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Very extended shapes in the A--110 region
R M Clark1, P Fallon, A Görgen
1Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Physical Review Letters
|November 3, 2001
Summary
Researchers studied high-angular-momentum states in Cadmium-108 using a Nickel-64 beam. They discovered an exceptionally deformed rotational band, one of the most deformed structures observed in any atomic nucleus.
Area of Science:
- Nuclear Physics
- Atomic Nuclei Structure
Background:
- Investigating nuclear structure provides insights into fundamental forces.
- Understanding high-angular-momentum states reveals nuclear shape dynamics.
Purpose of the Study:
- To explore high-angular-momentum states in the Cadmium-108 nucleus.
- To characterize the deformation of observed nuclear structures.
Main Methods:
- Populating states in Cadmium-108 via the Nickel-64 + Calcium-48 fusion-evaporation reaction.
- Utilizing the Gammasphere array for high-resolution gamma-ray detection.
Main Results:
- Observation of a rotational band in Cadmium-108.
- Deduced properties suggest a major-to-minor axis ratio exceeding 1.8:1.
- Identified one of the most deformed nuclear structures to date.
Conclusions:
- The observed rotational band represents a highly deformed nuclear shape.
- This finding contributes to the understanding of extreme nuclear deformations.