English

Bs Decays at the Tevatron

High Energy Physics - Experiment 2010-10-21 v1

Abstract

We present measurements of the branching ratio and of the polarization amplitudes in charmless Bs to Phi Phi decays using data corresponding to 2.9/fb of integrated luminosity, collected by the CDF experiment at the Tevatron. The branching ratio in Bs to Phi Phi decays is measured relative to the normalization mode Bs to J/Psi Phi$ to be B(Bs to Phi Phi)/B(Bs to J/Psi Phi) = [1.78 +/- 0.14 (stat) +/- 0.20 (syst)] x 10^{-2}. Using the experimental value of B(Bs to J/Psi Phi) we determine the Bs to Phi Phi branching ratio B(Bs to Phi Phi) = 2.40 +/- 0.21(stat) +/- 0.27(syst) +/- 0.82 (BR)] x 10^{-5}. The polarization fractions are measured for the first time in this analysis and found to be: |A_0|^2 = 0.348 +/- 0.041 (stat) +/- 0.021 (syst) |A_parallel|^2 = 0.287 +/- 0.043 (stat) +/- 0.011 (syst) |A_perp|^2 = 0.365 +/- 0.044 (stat) +/- 0.027 (syst).

Keywords

Cite

@article{arxiv.1010.4082,
  title  = {Bs Decays at the Tevatron},
  author = {Gavril Giurgiu},
  journal= {arXiv preprint arXiv:1010.4082},
  year   = {2010}
}

Comments

Presented at Flavor Physics and CP Violation - FPCP 2010, May 25-29, 2010, Turin, Italy

R2 v1 2026-06-21T16:31:14.220Z