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  • A D2O detector for flux nor...
    Akimov, D.; An, P.; Awe, C.; Barbeau, P.S.; Becker, B.; Belov, V.; Bernardi, I.; Blackston, M.A.; Bolozdynya, A.; Cabrera-Palmer, B.; Chernyak, D.; Conley, E.; Daughhetee, J.; Day, E.; Detwiler, J.; Ding, K.; Durand, M.R.; Efremenko, Y.; Elliott, S.R.; Fabris, L.; Febbraro, M.; Gallo Rosso, A.; Galindo-Uribarri, A.; Green, M.P.; Heath, M.R.; Hedges, S.; Hoang, D.; Hughes, M.; Johnson, T.; Khromov, A.; Konovalov, A.; Koros, J.; Kozlova, E.; Kumpan, A.; Li, L.; Link, J.M.; Liu, J.; Mann, K.; Markoff, D.M.; Mastroberti, J.; Mueller, P.E.; Newby, J.; Parno, D.S.; Penttila, S.I.; Pershey, D.; Rapp, R.; Ray, H.; Raybern, J.; Razuvaeva, O.; Reyna, D.; Rich, G.C.; Ross, J.; Rudik, D.; Runge, J.; Salvat, D.J.; Salyapongse, A.M.; Scholberg, K.; Shakirov, A.; Simakov, G.; Sinev, G.; Snow, W.M.; Sosnovstsev, V.; Suh, B.; Tayloe, R.; Tellez-Giron-Flores, K.; Tolstukhin, I.; Ujah, E.; Vanderwerp, J.; Varner, R.L.; Virtue, C.J.; Visser, G.; Ward, E.M.; Wiseman, C.; Wongjirad, T.; Yen, Y.-R.; Yoo, J.; Yu, C.-H.; Zettlemoyer, J.

    Journal of instrumentation, 08/2021, Volume: 16, Issue: 8
    Journal Article

    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.