Low-spin states from decay studies in the mass 80 region
Journal Article
·
· Journal of Research of the National Institute of Standards and Technology
Neutron-deficient nuclei in the mass 80 region are known to exhibit strongly deformed ground states deduced mainly from yrast-state properties measured in-beam via heavy-ion fusion-evaporation reactions. Vibrational excitations and non-yrast states as well as their interplay with the observed rotational collectivity have been less studied to date within this mass region. Thus, several {beta}-decay experiments have been performed to populate low-spin states in the neutron-deficient {sup 80,84}Y and {sup 80,84}Sr nuclei. An overview of excited 0{sup +} states in Sr and Kr nuclei is given and conclusions about shape evolution at low-spins are presented. In general, the non-yrast states in even-even Sr nuclei show mainly vibration-like collectivity which evolves to rotational behavior with increasing spin and decreasing neutron number.
- Research Organization:
- Univ. of Notre Dame, IN (US)
- OSTI ID:
- 20085577
- Journal Information:
- Journal of Research of the National Institute of Standards and Technology, Journal Name: Journal of Research of the National Institute of Standards and Technology Journal Issue: 1 Vol. 105; ISSN 1044-677X; ISSN JRITEF
- Country of Publication:
- United States
- Language:
- English
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