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Scheme dependence of the next-to-next-to-leading QCD corrections to Gamma tot(H0-->hadrons) and the spurious QCD infrared fixed point.

The analytical result of reevaluation of the massless three-loop next-to-next-to-leading-order QCD corrections to {Gamma}{sub tot}({ital H}{sup 0}{r arrow}hadrons) is presented. The analysis of the scheme-dependence property is considered. The value of the scheme-invariant quantity {rho}{sub 2} is determined. It turns out to be negative and large. Therefore, the truncated effective {beta} function has an infrared zero. It is argued that this fixed point'' is a spurious one. The problem of getting reliable information from the perturbative series with large coefficients is discussed.