/\b Lifetime in /\b → J/&psi /\0

This web page summarizes the results for the measurement of the /\b Lifetime in /\b → J/&psi /\, based upon 1.0 fb-1 of data.
These preliminary results supersede the previous measurements using 65 pb-1 and 370 pb-1
We include results in our control sample B0→ J/&psi K0s.

We measure

Using our measurement of the /\b lifetime and the PDG 2004 world average B0 lifetime, we obtain

A more detailed summary of the results can be found here: ps.

Below are the eps and gif versions of all figures meant for downloads.