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Bara, S.; Jajčišinová, E.; Cocolios, T.E.; Andel, B.; Antalic, S.; Camaiani, A.; Costache, C.; Dockx, K.; Farooq-Smith, G.J.; Kellerbauer, A.; Lica, R.; Lynch, K.M.; Marini, P.; Piersa-Siłkowska, M.; Stegemann, S.T.; Stryjczyk, M.; Treasa, D.; Van Duppen, P.
Applied radiation and isotopes, June 2024, 2024-06-00, 20240601, Letnik: 208Journal Article
At CERN-ISOLDE, high-purity radioactive ion beams of 219Fr and 221RaF were investigated with α-decay spectroscopy at the CRIS and ASET experiments in the course of three different experimental campaigns. The half-life of 215At, α-decay daughter of 219Fr, is measured to be 36.3(3)9μs, and that of 221Ra was determined to be 26.2(1)6s, both of which are well in line with the trends in this region of the nuclear landscape but at odds with some of the reported literature.
