consider PV zError

cms-sw · May 5, 2017 · 9d480b8 · 9d480b8
1 parent a2f9532
commit 9d480b8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc b/CommonTools/RecoAlgos/src/PrimaryVertexAssignment.cc
@@ -41,7 +41,8 @@ PrimaryVertexAssignment::chargedHadronVertex( const reco::VertexCollection& vert
       }
    }
   // first use "closest in Z" with tight cuts (targetting primary particles)
-    if(vtxIdMinDz>=0 and (dzmin < maxDzForPrimaryAssignment_ and dzmin/track->dzError() < maxDzSigForPrimaryAssignment_  and track->dzError()<maxDzErrorForPrimaryAssignment_))
+    float dzE=sqrt(track->dzError()*track->dzError()+vertices[vtxIdMinDz].covariance(2,2));
+    if(vtxIdMinDz>=0 and (dzmin < maxDzForPrimaryAssignment_ and dzmin/dzE < maxDzSigForPrimaryAssignment_  and track->dzError()<maxDzErrorForPrimaryAssignment_))
     {
         iVertex=vtxIdMinDz;
     }