Supersymmetry in74Se,75Se,73As,and74As nuclei |
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Authors: | A. Algora T. Fényes Zs. Dombrádi J. Jolie |
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Affiliation: | 1. Institute of Nuclear Research of the Hungarian Academy of Sciences, P.O. Box 51, H-4001, Debrecen, Hungary 2. Institut de Physique, Université de Fribourg, CH-1700, Fribourg, Switzerland
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Abstract: | New experimental data, obtained on73As and74As, were used to test the predictions of the U(6/12)U (6/12) supersymmetry scheme in its vibrational limit. The level spectra of3474Se40,3475Se41,3373AS40 and3374As41 supermultiplet nuclei have been calculated using a simple closed energy formula. 44 states in four different nuclei have been reasonably described using only 7 fitted parameters. The existence of supersymmetry was supported also by one-nucleon transfer reaction data, electromagnetic properties, and by a comparison between the supersymmetry and interacting boson-fermion-fermion model wave functions. |
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Keywords: | KeywordHeading" >PACS 21.10 21.60 27.50 |
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