Experimental Study of Double-Λ Hyperuclei with Nuclear Emulsion(Cahpter IV. Experiment,Hypernuclei and Baryon-Baryon Interaction)

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概要

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• Our experimental knowledge concerning double strangeness system is summarized, briefly. Latest numerical values of energies are given for Λ-Λ interaction and binding of two Λ hyperons in several nuclei. A double-Λ hypernucleus of ^6_<ΛΛ>He ("Lambpha"/NAGARA event) strongly suggested an weak attractive Λ-Λ interaction with ΔB_<ΛΛ>=0.67±0.16MeV, and the lower mass limit of the H-dibaryon to be 2223.7MeV/c^2 (90% C.L.). A probable candidate of ^<10>_<ΛΛ>Be nucleus was observed with its excitation energy of 2.8±0.4MeV.

• 2010-11-30

著者

• NAKAZAWA Kazuma

  Physics Department, Gifu University

• TAKAHASHI Hitoshi

  Institute of Particle and Nuclear Studies, KEK

• Nakazawa Kazuma

  Physics Department Gifu University

• Takahashi Hitoshi

  Institute Of Particle And Nuclear Studies Kek

関連論文

• Experimental Study of Double-Λ Hyperuclei with Nuclear Emulsion(Cahpter IV. Experiment,Hypernuclei and Baryon-Baryon Interaction)

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