title: Half-life measurement of212Pb by means of a liquid scintillator-based220Rn trap.
abstract: A beaker was filled with a liquid mineral oil scintillator to catch220Rn from a228Th source. The liquid scintillator was then transferred to a polyethylene vial which was measured in a custom-built triple-to-double coincidence ratio (TDCR) counter. The measurements were used to determine the212Pb half-life which was found to be 10.622(7) hours.
authors.affiliation: Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany. Electronic address: Karsten.Kossert@ptb.de.
authors.forename: Karsten
authors.initials: K
authors.lastname: Kossert
keywords: (212)Pb half-life; (220)Rn trap; Liquid scintillation counting; TDCR