par Bender, Michaël 
;Cornelius, Th. Walter;Lalazissis, Georgios A.;Maruhn, Joachim Alexander;Nazarewicz, Witold;Reinhard, Paul Gerhard
Référence European Physical Journal A. Hadrons and Nuclei, 14, 1, page (23-28)
Publication Publié, 2002
;Cornelius, Th. Walter;Lalazissis, Georgios A.;Maruhn, Joachim Alexander;Nazarewicz, Witold;Reinhard, Paul GerhardRéférence European Physical Journal A. Hadrons and Nuclei, 14, 1, page (23-28)
Publication Publié, 2002
Article révisé par les pairs
| Résumé : | Recent mass measurements show a substantial weakening of the binding-energy difference δ2p(Z, N) = E(Z - 2, N) - 2E(Z, N) + E(Z + 2, N) in the neutron-deficient Pb isotopes. As δ2p is often attributed to the size of the proton magic gap, it might be speculated that reduction in δ2p is related to a weakening of the spherical Z = 82 shell. We demonstrate that the observed trend is described quantitatively by self-consistent mean-field models in terms of deformed ground states of Hg and Po isotopes. |
