Self-Consistent Calculations of the Quadrupole Moments of the Lowest 3 States in Sn and Pb Isotopes


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self-consistent approach to anharmonic effects based on the quantum many-body theory is for the first time used to calculate the quadrupole moments of the lowest 3 states in Sn and Pb isotopes, including the 100Sn, 132Sn, and 208Pb doubly magic ones. The consistency between the mean nuclear field and the effective interaction is maintained using the energy-density-functional method with known parameters of the Fayans functional. Thereby, the quadrupole moments of the lowest 3 states of isotopes with nucleon pairing are reliably predicted, and the existing data for the 208Pb isotope are reproduced. It has been shown that the new three-quasiparticle correlations are responsible for slightly more than half of the observed effect and the remaining part is due to the quadrupole polarizability of the nucleus.

作者简介

S. Kamerdzhiev

National Research Center Kurchatov Institute

编辑信件的主要联系方式.
Email: kamerdzhiev_sp@nrcki.ru
俄罗斯联邦, Moscow, 123182

D. Voitenkov

Research Institute of Structural Graphite Materials

Email: kamerdzhiev_sp@nrcki.ru
俄罗斯联邦, Moscow, 111524

E. Saperstein

National Research Center Kurchatov Institute; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: kamerdzhiev_sp@nrcki.ru
俄罗斯联邦, Moscow, 123182; Moscow, 115409

S. Tolokonnikov

National Research Center Kurchatov Institute; Moscow Institute of Physics and Technology (State University)

Email: kamerdzhiev_sp@nrcki.ru
俄罗斯联邦, Moscow, 123182; Dolgoprudnyi, Moscow region, 141700

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