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Measurement of Bs0->Ds*+ Ds*- Branching Ratios

Aaltonen T.
•
Alvarez González B.
•
Amerio S.
altro
Zucchelli S.
2012
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
The decays B0s->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 pp collider. All decay modes are observed with a significance of more than 10, and we measure the B0s production rate times B0s->Ds*+Ds*- branching ratios relative to the normalization mode B0->Ds+Ds- to be 0.183+-0.021 +-0.017 for B0s->Ds+Ds-, 0.424 +-0.046+-0.035 for B0s->Ds*+-Ds-+, 0.654+- 0.072+-0.065 for B0s->Ds*+Ds*-, and 1.261+-0.095+-0.112 for the inclusive decay B0s->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 B0s mixing.
DOI
10.1103/PhysRevLett.108.201801
WOS
WOS:000304063700002
Archivio
http://hdl.handle.net/11390/871487
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84861634745
http://link.aps.org/doi/10.1103/PhysRevLett.108.201801
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closed access
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Data di acquisizione
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Data di acquisizione
Mar 1, 2024
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Data di acquisizione
Apr 19, 2024
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