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Lifetime measurement of the 2 sub 1 sup + state in sup 152 Nd and the B ( E 2; 0 sub 1 sup + r arrow 2 sub 1 sup + ) systematics of the A approx 160 region

Journal Article · · Physical Review, C (Nuclear Physics); (USA)
OSTI ID:6394259
; ; ; ;  [1]
  1. The Department of Neutron Research, University of Uppsala, S-61182, Nykoeping, Sweden (SE)
A half-life of {ital T}{sub 1/2}=4.45(26) ns was measured for the 72.4-keV 2{sub 1}{sup +} state in {sup 152}Nd using a {beta}-{gamma}-{gamma} delayed coincidence technique. This result supersedes the half-life of {ital T}{sub 1/2}=7.7(20) ns that was tentatively measured for {sup 154}Nd and adopted for {sup 152}Nd in the recent compilation of the {ital B}({ital E}2) rates. In contrast to the latter value, the new result follows the smooth systematics of the {ital B}({ital E}2) rates in the {ital A}{approx}160 region thus negating the possibility of an abrupt structural change in the even neutron-rich Nd nuclei.
OSTI ID:
6394259
Journal Information:
Physical Review, C (Nuclear Physics); (USA), Journal Name: Physical Review, C (Nuclear Physics); (USA) Vol. 43:3; ISSN 0556-2813; ISSN PRVCA
Country of Publication:
United States
Language:
English