!
! Combine all Ac measurements (winter-01)
! Lepton: 
!       93-95: Muon+Electron PRL 
!       96-98: Muon only from Giulia's thesis 
! D*,D  93-98: PRD publication  exclusive D*+,D and inclusive D*.
! K+Vtx 96-98: Revised 96-98 R17 analysis
!
! No statistical correlation is assumed between any analyses
! except the exclusive D*,D & soft-pi* overlaps are removed to combine 
! into one "D*,D" number. 
!       
 Nmeas, Nuncorr    3    3   Average  Lepton   D*,D+   K+Vtx 
 Measurement values         0.6709   0.5907  0.6882  0.6739
 Statistical correlation Matrix
  1.0000 0.0000 0.0000
  0.0000 1.0000 0.0000
  0.0000 0.0000 1.0000
 Data Statistics            0.0209   0.0552  0.0349  0.0289
 MC statistics              0.0024   0.0000  0.0000  0.0051
 ML weights                 0.0018   0.0165  0.0000  0.0000
 Tracking inefficiency      0.0020   0.0027  0.0000  0.0037
 Tracking resolution        0.0034   0.0000  0.0000  0.0073
 Jet axis smearing          0.0009   0.0087  0.0000  0.0000
 mu background level        0.0015   0.0135  0.0000  0.0000
 e  background level        0.0002   0.0019  0.0000  0.0000
 mu background asymmetry    0.0009   0.0086  0.0000  0.0000
 e  background asymmetry    0.0007   0.0067  0.0000  0.0000
 Kaon mis ID                0.0006   0.0000  0.0000  0.0013
 D*,D bckgr rate /asym      0.0073   0.0000  0.0173  0.0000
 b-tag purity               0.0048   0.0360  0.0000  0.0020
 b-tag L/D                  0.0003   0.0032  0.0000  0.0000
 K+Vtx internal             0.0104   0.0000  0.0000  0.0221
 BR(b->l)                   0.0005   0.0046  0.0000  0.0000
 BR(b->c->l)                0.0006   0.0054  0.0000  0.0000
 BR(b->cbar->l-)            0.0016   0.0152  0.0000  0.0000
 BR(b->tau->l)              0.0004   0.0034  0.0000  0.0000
 BR(b->J/psi->l+l-)         0.0001   0.0006  0.0000  0.0000
 BR(c->l)                   0.0014   0.0129  0.0000  0.0000
 B mixing                   0.0045   0.0026  0.0101  0.0000
 B-> D** l nu frac          0.0005   0.0045  0.0000  0.0000
 D->l spectrum              0.0005   0.0042  0.0000  0.0000
 Bs fraction                0.0005   0.0043  0.0000  0.0000
 Lambda b fraction          0.0003   0.0026  0.0000  0.0000
 D->K production            0.0017   0.0000  0.0000  0.0036
 b frag xEb                 0.0005   0.0024  0.0004  0.0001
 c frag xEc                 0.0017   0.0127  0.0005  0.0002
 b frag shape               0.0002   0.0015  0.0000  0.0000
 c frag shape               0.0012   0.0000  0.0028  0.0000
 g->cc                      0.0011   0.0017  0.0003  0.0017
 g->bb                      0.0001   0.0004  0.0000  0.0001
 Polarization               0.0035   0.0038  0.0034  0.0035
 QCD corrections            0.0025   0.0050  0.0028  0.0016
 BR(Z->b bbar)              0.0004   0.0006  0.0000  0.0007
 BR(Z->c cbar)              0.0016   0.0092  0.0000  0.0012
 Ab variation              -0.0005   0.0080 -0.0025 -0.0006
 ** Total error             0.0266   0.0768  0.0407  0.0381
 ** Systematic error sum    0.0165   0.0534  0.0209  0.0249
 Weight fraction            1.0000   0.1077  0.4200  0.4723

 Combined result =  0.6709+- 0.0209+- 0.0165
