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Excitation energies of superdeformed States in 196Pb: towards a systematic study of the second well in Pb isotopes |
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| Authors: | Wilson A N Singh A K Hübel H Davidson P M Görgen A Rossbach D Korichi A Astier A Azaiez F Bazzacco D Bourgeois C Buforn N Byrne A P Dracoulis G D Hannachi F Hauschild K Korten W Kröll T Lane G J Lopez-Martens A Redon N Reiter P Rossi-Alvarez C Schonwasser G Stezowski O Thirolf P G |
| Affiliation: | Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia. Anna.Wilson@anu.edu.au |
| Abstract: | The excitation energy of the lowest-energy superdeformed band in 196Pb is established using the techniques of time-correlated gamma-ray spectroscopy. Together with previous measurements on 192Pb and 194Pb, this result allows superdeformed excitation energies, binding energies, and two-proton and two-neutron separation energies to be studied systematically, providing stringent tests for current nuclear models. The results are examined for evidence of a "superdeformed shell gap." |
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