PREDICTIVE ABILITY OF QCD SUM-RULES FOR DECUPLET BARYONS

QCD sum rules for decuplet baryon two-point functions are investigated using a comprehensive Monte Carlo based procedure. In this procedure. all uncertainties in the QCD input parameters are incorporated simult aneously, resulting in realistic estimates of the uncertainties in the extracted phenomenological parameters. Correlations between the QCD i nput parameters and the phenomenological parameters are studied by way of scatter plots. The predicted couplings are useful in evaluating ma trix elements of decuplet baryons in the QCD sum rule approach. They a re also used to check a cubic scaling law between baryon couplings and masses, as recently found by Dey and co-workers. The results show a s ignificant reduction in the scaling constant and some possible deviati ons from the cubic law.