Barbeau, P. S.Belov, V.Bernardi, I.Bock, C.Bolozdynya, A.Bouabid, R.Browning, J.Cabrera-Palmer, B.Conley, E.da Silva, V.Daughhetee, J.Detwiler, J.Ding, K.Durand, M. R.Efremenko, Y.Elliott, S. R.Erlandson, A.Fabris, L.Febbraro, M.Galindo-Uribarri, A.Green, M. P.Hakenmueller, J.Heath, M. R.Hedges, S.Johnson, B. A.Johnson, T.Khromov, A.Konovalov, A.Kozlova, E.Kumpan, A.Kyzylova, O.Link, J. M.Liu, J.Major, A.Mann, K.Markoff, D. M.Mattingly, J.Mueller, P. E.Newby, J.Ogoi, N.O' Reilly, J.Parno, D. S.Perez-Loureiro, D.Penttila, S. I.Pershey, D.Prior, C. G.Queen, J.Rapp, R.Ray, H.Razuvaeva, O.Reyna, D.Rich, G. C.Rudik, D.Runge, J.Salvat, D. J.Sander, J.Scholberg, K.Shakirov, A.Simakov, G.Snow, W. M.Sosnovtsev, V.Stringer, M.Subedi, T.Suh, B.Sur, B.Tayloe, R.Tellez-Giron-Flores, K.Tsai, Y. t.Vanderwerp, J.Nieuwenhuizen, E. E. vanVarner, R. L.Virtue, C. J.Visser, G.Walkup, K.Ward, E. M.Wongjirad, T.Yang, Y.Yoo, J.Yu, C. -h.Zaalishvili, A.2025-11-242025-11-242024-05-102470-0010https://hdl.handle.net/10919/139745We consider the potential for a 10 kg undoped cryogenic CsI detector operating at the Spallation Neutron Source to measure coherent elastic neutrino -nucleus scattering and its sensitivity to discover new physics beyond the standard model (BSM). Through a combination of increased event rate, lower threshold, and good timing resolution, such a detector would significantly improve on past measurements. We considered tests of several BSM scenarios such as neutrino nonstandard interactions and accelerator -produced dark matter. This detector 's performance was also studied for relevant questions in nuclear physics and neutrino astronomy, namely the weak charge distribution of Cs and I nuclei and detection of neutrinos from a corecollapse supernova.application/pdfenCreative Commons Attribution 4.0 InternationalArticle - Refereedhttps://doi.org/10.1103/PhysRevD.109.09200510992470-0029