Phys. Rev. C 70, 024304 (2004) [7 pages]β decay of 47Ar
L. Weissman1 *, O. Arnd2, U. Bergmann3, A. Brown1, R. Catherall3, J. Cederkall3, I. Dillmann2, O. Hallmann2, L. Fraile3,4, S. Franchoo3,5, L. Gaudefroy5, U. Köster3, K.-L. Kratz2,6, B. Pfeiffer2,6, and O. Sorlin5 Received 26 March 2004; published 16 August 2004 Information on β -decay properties of neutron-rich 47Ar was obtained at the ISOLDE facility at CERN using isobaric selectivity. This was achieved by a combination of a plasma-ion source with a cooled transfer line and subsequent mass separation. A doubly charged beam was used in order to improve the signal-to-background ratio associated with multi-charged noble gas fission products. The identification of the 47Ar γ -ray transitions was performed by comparing the spectra obtained from direct proton bombardment of the target and of the neutron converter. New excited levels in the daughter 47K nucleus corresponding to the negative-parity states were observed. The obtained data are compared to the result of large-scale shell model calculations and quasiparticle random-phase approximation predictions. ©2004 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevC.70.024304 * Corresponding author. Email address: weissman@nscl.msu.edu [ Abstract | Previous article | Next article | Issue 2 ] |
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