Self-consistent description of EL transitions between one-phonon states in magic nuclei

被引:0
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作者
S. P. Kamerdzhiev
D. A. Voitenkov
E. E. Saperstein
S. V. Tolokonnikov
M. I. Shitov
机构
[1] National Research Center Kurchatov Institute,
[2] Leipunsky Institute of Physics and Power Engineering,undefined
[3] National Research Nuclear University MEPhI (Moscow Engineering Physics Institute),undefined
[4] Moscow Institute of Physics and Technology (State University),undefined
来源
JETP Letters | 2017年 / 106卷
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摘要
Transition probabilities between low-lying one-phonon states of magic nuclei are for the first time computed self-consistently within an approach to anharmonic effects based on the quantum theory of many-body systems. In the adopted approach, three-quasiparticle correlations in the ground state are taken into account, and the nuclear mean field is interrelated with the effective nucleon–nucleon interaction. These quantities are derived using the energy density functional method with known parameters of the Fayans functional. The E1 and E2 transitions in the 132Sn and 208Pb nuclei are considered as an example, and a reasonably good agreement with the data on these nuclei is reached. Three-quasiparticle correlations in the ground state are shown to make a significant contribution to the probabilities of the discussed transitions.
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页码:139 / 144
页数:5
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