Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9861056 | Physics Letters B | 2005 | 5 Pages |
Abstract
We study the QCD color interactions between static two heavy quarks at zero temperature in a quenched SU(3) lattice gauge simulation: in addition to the standard singlet qq¯ potentials, we calculate octet qq¯ potentials, symmetric and antisymmetric qq potentials. It is shown that the antisymmetric qq channel behaves as a linearly rising potential at large quark separations. We further find that the qq¯ octet and qq symmetric channels have the complex dependence on the distance; at short distances they are repulsive forces, while at large distances, they show linearly rising feature. Ratio of string tensions between qq¯ singlet and qq antisymmetric potentials is described in terms of the Casimir factor.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
A. Nakamura, T. Saito,