MuonParamElossPlots.cxx

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#include "MuonHistUtils/MuonParamElossPlots.h"
#include "xAODTracking/TrackingPrimitives.h"
#include "AthContainers/ConstAccessor.h"
 
namespace Muon{
 
MuonParamElossPlots::MuonParamElossPlots(PlotBase *pParent, const std::string& sDir):PlotBase(pParent, sDir) {}
 
void MuonParamElossPlots::initializePlots()
{
  msInnerMatchChi2 = Book1D("msInnerMatchChi2","inner match #chi^{2};inner match #chi^{2};;Entries",100,0.,100.);
  msOuterMatchChi2 = Book1D("msOuterMatchChi2","outer match #chi^{2};outer match #chi^{2};;Entries",100,0.,100.);
    
  ELoss = Book1D("ELoss","ELoss;ELoss [GeV];Entries",50,0,10);
  ELossDiffTruth = Book1D("ELossDiffTruth","Difference ELoss to truth ELoss);#Delta(fitted - truth) [GeV];Entries",100,-10.,10.);
  ELossDiffTruthEta0_1p35 = Book1D("ELossDiffTruthEta0_1p35","Difference ELoss to truth ELoss for 0<|#eta|<1.35;#Delta(fitted - truth) [GeV];Entries",100,-10.,10.);
  ELossDiffTruthEta1p35_1p55 = Book1D("ELossDiffTruthEta1p35_1p55","Difference ELoss to truth ELoss for 1.35<|#eta|<1.55;#Delta(fitted - truth) [GeV];Entries",100,-10.,10.);
  ELossDiffTruthEta1p55_end = Book1D("ELossDiffTruthEta1p55_end","Difference ELoss to truth ELoss for 1.55<|#eta|;#Delta(fitted - truth) [GeV];Entries",100,-10.,10.);
  ELossSigma = Book1D("ELossSigma","ELossSigma;ELossSgima [GeV];Entries",50,0,5);
 
  paramELoss = Book1D("paramELoss","paramELoss;paramELoss [GeV];Entries",50,0,10);
  paramELossDiff = Book1D("paramELossDiff","Difference paramELoss to fitted ELoss;#Delta(param-fitted) [GeV];Entries",100,-3.,1.);
  paramELossDiffTruth = Book1D("paramELossDiffTruth","Difference paramELoss to truth ELoss;#Delta(param-truth) [GeV];Entries",100,-10.,10.);
  paramELossDiffTruthEta0_1p35 = Book1D("paramELossDiffTruthEta0_1p35","Difference paramELoss to truth ELoss for 0<|#eta|<1.35;#Delta(param-truth) [GeV];Entries",100,-10.,10.);
  paramELossDiffTruthEta1p35_1p55 = Book1D("paramELossDiffTruthEta1p35_1p55","Difference paramELoss to truth ELoss for 1.35<|#eta|<1.55;#Delta(param-truth) [GeV];Entries",100,-10.,10.);
  paramELossDiffTruthEta1p55_end = Book1D("paramELossDiffTruthhEta1p55_end","Difference paramELoss to truth ELoss for 1.55<|#eta|;#Delta(param-truth) [GeV];Entries",100,-10.,10.);
 
  measELoss = Book1D("measELoss","measELoss;measELoss [GeV];Entries",50,0,10);
  measELossDiff = Book1D("measELossDiff","Difference measELoss to fitted ELoss);#Delta(meas- fitted) [GeV];Entries",100,-3.,1.);
  measELossDiffTruth = Book1D("measELossDiffTruth","Difference measELoss to truth ELoss);#Delta(meas- truth) [GeV];Entries",100,-10.,10.);
  measELossDiffTruthEta0_1p35 = Book1D("measELossDiffTruthEta0_1p35","Difference measELoss to truth ELoss for 0<|#eta|<1.35;#Delta(meas- truth) [GeV];Entries",100,-10.,10.);
  measELossDiffTruthEta1p35_1p55 = Book1D("measELossDiffTruthEta1p35_1p55","Difference measELoss to truth ELoss for 1.35<|#eta|<1.55;#Delta(meas- truth) [GeV];Entries",100,-10.,10.);
  measELossDiffTruthEta1p55_end = Book1D("measELossDiffTruthEta1p55_end","Difference measELoss to truth ELoss for 1.55<|#eta|;#Delta(meas- truth) [GeV];Entries",100,-10.,10.);
  
  ELossType = Book1D("ELossType","ELossType;Type;Entries",5,-0.5,4.5);
  ELossTypeParametrPt = Book1D("ELossTypeParametrPt","ELossType:Parametrized Pt;Pt [GeV];Entries",50,0,500);
  ELossTypeNotIsoPt = Book1D("ELossTypeNotIsoPt","ELossType:NotIsolated Pt;Pt [GeV];Entries",50,0,500);
  ELossTypeTailPt = Book1D("ELossTypeTailPt","ELossType:Tail Pt;Pt [GeV];Entries",50,0,500);
  ELossTypeAllPt = Book1D("ELossTypeAllPt","All ELossTypes Pt;Pt [GeV];Entries",50,0,500);
}
 
  void MuonParamElossPlots::fill(const xAOD::TruthParticle& truthmu, const xAOD::Muon& mu, float weight)
{
  FillPlot(msInnerMatchChi2,mu,xAOD::Muon::msInnerMatchChi2,weight);
  FillPlot(msOuterMatchChi2,mu,xAOD::Muon::msOuterMatchChi2, weight);
#ifndef XAOD_ANALYSIS
  FillPlot(ELoss,ELossDiffTruth,ELossDiffTruthEta0_1p35,ELossDiffTruthEta1p35_1p55,ELossDiffTruthEta1p55_end,truthmu,mu,xAOD::Muon::EnergyLoss,0.001,weight);
  FillPlot(measELoss,measELossDiffTruth,measELossDiffTruthEta0_1p35,measELossDiffTruthEta1p35_1p55,measELossDiffTruthEta1p55_end,truthmu,mu,xAOD::Muon::MeasEnergyLoss,0.001,weight);  
  FillPlot(ELossSigma,mu,xAOD::Muon::EnergyLossSigma,0.001,weight);
  FillPlot(paramELoss,paramELossDiffTruth,paramELossDiffTruthEta0_1p35,paramELossDiffTruthEta1p35_1p55,paramELossDiffTruthEta1p55_end,truthmu,mu,xAOD::Muon::ParamEnergyLoss,0.001,weight);
  FillPlotELossType(ELossType,mu,0.001,weight);
  FillPlotELossType(ELossTypeNotIsoPt,mu,xAOD::Muon::NotIsolated,0.001,weight);
  FillPlotELossType(ELossTypeParametrPt,mu,xAOD::Muon::Parametrized,0.001,weight);
  FillPlotELossType(ELossTypeTailPt,mu,xAOD::Muon::Tail,0.001,weight);
#endif // not XAOD_ANALYSIS
}
  void MuonParamElossPlots::FillPlot(TH1* hist, const xAOD::Muon& mu,const xAOD::Muon::ParamDef paramDef,float scale, float weight) {
  if (mu.author()==xAOD::Muon::CaloTag || mu.author()==xAOD::Muon::CaloLikelihood || mu.author()==xAOD::Muon::ExtrapolateMuonToIP) return; //protection
  float fpar = 0;
  static const SG::ConstAccessor<float> elossAcc ("EnergyLoss");
  if (elossAcc.isAvailable(mu)) {
     if (mu.parameter(fpar, paramDef)) 
       hist->Fill(scale*fpar,weight); //scale to GeV, if needed
  }
  return;
} 
  void MuonParamElossPlots::FillPlot(TH1* hist, TH1* hist_DiffTruth, TH1* hist_DiffTruthEta0_1p35,  TH1* hist_DiffTruthEta1p35_1p55, TH1* hist_DiffTruthEta1p55_end, const xAOD::TruthParticle& truthprt, const xAOD::Muon& mu,const xAOD::Muon::ParamDef paramDef,float scale, float weight) {
  if (mu.author()==xAOD::Muon::CaloTag || mu.author()==xAOD::Muon::CaloLikelihood || mu.author()==xAOD::Muon::ExtrapolateMuonToIP) return; //protection
  float fpar = 0;
  static const SG::ConstAccessor<float> elossAcc("EnergyLoss");
  if (elossAcc.isAvailable(mu)) {
     if (mu.parameter(fpar, paramDef)) 
       hist->Fill(scale*fpar,weight); //scale to GeV, if needed
 
     //get true energy loss
     static const SG::ConstAccessor<float> pxAcc("px");
     static const SG::ConstAccessor<float> pyAcc("py");
     static const SG::ConstAccessor<float> pzAcc("pz");
     static const SG::ConstAccessor<float> muonEnt_pxAcc("MuonEntryLayer_px");
     static const SG::ConstAccessor<float> muonEnt_pyAcc("MuonEntryLayer_py");
     static const SG::ConstAccessor<float> muonEnt_pzAcc("MuonEntryLayer_pz");
     if (!pxAcc.isAvailable(truthprt) ||
     !pyAcc.isAvailable(truthprt) ||
     !pzAcc.isAvailable(truthprt) ||
     !muonEnt_pxAcc.isAvailable(truthprt) ||
     !muonEnt_pyAcc.isAvailable(truthprt) ||
     !muonEnt_pzAcc.isAvailable(truthprt)) return;
 
     //workaround for missing caloentry
     Amg::Vector3D vecCaloEntry{pxAcc(truthprt),
                                pyAcc(truthprt),
                                pzAcc(truthprt)};
 
     Amg::Vector3D vecMuonExit{muonEnt_pxAcc(truthprt),
                               muonEnt_pyAcc(truthprt),
                               muonEnt_pzAcc(truthprt)};
     float dpTruth=vecCaloEntry.mag()-vecMuonExit.mag();
     hist_DiffTruth->Fill(scale*(fpar-dpTruth),weight); //scale to GeV, if needed
     //again in eta ranges
     if (std::abs(mu.eta())<1.35) hist_DiffTruthEta0_1p35->Fill(scale*(fpar-dpTruth),weight); 
     else  {
       if (std::abs(mu.eta())<1.55) hist_DiffTruthEta1p35_1p55->Fill(scale*(fpar-dpTruth),weight); 
       else hist_DiffTruthEta1p55_end->Fill(scale*(fpar-dpTruth),weight); 
     }
  }
  return;
}
  void MuonParamElossPlots::FillPlotELossType(TH1* hist, const xAOD::Muon& mu, float scale, float weight) {
  if (mu.author()==xAOD::Muon::CaloTag || mu.author()==xAOD::Muon::CaloLikelihood || mu.author()==xAOD::Muon::ExtrapolateMuonToIP) return; //protection
  static const SG::ConstAccessor<float> elossAcc("EnergyLoss");
  if (elossAcc.isAvailable(mu)) {
    hist->Fill(mu.energyLossType(), weight); 
    ELossTypeAllPt->Fill(mu.pt()*scale, weight);
    float used=0;
    float meas=-100000;
    float param=-100000;
    if (mu.parameter(used, xAOD::Muon::EnergyLoss) &&  mu.parameter(param, xAOD::Muon::ParamEnergyLoss) && mu.parameter(meas, xAOD::Muon::MeasEnergyLoss ) ){
      //fill diff plots
      if (mu.energyLossType()==xAOD::Muon::Parametrized){
    paramELossDiff->Fill((param-used)*scale, weight);
      }
      if (mu.energyLossType()==xAOD::Muon::Tail){
    measELossDiff->Fill((meas-used)*scale, weight);
      }
    }
  }
  return;
}
  void MuonParamElossPlots::FillPlotELossType(TH1* hist, const xAOD::Muon& mu, const xAOD::Muon::EnergyLossType type,  float scale, float weight) {
  if (mu.author()==xAOD::Muon::CaloTag || mu.author()==xAOD::Muon::CaloLikelihood || mu.author()==xAOD::Muon::ExtrapolateMuonToIP) return; //protection
  static const SG::ConstAccessor<float> elossAcc("EnergyLoss");
  if (elossAcc.isAvailable(mu)) {
    if (mu.energyLossType()==type) hist->Fill(mu.pt()*scale,weight); //scale to GeV, if needed
  }
  return;
}
}//namespace Muon