A Precise measurement of the B(d)0 meson lifetime using a new technique

Abreu, P.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(1997) Zeitschrift für Physik. C, Particles and fields — Vol. 74, n° 1, p. 19-32 (1997)

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Abstract
From data recorded by DELPHI between 1991 and 1994, which corresponds to 3.2 million hadronic Z0 decays, a measurement of the B0 d meson lifetime, based on the inclusive reconstruction of 3520 150 semileptonic decays of the type B0 d ! D+ X ` `; has been performed. The result is: ( B0 d) = 1:532 0:041(stat:) 0:040(syst:)ps. The contribution to the systematic uncertainty which depends on external errors is 0:015.
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Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1997). A Precise measurement of the B(d)0 meson lifetime using a new technique. Zeitschrift für Physik. C, Particles and fields, 74(1), 19-32. https://doi.org/10.1007/s002880050367 (Original work published 1997)