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Measurement of Bs0?Ds()+Ds()-branching ratios

Abstract: The decays B0s ! DðÞþs DðÞs are reconstructed in a data sample corresponding to an integrated luminosity of 6:8 fb1 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 B0 s production rate times B0 s ! DðÞþ s DðÞ s branching ratios relative to the normalization mode B0 ! Dþ s Dto be 0:183 0:021 0:017 for B0 s ! Dþ s D s , 0:424 0:046 0:035 for B0 s ! D s D s , 0:654 0:072 0:065 for B0 s ! Dþ s D s , and 1:261 0:095 0:112 for the inclusive decay B0 s ! DðÞþ s DðÞ s , 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 B0 s mixing.

Other publications of the same journal or congress with authors from the University of Cantabria

Authorship: Aaltonen T., Alvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Bae T., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bedeschi F., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Bisello D., Bizjak I., Bland K.R., Bl

Fuente: Physical Review Letters, 2012, 108(20), 201801

Publisher: American Physical Society

Publication date: 01/05/2012

No. of pages: 7

Publication type: Article

DOI: 10.1103/PhysRevLett.108.201801

ISSN: 0031-9007,1079-7114

Publication Url: https://doi.org/10.1103/PhysRevLett.108.201801

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