High-K isomers as probes of octupole collectivity in heavy nuclei
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Walker, PM and Minkov, N (2010) High-K isomers as probes of octupole collectivity in heavy nuclei Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 694 (2). 119 - 122. ISSN 0370-2693
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Official URL: http://dx.doi.org/10.1016/j.physletb.2010.09.049
Abstract
The influence of the octupole deformation on the structure of high-K isomeric states in the region of heavy even-even actinide nuclei is studied through a reflection asymmetric deformed shell model (DSM). Two-quasiparticle states with high-K val- ues are constructed by taking into account the pairing effect through a DSM+BCS procedure with constant pairing interaction. The behaviour of two-quasiparticle ener- gies and magnetic dipole moments of K = 6+, 6− and 8− configurations, applicable to mass numbers in the range A = 234 − 252, was examined over a wide range of quadrupole and octupole deformations. A pronounced sensitivity of the magnetic moments to the octupole deformation is found. The result suggests a possibly im- portant role for high-K isomers in determining the degree of octupole deformation in heavy actinide nuclei.
| Item Type: | Article |
|---|---|
| Additional Information: | NOTICE: this is the author’s version of a work that was accepted for publication in Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 694(2), September 2010, DOI 10.1016/j.physletb.2010.09.049. |
| Divisions: | Faculty of Engineering and Physical Sciences > Physics |
| ID Code: | 7512 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 02 Feb 2012 16:58 |
| Last Modified: | 16 Feb 2013 16:45 |
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