First evidence of neutrino absorption on argon using ${}^8$B solar neutrinos in DEAP-3600

P. Adhikari, P. -A. Amaudruz, D. J. Auty +113

We report experimental evidence for electron neutrino charged-current interactions (neutrino absorption, CC $\hat{I}{½}_e$) from ${}^8$B solar neutrinos on ${}^{40}$Ar using an exposure of (…