This webpage summarizes the blessed result updating the flavor-tagged determination of
CP violation in B_{s} &rarr J/&psi &phi decays corresponding
to 2.8 fb^{-1} data.
This result is described in this
public note

See also the previous result at
First Flavor-Tagged Determination of Bounds on CP Violation in B_{s} &rarr J/&psi &phi Decays
published at PRL 100, 161802 (2008)

We present 68% and 95% confidence regions
in the &beta_{s}-&Delta&Gamma plane:

and the transversity amplitudes

Below are all figures meant for download.

- (eps), (png): B+ invariant mass distribution.
- (eps), (png): Bs invariant mass distribution.
- (eps), (png): B+/- neural network training.
- (eps),
(png): B
_{s}neural network training. - (eps), (png): Opposite side tag measured vs. predicted dilution in B+ decays (1st half of data).
- (eps), (png): Opposite side tag measured vs. predicted dilution in B+ decays (2nd half of data).
- (eps), (png): Opposite side tag measured vs. predicted dilution in B- decays (1st half of data).
- (eps), (png): Opposite side tag measured vs. predicted dilution in B- decays (2nd half of data).
- (eps), (png): Opposite side tag measured vs. predicted dilution in an admixture of B+/- decays (1st half of data).
- (eps), (png): Opposite side tag measured vs. predicted dilution in an admixture of B+/- decays (2nd half of data).
- (eps), (png): Bs lifetime projection
- (eps), (png): Phi angular distribution.
- (eps), (png): cos(Theta) angular distribution.
- (eps), (png): cos(Phi) angular distribution.
- (eps), (png): 2D likelihood profile
- (eps), (png): 2D likelihood profile comparison with published result
- (eps), (png): 1D likelihood profile
- (eps), (png): Sensitivity projections
- (gif): Projected tagging improvement.
- (gif): Projected tagging cross check.