Depth profile study of ${}^{210}$Pb in the surface of an NaI(Tl) crystal

G. H. Yu, C. Ha, E. J. Jeon +6

The surface ${}^{210}$Pb is one of the main background sources for dark-matter-search experiments using NaI(Tl) crystals, and its spectral features associated with the beta-decay eve…