Abstract
The decay of Pr148 to levels of Nd148 has been studied using sources produced by the U235(n,f) reaction followed by on-line mass separation, and by the Nd148(n,p) reaction using an enriched Nd148 target. Strong evidence is presented to support the previously proposed existence of a 2.270.05 min low-spin (1-) isomer and a 1.950.08 min high-spin (4-) isomer in Pr148. The presence of levels at 301.7(2+), 752.3(4+), 916.9(0+), 999.3(3-), 1023.0(1-), 1171.0(2+), 1241.6(5-), 1248.7(2+), and 1279.7(6+) keV in Nd148 is also supported. © 1986 The American Physical Society.