The static tetraquark and pentaquark potentials

Details The static tetraquark and pentaquark potentials The static tetraquark and pentaquark potentials

2004-07-05

arxiv.org/abs/hep-lat/0407005v2

Phys.Rev. D71 (2005) 014504

Physics

High Energy Physics

High Energy Physics - Lattice

Extended version to appear in Phys. Rev. D, 11 pages, 19 figures

Scientific paper

10.1103/PhysRevD.71.014504

We evaluate the static $qq\bar{q}\bar{q}$ and $qqqq\bar{q}$ potentials in the quenched theory at $\beta=5.8$ and $\beta=6.0$ on a lattice of size $16^3\times 32$. We compare the static potentials to the sum of two meson potentials for the tetraquark system and to the sum of the baryonic and mesonic potentials for the pentaquark state, as well as, with the confining potential obtained in the strong coupling expansion.

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