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Beta decay of the proton-rich nuclei 102Sn and 104Sn

  • M. Karny
  • , L. Batist
  • , A. Banu
  • , F. Becker
  • , A. Blazhev
  • , B. A. Brown
  • , W. Brüchle
  • , J. Döring
  • , T. Faestermann
  • , M. Górska
  • , H. Grawe
  • , Z. Janas
  • , A. Jungclaus
  • , M. Kavatsyuk
  • , O. Kavatsyuk
  • , R. Kirchner
  • , M. La Commara
  • , S. Mandal
  • , C. Mazzocchi
  • , K. Miernik
  • I. Mukha, S. Muralithar, C. Plettner, A. Płochocki, E. Roeckl, M. Romoli, K. Rykaczewski, M. Schädel, K. Schmidt, R. Schwengner, J. Zylicz

    Research output: Contribution to journalArticlepeer-review

    18 Scopus citations

    Abstract

    The β decays of 102Sn and 104Sn were studied by using high-resolution germanium detectors as well as a Total Absorption Spectrometer (TAS). For 104Sn, with three new β-delayed γ-rays identified, the total Gamow-Teller strength (BGT) value of 2.7(3) was obtained. For 102Sn, the γ-γ coincidence data were collected for the first time, allowing us to considerably extend the decay scheme. This scheme was used to unfold the TAS data and to deduce a B GT value of 4.2(8) for this decay. This result is compared to shell model predictions, yielding a hindrance factor of 3.6(7) in agreement with those obtained previously for 98Cd and 100In. Together with the latter two, 102Sn completes the triplet of Z < 50, N > 50 nuclei with two proton holes, one proton hole and one neutron particle, and two neutron particles with respect to the doubly magic 100Sn core.

    Original languageEnglish
    Pages (from-to)129-136
    Number of pages8
    JournalEuropean Physical Journal A
    Volume27
    Issue number2
    DOIs
    StatePublished - Feb 2006

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