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A Search for Muon Neutrino to Electron Neutrino Oscillations in the MINOS Experiment


Ochoa Ricoux, Juan Pedro (2010) A Search for Muon Neutrino to Electron Neutrino Oscillations in the MINOS Experiment. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/PS40-G206.


We perform a search for muon neutrino to electron neutrino oscillations, a process which would manifest a nonzero value of the theta-13 mixing angle, in the MINOS long-baseline neutrino oscillation experiment. The analysis consists of searching for an excess of electron neutrino charged-current candidate events over the predicted backgrounds, made mostly of neutral-current events with high electromagnetic content. A novel technique to select electron neutrino events is developed, which achieves an improved separation between the signal and the backgrounds, and which consequently yields a better reach in theta-13. The backgrounds are predicted in the Far Detector from Near Detector measurements. An excess is observed in the Far Detector data over the predicted backgrounds, which is consistent with the background-only hypothesis at 1.2 standard deviations.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:neutrino; oscillations; electron; appearance; library; event; matching; minos;
Degree Grantor:California Institute of Technology
Division:Physics, Mathematics and Astronomy
Major Option:Physics
Awards:John Stager Stemple Memorial Prize in Physics, 2006
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Newman, Harvey B.
Thesis Committee:
  • Newman, Harvey B. (chair)
  • McKeown, Robert D.
  • Weinstein, Alan Jay
  • Wise, Mark B.
Defense Date:21 October 2009
Non-Caltech Author Email:jpochoa (AT)
Record Number:CaltechTHESIS:11022009-111710517
Persistent URL:
Ochoa Ricoux, Juan Pedro0000-0001-7376-5555
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5346
Deposited By: Juan Ochoa Ricoux
Deposited On:23 Dec 2009 16:36
Last Modified:26 Oct 2021 18:38

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