Study of the decay Bs0→Ds(*) Ds(*)

Abazov, V. M. ; Mondal, N. K. ; et., al (2007) Study of the decay Bs0→Ds(*) Ds(*) Physical Review Letters, 99 (24). 241801_1-241801_7. ISSN 0031-9007

Full text not available from this repository.

Official URL:

Related URL:


We report a study of the decay Bs0→Ds(*) Ds(*)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 Ds(*) meson was partially reconstructed in the decay Ds→ø μ ν, and the other Ds(*) meson was identified using the decay Ds→ ø π where no attempt was made to distinguish Ds and Ds* states. For the branching fraction Br(Bs0→Ds(*)Ds(*)) we obtain a 90% C.L. range [0.002,0.080] and central value 0.039-0.017+0.019(stat)-0.015+0.016(syst). This was subsequently used to make the most precise estimate of the width difference Δ ΓsCP in the Bs0-B‾s 0 system: ΔΓsCPs=0.079 -0.035+0.038(stat)-0.030+0.031(syst).

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:66891
Deposited On:28 Oct 2011 03:52
Last Modified:28 Oct 2011 03:52

Repository Staff Only: item control page