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High spin single-particle states in /sup 152,153/Er

Journal Article · · Phys. Rev., C; (United States)
A spectroscopic investigation of yrast and near-yrast states in /sup 152/Er and /sup 153/Er is presented. We report measurements of prompt and delayed excitation functions, ..gamma..-..gamma.. coincidences, isomeric lifetimes, and ..gamma..-ray angular distribution, obtained chiefly from the reactions /sup 144/Sm(/sup 12/C,xn)/sup 152,153/Er using carbon beams of laboratory energy 65--95 MeV. The levels observed extend to a spin of J> or =43/2 and include two long-lived isomers in /sup 153/Er. The nuclear structure is discussed in terms of the shell model and compared with the systematic behavior of levels in N=84 and N=85 isotones.
Research Organization:
Brookhaven National Laboratory, Upton, New York 11973
OSTI ID:
6633393
Journal Information:
Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 23:3; ISSN PRVCA
Country of Publication:
United States
Language:
English

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