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 Physics Letters B 232 (1989) 145-150
 Collective structure of $I^{\pi}=0^+$ shape isomers in the $^{190,192,194}$Hg isotopes
 (1989)
 Structure studies based on either the Strutinsky method or self-consistent Hartree-Fock (HF) and Hartree-Fock-Bogoliubov (HFB) mean field theories suggest that superdeformed (SD) states might well develop at large quadrupole deformation (i.e. βgt-or-equal, slanted0.5) in mercury isotopes. In this work, we predict the existence of Iπ=0+ shape isomers which might take place at excitation energies of 4.4, 5.4 and 6.9 MeV in 190Hg, 192Hg and 194Hg, respectively. These SD levels are obtained by solving the Griffin-Hill-Wheeler equation in the gaussian overlap approximation. Inputs for that collective hamiltonian are tensors of inertia as well as potential energy surfaces which are deduced from constrained HFB calculations based on the finite-range, density-dependent effective force of Gogny.
 Thème(s) : Physique/Physique Nucléaire Théorique
 in2p3-00001266, version 1 http://hal.in2p3.fr/in2p3-00001266 oai:hal.in2p3.fr:in2p3-00001266 Contributeur : Jocelyne Lorgeril <> Soumis le : Jeudi 1 Avril 1999, 09:39:50 Dernière modification le : Jeudi 18 Mai 2006, 16:46:37