Bound H dibaryon in flavor SU(3) limit of lattice QCD

Takashi Inoue, Noriyoshi Ishii, Sinya Aoki, Takumi Doi, Tetsuo Hatsuda, Yoichi Ikeda, Keiko Murano, Hidekatsu Nemura, Kenji Sasaki

研究成果: Contribution to journalArticle査読

257 被引用数 (Scopus)

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 L2,3,4fm. 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.

本文言語英語
論文番号162002
ジャーナルPhysical review letters
106
16
DOI
出版ステータス出版済み - 4 20 2011
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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