High-spin states in neutron-rich $Dy$ isotopes populated in deep-inelastic reactions
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High-spin states in neutron-rich Dy isotopes, populated in deep-inelastic processes produced by the interaction of 234 MeV 37Cl ions with a 160Gd target, have been studied using the highly sensitive euroball iv gamma-ray detector array. The previously known level chemes for 159,160,161,162Dy have been extended to significantly higher spin (≤ 30¯h) and the i13/2 band crossing in 159Dy has been observed for the first time. The experimental results are discussed within the framework of cranked shell model and projected shell model calculations with particular reference to the observed delayed band crossing in 162Dy.