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Measurement of R at the $Z_{0}$ peak using neural networks
In this thesis a determination of the quotient of th hadronic and leptoni c widths of the Z_0 is presented, through the measurement of the ratio of cross sections sigma (e+e- --> hadrons)/sigma (e+e- --> leptons) where leptons are The data used were collected by the ALEPH detector at CERN'...
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| Lenguaje: | eng |
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CERN
1994
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| Acceso en línea: | http://cds.cern.ch/record/391235 |