineutrino appearance candidates. Using 3.34e20 POT (protons on target) in the antineutrino mode, we exclude θ13 = 0 at the 80% C.L. A joint fit of the 3.34e20 POT antineutrino and 10.6e20 POT neutrino samples excluded θ13 = 0 at the 96% C.L. In addition, the combined data were used to produce exclusions regarding the CP-violating phase.


University of Minnesota Ph.D. dissertation. April 2013. Major: Physics. Advisors: Professor Marvin Marshak and Assistant Professor Gregory Pawloski. 1 computer file (PDF); viii, 134 pages.

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Schreckenberger, Adam Paul. (2013). Electron neutrino and antineutrino appearance in the MINOS detector. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/151375.

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