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  Spreading widths for superdeformed states in Hg-194 and Pb-194

Krucken, R., Dewald, A., von Brentano, P., & Weidenmüller, H. A. (2001). Spreading widths for superdeformed states in Hg-194 and Pb-194. Physical Review C, 6406(6): 064316, pp. 064316-064316.

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Krucken, R.1, Author
Dewald, A.1, Author
von Brentano, P.1, Author
Weidenmüller, H. A.2, Author           
Affiliations:
1Yale Univ, Dept Phys, AW Wright Nucl Struct Lab, New Haven, CT; 06520 USA; Yale Univ, Dept Phys, AW Wright Nucl Struct Lab, New Haven, CT 06520 USA; Univ Cologne, Inst Kernphys, D-50937 Cologne, ou_persistent22              
2Prof. Hans A. Weidenmüller, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907547              

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 Abstract: Using several theoretical models, we have obtained estimates for the spreading widths Gamma (!) for the decay out of a superdeformed (SD) band. We pay particular attention to the statistical model by Gu and Weidenmuller. Our results for Hg- 194 and Pb-194 are compared to other theoretical predictions and to experimental upperbounds for Gamma (!). We find that the models of Gu and Weidenmuller and of Vigezzi et al. yield a consistent description of the data. We relate Gamma (!) to the strength v of the interaction that couples the normally deformed levels to the SD level at which the decay out of the SD band occurs. Using an exponential spin dependence of v, we are able to reproduce the intraband intensities in the SD bands in Hg-194 and Pb-194.

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Language(s): eng - English
 Dates: 2001-12
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 27710
ISI: 000172733000024
 Degree: -

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Title: Physical Review C
  Alternative Title : Phys. Rev. C
Source Genre: Journal
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Pages: - Volume / Issue: 6406 (6) Sequence Number: 064316 Start / End Page: 064316 - 064316 Identifier: ISSN: 0556-2813