High-spin octupole yrast levels in {sup 216}Rn{sub 86}
Journal Article
·
· Physical Review. C, Nuclear Physics
- Departamento de Fisica, Comision Nacional de Energia Atomica, 1429 Buenos Aires (Argentina)
- CONICET, 1033 Buenos Aires (Argentina)
- Argentina
- INFN, Laboratori Nazionali di Legnaro, Legnaro (Italy)
- Dipartimento di Fisica, Sezione di Padova, Padova (Italy)
- Departamento de Fisica Nuclear, Universidade de Sao Paulo (Brazil)
The yrast level structure of {sup 216}Rn has been studied using in-beam spectroscopy {alpha}-{gamma}-{gamma} coincidence techniques through the {sup 208}Pb({sup 18}O, 2{alpha}2n) reaction in the 91-93 MeV energy range, using the 8{pi} GASP-ISIS spectrometer at Legnaro. The level scheme of {sup 216}Rn resulting from this study shows alternating parity bands only above a certain excitation energy. From this result, the lightest nucleus showing evidence of octupole collectivity at low spins is still {sup 216}Fr, thereby defining the lowest-mass corner for this kind of phenomenon as N{>=}129 and Z{>=}87.
- OSTI ID:
- 20771265
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 73, Issue 2; Other Information: DOI: 10.1103/PhysRevC.73.024314; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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