Lattice Study of the $H$ Dibaryon

Details Lattice Study of the $H$ Dibaryon Lattice Study of the $H$ Dibaryon

1998-09-11

arxiv.org/abs/hep-lat/9809077v1

Nucl.Phys.Proc.Suppl.73:255-257,1999

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(spectrum) 3 pages, 2 figures

Scientific paper

10.1016/S0920-5632(99)85040-3

The mass of the lowest spin-zero, strangeness-$(-2)$ flavor singlet state in the dibaryon sector has been calculated in quenched QCD on $16^3\times32$ and $24^3\times32$ lattices at $\beta=5.85$ to study whether the energy of the proposed $H$ dibaryon is near or below the $\Lambda\Lambda$ threshold. Preliminary results indicate that finite lattice volume artifacts overestimate the binding, and that on the largest lattice $m_H$ is of the order of $100\MeV$ above the $\Lambda\Lambda$ threshold.

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