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The Omega-Omega (SIJ=-6,0,0) dibaryon state is studied with the extendedquark-delocalization color-screening model including a pi meson exchange tail,which reproduces the properties of the deuteron quantitatively. We find themass of the di-Omega to be about 45 MeV lower than the Omega-Omega threshold.The effect of channel coupling due to the tensor force has been calculated andfound to be small in this case. We have also studied the effect of otherpseudoscalar meson exchanges and sensitivity to the short-range cutoff radius,r_0, for the meson exchanges.Comment: 13 pages, 2 figures, revtex

Di-Ω in the extended quark delocalization, color screening model