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Introduction : $R_b$, $R_c$ and QCD
Precision measurements using the b quark, i.e. the isopartner of the heaviest fermion top, probe new physics that could have escaped the more precise tests using light fermions and leptons in particular. At present, the measured decay rate of the Z boson in b quarks is 3 standard deviations away fro...
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| Lenguaje: | eng |
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1996
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| Acceso en línea: | http://cds.cern.ch/record/308012 |