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抄録

The flavor-singlet H dibaryon, which has strangeness -2 and baryon number 2, is studied by the approach recently developed for the baryon-baryon interactions in lattice QCD. The flavor-singlet central potential is derived from the spatial and imaginary-time dependence of the Nambu-Bethe-Salpeter wave function measured in Nf=3 full QCD simulations with the lattice size of L≃2,3,4  fm. The potential is found to be insensitive to the volume, and it leads to a bound H dibaryon with the binding energy of 30–40 MeV for the pseudoscalar meson mass of 673–1015 MeV.

収録刊行物

  • Physical review letters

    Physical review letters 106(16), 162002, 2011-04

    American Physical Society

キーワード

各種コード

  • NII論文ID(NAID)
    120003133746
  • NII書誌ID(NCID)
    AA00773679
  • 本文言語コード
    ENG
  • 資料種別
    journal article
  • ISSN
    0031-9007
  • データ提供元
    IR 
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