Intensity profiles of superdeformed bands in Pb isotopes in a two-level mixing model

Wilson, A. N., Szigeti, S. S., Davidson, P. M., Rogers, J. I. and Cardamone, D. M. (2009) Intensity profiles of superdeformed bands in Pb isotopes in a two-level mixing model. Physical Review C - Nuclear Physics, 79 1: . doi:10.1103/PhysRevC.79.014312

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Author Wilson, A. N.
Szigeti, S. S.
Davidson, P. M.
Rogers, J. I.
Cardamone, D. M.
Title Intensity profiles of superdeformed bands in Pb isotopes in a two-level mixing model
Journal name Physical Review C - Nuclear Physics   Check publisher's open access policy
ISSN 0556-2813
Publication date 2009-01-23
Year available 2009
Sub-type Article (original research)
DOI 10.1103/PhysRevC.79.014312
Open Access Status File (Publisher version)
Volume 79
Issue 1
Total pages 9
Place of publication College Park, MD United States
Publisher American Physical Society
Collection year 2010
Language eng
Subject 3106 Nuclear and High Energy Physics
Abstract A recently developed two-level mixing model of the decay out of superdeformed bands is applied to examine the loss of flux from the yrast superdeformed bands in Pb192, Pb194, and Pb196. Probability distributions for decay to states at normal deformations are calculated at each level. The sensitivity of the results to parameters describing the levels at normal deformation and their coupling to levels in the superdeformed well is explored. It is found that except for narrow ranges of the interaction strength coupling the states, the amount of intensity lost is primarily determined by the ratio of γ decay widths in the normal and superdeformed wells. It is also found that while the model can accommodate the observed fractional intensity loss profiles for decay from bands at relatively high excitation, it cannot accommodate the similarly abrupt decay from bands at lower energies if standard estimates of the properties of the states in the first minimum are employed.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
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Created: Sat, 17 May 2014, 23:14:55 EST by Stuart Szigeti on behalf of School of Mathematics & Physics