md : lepton - Qjet
- Lepton on vertex side tags decay flavour
- Qjet (other jet) tags production flavour
- (Qjet) depends on Physics:
B+ fraction, B decays, , D+/0 production ...
* ALEPH, DELPHI : fit the data ( = Amplitude)
stat up by ~ 30 %
* OPAL: fine MC tuning
syst ~ 0.009
- Results ( ps-1 ) (~ 70 Kevts/exp.)
ALEPH(P) = 0.404 0.045 0.027
DELPHI(P) = 0.493 0.042 0.027
L3(P) = 0.471 0.077 0.016
OPAL(P) = 0.444 0.029 0.0200.017
CDF(P) = 0.467 0.057 0.035