Abazov, V. M. ; Mondal, N. K. ; et., al (2009) Evidence for the decay Bs0→Ds(*) Ds(*) and a measurement of Δ ΓsCP /Γs Physical Review Letters, 102 (9). 091801_1-091801_7. ISSN 0031-9007
Full text not available from this repository.
Official URL: http://prl.aps.org/abstract/PRL/v102/i9/e091801
Related URL: http://dx.doi.org/10.1103/PhysRevLett.102.091801
Abstract
We search for the semi-inclusive process Bs0→Ds(*) Ds(*) using 2.8 fb-1 of pp‾ collisions at √s=1.96 TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We observe 26.6± 8.4 signal events with a significance above background of 3.2 standard deviations yielding a branching ratio of B(Bs0→Ds(*)Ds (*)=0.035 ± 0.010(stat.)± 0.011(syst.). Under certain theoretical assumptions, these double-charm final states saturate CP-even eigenstates in the Bs0 decays resulting in a width difference of ΔΓsCP/Γs=0.072±0.021 (stat.)±0.022(syst.).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 66892 |
| Deposited On: | 27 Oct 2011 11:35 |
| Last Modified: | 27 Oct 2011 11:35 |
Repository Staff Only: item control page
