Calculation of spin-dependent parameters in the Landau-Migdal theory of nuclei

G. E. Brown, S. O. Bäckman, E. Oset, W. Weise

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Contributions to the spin-dependent parameter G'0, the coefficient of σ1·σ2τ1·τ2 δ(r1-r2) in the Fermi-liquid interaction, and to the tensor invariants, are related back to elementary-particle exchange. Once finite-range pion-nucleon interactions are used, almost all of G'0 comes from theρ-exchange nucleon-nucleon potential. Using modern parameterizations of the strength in the ρ-channel, we find G'0 to be in the region of 1.5 to 2.4 which agrees well with an empirical determination.

Original languageEnglish
Pages (from-to)191-210
Number of pages20
JournalNuclear Physics, Section A
Issue number1
StatePublished - 8 Aug 1977
Externally publishedYes


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