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Decay of 48-50Ar isotopes

Abstract : Information on β-decay properties of neutron-rich 84-05Ar was obtained at the ISOLDE mass-separator 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. Normally, argon beams cannot be mass-separated from intense multi-charged symmetric fission krypton and xenon. Several techniques were used successfully in order to overcome this problem. Implication of the obtained information for a better understanding of the origin of the 48Ca/46Ca isotopic anomaly discovered in inclusions from the Allende meteorite is discussed.
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Contributor : Michel Lion <>
Submitted on : Thursday, March 1, 2012 - 4:02:41 PM
Last modification on : Thursday, February 1, 2018 - 1:34:53 AM

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L. Weissman, U. Bergmann, J. Cederkall, L. Fraile, S. Franchoo, et al.. Decay of 48-50Ar isotopes. Nuclear Physics in Astrophysics V, Apr 2011, Eilat, Israel. pp.012018, ⟨10.1088/1742-6596/337/1/012018⟩. ⟨in2p3-00675626⟩

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