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Two-neutron alignment and shape changes in As-69
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2000 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 6202, no 2Article in journal (Refereed) Published
Abstract [en]

The nucleus As-69 was Studied using the Ca-40(S-32,3p)As-69 reaction at a beam energy of 105 MeV. An extension of the band built on the g(9/2) orbital was observed to exhibit a band crossing at a rotational frequency of 0.511 MeV with an associated alignment of 7 (h) over bar. This alignment is interpreted as being due to a pair of g(9/2) neutrons. Total Routhian surface calculations have been carried out which confirm that the shape of this nucleus changes from oblate at low spin to a triaxial prolate shape at intermediate spin.

Place, publisher, year, edition, pages
2000. Vol. 6202, no 2
Keyword [en]
lifetime measurements, clover, nuclei, region, as-71
URN: urn:nbn:se:kth:diva-19960ISI: 000088714000066OAI: diva2:338652
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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