Measurement of the ratio of B+ and B-0 meson lifetimes
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Data
2005-05-13
Autores
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Agelou, M.
Agram, J. L.
Ahn, S. H.
Ahsan, M.
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American Physical Soc
Resumo
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.