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β Decay of 49,50Ar

Weissman, L.; Bergmann, U.; Cederkall, J. LU ; Fraile, L. M.; Franchoo, S.; Fynbo, H.; Gausemel, H.; Jeppesen, H.; Köster, U. and Kratz, K. L., et al. (2003) In Physical Review C - Nuclear Physics 67(5). p.543141-543146
Abstract

Information on gross β-decay properties of neutron-rich noble gas isotopes 49,50Ar was obtained at the PSB-ISOLDE facility at CERN using isobaric selectivity achieved by the combination of a plasma ion source with a cooled transfer line and subsequent mass separation. A doubly charged beam was used in the case of 49Ar to suppress the corresponding multicharged background from heavier noble gas fission products. The comparison of the obtained data with results of quasiparticle random-phase approximation calculations indicates that the N = 28 shell is not disturbed significantly for neutron-rich Ar nuclei. The obtained results are useful for better understanding of the origin of the 48Ca/46Ca... (More)

Information on gross β-decay properties of neutron-rich noble gas isotopes 49,50Ar was obtained at the PSB-ISOLDE facility at CERN using isobaric selectivity achieved by the combination of a plasma ion source with a cooled transfer line and subsequent mass separation. A doubly charged beam was used in the case of 49Ar to suppress the corresponding multicharged background from heavier noble gas fission products. The comparison of the obtained data with results of quasiparticle random-phase approximation calculations indicates that the N = 28 shell is not disturbed significantly for neutron-rich Ar nuclei. The obtained results are useful for better understanding of the origin of the 48Ca/46Ca isotopic anomaly discovered in inclusions from the Allende meteorite.

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published
in
Physical Review C - Nuclear Physics
volume
67
issue
5
pages
6 pages
publisher
American Physical Society
external identifiers
  • scopus:0042656408
ISSN
0556-2813
language
English
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no
id
ca1a133b-58f1-4e80-b4d0-d65fdadc9611
date added to LUP
2016-12-20 14:18:48
date last changed
2017-05-24 13:08:11
@article{ca1a133b-58f1-4e80-b4d0-d65fdadc9611,
  abstract     = {<p>Information on gross β-decay properties of neutron-rich noble gas isotopes <sup>49,50</sup>Ar was obtained at the PSB-ISOLDE facility at CERN using isobaric selectivity achieved by the combination of a plasma ion source with a cooled transfer line and subsequent mass separation. A doubly charged beam was used in the case of <sup>49</sup>Ar to suppress the corresponding multicharged background from heavier noble gas fission products. The comparison of the obtained data with results of quasiparticle random-phase approximation calculations indicates that the N = 28 shell is not disturbed significantly for neutron-rich Ar nuclei. The obtained results are useful for better understanding of the origin of the <sup>48</sup>Ca/<sup>46</sup>Ca isotopic anomaly discovered in inclusions from the Allende meteorite.</p>},
  author       = {Weissman, L. and Bergmann, U. and Cederkall, J. and Fraile, L. M. and Franchoo, S. and Fynbo, H. and Gausemel, H. and Jeppesen, H. and Köster, U. and Kratz, K. L. and Nilsson, T. and Pfeiffer, B. and Van del Vel, K.},
  issn         = {0556-2813},
  language     = {eng},
  month        = {05},
  number       = {5},
  pages        = {543141--543146},
  publisher    = {American Physical Society},
  series       = {Physical Review C - Nuclear Physics},
  title        = {β Decay of <sup>49,50</sup>Ar},
  volume       = {67},
  year         = {2003},
}