Self-energy of Lambda in finite nuclei
M Hjorth-Jensen, A Polls, A Ramos, H Muether
Abstract
The self--energy of the strange baryon Λ in 17O is calculated using a microscopic many--body approach which accounts for correlations beyond the mean--field or Hartree--Fock approximation. The non-locality and energy-dependence of the Λ self--energy is discussed and the effects on the bound and scattering states are investigated. For the nucleon--hyperon interaction, we use the potential models of the Jülich and Nijmegen groups.
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