Four-quark state in QCD

Details Four-quark state in QCD Four-quark state in QCD

2000-04-28

arxiv.org/abs/hep-ph/0004261v1

Phys.Rev. D61 (2000) 114021

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 ps figures, Latex

Scientific paper

10.1103/PhysRevD.61.114021

The spectra of some 0++ four-quark states, which are composed of \bar qq pairs, are calculated in QCD. The light four-quark states are calculated using the traditional sum rules while four-quark states containing one heavy quark are computed in HQET. For constructing the interpolating currents, different couplings of the color and spin inside the \bar qq pair are taken into account. It is found that the spin and color combination has little effect on the mass of the four-quark states.

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