Baryon-baryon interactions with strangeness studied from hypernuclei

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Structure of hypernuclei provides valuable information on baryon-baryon interactions. We have studied the ΛN spin-dependent interactions from precise level structure of p-shell Λ hypernuclei by means of a recently-developed technique of hypernuclear γ-ray spectroscopy with the germanium detector array, Hyperball. The strengths of the spin-spin, spin-orbit, and tensor interactions have been experimentally determined from Λ7Li, Λ 9Be, and Λ16O hypernuclear level energies. Consistency check of the strength parameters has been also made with more p-shell hypernuclear data. Experimental results on double Λ hypernuclei and Σ hypernuclei have also provided information on ΛΛ and ΣN interactions.

Original languageEnglish
Pages (from-to)155-164
Number of pages10
JournalNuclear Physics A
Issue number1-4 SPEC. ISS.
Publication statusPublished - 2005 Apr 18

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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