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- Title
Observation of negative-parity high-spin states of<sup>68</sup>As.
- Authors
Stefanova, E.A.; Lieb, K.P.; Stefanescu, I.; De Angelis, G.; Curien, D.; Eberth, J.; Farnea, E.; Gadea, A.; Gersch, G.; Jungclaus, A.; Martinez, T.; Schwengner, R.; Steinhardt, T.; Warr, N.; Weisshaar, D.; Wyss, R.
- Abstract
The neutron-deficient nucleus68As was populated at high spin in two experiments using the reaction40Ca(32S, 3pn) at beam energies of 105 and 95 MeV. A self-supporting and a gold-backed, highly enriched40Ca target were used. Gamma rays were detected with the EUROBALL array, combined with the charged-particle detector array EUCLIDES and the Neutron Wall. The68As level scheme was considerably extended, especially at negative parity and many previous spin-parity assignments were confirmed or rejected. The total-Routhian-surface (TRS) calculations find shape coexistence and ? softness for the negative- and positive-parity states, respectively.
- Subjects
PARTICLES (Nuclear physics); ELECTROMAGNETIC waves; GAMMA rays; DETECTORS; NUCLEAR physics; CALCIUM
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2005, Vol 24, Issue 1, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2004-10126-5