Colour fields of the static hybrid gluon-quark-antiquark system

Details Colour fields of the static hybrid gluon-quark-antiquark system Colour fields of the static hybrid gluon-quark-antiquark system

2010-10-05

arxiv.org/abs/1010.1033v2

Acta Phys.Polon.Supp.3:997-1002,2010

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 5 figures and 1 table, contribution submitted to Excited QCD 2010, Tatranska Lomnica, Slovakia, February 2010

Scientific paper

The colour fields, created by a static gluon-quark-antiquark system, are computed in quenched SU(3) lattice QCD, in a $24^3\times 48$ lattice at $\beta=6.2$ and $a=0.07261(85)\,fm$. We study two geometries, one with a U shape and another with an L shape. The particular cases of the two gluon glueball and quark-antiquark are also studied, and the Casimir scaling is investigated in a microscopic perspective. This also contributes to understand confinement with flux tubes and to discriminate between the models of fundamental versus adjoint confining strings, analogous to type-II and type-I superconductivity.

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