Measurement of the Ratio of B+ and B0 Meson Lifetimes

Details Measurement of the Ratio of B+ and B0 Meson Lifetimes Measurement of the Ratio of B+ and B0 Meson Lifetimes

2004-10-19

arxiv.org/abs/hep-ex/0410052v1

Phys.Rev.Lett.94:182001,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 2 figures, LaTeX, to be submitted to Physical Review Letters

Scientific paper

10.1103/PhysRevLett.94.182001

The ratio of B+ and B0 meson lifetimes was measured using data collected in 2002-2004 by the D0 experiment in Run II of the Fermilab Tevatron Collider. These mesons were reconstructed in B -> mu+ nu D*- X decays, which are dominated by B0, and B ->mu+ nu D0bar X decays, which are dominated by B+. The ratio of lifetimes is measured to be t+/t0 = 1.080 +- 0.016(stat) +- 0.014(syst).

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