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Shape evolution in the superdeformed A approximate to 80-90 mass region
KTH, Superseded Departments, Physics.
KTH, Superseded Departments, Physics.ORCID iD: 0000-0003-1771-2656
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2003 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 68, no 6, 643091-643095 p.Article in journal (Refereed) Published
Abstract [en]

Superdeformed bands in Mo-88, Tc-89, and Tc-91 were populated using a Ca-40 beam with an energy of 185 MeV, impinging on a backed Ni-58 target. gamma rays and charged particles emitted in the reactions were detected using the Gammasphere Ge detector array and the CsI(TI) array Microball. Average transition quadrupole moments Q(t) with significantly improved accuracy compared to earlier work, were deduced for the bands using the residual doppler shift technique. The experimental results were included into a systematic study of the Q(t) values throughout the superdeformed mass 80-90 region. The superdeformed shell gaps are predicted to move towards larger deformations with increasing Z and N in this mass region. This trend is confirmed by the experimental Q(t) values.

Place, publisher, year, edition, pages
2003. Vol. 68, no 6, 643091-643095 p.
Keyword [en]
high-spin states, response characteristics, channel-selection, mean-field, gammasphere, transitions, nuclei, bands, mo-88
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-23143DOI: 10.1103/PhysRevC.68.064309ISI: 000188769500021OAI: diva2:341841
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-08-23Bibliographically approved

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Lagergren, KarinCederwall, BoIssa, TomasJohnson, ArneWyss, Ramon
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