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Measurement of Bs0→Ds(*)+Ds(*)- branching ratios
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Kreps, Michal (2012) Measurement of Bs0→Ds(*)+Ds(*)- branching ratios. Physical Review Letters, Volume 108 (Number 20). Article number 201801 . doi:10.1103/PhysRevLett.108.201801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.108.201801
Abstract
The decays Bs0→Ds(*)+Ds(*)- are reconstructed in a data sample corresponding to an integrated luminosity of 6.8 fb-1 collected by the CDF II detector at the Tevatron pp̅ collider. All decay modes are observed with a significance of more than 10σ, and we measure the Bs0 production rate times Bs0→Ds(*)+Ds(*)- branching ratios relative to the normalization mode B0→Ds+D-to be 0.183±0.021±0.017 for Bs0→Ds+Ds-, 0.424±0.046±0.035 for Bs0→Ds*±Ds∓, 0.654±0.072±0.065 for Bs0→Ds*+Ds*-, and 1.261±0.095±0.112 for the inclusive decay Bs0→Ds(*)+Ds(*)-, where the uncertainties are statistical and systematic. These results are the most precise single measurements to date and provide important constraints for indirect searches for nonstandard model physics in Bs0 mixing.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review Letters | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 2012 | ||||
Dates: |
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Volume: | Volume 108 | ||||
Number: | Number 20 | ||||
Page Range: | Article number 201801 | ||||
DOI: | 10.1103/PhysRevLett.108.201801 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Description: | T. Aaltonen et al. (CDF Collaboration) |
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