Core-Excited States in the Doubly Magic {sup 68}Ni and its Neighbor {sup 69}Cu
Conference
·
OSTI ID:784190
The ({nu}g{sub 9/2}{sup 2}{nu}p{sub 1/2}{sup -2}){sub 8+} isomer with T{sub 1/2} = 23(1) ns at 4208 keV in {sup 68}Ni was found by deep-inelastic collisions of {sup 70}Zn(8MeV/nucleon)+ {sup 198}Pt and the {nu}g{sub 9/2} E2 effective charge was determined to be 1.5(1)e. In {sup 69}Cu, the ({pi}p{sub 3/2}{nu}g{sub 9/2}{sup 2}{nu}p{sub 1/2}{sup -2}){sub 19/2-} isomer with T{sub 1/2}22(1) ns at 3691 keV was identified and its decay data were calculated quite accurately by a parameter-free shell model calculation using experimental level energies. Proton 2p-1h excitation, fed by another T{sub 1/2} = 39(6) ns isomer, induces large collectivity in {sup 69}Cu.
- Research Organization:
- Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki (JP); Department of Liberal Arts and Sciences, National Defense Medical College; Tokorozawa, Saitama (JP); Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, Meguro, Tokyo (JP)
- Sponsoring Organization:
- none (US)
- OSTI ID:
- 784190
- Report Number(s):
- none; ISBN 1-56396-907-6; ISSN 0094-243X; CODEN APCPCS; ISBN 1-56396-907-6; ISSN 0094-243X; CODEN APCPCS
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BRANCHING RATIO
COPPER 69
DECAY
DEEP INELASTIC HEAVY ION REACTIONS
EFFECTIVE CHARGE
ENERGY LEVELS
ENERGY SPECTRA
ENERGY-LEVEL TRANSITIONS
EXCITATION
ISOMERIC NUCLEI
LIFETIME
MEV RANGE 100-1000
NICKEL 68
NUCLEAR STRUCTURE
PARITY
PARTICLE-HOLE MODEL
PLATINUM 198 TARGET
SHELL MODELS
SPIN
ZINC 70 REACTIONS
BRANCHING RATIO
COPPER 69
DECAY
DEEP INELASTIC HEAVY ION REACTIONS
EFFECTIVE CHARGE
ENERGY LEVELS
ENERGY SPECTRA
ENERGY-LEVEL TRANSITIONS
EXCITATION
ISOMERIC NUCLEI
LIFETIME
MEV RANGE 100-1000
NICKEL 68
NUCLEAR STRUCTURE
PARITY
PARTICLE-HOLE MODEL
PLATINUM 198 TARGET
SHELL MODELS
SPIN
ZINC 70 REACTIONS