Low-lying structure of the neutron-deficient isotope RN-202

S J Freeman, A G Smith, S J Warburton, B B Back, I G Bearden, D J Blumenthal, M P Carpenter, B Crowell, C N Davids, D Henderson, R V F Janssens, T L Khoo, T Lauritsen, C J Lister, D Nisius, H T Penttila, J A Becker, P Chowdhury, E F Moore

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The low-lying level structure of the neutron-deficient isotope Rn-202 has been studied for the first time, using the Ta-181(Al-27,6n) and Pt-192(O-16,6n) reactions. Gamma-ray transitions between excited states in Rn-202 were identified by mass tagging using a recoil mass separator, the Argonne Fragment Mass Analyzer, and by observation of coincident x rays. Transitions in Rn-203 were also identified. The level scheme deduced from these data is consistent with the systematics of light radon isotopes below the N = 126 shell closure and with theoretical calculations indicating that the ground-state shape should not be strongly deformed at N = 116.
    Original languageEnglish
    Pages (from-to)R1754-R1758
    JournalPhysical Review C
    Volume50
    Issue number4
    Publication statusPublished - 1994

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