Abstract
The level structure of 153Sm has been studied by means of the 150Nd(α, n) 153Sm reaction. The experiment included measurements of the γ-γ coincidences and γ-ray yield as a function of projectile energy. The rotational band built on the 11 2 − [505] Nilsson orbital was observed up to spin 19 2 , and two ΔI = 2 bands of positive parity were identified with spins up to 19 2 and 21 2 , respectively. These bands are associated with the i 13 2 single-particle structure. The data obtained in the present work together with data available in the literature are compared to the result of a particle-rotor coupling calculation. The 153Sm nucleus is found to be a wellbehaved rotor. An appropriate single-particle level scheme for 153Sm is established.
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