skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Electron Neutrino Appearance in the MINOS Experiment

Abstract

This thesis describes a search for v e appearance in the two-detector long-baseline MINOS neutrino experiment at Fermilab, based on a data set representing an exposure of 8.2×10 20 protons on the NuMI target. The analysis detailed herein represents an increase in sensitivity to the θ 13 mixing angle of approximately 25% over previous analyses, due to improvements in the event discriminant and fitting technique. Based on our observation, we constrain the value of θ 13 further, finding 2 sin 2θ 23 sin 2θ 13< 0.12(0.20) at the 90% confidence level for δ CP = 0 and the normal (inverted) neutrino mass hierarchy. The best-fit value is 2 sin 2θ 23 sin 2θ 13 = 0.041 +0.047 -0.031(0.079 +0.071 -0.053) under the same assumptions. We exclude the θ 13 = 0 hypothesis at the 89% confidence level.

Authors:
 [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1156435
Report Number(s):
FERMILAB-THESIS-2012-10
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Thesis/Dissertation
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Orchanian, Mhair-armen Hagop. Electron Neutrino Appearance in the MINOS Experiment. United States: N. p., 2012. Web. doi:10.2172/1156435.
Orchanian, Mhair-armen Hagop. Electron Neutrino Appearance in the MINOS Experiment. United States. doi:10.2172/1156435.
Orchanian, Mhair-armen Hagop. Sun . "Electron Neutrino Appearance in the MINOS Experiment". United States. doi:10.2172/1156435. https://www.osti.gov/servlets/purl/1156435.
@article{osti_1156435,
title = {Electron Neutrino Appearance in the MINOS Experiment},
author = {Orchanian, Mhair-armen Hagop},
abstractNote = {This thesis describes a search for ve appearance in the two-detector long-baseline MINOS neutrino experiment at Fermilab, based on a data set representing an exposure of 8.2×1020 protons on the NuMI target. The analysis detailed herein represents an increase in sensitivity to the θ13 mixing angle of approximately 25% over previous analyses, due to improvements in the event discriminant and fitting technique. Based on our observation, we constrain the value of θ13 further, finding 2 sin2θ 23 sin2θ 13< 0.12(0.20) at the 90% confidence level for δCP = 0 and the normal (inverted) neutrino mass hierarchy. The best-fit value is 2 sin2θ 23 sin2θ 13 = 0.041+0.047 -0.031(0.079+0.071 -0.053) under the same assumptions. We exclude the θ 13 = 0 hypothesis at the 89% confidence level.},
doi = {10.2172/1156435},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2012},
month = {Sun Jan 01 00:00:00 EST 2012}
}

Thesis/Dissertation:
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that hold this thesis or dissertation.

Save / Share: