Speaker
Elisa Pueschel
Description
The CDF experiment at the Tevatron collider presents improved bounds on the CP-violating phase beta_s and on the decay-width difference DeltaGamma_s of the neutral B_s^0 meson system.
We use 6500 B_s^0 --> J/psi Phi decays collected by the dimuon trigger and reconstructed in a sample corresponding to 5.2 fb^{-1} of data.
Besides exploiting a two-fold increase in statistics with respect to the previous measurement, several improvements have been introduced in the analysis including
a fully data-driven flavor-tagging calibration and proper treatment of possible S-wave contributions.
Primary author
Elisa Pueschel
