On theβ
? decay of the 2s isomer in98Y and the existence of an intruder band in98Zr |
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| Authors: | M -L Stolzenwald G Lhersonneau M Liang G Molnár H Ohm K Sistemich |
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| Institution: | 1. Institut für Kernphysik, Forschungszentrum Jülich, Postfach 1913, D-52425, Jülich, Germany
5. Institute of Isotopes, XII Konkoly Thege ut, H-1525, Budapest, Hungary
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| Abstract: | The γ radiation from the ß? decay of the high-spin isomer in98Y has been studied at the separator JOSEF. A main goal was to get insight into the spins of levels in98Zr which have been interpreted as members of an intruder band based on the 02 + state at 854 keV. The measuredγ-γ angular-correlations lead to the assignment of spins of 4 and 3 ? to the 2491 and 1844 keV levels, respectively, and contradict their interpretation as the 6+ and 4+ states of the proposed band. For the 2.0s isomer of98Y, the ß{?}-decay properties suggest I=5 with a major configuration πg9/2,νs1/2(g2 7/2)0]. |
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