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Superdeformed bands in Sr80-83, Y82-84, Zr-83,Zr-84: Transition quadrupole moments, moments of inertia, and configuration assignments
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2003 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 67, no 4, 044310- p.Article in journal (Refereed) Published
Abstract [en]

Multiple superdeformed bands in the nuclei Sr80-83, Y82-84, and Zr-83,Zr-84 have been studied in a backed-target experiment, using the Gammasphere and the Microball 4pi detector arrays. For 15 bands in these nuclei, average transition quadrupole moments have been measured with high accuracy, using the Doppler-shift attenuation method. Among these are the newly observed superdeformed bands in Y-83,Y-84, which are isospectral with the bands in Sr-82,Sr-83. These isospectral bands have nearly identical transition quadrupole moments. Two of the bands in Sr-81 interact and cross transitions between them are observed. The present measurements place stringent conditions on configuration assignments for the bands obtained from two types of mean-field calculations, leading to a consistent understanding of the mass similar to80 superdeformed bands. The assignments for different bands arise from one or more nucleons occupying the N-0=5h(11/2) intruder orbital.

Place, publisher, year, edition, pages
2003. Vol. 67, no 4, 044310- p.
Keyword [en]
harmonic-oscillator basis, hartree-fock equations, response characteristics, lifetime measurements, nuclei, states, gammasphere, region, sr-80, shape
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-22482DOI: 10.1103/PhysRevC.67.044310ISI: 000182727600028OAI: diva2:341180
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-08-23Bibliographically approved

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