An optimised oscillation analysis of MINOS beam data

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This thesis presents results of the MINOS long baseline neutrino oscillation experiment. Charged Current interactions of {nu}{sub {mu}} from the NuMI beamline have been recorded in both the Near and Far Detectors between May 2005 and February 2006, corresponding to 1.27 x 10{sup 20} protons being delivered to the NuMI target. Several techniques for improving the sensitivity of an oscillation measurement are discussed and their impact assessed. 378 events are observed in the Far Detector during this period, compared to a prediction of 459 {+-} 31 events are observed in the Far Detector during this period, compared to a prediction ... continued below

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180 pages

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Culling, Andrew John & U., /Cambridge September 1, 2007.

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Description

This thesis presents results of the MINOS long baseline neutrino oscillation experiment. Charged Current interactions of {nu}{sub {mu}} from the NuMI beamline have been recorded in both the Near and Far Detectors between May 2005 and February 2006, corresponding to 1.27 x 10{sup 20} protons being delivered to the NuMI target. Several techniques for improving the sensitivity of an oscillation measurement are discussed and their impact assessed. 378 events are observed in the Far Detector during this period, compared to a prediction of 459 {+-} 31 events are observed in the Far Detector during this period, compared to a prediction of 459 {+-} 31 events when the observed Near Detector spectrum is extrapolated to the Far Detector over the 735 km baseline with no oscillations. In addition to this deficit of observed events, there is also evidence for spectral distortion in the Far Detector. A maximum likelihood analysis is used to determine the best fit point and allowed regions in {Delta}m{sup 2}{sub 23} and sin{sup 2}2{theta}{sub 23} parameter space. The best fit values for {Delta}m{sup 2}{sub 23} and sin{sup 2}2{theta}{sub 23} are found to be 2.55{sup +0.39}{sub -0.24} x 10{sup -3} eV{sup 2} and > 0.87 (68% CL) respectively.

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180 pages

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  • Report No.: FERMILAB-THESIS-2007-27
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/919083 | External Link
  • Office of Scientific & Technical Information Report Number: 919083
  • Archival Resource Key: ark:/67531/metadc889902

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 1, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 8, 2016, 8:50 p.m.

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Culling, Andrew John & U., /Cambridge. An optimised oscillation analysis of MINOS beam data, thesis or dissertation, September 1, 2007; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc889902/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.