LAUSR

R. Ren, C. Bathurst, Y.Y. Chang, R. Chen, C.W. Fink, Z. Hong, N.A. Kurinsky, 6, ∗ N. Mast, N. Mishra, V. Novati, † G. Spahn, H. Meyer zu Theenhausen, S.L. Watkins, Z. Williams, M.J. Wilson, 9 A. Zaytsev, D. Bauer, R. Bunker, E. Figueroa-Feliciano, M. Hollister, L. Hsu, P. Lukens, R. Mahapatra, N. Mirabolfathi, B. Nebolsky, M. Platt, F. Ponce, M. Pyle, T. Reynolds, and T. Saab Department of Physics & Astronomy, Northwestern University, Evanston, IL 60208-3112, USA Department of Physics, University of Florida, Gainesville, FL, USA Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, CA 91125, USA Department of Physics, University of California, Berkeley, CA 94720, USA Fermi National Accelerator Laboratory, Batavia, IL 60510, USA Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA School of Physics & Astronomy, University of Minnesota, Minneapolis, MN 55455, USA Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany Department of Physics, University of Toronto, Toronto, ON M5S 1A7, Canada Pacific Northwest National Laboratory, Richland, WA 99352, US Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA Department of Physics, Stanford University, Stanford, CA 94305 USA (Dated: December 24, 2020)