Jun. 4, 2018
Abstract: We propose that the Deep Underground Neutrino Experiment (DUNE), with a new, realistic solar-neutrino program, would achieve spectacular results. Separate precision measurements of neutrino-mixing parameters and the 8B flux will be made using two detection channels and the day-night effect. New particle physics may be revealed through the comparison of solar neutrinos (with matter effects) and reactor neutrinos (without). New astrophysics may be revealed through the most precise measurement of the 8B flux and the first detection of the hep flux. DUNE is required: No other experiment, even proposed, has been shown capable of fully realizing these discovery opportunities.