Order-α_s³ determination of the strange quark mass
classification
✦ hep-ph
keywords
massalphacalculationcorrectionscorrelatorcurrentsdeterminationfour-loop
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We present a QCD sum rule calculation of the strange-quark mass including four-loop QCD corrections to the correlator of scalar currents. We obtain $\bar m_s(1$ GeV$)=205.5\pm 19.1$ MeV.
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