First study of the three-gluon static potential in Lattice QCD

Details First study of the three-gluon static potential in Lattice QCD First study of the three-gluon static potential in Lattice QCD

2008-07-10

arxiv.org/abs/0807.1621v1

Phys.Rev.D78:074508,2008

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages, 10 figures

Scientific paper

10.1103/PhysRevD.78.074508

We estimate the potential energy for a system of three static gluons in Lattice QCD. This is relevant for the different models of three-body glueballs have been proposed in the literature, either for gluons with a constituent mass, or for massless ones. A Wilson loop adequate to the static hybrid three-body system is developed. We study different spacial geometries, to compare the starfish model with the triangle model, for the three-gluon potential. We also study two different colour structures, symmetric and antisymmetric, and compare the respective static potentials. A first simulation is performed in a $24^3 \times 48$ periodic Lattice, with $\beta=6.2$ and $a \sim 0.072$ fm.

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