Abstract
Results from the proton transfer reactions, 143Nd( 3He, d) and 143Nd(α, t), and γ-ray studies have been used to characterize the levels in 144Pm. The spins, ( 3He, d) (α, t) cross section ratios and γ-ray branching ratios for the states below 600 keV can be interpreted consistently in terms of the mixed π2 d 5 2 ν2 f 7 2 and π1 g 7 2 ν2 f 7 2 shell-model configurations. The γ-ray intensity ratios measured in the 141Pr(α, nγ) and 144Nd(p, nγ) reactions exhibit a strong and smooth dependence on level spin. Theoretical calculations employing a residual surface delta interaction are in reasonable agreement with the twelve observed low-lying negative parity states. The eight positive parity states between 841 and 1451 keV are presumed to arise from the π1 h 11 2 ν2 f 5 2 configuration.
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