Measurement of the B0 Lifetime and Oscillation Frequency using B0->D*+l-v decays

Details Measurement of the B0 Lifetime and Oscillation Frequency using B0->D*+l-v decays Measurement of the B0 Lifetime and Oscillation Frequency using B0->D*+l-v decays

2000-10-06

arxiv.org/abs/hep-ex/0010013v1

Phys.Lett.B493:266-280,2000

Physics

High Energy Physics

High Energy Physics - Experiment

17 pages, 4 figures, submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(00)01145-X

The lifetime and oscillation frequency of the B0 meson has been measured using B0->D*+l-v decays recorded on the Z0 peak with the OPAL detector at LEP. The D*+ -> D0pi+ decays were reconstructed using an inclusive technique and the production flavour of the B0 mesons was determined using a combination of tags from the rest of the event. The results t_B0 = 1.541 +- 0.028 +- 0.023 ps, Dm_d = 0.497 +- 0.024 +- 0.025 ps-1 were obtained, where in each case the first error is statistical and the second systematic.

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