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Excitation Energies of Superdeformed States in $^{196}$Pb: Towards a Systematic Study of the Second Well in Pb Isotopes

Abstract : The excitation energy of the lowest-energy superdeformed band in $^{196}$Pb is established using the techniques of time-correlated $\gamma$-ray spectroscopy. Together with previous measurements on $^{192}$Pb and $^{194}$Pb, 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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http://hal.in2p3.fr/in2p3-00025124
Contributor : Dominique Girod <>
Submitted on : Tuesday, June 1, 2021 - 5:01:05 PM
Last modification on : Wednesday, June 2, 2021 - 1:45:21 PM

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A.N. Wilson, A.K. Singh, H. Hübel, P.M. Davidson, A. Görgen, et al.. Excitation Energies of Superdeformed States in $^{196}$Pb: Towards a Systematic Study of the Second Well in Pb Isotopes. Physical Review Letters, American Physical Society, 2005, 95, pp.182501. ⟨10.1103/PhysRevLett.95.182501⟩. ⟨in2p3-00025124⟩

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