Charm counting in b and c events at LEP

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In this article the current status of the partial width R/sub c//sup 0/ of the Z/sup 0/ to cc and of the multiplicity n/sub c/ of charm quarks per b decay are discussed. Final results presented by the LEP experiments using their full LEP 1 data sets lead to a more precise determination of both quant...

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Detalles Bibliográficos
Autor principal: Elsing, M
Lenguaje:eng
Publicado: 2000
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/516863
Descripción
Sumario:In this article the current status of the partial width R/sub c//sup 0/ of the Z/sup 0/ to cc and of the multiplicity n/sub c/ of charm quarks per b decay are discussed. Final results presented by the LEP experiments using their full LEP 1 data sets lead to a more precise determination of both quantities. The new LEP and SLC averages are R /sub c//sup 0/=0.1674+or-0.0038 and n/sub c/=1.149+or-0.036. (18 refs).

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