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B and C semileptonic decays in OPAL
For several years, experimental results for BR(b to lX) obtained near the Upsilon (4S) and Z/sup 0/ resonances have disagreed at the few sigma level. A new OPAL result for BR(b to mu X) based on the full data sample collected near $9 the Z/sup 0/ resonance is presented here. The result is extracted...
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| Lenguaje: | eng |
| Publicado: |
1999
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| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(99)00355-2 http://cds.cern.ch/record/409805 |