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From highly to superdeformed shapes: study of Gd-143
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2000 (English)In: Nuclear Physics A, ISSN 0375-9474, Vol. 671, no 04-jan, 52-70 p.Article in journal (Refereed) Published
Abstract [en]

A superdeformed band has been discovered in Gd-143 consisting Of 15 transitions. It does not show the band crossing observed in the neighbouring heavier Gd isotopes and it is degenerate with the superdeformed band in Eu-143. In contrast to other degenerate bands at superdeformed shape, the configurations of the bands are quite different here. They result from the exchange of a nu 6(4) with a pi[404]9/2 configuration. In addition, a collective band has been observed which adopts a well-deformed triaxial shape at high spins according to calculations. The transition from highly to superdeformed shapes proceeds via triaxial shapes.

Place, publisher, year, edition, pages
2000. Vol. 671, no 04-jan, 52-70 p.
Keyword [en]
nuclear reactions Mo-97(V-51,p4n), E=238 MeV, measured E-gamma, I-gamma, gamma gamma gamma-proton coin, DCO ratios, gamma-polarization, Gd-143 deduced levels, J, pi, superdeformed bands, configurations, Compton-suppressed Ge-detector array, Si particle-telescope array, cranked shell model calculations, i13/2 intruder band, quadrupole-moment, nucleus gd-144, region, spectroscopy, excitations, eu-144, dipole, shell
URN: urn:nbn:se:kth:diva-19772ISI: 000087144200004OAI: diva2:338464
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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