A-dependence of ⋀ ⋀ bond energies in double-⋀ hypernuclei

Dmitry E. Lanskoy, Yu A. Lurie, Andrey M. Shirokov

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The A-dependence of the bond energy ΔB⋀ ⋀ of the ⋀ ⋀ hypernuclear ground states is calculated in a three-body ⋀+⋀+AZ model and in the Skyrme-Hartree-Fock approach. Various ⋀ ⋀ and ⋀-nucleus or ⋀N potentials are used and the sensitivity of ΔB⋀ ⋀ to the interactions is discussed. It is shown that in medium and heavy ⋀ ⋀ hypernuclei, ΔB⋀ ⋀ is a linear function of r -3, where r is rms radius of the hyperon orbital. It looks unlikely that it will be possible to extract ⋀ ⋀ interaction from the double-⋀ hypernuclear energies only, the additional information about the ⋀-core interaction, in particular, on r is needed.

Original languageEnglish
Pages (from-to)95-100
Number of pages6
JournalZeitschrift fur Physik A Hadrons and Nuclei
Issue number1
StatePublished - Mar 1997
Externally publishedYes


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