High resolution spectroscopy of Λ hypernuclei: Present status and perspectives

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25 Citations (Scopus)


We have successfully started a project of hypernuclear γ spectroscopy with a germanium detector array called Hyperball. Transitions in 7ΛLi and 9ΛBe were observed and information on the ΛN spin-spin and spin-orbit interactions were obtained. Hypernuclear shrinking effect was also observed from B(E2) in 7ΛLi. More experiments to determine all the ΛN spin-dependent interaction terms are in progress at BNL. Various types of experiments are planned with the upgraded Hyperball in the future. In particular, γ-weak coincidence method is proposed for B(M1) measurement.

Original languageEnglish
Pages (from-to)86-92
Number of pages7
JournalNuclear Physics A
Issue number1-2
Publication statusPublished - 2001 Aug 13


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