KURTUKIAN NIETO, T.; BENLLIURE, J.; SCHMIDT, K.-H.; AUDOUIN, L.; BECKER, F.; BLANK, Bertram; BORZOV, I.N.; CASAREJOS, E.; FARGET, F.; FERNANDEZ-ORDONEZ, M.; GIOVINAZZO, J.; HENZLOVA, D.; JURADO, B.; LANGANKE, K.; MARTINEZ-PINEDO, G.; PEREIRA, J.; YORDANOV, O.

doi:10.1140/epja/i2014-14135-5

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European Physical Journal A. 2014, vol. 50, p. 135-142

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Heavy neutron-rich nuclei close to N = 126 were produced by fragmentation of a 1A GeV 208Pb beam at the FRS at GSI. The β-decay half-lives of 7 nuclides have been determined using a novel numerical analysis method. The half-lives of 202,199Ir, 200,199Os and 196Re are reported for the first time. The comparison of the data with model calculations provides indications on the importance of first-forbidden transitions on the β-decay of nuclei around N = 126 and Z < 82.< Leer menos

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Beta-decay half-lives of new neutron-rich isotopes of Re, Os and Ir approaching the r-process path near N = 126

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