Abstract
High-spin states in Kr-73 were studied at the XTU tandem accelerator of the Laboratori Nazionali di Legnaro using the reaction Ca-40(Ca-40,alpha 2pn) at a beam energy of 185 MeV. Gamma rays were detected with the EUROBALL spectrometer. Particle detection enabled us to identify the reaction channel leading to Kr-73. The yrast bands of positive and negative parity were established up to probable spins of 61/2(+) and 63/2(-), respectively. The energies of the two identified bands agree well with the predictions of the configuration-dependent Cranked Nilsson-Strutinsky approximation and indicate that the nucleus remains collective up to the maximum spins of the respective high-spin configurations. The positive-parity band represents one of the rare cases where band non-termination at the highest spin of the configuration could be established experimentally.
Original language | English |
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Article number | 054307 |
Pages (from-to) | - |
Number of pages | 7 |
Journal | Physical Review C |
Volume | 81 |
Issue number | 5 |
DOIs | |
Publication status | Published - 18 May 2010 |
Keywords
- ROTATIONAL BANDS
- SHAPE COEXISTENCE
- IDENTIFICATION
- COLLECTIVITY
- DEFORMATION
- DETECTORS
- EUROBALL
- NUCLEI
- DECAY