Isomeric and ground-state decay of 215Bi

  • J. Kurpeta
  • , A. Płochocki
  • , A. N. Andreyev
  • , J. Äystö
  • , A. De Smet
  • , H. De Witte
  • , A. H. Evensen
  • , V. Fedoseyev
  • , S. Franchoo
  • , M. Górska
  • , H. Grawe
  • , M. Huhta
  • , M. Huyse
  • , Z. Janas
  • , A. Jokinen
  • , M. Karny
  • , E. Kugler
  • , W. Kurcewicz
  • , U. Köster
  • , J. Lettry
  • A. Nieminen, K. Partes, M. Ramdhane, H. L. Ravn, K. Rykaczewski, J. Szerypo, K. Van de Vel, P. Van Duppen, L. Weissman, G. Walter, A. Wöhr

    Research output: Contribution to journalArticlepeer-review

    14 Scopus citations

    Abstract

    A new high-spin isomer in 215Bi, with a half-life of 36.9(6) s, has been identified at the PSB-ISOLDE on-line mass separator using the pulsed-release technique combined with the element selective RILIS source. A decay scheme of 215mBi was constructed and complemented with the low-spin structure observed in 215gBi decay. The population of a cascade on top of the (νg9/2)9/2+5 level in 215Po provides evidence for Gamow-Teller β-decay of the high-spin 215Bi isomer.

    Original languageEnglish
    Pages (from-to)31-37
    Number of pages7
    JournalEuropean Physical Journal A
    Volume18
    Issue number1
    DOIs
    StatePublished - Sep 2003

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