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First observation of backbending in an actinide nucleus

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ; ; ; ; ;
The yrast bands in /sup 242/Pu and /sup 244/Pu have been studied up to spin 26/sup +/ by Coulomb excitation by use of /sup 208/Pb beams of 5.1 and 5.3 MeV/u. In the case of /sup 244/Pu a pronounced backbending has been observed for the first time in an actinide nucleus. Microscopic calculations are presented which indicate that the observed anomalies in the yrast sequence of both nuclei are due to alignment effects in the i/sub 13/2/ proton shell.
Research Organization:
Gesellschaft fuer Schwerionenforschung, D-6100 Darmstadt, Federal Republic of Germany
OSTI ID:
5651974
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 51:17; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

652023* -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Energy Levels & Transitions-- (-1987)
652025 -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
BACKBENDING
CHARGED-PARTICLE REACTIONS
COULOMB EXCITATION
DATA
DISTRIBUTION
DOPPLER EFFECT
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITATION
EXPERIMENTAL DATA
GAMMA SPECTRA
GEV RANGE
GEV RANGE 01-10
HEAVY ION REACTIONS
HEAVY NUCLEI
HIGH SPIN STATES
INELASTIC SCATTERING
INFORMATION
ISOTOPES
LEAD 208 REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
PARITY
PARTICLE PROPERTIES
PLUTONIUM 242
PLUTONIUM 242 TARGET
PLUTONIUM 244
PLUTONIUM 244 TARGET
PLUTONIUM ISOTOPES
RADIOISOTOPES
SCATTERING
SPECTRA
SPIN
TARGETS
YEARS LIVING RADIOISOTOPES
YRAST STATES