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Isomeric and ground-state decay of 215 Bi

  • J. KurpetaEmail author
  • A. Plochocki
  • 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
  • IS387 Collaboration
  • ISOLDE Collaboration
OriginalPaper

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 \(^{215{\rm m}}\)Bi was constructed and complemented with the low-spinstructure observed in \(^{215{\rm g}}\)Bi decay. The population of a cascade on top of the \(\left( \nu g_{9/2} \right)^5_{9/2+}\) level in 215Poprovides evidence for Gamow-Teller \(\beta\)-decay of the high-spin 215Bi isomer.

Keywords

Decay Scheme Mass Separator 
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Copyright information

© Springer-Verlag Berlin/Heidelberg 2003

Authors and Affiliations

  • J. Kurpeta
    • 1
    Email author
  • A. Plochocki
    • 1
  • A. N. Andreyev
    • 2
  • J. Äystö
    • 3
    • 4
  • A. De Smet
    • 5
  • H. De Witte
    • 5
  • A.-H. Evensen
    • 4
  • V. Fedoseyev
    • 6
  • S. Franchoo
    • 4
  • M. Górska
    • 5
  • H. Grawe
    • 7
  • M. Huhta
    • 3
  • M. Huyse
    • 5
  • Z. Janas
    • 1
  • A. Jokinen
    • 3
  • M. Karny
    • 1
  • E. Kugler
    • 4
  • W. Kurcewicz
    • 1
  • U. Köster
    • 4
  • J. Lettry
    • 4
  • A. Nieminen
    • 3
  • K. Partes
    • 4
  • M. Ramdhane
    • 8
  • H. L. Ravn
    • 4
  • K. Rykaczewski
    • 1
    • 9
  • J. Szerypo
    • 10
  • K. Van de Vel
    • 5
  • P. Van Duppen
    • 5
  • L. Weissman
    • 4
  • G. Walter
    • 8
  • A. Wöhr
    • 5
  • IS387 Collaboration
  • ISOLDE Collaboration
  1. 1.Institute of Experimental PhysicsWarsaw UniversityWarsawPoland
  2. 2.Department of Physics, Oliver Lodge LaboratoryUniversity of LiverpoolLiverpoolUK
  3. 3.Department of Physics, Accelerator LaboratoryUniversity of JyväskyläJyväskyläFinland
  4. 4.ISOLDECERN-PPE, CH-1211Geneva 23Switzerland
  5. 5.Instituut voor Kern-en StralingsfysicaUniversity of LeuvenLeuvenBelgium
  6. 6.Institute of SpectroscopyRussian Academy of SciencesTroitzkRussia
  7. 7.GSIDarmstadtGermany
  8. 8.Institut de Recherches Subatomiques et Université Louis PasteurStrasbourgFrance
  9. 9.ORNL Physics DivisionOak RidgeUSA
  10. 10.University of MunichGarchingGermany

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