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Pronounced shape change induced by quasiparticle alignment
KTH, Superseded Departments, Physics.
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2000 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 6103, no 3Article in journal (Refereed) Published
Abstract [en]

Mean lifetimes of high-spin states of Kr-74 have been determined using the Doppler-shift attenuation method. The high-spin states were studied using the Ca-40(Ca-40, alpha 2p) reaction at a beam energy of 160 MeV with the GASP gamma-ray spectrometer. The ground-state band and negative parity side band show the presence of three different configurations in terms of transitional quadrupole deformations. A dramatic shape change was found along the ground-state band after the S-band crossing. The deduced quadrupole deformation changes are well reproduced by cranked Woods-Saxon Strutinsky calculations.

Place, publisher, year, edition, pages
2000. Vol. 6103, no 3
Keyword [en]
nuclei, bands, kr-74, isotopes, krypton, proton, sr
URN: urn:nbn:se:kth:diva-19614ISI: 000085792500003OAI: diva2:338306
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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