cms-sw · cmsbuild · Sep 10, 2020 · Sep 8, 2020 · Sep 9, 2020 · Sep 9, 2020
diff --git a/SimTracker/TrackAssociation/python/trackingParticleRecoTrackAsssociation_cff.py b/SimTracker/TrackAssociation/python/trackingParticleRecoTrackAsssociation_cff.py
@@ -1,7 +1,7 @@
 import FWCore.ParameterSet.Config as cms
 
 from SimTracker.TrackAssociatorProducers.quickTrackAssociatorByHits_cfi import *
-
+from SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi import *
 from SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi import *
 import SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi
 assoc2secStepTk = SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi.trackingParticleRecoTrackAsssociation.clone()

diff --git a/SimTracker/TrackAssociatorProducers/plugins/TrackAssociatorByChi2Impl.cc b/SimTracker/TrackAssociatorProducers/plugins/TrackAssociatorByChi2Impl.cc
@@ -81,7 +81,7 @@ SimToRecoCollection TrackAssociatorByChi2Impl::associateSimToReco(
     const edm::RefToBaseVector<reco::Track>& tC, const edm::RefVector<TrackingParticleCollection>& tPCH) const {
   const reco::BeamSpot& bs = *theBeamSpot;
 
-  SimToRecoCollection outputCollection;
+  SimToRecoCollection outputCollection(productGetter_);
 
   int tpindex = 0;
   for (auto tp = tPCH.begin(); tp != tPCH.end(); tp++, ++tpindex) {

diff --git a/Validation/RecoTrack/interface/MTVHistoProducerAlgoForTracker.h b/Validation/RecoTrack/interface/MTVHistoProducerAlgoForTracker.h
@@ -128,15 +128,17 @@ struct MTVHistoProducerAlgoForTrackerHistograms {
   std::vector<METype> h_assochi2, h_assochi2_prob;
 
   //chi2 and # lost hits vs eta: to be used with doProfileX
-  std::vector<METype> chi2_vs_eta, chi2_vs_pt, nlosthits_vs_eta;
-  std::vector<METype> assoc_chi2_vs_eta, assoc_chi2_vs_pt, assoc_chi2prob_vs_eta, assoc_chi2prob_vs_pt;
+  std::vector<METype> chi2_vs_eta, chi2_vs_pt, chi2_vs_drj, nlosthits_vs_eta;
+  std::vector<METype> assoc_chi2_vs_eta, assoc_chi2_vs_pt, assoc_chi2_vs_drj, assoc_chi2prob_vs_eta,
+      assoc_chi2prob_vs_pt, assoc_chi2prob_vs_drj;
 
   //resolution of track params: to be used with fitslicesytool
   std::vector<METype> dxyres_vs_eta, ptres_vs_eta, dzres_vs_eta, phires_vs_eta, cotThetares_vs_eta;
   std::vector<METype> dxyres_vs_pt, ptres_vs_pt, dzres_vs_pt, phires_vs_pt, cotThetares_vs_pt;
 
   //pulls of track params vs eta: to be used with fitslicesytool
   std::vector<METype> dxypull_vs_eta, ptpull_vs_eta, dzpull_vs_eta, phipull_vs_eta, thetapull_vs_eta;
+  std::vector<METype> dxypull_vs_pt, ptpull_vs_pt, dzpull_vs_pt, phipull_vs_pt, thetapull_vs_pt;
   std::vector<METype> ptpull_vs_phi, phipull_vs_phi, thetapull_vs_phi;
 };
 

diff --git a/Validation/RecoTrack/python/MTVHistoProducerAlgoForTrackerBlock_cfi.py b/Validation/RecoTrack/python/MTVHistoProducerAlgoForTrackerBlock_cfi.py
@@ -82,8 +82,8 @@
     #
     # dR_jet
     mindrj = cms.double(0.001),
-    maxdrj = cms.double(0.1),
-    nintdrj = cms.int32(50),
+    maxdrj = cms.double(0.5),
+    nintdrj = cms.int32(250),
     #
     # chi2/ndof
     minChi2 = cms.double(0),

diff --git a/Validation/RecoTrack/python/PostProcessorTracker_cfi.py b/Validation/RecoTrack/python/PostProcessorTracker_cfi.py
@@ -173,25 +173,30 @@ def _addNoFlow(module):
                              "cotThetares_vs_eta '#sigma(cot(#theta)) vs #eta' cotThetares_vs_eta",
                              "cotThetares_vs_pt '#sigma(cot(#theta)) vs p_{T}' cotThetares_vs_pt",
                              "h_dxypulleta 'd_{xy} Pull vs #eta' dxypull_vs_eta",
+                             "h_dxypullpt 'd_{xy} Pull vs p_{T}' dxypull_vs_pt",
                              "dxyres_vs_eta '#sigma(d_{xy}) vs #eta' dxyres_vs_eta",
                              "dxyres_vs_phi '#sigma(d_{xy}) vs #phi' dxyres_vs_phi",
                              "dxyres_vs_pt '#sigma(d_{xy}) vs p_{T}' dxyres_vs_pt",
                              "h_dzpulleta 'd_{z} Pull vs #eta' dzpull_vs_eta",
+                             "h_dzpullpt 'd_{z} Pull vs p_{T}' dzpull_vs_pt",
                              "dzres_vs_eta '#sigma(d_{z}) vs #eta' dzres_vs_eta",
                              "dzres_vs_phi '#sigma(d_{z}) vs #phi' dzres_vs_phi",
                              "dzres_vs_pt '#sigma(d_{z}) vs p_{T}' dzres_vs_pt",
                              "etares_vs_eta '#sigma(#eta) vs #eta' etares_vs_eta",
                              "h_phipulleta '#phi Pull vs #eta' phipull_vs_eta",
+                             "h_phipullpt '#phi Pull vs p_{T}' phipull_vs_pt",
                              "h_phipullphi '#phi Pull vs #phi' phipull_vs_phi",
                              "phires_vs_eta '#sigma(#phi) vs #eta' phires_vs_eta",
                              "phires_vs_phi '#sigma(#phi) vs #phi' phires_vs_phi",
                              "phires_vs_pt '#sigma(#phi) vs p_{T}' phires_vs_pt",
                              "h_ptpulleta 'p_{T} Pull vs #eta' ptpull_vs_eta",
+                             "h_ptpullpt 'p_{T} Pull vs p_{T}' ptpull_vs_pt",
                              "h_ptpullphi 'p_{T} Pull vs #phi' ptpull_vs_phi",
                              "ptres_vs_eta '#sigma(p_{T}) vs #eta' ptres_vs_eta",
                              "ptres_vs_phi '#sigma(p_{T}) vs #phi' ptres_vs_phi",
                              "ptres_vs_pt '#sigma(p_{T}) vs p_{T}' ptres_vs_pt",
                              "h_thetapulleta '#theta Pull vs #eta' thetapull_vs_eta",
+                             "h_thetapullpt '#theta Pull vs p_{T}' thetapull_vs_pt",
                              "h_thetapullphi '#theta Pull vs #phi' thetapull_vs_phi"
                              ),
     cumulativeDists = cms.untracked.vstring(

diff --git a/Validation/RecoTrack/python/TrackValidation_cff.py b/Validation/RecoTrack/python/TrackValidation_cff.py
@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 import FWCore.ParameterSet.Config as cms
 
-import SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi
+from SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi import *
 from SimTracker.TrackAssociatorProducers.quickTrackAssociatorByHits_cfi import *
 from SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi import *
 import Validation.RecoTrack.MultiTrackValidator_cfi
@@ -353,6 +353,11 @@ def _getMVASelectors(postfix):
     ptMin = 0,
 )
 
+#ByChi2 association (for jetCore usage, not used by default)
+MTVTrackAssociationByChi2 = trackingParticleRecoTrackAsssociation.clone(
+     associator = cms.InputTag('trackAssociatorByChi2')
+)
+
 # Select jets for JetCore tracking
 highPtJets = cms.EDFilter("CandPtrSelector", src = cms.InputTag("ak4CaloJets"), cut = cms.string("pt()>1000"))
 highPtJetsForTrk = highPtJetsForTrk = highPtJets.clone(src = "ak4CaloJetsForTrk")
@@ -364,6 +369,7 @@ def _getMVASelectors(postfix):
 trackValidator = Validation.RecoTrack.MultiTrackValidator_cfi.multiTrackValidator.clone(
     useLogPt = cms.untracked.bool(True),
     dodEdxPlots = True,
+    # associators=cms.untracked.VInputTag('MTVTrackAssociationByChi2'), #uncomment for byChi2 assoc. for jetcore studies (1/5)
     doPVAssociationPlots = True
     #,minpT = cms.double(-1)
     #,maxpT = cms.double(3)
@@ -387,6 +393,7 @@ def _getMVASelectors(postfix):
                    locals()["_generalTracksHp"+_postfix],
                    "generalTracksPt09",
                    "cutsRecoTracksBtvLike",
+                   "cutsRecoTracksJetCoreRegionalStepByOriginalAlgo",
                ]
     )
     _setForEra(trackValidator.histoProducerAlgoBlock, _eraName, _era, seedingLayerSets=locals()["_seedingLayerSets"+_postfix])
@@ -532,6 +539,9 @@ def _getMVASelectors(postfix):
 trackValidatorBuilding = _trackValidatorSeedingBuilding.clone(
     dirName = "Tracking/TrackBuilding/",
     doMVAPlots = True,
+    doResolutionPlotsForLabels = ['jetCoreRegionalStepTracks'],
+    # associators = ["trackAssociatorByChi2"], #uncomment for byChi2 assoc. for jetcore studies (2/5)
+    # UseAssociators = True, #uncomment for byChi2 assoc. for jetcore studies (3/5)
 )
 trackValidatorBuildingPreSplitting = trackValidatorBuilding.clone(
     associators = ["quickTrackAssociatorByHitsPreSplitting"],
@@ -648,6 +658,8 @@ def _uniqueFirstLayers(layerList):
 tracksValidationTruth = cms.Task(
     tpClusterProducer,
     tpClusterProducerPreSplitting,
+    # trackAssociatorByChi2, #uncomment for byChi2 assoc. for jetcore studies (4/5)
+    # MTVTrackAssociationByChi2, #uncomment for byChi2 assoc. for jetcore studies (5/5)
     quickTrackAssociatorByHits,
     quickTrackAssociatorByHitsPreSplitting,
     trackingParticleRecoTrackAsssociation,
@@ -829,6 +841,7 @@ def _uniqueFirstLayers(layerList):
     dirName = "Tracking/TrackSeeding/",
     label = _seedSelectors,
     doSeedPlots = True,
+    doResolutionPlotsForLabels = [ "seedTracksjetCoreRegionalStepSeeds",]
 )
 trackValidatorSeedingPreSplittingTrackingOnly = trackValidatorSeedingTrackingOnly.clone(
     associators = ["quickTrackAssociatorByHitsPreSplitting"],

diff --git a/Validation/RecoTrack/python/associators_cff.py b/Validation/RecoTrack/python/associators_cff.py
@@ -2,6 +2,7 @@
 
 #### TrackAssociation
 import SimTracker.TrackAssociatorProducers.quickTrackAssociatorByHits_cfi
+import SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi
 import SimTracker.TrackAssociatorProducers.trackAssociatorByPosition_cfi
 from SimTracker.TrackerHitAssociation.tpClusterProducer_cfi import tpClusterProducer as _tpClusterProducer
 from SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi import trackingParticleRecoTrackAsssociation as _trackingParticleRecoTrackAsssociation

diff --git a/Validation/RecoTrack/python/plotting/trackingPlots.py b/Validation/RecoTrack/python/plotting/trackingPlots.py
@@ -41,6 +41,7 @@
 _maxPU = [20, 50, 65, 80, 100, 150, 200, 250]
 _minMaxTracks = [0, 200, 500, 1000, 1500, 2000]
 _minMaxMVA = [-1.025, -0.5, 0, 0.5, 1.025]
+_maxDRJ = 0.1
 
 def _minMaxResidual(ma):
     return ([-x for x in ma], ma)
@@ -216,7 +217,7 @@ def _makeMVAPlots(num, hp=False):
 )
 _effandfakeDeltaRPU = PlotGroup("effandfakeDeltaRPU",
                                 _makeEffFakeDupPlots("dr"     , "#DeltaR", effopts=dict(xtitle="TP min #DeltaR"), fakeopts=dict(xtitle="track min #DeltaR"), common=dict(xlog=True)) +
-                                _makeEffFakeDupPlots("drj" , "#DeltaR(track, jet)", effopts=dict(xtitle="#DeltaR(TP, jet)", ytitle="efficiency vs #DeltaR(TP, jet"), fakeopts=dict(xtitle="#DeltaR(track, jet)"), common=dict(xlog=True))+
+                                _makeEffFakeDupPlots("drj" , "#DeltaR(track, jet)", effopts=dict(xtitle="#DeltaR(TP, jet)", ytitle="efficiency vs #DeltaR(TP, jet"), fakeopts=dict(xtitle="#DeltaR(track, jet)"), common=dict(xlog=True, xmax=_maxDRJ))+
                                 _makeEffFakeDupPlots("pu"     , "PU"     , common=dict(xtitle="Pileup", xmin=_minPU, xmax=_maxPU)),
                                 legendDy=_legendDy_4rows
 )
@@ -262,7 +263,7 @@ def _makeMVAPlots(num, hp=False):
 )
 _dupandfakeDeltaRPU = PlotGroup("dupandfakeDeltaRPU",
                                 _makeFakeDupPileupPlots("dr"     , "#DeltaR", xquantity="min #DeltaR", common=dict(xlog=True)) +
-                                _makeFakeDupPileupPlots("drj"     , "#DeltaR(track, jet)", xtitle="#DeltaR(track, jet)", common=dict(xlog=True)) +
+                                _makeFakeDupPileupPlots("drj"     , "#DeltaR(track, jet)", xtitle="#DeltaR(track, jet)", common=dict(xlog=True, xmax=_maxDRJ)) +
                                 _makeFakeDupPileupPlots("pu"     , "PU"     , xtitle="Pileup", common=dict(xmin=_minPU, xmax=_maxPU)),
                                 ncols=3
 )
@@ -373,6 +374,7 @@ def _makeMVAPlots(num, hp=False):
          fallback={"name": "chi2_vs_eta", "profileX": True}),
     Plot("ptres_vs_eta_Mean", scale=100, title="", xtitle="TP #eta (PCA to beamline)", ytitle="< #delta p_{T} / p_{T} > (%)", ymin=_minResidualPt, ymax=_maxResidualPt),
     Plot("chi2mean_vs_pt", title="", xtitle="p_{T}", ytitle="< #chi^{2} / ndf >", ymin=[0, 0.5], ymax=[2, 2.5, 3, 5], xlog=True, fallback={"name": "chi2_vs_pt", "profileX": True}),
+    Plot("chi2mean_vs_drj", title="", xtitle="#DeltaR(track, jet)", ytitle="< #chi^{2} / ndf >", ymin=[0, 0.5], ymax=[2, 2.5, 3, 5], xlog=True, xmax=_maxDRJ, fallback={"name": "chi2_vs_drj", "profileX": True}),
     Plot("ptres_vs_pt_Mean", title="", xtitle="p_{T}", ytitle="< #delta p_{T}/p_{T} > (%)", scale=100, ymin=_minResidualPt, ymax=_maxResidualPt,xlog=True)
 ])
 _common = {"stat": True, "fit": True, "normalizeToUnitArea": True, "drawStyle": "hist", "drawCommand": "", "xmin": -10, "xmax": 10, "ylog": True, "ymin": 5e-5, "ymax": [0.01, 0.05, 0.1, 0.2, 0.5, 0.8, 1.025], "ratioUncertainty": False}
@@ -441,7 +443,7 @@ def _makeMVAPlots(num, hp=False):
 )
 _extDistDeltaR = PlotGroup("distDeltaR",
                               _makeDistPlots("dr"     , "min #DeltaR", common=dict(xlog=True)) +
-                              _makeDistPlots("drj"     , "#DeltaR(track, jet)", common=dict(xlog=True)),
+                              _makeDistPlots("drj"     , "#DeltaR(track, jet)", common=dict(xlog=True, xmax=_maxDRJ)),
                               ncols=2, legendDy=_legendDy_2rows,
 )
 _extDistSeedingPlots = _makeDistPlots("seedingLayerSet", "seeding layers", common=dict(xtitle="", **_seedingLayerSet_common))
@@ -512,7 +514,7 @@ def _makeMVAPlots(num, hp=False):
 )
 _extDistSimDeltaR = PlotGroup("distsimDeltaR",
                                  _makeDistSimPlots("dr"     , "min #DeltaR", common=dict(xlog=True)) +
-                                 _makeDistSimPlots("drj" , "#DeltaR(TP, jet)", common=dict(xlog=True)),
+                                 _makeDistSimPlots("drj" , "#DeltaR(TP, jet)", common=dict(xlog=True, xmax=_maxDRJ)),
                                  ncols=2, legendDy=_legendDy_2rows,
 )
 

diff --git a/Validation/RecoTrack/src/MTVHistoProducerAlgoForTracker.cc b/Validation/RecoTrack/src/MTVHistoProducerAlgoForTracker.cc
@@ -1099,6 +1099,8 @@ void MTVHistoProducerAlgoForTracker::bookRecoHistos(DQMStore::IBooker& ibook,
       ibook.bookProfile("chi2mean_vs_phi", "mean #chi^{2} vs #phi", nintPhi, minPhi, maxPhi, 200, 0, 20, " "));
   histograms.chi2_vs_pt.push_back(
       makeProfileIfLogX(ibook, useLogPt, "chi2mean_vs_pt", "mean #chi^{2} vs p_{T}", nintPt, minPt, maxPt, 0, 20));
+  histograms.chi2_vs_drj.push_back(makeProfileIfLogX(
+      ibook, true, "chi2mean_vs_drj", "mean #chi^{2} vs dR(track,jet)", nintdrj, log10(mindrj), log10(maxdrj), 0, 20));
 
   histograms.assoc_chi2_vs_eta.push_back(
       ibook.bookProfile("assoc_chi2mean", "mean #chi^{2} vs #eta", nintEta, minEta, maxEta, 200, 0., 20., " "));
@@ -1107,7 +1109,25 @@ void MTVHistoProducerAlgoForTracker::bookRecoHistos(DQMStore::IBooker& ibook,
   histograms.assoc_chi2_vs_pt.push_back(makeProfileIfLogX(
       ibook, useLogPt, "assoc_chi2mean_vs_pt", "mean #chi^{2} vs p_{T}", nintPt, minPt, maxPt, 0., 20.));
   histograms.assoc_chi2prob_vs_pt.push_back(makeProfileIfLogX(
-      ibook, useLogPt, "assoc_chi2prob_vs_pt", "mean #chi^{2} probability vs p_{T}", nintPt, minPt, maxPt, 0., 20.));
+      ibook, useLogPt, "assoc_chi2prob_vs_pt", "mean #chi^{2} probability vs p_{T}", nintPt, minPt, maxPt, 0., 1.));
+  histograms.assoc_chi2_vs_drj.push_back(makeProfileIfLogX(ibook,
+                                                           true,
+                                                           "assoc_chi2mean_vs_drj",
+                                                           "mean #chi^{2} vs dR(track,jet)",
+                                                           nintdrj,
+                                                           log10(mindrj),
+                                                           log10(maxdrj),
+                                                           0.,
+                                                           20));
+  histograms.assoc_chi2prob_vs_drj.push_back(makeProfileIfLogX(ibook,
+                                                               true,
+                                                               "assoc_chi2prob_vs_drj",
+                                                               "mean #chi^{2} probability vs dR(track,jet)",
+                                                               nintdrj,
+                                                               log10(mindrj),
+                                                               log10(maxdrj),
+                                                               0.,
+                                                               1.));
 
   histograms.nhits_vs_eta.push_back(
       ibook.bookProfile("hits_eta", "mean hits vs eta", nintEta, minEta, maxEta, nintHit, minHit, maxHit, " "));
@@ -1387,6 +1407,16 @@ void MTVHistoProducerAlgoForTracker::bookRecoHistos(DQMStore::IBooker& ibook,
       histograms.phipull_vs_eta, false, "phipull_vs_eta", "phipull_vs_eta", nintEta, minEta, maxEta, 100, -10, 10);
   bookResolutionPlots2D(
       histograms.thetapull_vs_eta, false, "thetapull_vs_eta", "thetapull_vs_eta", nintEta, minEta, maxEta, 100, -10, 10);
+  bookResolutionPlots2D(
+      histograms.dxypull_vs_pt, useLogPt, "dxypull_vs_pt", "dxypull_vs_pt", nintPt, minPt, maxPt, 100, -10, 10);
+  bookResolutionPlots2D(
+      histograms.ptpull_vs_pt, useLogPt, "ptpull_vs_pt", "ptpull_vs_pt", nintPt, minPt, maxPt, 100, -10, 10);
+  bookResolutionPlots2D(
+      histograms.dzpull_vs_pt, useLogPt, "dzpull_vs_pt", "dzpull_vs_pt", nintPt, minPt, maxPt, 100, -10, 10);
+  bookResolutionPlots2D(
+      histograms.phipull_vs_pt, useLogPt, "phipull_vs_pt", "phipull_vs_pt", nintPt, minPt, maxPt, 100, -10, 10);
+  bookResolutionPlots2D(
+      histograms.thetapull_vs_pt, useLogPt, "thetapull_vs_pt", "thetapull_vs_pt", nintPt, minPt, maxPt, 100, -10, 10);
 
   //      histograms.h_ptshiftetamean.push_back( ibook.book1D("h_ptshifteta_Mean","<#deltapT/pT>[%] vs #eta",nintEta,minEta,maxEta) );
 
@@ -2026,6 +2056,8 @@ void MTVHistoProducerAlgoForTracker::fill_generic_recoTrack_histos(const Histogr
     histograms.h_recozpos[count]->Fill(vertz);
     histograms.h_recodr[count]->Fill(dR);
     histograms.h_recodrj[count]->Fill(dRJet);
+    if (dRJet <= 99999)  //dRJet can be set to numeric_limits max^2, this is a protection
+      histograms.chi2_vs_drj[count]->Fill(dRJet, chi2);
     if (fillSeedingLayerSets)
       histograms.h_reco_seedingLayerSet[count]->Fill(seedingLayerSetBin);
     if (pvPosition) {
@@ -2089,6 +2121,10 @@ void MTVHistoProducerAlgoForTracker::fill_generic_recoTrack_histos(const Histogr
       histograms.assoc_chi2prob_vs_eta[count]->Fill(eta, chi2prob);
       histograms.assoc_chi2_vs_pt[count]->Fill(pt, chi2);
       histograms.assoc_chi2prob_vs_pt[count]->Fill(pt, chi2prob);
+      if (dRJet <= 99999) {  //dRJet can be set to numeric_limits max^2, this is a protection
+        histograms.assoc_chi2_vs_drj[count]->Fill(dRJet, chi2);
+        histograms.assoc_chi2prob_vs_drj[count]->Fill(dRJet, chi2prob);
+      }
       histograms.h_assoc2vertpos[count]->Fill(vertxy);
       histograms.h_assoc2zpos[count]->Fill(vertz);
       histograms.h_assoc2dr[count]->Fill(dR);
@@ -2481,6 +2517,13 @@ void MTVHistoProducerAlgoForTracker::fill_ResoAndPull_recoTrack_histos(const His
   histograms.phipull_vs_eta[count]->Fill(etaSim, phiPull);
   histograms.thetapull_vs_eta[count]->Fill(etaSim, thetaPull);
 
+  //pulls of track params vs pt: fill 2D histos
+  histograms.dxypull_vs_pt[count]->Fill(ptSim, dxyPull);
+  histograms.ptpull_vs_pt[count]->Fill(ptSim, ptres / ptError);
+  histograms.dzpull_vs_pt[count]->Fill(ptSim, dzPull);
+  histograms.phipull_vs_pt[count]->Fill(ptSim, phiPull);
+  histograms.thetapull_vs_pt[count]->Fill(ptSim, thetaPull);
+
   //plots vs phi
   histograms.nhits_vs_phi[count]->Fill(phiRec, track.numberOfValidHits());
   histograms.chi2_vs_phi[count]->Fill(phiRec, track.normalizedChi2());

diff --git a/Validation/RecoTrack/test/MultiTrackValidator_cfg.py b/Validation/RecoTrack/test/MultiTrackValidator_cfg.py
@@ -96,6 +96,7 @@
 ### validation-specific includes
 #process.load("SimTracker.TrackAssociatorProducers.trackAssociatorByHits_cfi")
 process.load("SimTracker.TrackAssociatorProducers.quickTrackAssociatorByHits_cfi")
+process.load("SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi")
 process.load("SimTracker.TrackAssociation.trackingParticleRecoTrackAsssociation_cfi")
 process.load("Validation.RecoTrack.cuts_cff")
 process.load("Validation.RecoTrack.MultiTrackValidator_cff")