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Rotating N=Z nuclei - A probe to the t=0 and t=1 pairing correlations
2001 (English)In: Acta Physica Polonica B, ISSN 0587-4254, E-ISSN 1509-5770, Vol. 32, no 9, 2457-2468 p.Article in journal (Refereed) Published
Abstract [en]

A study of heavy N=Z nuclei including t=1, t(z)=+/-1 pairing only clearly reveals the shortcoming of that model in T-z=0 nuclei. We present a simple model in which we study the response of isoscalar t=0 and isovector t=1 pairing correlations to rotational motion. In particular, we address the role played by the t=1 and t=0 pair gaps with respect to the band crossing frequency. We argue that the t=1 neutron-proton pair field is of limited importance in even-even nuclei. For the t=0 pair field, we introduce two different pairing modes. One is invariant with respect to signature symmetry and one is not. The signature conserving mode results in a delay of the band crossing frequency, whereas the signature breaking part enhances the rigidity of the moment of inertia.

Place, publisher, year, edition, pages
2001. Vol. 32, no 9, 2457-2468 p.
Keyword [en]
model, alignment, shape, bands
Identifiers
URN: urn:nbn:se:kth:diva-21017ISI: 000171568000020OAI: oai:DiVA.org:kth-21017DiVA: diva2:339714
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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