Order-$\alpha_s^3$ determination of the strange quark mass

K.G. Chetyrkin; D. Pirjol; K. Schilcher

Order-$\alpha_s^3$ determination of the strange quark mass

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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.

K.G. Chetyrkin, D. Pirjol, K. Schilcher · 1996

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