Add new atribute to store match score and chi2

Author: asanchezcastillo

sbnobj/Common/Reco/TPCPMTBarycenterMatch.h

@@ -47,6 +47,9 @@ namespace sbn {
   float        deltaY             { fDefault };                     ///< | Matched flash Y center - charge Y center | (cm)
   float        deltaZ             { fDefault };                     ///< | Matched flash Z center - charge Z center | (cm)
   float        radius             { fDefault };                     ///< Hypotenuse of DeltaY and DeltaZ (cm)
+  float        angle              { fDefault };                     ///< | Angle between charge PCA and light PCA | (us)
+  float        chi2               { fDefault };                     ///< | Chi2 to be minimised when matching flash to slice | (dimensionless)
+  float        score               { fDefault };                     ///< | Score to be maximised when matching flash to slice | (dimensionless)
   float        deltaT             { fDefault };                     ///< | Matched flash time - anab::T0 | when available (us)
   float        overlapY           { fDefault };                     ///< Spatial overlap of flash and charge centroids in Y [>0] OR distance apart if no overlap [<0] (cm)
   float        overlapZ           { fDefault };                     ///< Spatial overlap of flash and charge centroids in Z [>0] OR distance apart if no overlap [<0] (cm)