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Rodrigo García, Germán Vicente; Pich Zardoya, Antonio; Santamaria, Arcadi | |||
Aquest document és un/a article, creat/da en: 1998 | |||
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Using the recent four-loop calculations of the QCD p-function and the three-loop matching coefficients we study the induced errors in alpha(s)(m(Z)) obtained from alpha(s)(M-tau) due to the evolution procedure. We show that, when consistent matching and running is used at this order, these errors are pushed below 0.0005 in alpha(s)(m(Z)). | |||
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