Beta-decay of148,150,152Pr into levels of148,150,152Nd

• DOI: 10.1007/bf01287264
• Publication Date: 2005-03-24T22:14:46Z
• Authors: T. Karlewski; N. Hildebrand; M. Br�gger; N. Kaffrell; N. Trautmann; G. Herrmann
• Keywords: Nuclide; Praseodymium; Beta decay; Radioactive decay

Theβ−-decay of148,150,152Pr into levels of148,150,152Nd has been studied byγ-singles,γγ-coincidence and for148Pr also byγγ-angular correlation measurements. The praseodymium activities have been obtained by thermal neutron-induced fission of235U followed by on-line mass separation with the helium-jet coupled mass separator HELIOS. Decay schemes for these heaviest praseodymium nuclides are proposed. From the angular correlation measurements spin values for the seven lowest levels of148Nd are deduced. Spin and parity assignments for the lower levels in150,152Nd have been extrapolated from level systematics.