Detector R&D for future neutrino experiments with the NuMI beamline.

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This document is the result of a request from the Fermilab directorate to (i) investigate the detector technology issues relevant for future long baseline experiments and (ii) consider the associated detector R and D that would be needed to prepare the way for future neutrino oscillation experiments using the NuMI beamline. Because of the narrow energy spread provided by an off-axis beam and the resulting low intrinsic electron neutrino background, as well as the very favorable duty cycle of the NuMI beamline, a well-placed neutrino detector at the surface of the earth could take the next important steps in neutrino ... continued below

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106 pages

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Drake, G.; Goodman, M.; Bareboim, G.; Bodek, A.; Bross, A.; Buckley-Geer, L. et al. July 25, 2003.

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Description

This document is the result of a request from the Fermilab directorate to (i) investigate the detector technology issues relevant for future long baseline experiments and (ii) consider the associated detector R and D that would be needed to prepare the way for future neutrino oscillation experiments using the NuMI beamline. Because of the narrow energy spread provided by an off-axis beam and the resulting low intrinsic electron neutrino background, as well as the very favorable duty cycle of the NuMI beamline, a well-placed neutrino detector at the surface of the earth could take the next important steps in neutrino oscillation physics. The biggest outstanding issue in this field is whether or not the last unmeasured element of the leptonic mixing matrix, parameterized by the mixing angle {theta}{sub 13}, is nonzero. If it is in fact non-zero, this opens the door to measurements of the neutrino mass hierarchy and, if the solar neutrino oscillations are described by the LMA solution, searches for CP violation in the lepton sector. In order to get to any of these measurements, an off-axis detector must be capable of measuring the {nu}{sub {mu}}({bar {nu}}{sub {mu}}) {yields} {nu}{sub e}({bar {nu}}{sub e}) transition probabilities as well as the {nu}{sub {mu}}({bar {nu}}{sub {mu}}) survival probabilities, at the energies present in these off-axis beams, which could lie anywhere from 0.6 to 3 GeV. Optimal baselines and energies will depend on the physics goal of the experiment. For example, an optimization of the sensitivity for {nu}{sub e} appearance from a {nu}{sub {mu}} beam assuming {Delta}m{sub 32}{sup 2} = 3 x 10{sup -3} eV{sup 2} would lead to a baseline of {approx} 700-900 km and an energy of {approx} 2.2 GeV.

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106 pages

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  • Other Information: PBD: 25 Jul 2003

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  • Report No.: NUMI-880
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/815672 | External Link
  • Office of Scientific & Technical Information Report Number: 815672
  • Archival Resource Key: ark:/67531/metadc734792

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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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  • July 25, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • March 29, 2016, 4:34 p.m.

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Drake, G.; Goodman, M.; Bareboim, G.; Bodek, A.; Bross, A.; Buckley-Geer, L. et al. Detector R&D for future neutrino experiments with the NuMI beamline., report, July 25, 2003; Illinois. (digital.library.unt.edu/ark:/67531/metadc734792/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.