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 — preprints:2002:ttp02-26 [2016/03/17 11:03] (current) Line 1: Line 1: + ====== TTP02-26 The Impact of $\sigma(e^+e^-\to \mbox{hadrons})$ Measurements at Intermediate Energies on the Parameters of the Standard Model ====== + + + <​hidden TTP02-26 ​ The Impact of $\sigma(e^+e^-\to \mbox{hadrons})$ Measurements at Intermediate Energies on the Parameters of the Standard Model > We discuss the impact of precision measurements of $\sigma(e^+e^-\to + ​\mbox{hadrons})$ + in the center-of-mass range between 3 and 12~GeV, including improvements + in the electronic widths of the narrow charmonium and bottonium resonances,​ + on the determination of parameters of the Standard Model. + In particular we discuss the impact of potential improvements on the + ​extraction of the strong coupling constant $\alpha_s$, on the evaluation of + the hadronic contributions to the electromagnetic coupling $\alpha(M_Z)$,​ and + the determination of the charm and bottom quark masses. + ​ + |**J.H. K\"uhn and M. Steinhauser** ​ | + |**  JHEP  0210 018 2002  **  | + | {{preprints:​2002:​ttp02-26.pdf|PDF}} {{preprints:​2002:​ttp02-26.ps|PostScript}} [[http://​arxiv.org/​abs/​hep-ph/​0209357|arXiv]] ​  | + | |