Study of the Decay B D D

Collaboration, D0 and Abazov, V. and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Love, Peter and Ratoff, Peter and Sopczak, Andre and Walder, James (2007) Study of the Decay B D D. Physical review letters, 99 (24). p. 241801. ISSN 1079-7114

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We report a study of the decay BDD using a data sample corresponding to 1.3 fb-1 of integrated luminosity collected by the D0 experiment in 2002–2006 during run II of the Fermilab Tevatron collider. One D meson was partially reconstructed in the decay Dsµ, and the other D meson was identified using the decay Ds where no attempt was made to distinguish Ds and D states. For the branching fraction Br(BDD) we obtain a 90% C.L. range [0.002,0.080] and central value 0.039(stat)(syst). This was subsequently used to make the most precise estimate of the width difference in the B- system: /s=0.079(stat)(syst).

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Journal Article
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Physical review letters
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© 2007 The American Physical Society Submitted to Phys. Rev. Lett
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12 Aug 2008 14:32
Last Modified:
09 Dec 2022 09:15