Superdeformation in the Doubly Magic Nucleus 4020Ca20

E. Ideguchi, D. G. Sarantites, W. Reviol, A. V. Afanasjev, M. Devlin, C. Baktash, R. V.F. Janssens, J. Ullrich, A. Axelsson, M. P. Carpenter, A. Galindo-Uribarri, D. R. LaFosse, T. Lauritsen, F. Lerma, C. J. Lister, P. Reiter, D. Seweryniak, M. Weiszflog, J. N. Wilson

Research output: Contribution to journalArticlepeer-review

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Abstract

Rotational band with seven γ-ray transitions between states with spin 2ħ and 16ħ has been observed in the doubly magic, self-conjugate nucleus 4020Ca20. The measured transition quadrupole moment of 1.80+0.39−0.29eb indicates a superdeformed shape with a deformation β2 = 0.59+0.11−0.07. The features of this band are explained by cranked relativistic mean field calculations to arise from an 8-particle 8-hole excitation.

Original languageEnglish
Pages (from-to)222501-222501-4
JournalPhysical Review Letters
Volume87
Issue number22
DOIs
StatePublished - Nov 26 2001

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