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New results on the superdeformed 196Pb nucleus: decay of the excited bands to the yrast band |
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| Authors: | S. Bouneau F. Azaiez J. Duprat I. Deloncle M.-G. Porquet U.J. van Severen T. Nakatsukasa M.-M. Aléonard A. Astier G. Baldsiefen C.W. Beausang F.A. Beck C. Bourgeois D. Curien N. Dozié L. Ducroux B.J.P. Gall H. Hübel M. Kaci W. Korten M. Meyer N. Redon H. Sergolle J.F. Sharpey-Schafer |
| Affiliation: | 1. IPN, IN2P3/CNRS, F-91406, Orsay, France 2. CSNSM, IN2P3-CNRS, F-91405, Orsay Campus, France 3. ISKP, Universit?t Bonn, D-53115, Bonn, Germany 4. AECL, Chalk River, Ontario, KOJ 1J0, Canada 5. CENBG, IN2P3/CNRS, F-33037, Gradignan, France 6. IPN Lyon, IN2P3/CNRS, F-69622, Villeurbanne, France 7. University of Liverpool, Liverpool, L69 3BX, UK 8. CRN, IN2P3/CNRS, F-67037, Strasbourg, France 9. NAC Faure, ZA-7131, South Africa |
| Abstract: | The study of the superdeformed 196Pb nucleus has been revisited using the EUROGAMphase 2 array. In addition to the known yrast and two excited SD bands, a third excited SD band has been found. All of the three excited bands were found to decay to the yrast SD band through presumably E1 transitions. Comparisons with calculations using RPAapproximation indicate that the excited bands can be interpreted as octupole-vibrational structures. |
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