KPipe: a decisive test for muon neutrino disappearance
Abstract
The short baseline neutrino oscillation experiment, KPipe, is designed to perform a sensitive search for muon neutrino disappearance in the current global fit allowed regions for sterile neutrinos. KPipe is to be located at the Material Life Science Experimental Facility at J-PARC: the world's most intense source of 236~MeV, monoenergetic muon neutrinos. By measuring the μ charged current interaction rate along a 120~m long, 3~m diameter detector, KPipe can map out short baseline oscillations over an L/E of 0.14 to 0.64~m/MeV. Using a long, single detector to measure the μ interaction rate as a function of distance largely eliminates the systematic uncertainties associated with cross sections and fluxes. In this paper, we show that KPipe can cover the current global best fit to 5σ after 3 years of running.
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