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Observation of negative-parity high-spin states of As-68
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2005 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 24, no 1, 1-4 p.Article in journal (Refereed) Published
Abstract [en]

The neutron-deficient nucleus As-68 was populated at high spin in two experiments using the reaction Ca-40(S-32, 3pn) at beam energies of 105 and 95 MeV. A self-supporting and a gold-backed, highly enriched Ca-40 target were used. Gamma rays were detected with the EUROBALL array, combined with the charged-particle detector array EUCLIDES and the Neutron Wall. The As-68 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 γ softness for the negative- and positive-parity states, respectively.

Place, publisher, year, edition, pages
2005. Vol. 24, no 1, 1-4 p.
Keyword [en]
as-72, shape
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-14738DOI: 10.1140/epja/i2004-10126-5ISI: 000228962900001OAI: diva2:332779
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-08-20Bibliographically approved

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Wyss, Ramon
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