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  • Title: Measurements of the half-life of 214Po and 218Rn using digital electronics.
    Author: Suliman G, Pommé S, Marouli M, Van Ammel R, Jobbágy V, Paepen J, Stroh H, Apostolidis C, Abbas K, Morgenstern A.
    Journal: Appl Radiat Isot; 2012 Sep; 70(9):1907-12. PubMed ID: 22436449.
    Abstract:
    The half-lives of (214)Po and (218)Rn have been measured. The radionuclides were produced in the decay of a (230)U source and the emitted alpha-particles were measured in nearly-2π geometry with an ion-implanted planar silicon detector. The data acquisition was performed with a digitiser operated in list mode, saving the energy and time of detection (10 ns precision timestamp) of each event. The half-lives were deduced from the time differences between the alpha-decays populating the nuclide of interest and those corresponding to its decay. Different methods were applied, based on delayed coincidence counting and time-interval distribution analysis. The resulting half-lives are 33.75 (15) ms for (218)Rn and 164.2 (6) μs for (214)Po, both in agreement with some of the literature values, and obtained with higher precision in this work.
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