High-spin excited states have been identified in the N=Z+1 nucleus 91Rh with the reaction 54Fe(40Ca,p2nγ) at 130 MeV, using the GASP array, the ISIS silicon array, and the n-ring detector system. Two structures have been observed, the positive-parity yrast sequence above the (9/2+) ground state and a sequence assigned to negative parity that is built on a possible (1/2-) isomeric state. The observed structures are compared with various shell-model calculations in the (p1/2,g9/2) space.
Identification of excited states and shell model description of the N=Z+1 nucleus 91Rh
LUNARDI, SANTO;PAVAN, PIETRO;LENZI, SILVIA MONICA;
2005
Abstract
High-spin excited states have been identified in the N=Z+1 nucleus 91Rh with the reaction 54Fe(40Ca,p2nγ) at 130 MeV, using the GASP array, the ISIS silicon array, and the n-ring detector system. Two structures have been observed, the positive-parity yrast sequence above the (9/2+) ground state and a sequence assigned to negative parity that is built on a possible (1/2-) isomeric state. The observed structures are compared with various shell-model calculations in the (p1/2,g9/2) space.File in questo prodotto:
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