Updated precision measurement of the average lifetime of B hadrons

Abreu, P.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(1996) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. 377, n° 1-3, p. 195-204 (1996)

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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 τB = 1.582 ± 0.011 (stat.) ± 0.027 (syst.) ps. Combining this result with the previous result based on charged particle impact parameter distributions yields τB = 1.575 ± 0.010 (stat.) ± 0.026 (syst.) ps.
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Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1996). Updated precision measurement of the average lifetime of B hadrons. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 377(1-3), 195-204. https://doi.org/10.1016/0370-2693(96)00452-2 (Original work published 1996)