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Decay of neutron-rich /sup 152/Pr and /sup 152/Ce

Journal Article · · Phys. Rev. C; (United States)
; ;
The previously unreported decay of /sup 152/Pr to levels in /sup 152/Nd has been studied from mass-separated activity produced in the thermal neutron fission of /sup 235/U. The /sup 152/Pr half-life was measured to be 3.24 +- 0.19 s, and its decay scheme was constructed based on ..gamma.. singles and coincidence measurements. Excited states in /sup 152/Nd at 72.6 (2/sup +/) and 236.6 (4/sup +/) were established and the E(4/sup +/)/E(2/sup +/) ratio of 3.26 is close to the rigid rotor value of 3.33. The implications of the above ratio for the systematics of deformation in this region are discussed. A ..gamma.. transition observed at 285.0 keV probably results from the ..beta../sup -/ decay of /sup 152/Ce with a half-life of 3.1 +- 0.3 s, but that conclusion is tentative. The most likely J for the /sup 152/Pr ground state is 3.
Research Organization:
Ames Laboratory and Department of Physics, Iowa State University, Ames, Iowa 50011
OSTI ID:
5820311
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 27:6; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

651822* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Radioactive Decay-- (-1987)
651823 -- Nuclear Properties & Reactions
A=150-189
Experimental-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BARYON REACTIONS
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY
BETA-MINUS DECAY RADIOISOTOPES
CERIUM 151
CERIUM ISOTOPES
COINCIDENCE SPECTROMETRY
DATA
DECAY
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FISSION
FT VALUE
GAMMA RADIATION
HADRON REACTIONS
HALF-LIFE
INFORMATION
INTERMEDIATE MASS NUCLEI
IONIZING RADIATIONS
ISOTOPES
MINUTES LIVING RADIOISOTOPES
NEODYMIUM 152
NEODYMIUM ISOTOPES
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUMERICAL DATA
ODD-ODD NUCLEI
PARITY
PARTICLE PROPERTIES
PROMETHIUM 152
PROMETHIUM ISOTOPES
RADIATIONS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SPIN
TARGETS
THERMAL FISSION
URANIUM 235 TARGET