New high spin level scheme of^87Sr
2014
High spin states of the odd-A87Sr were populated by the fusion-evaporation reaction82Se(9Be,4n)87Sr at a beam energy of 46 MeV. Excited levels of87 Sr have been extended up to an excitation energy of 7.4 MeV at spin31/2. The coupling of a g9/2neutron hole to the yrast states of the88 Sr core can account for the low-lying states in87 Sr. The structure of the higher spin states is discussed by analogy with those of the neighboring odd-A N =49isotones and possible configurations are proposed.
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