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Relative deformations of superdeformed bands in Ce-131,Ce-132
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1996 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 76, no 19, 3510-3513 p.Article in journal (Refereed) PublishedText
Abstract [en]

The quadrupole moments Q(0) of five superdeformed bands in Ce-131,Ce-132 have been established using the Doppler-shift attenuation method; for the first time, we can compare relative deformations of yrast and excited bands in different nuclei to an accuracy of similar or equal to(5-7)%. Four of the five bands have very similar deformations, while the excited band in Ce-131 has a somewhat larger quadrupole moment. Important new information is presented on the shape-driving force of the vi(13/2) orbital, the stability of the second minimum with respect to particle excitations, the relative deformations of identical bands, the nature of the sidefeeding, and the time scale of the decay process.

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1996. Vol. 76, no 19, 3510-3513 p.
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Subatomic Physics
URN: urn:nbn:se:kth:diva-178628DOI: 10.1103/PhysRevLett.76.3510ISI: A1996UW49000011OAI: diva2:878425

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Available from: 2015-12-09 Created: 2015-12-08 Last updated: 2015-12-17Bibliographically approved

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Cederwall, Bo
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