A D<inf>2</inf>O detector for flux normalization of a pion decay-at-rest neutrino source
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2021-08-01
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We report on the technical design and expected performance of a 592 kg heavy-water-Cherenkov detector to measure the absolute neutrino flux from the pion-decay-at-rest neutrino source at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL). The detector will be located roughly 20 m from the SNS target and will measure the neutrino flux with better than 5% statistical uncertainty in 2 years. This heavy-water detector will serve as the first module of a two-module detector system to ultimately measure the neutrino flux to 2-3% at both the First Target Station and the planned Second Target Station of the SNS. This detector will significantly reduce a dominant systematic uncertainty for neutrino cross-section measurements at the SNS, increasing the sensitivity of searches for new physics.
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Akimov, D, P An, C Awe, PS Barbeau, B Becker, V Belov, I Bernardi, MA Blackston, et al. (2021). A D2O detector for flux normalization of a pion decay-at-rest neutrino source. Journal of Instrumentation, 16(8). pp. P08048–P08048. 10.1088/1748-0221/16/08/P08048 Retrieved from https://hdl.handle.net/10161/23992.
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Phillip S. Barbeau
Professor Barbeau’s research interests are predominantly in the fields of neutrino and astroparticle physics. His efforts are focused on (but not limited to) three major areas of research: studying the physics of coherent neutrino-nucleus scattering; novel searches for the dark matter in our universe; and searches for zero neutrino double beta decay. The unifying aspect of the work is the common need for new and creative detector development in order to solve some of the “hard” problems in low-background rare-event detection.
Diane M Markoff
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