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Decisive disappearance search at high Δm[superscript 2] with monoenergetic muon neutrinos

Author(s)
Shaevitz, M. H.; Axani, Spencer Nicholas; Collin, Gabriel Lewis; Conrad, Janet; Spitz, Joshua B.; Wongjirad, Taritree; ... Show more Show less
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Abstract
“KPipe” is a proposed experiment which will study muon neutrino disappearance for a sensitive test of the Δm[superscript 2] ~ 1  eV[superscript 2] anomalies, possibly indicative of one or more sterile neutrinos. The experiment is to be located at the J-PARC Materials and Life Science Experimental Facility’s spallation neutron source, which represents the world’s most intense source of charged kaon decay-at-rest monoenergetic (236 MeV) muon neutrinos. The detector vessel, designed to measure the charged-current interactions of these neutrinos, will be 3 m in diameter and 120 m long, extending radially at a distance of 32 to 152 m from the source. This design allows a sensitive search for ν[subscript μ] disappearance associated with currently favored light sterile neutrino models and features the ability to reconstruct the neutrino oscillation wave within a single, extended detector. The required detector design, technology, and costs are modest. The KPipe measurements will be robust since they depend on a known energy neutrino source with low expected backgrounds. Further, since the measurements rely only on the measured rate of detected events as a function of distance, with no required knowledge of the initial flux and neutrino interaction cross section, the results will be largely free of systematic errors. The experimental sensitivity to oscillations, based on a shape-only analysis of the L/E distribution, will extend an order of magnitude beyond present experimental limits in the relevant high-Δm[superscript 2] parameter space.
Date issued
2015-11
URI
http://hdl.handle.net/1721.1/100025
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Axani, S., G. Collin, J. M. Conrad, M. H. Shaevitz, J. Spitz, and T. Wongjirad. "Decisive disappearance search at high Δm[superscript 2] with monoenergetic muon neutrinos." Phys. Rev. D 92, 092010 (November 2015). © 2015 American Physical Society
Version: Final published version
ISSN
1550-7998
1550-2368

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