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Estimates of the O($\alpha_{s}^{4}$) corrections to $\sigma_{tot}$(e+e- --> hadrons), $\Gamma$($\tau$ --> $\nu_{\tau}$ + hadrons) and deep inelastic scattering sum rules
We present the estimates of the order O(\alpha_s^4) QCD corrections to R(s)=\sigma_{tot}(e^+e^-\rightarrow hadrons)/ \sigma (e^+e^\rightarrow \mu^+\mu^-), R_{\tau}= \Gamma(\tau \rigtarrow \nu_{\tau}+hadrons)/\Gamma(\tau\rightarrow \nu_{tau}\overline{\nu}_ {e}e) and to the deep inelastic scattering s...
Autores principales: | Kataev, A L, Starshenko, V V |
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Lenguaje: | eng |
Publicado: |
1994
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/263191 |
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