Updated precision measurement of the average lifetime of B hadrons
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Updated precision measurement of the average lifetime of B hadrons

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Updated precision measurement of the average lifetime of B hadrons

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DELPHI Collaboration; Higón Rodríguez, Emilio Perfil; Castillo Giménez, María Victoria Perfil; Ferrer Soria, Antonio Perfil; Alemany Fernández, Reyes; Cabrera Urbán, Susana Perfil; Cortina Gil, Eduardo; Fuster Verdú, Juan A. Perfil; García García, Carmen Perfil; Hernández Rey, Juan José Perfil; Lacasta Llácer, Carlos; Martínez Vidal, Fernando Perfil; Martí García, Salvador; Navas Concha, Sergio; Salt Cairols, José Perfil
This document is a artículoDate1996

Este documento está disponible también en : http://hdl.handle.net/10550/33925
The measurement of the average lifetime of B hadrons using inclusively reconstructed secondary vertices has been updated using both an improved processing of previous data and additional statistics from new data. This has reduced the statistical and systematic uncertainties and gives \tau_{\mathrm{B}} = 1.582 \pm 0.011\ \mathrm{(stat.)} \pm 0.027\ \mathrm{(syst.)}\ \mathrm{ps.} Combining this result with the previous result based on charged particle impact parameter distributions yields \tau_{\mathrm{B}} = 1.575 \pm 0.010\ \mathrm{(stat.)} \pm 0.026\ \mathrm{(syst.)}\ \mathrm{ps.}

    DELPHI Collaboration Higón Rodríguez, Emilio Castillo Giménez, María Victoria Ferrer Soria, Antonio 1996 Updated precision measurement of the average lifetime of B hadrons Physics Letters B 377 1-3 195 204
http://dx.doi.org/10.1016/0370-2693(96)00452-2

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