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- W4308604703 abstract "The lifetimes of B+ and B0 mesons have been measured using the entire sample of 550,000 hadronic Z0 decays collected by the SLD experiment at the SLC between 1993 and 1998. In this paper, we describe the inclusive analysis of the 350,000 hadronic Z0 decays collected in 1997-98 with the upgraded SLD vertex detector. In this data period, a high statistics sample of 30903 (20731) charged (neutral) vertices with good charge purity is obtained. The charge purity is enhanced by using the vertex mass, the SLC electron beam polarization (73% for 1997-8) and an opposite hemisphere jet charge technique. Combining the results of this data sample with the results from the earlier data yield the following preliminary values: $tau_{B^+}=1.623pm0.020($stat$)pm0.034$(syst) ps, $tau_{B^0}=1.589pm0.021($stat$)pm0.043$(syst) ps, $tau_{B^+}/tau_{B^0} = 1.037pm^{0.025}_{0.024}($stat$) pm0.024$(syst)." @default.
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- W4308604703 date "1999-07-26" @default.
- W4308604703 modified "2023-09-27" @default.
- W4308604703 title "Measurement of the B+ and B0 Lifetimes using Topological Vertexing at SLD" @default.
- W4308604703 doi "https://doi.org/10.48550/arxiv.hep-ex/9907051" @default.
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