// pt->PropagateTo(fParam->GetInnerRadiusLow());
if (pt->GetKinkIndex(0)<=0){ //don't propagate daughter tracks
pt->PropagateTo(fParam->GetInnerRadiusLow());
// pt->PropagateTo(fParam->GetInnerRadiusLow());
if (pt->GetKinkIndex(0)<=0){ //don't propagate daughter tracks
pt->PropagateTo(fParam->GetInnerRadiusLow());