124950 tracks from runs 102831,102833,102834,102835,102836,102837,102838
of the commissioning run; layers 0,1,2,4 of wedge 2 of SVX

Histograms for 4-points analysis (x0,x1,x2,x4):
8012 4-point constraint (kernel)
825  phi-phi(COT) all tracks
826  phi-phi(COT) good tracks (cut 1)
8222 curv-curv(COT) cut 1
8223 curv-curv(COT) cuts 1&2
8094 dsub (4-points) cuts 1&2&3, with gaussian fit

Histograms for 6-points analysis (x0,x1,x2,x4,curvCOT,phiCOT):
101 eigenvalues of the covariance matrix
900 Chi^2
701,702,703 constraints (kernel)
1001,1002,1003,1004,1005,1006 residuals (= measured point-interpolated
                              point)
806  d vs phi all tracks
8072 d vs phi good tracks (cuts on contraints 1,2,3)
8071 d vs phi fake tracks (outside cut bound.)
808  dsub all tracks
8095 dsub good tracks, with gaussian fit (compare with 8094 for the
     4-points analysis)
8073 dsub fake tracks
813  dsub vs phi all tracks
8131 dsub vs phi good tracks
814  dsub vs z0 good tracks
815  dsubz all tracks
816  dsubz good tracks, with gaussian fit
817  dsubz good tracks, PT>2GeV, with gaussian fit

4-points analysis cuts:
cut 1: constraint: +-80 (microns)
cut 2: phi-phi(COT): +-0.05 (rads)
cut 3: curv-curv(COT): +-0.0015 (cm^-1)

6-points analysis cuts:
constraint 1: -30,+20
constraint 2: -120,+50
constraint 3:-200,+80

Beam position fit:
in x-y:  dsub = d+0.085629*sin(phi)+0.35976*cos(phi)
in z:    dsubz=dsub-0.002992-0.0003437*z0

Constants for 6-points analysis:
  
 Constraint 1:
 -266.904 210.6563 432.6175 -375.353 9945.09 807.1628
 -711.921
 Constraint 2:
 4584.043 -1640.11 -5087.32 2142.058 -89.4701 6768.996
 -5828.3
 Constraint 3:
 3645.78 -7680.98 5144.448 -1110.36 3.95871 -112.248
 -171.715
 Parameter 1 (d):
 .9665696 .4549604 -8.09645E-02 -.353494 13.44583 -.650232
 .6486904
 Parameter 2 (phi):
 -7.53714E-02 -7.62633E-03 5.18683E-02 3.12556E-02 -2.68566 .5575416
 .805581
 Parameter 3 (curv):
 3.50625E-03 -2.80424E-03 -5.68488E-03 4.96851E-03 .8675929
 -1.08260E-02
 9.54562E-03