Mixed Positive Parity States in 165Er

Abstract
Positive parity states in 165Er have been studied using the 167Er(p,t)165Er reaction. Two 7/2+ states at excitation energies of 63 and 465 keV were populated via l = 0 transitions. Because of the lack of a pronounced minimum in the l = 0 angular distributions, some l ≠ 0 strength may contribute to the population processes. Eight l ≠ 0 transitions were seen below 1 MeV excitation energy. A description of the observed positive parity levels has been attempted in the context of a Coriolis coupled Nilsson model calculation.

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