${}^{42}$Ar Production and Injection to a Liquid Argon Environment for Background Mitigation Studies

Mario Schwarz, Christoph Vogl, Niko N. P. N. Lay +6

Atmosphere-sourced argon contains traces of ${}^{42}$Ar, whose $β^-$-decaying progeny ${}^{42}$K represents a significant intrinsic background for rare-event experiments using liquid…