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 preprints:1997:ttp97-11 [2016/03/17 11:03] preprints:1997:ttp97-11 [2016/03/17 11:03] (current) Line 1: Line 1: + ====== TTP97-11 Mass Corrections to the Vector Current Correlator ====== + + + Three-loop QCD corrections to the vector current correlator + are considered.  The large momentum procedure is applied in order to + evaluate mass corrections up to order $(m^2/q^2)^6$.  The inclusion of + the first seven terms to the ratio + $R=\sigma(e^+e^-\to\mbox{hadrons})/\sigma(e^+e^-\to\mu^+\mu^-)$ leads + to reliable predictions from the high energy region down to relatively + close to threshold. + + + |**K.G. Chetyrkin, R. Harlander, J.H. Kuehn, M. Steinhauser**  | + |** Nucl. Phys. B 503 339-353 1997  **  | + | {{preprints:1997:ttp97-11.pdf|PDF}} {{preprints:1997:ttp97-11.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/9704222|arXiv]]   | + | |