Publicação: Measurement of the ratio of B+ and B-0 meson lifetimes
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2005-05-13
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American Physical Soc
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The ratio of the B+ and B-0 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→μ(+)ν D*-X decays, which are dominated by B-0 and B→μ(+)ν(D) over bar X-0 decays, which are dominated by B+. The ratio of lifetimes is measured to be τ(+)/τ(0)=1.080± 0.016(stat)± 0.014(syst).
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Physical Review Letters. College Pk: American Physical Soc, v. 94, n. 18, 7 p., 2005.
