skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Studies of yrast and continuum states in A = 140 to 160 nuclei. Progress report, January 1, 1981-December 31, 1981

Technical Report ·
DOI:https://doi.org/10.2172/5649742· OSTI ID:5649742

Nuclear structure studies in the A approx. 150 region by ..gamma..-ray spectroscopy following heavy ion induced reactions are summarized. Yrast states of N = 82 nuclei close to the proton drip line have been identified as rather pure (..pi..h/sub 11/2)/sup n/ excitations of seniority 2 and 3. The high-spin level structure of /sup 154/Dy has been determined through the /sup 124/Sn(/sup 34/S,4n..gamma..) reaction. Both the structure and the level lifetimes indicate a transition at I approx. 32 from collective to few-particle character, with possible shape changes from prolate-to-triaxial-to-oblate.

Research Organization:
Purdue Univ., West Lafayette, IN (United States)
DOE Contract Number:
AS02-76ER01672
OSTI ID:
5649742
Report Number(s):
DOE/ER/01672-77; ON: DE82011774; TRN: 82-009490
Country of Publication:
United States
Language:
English