MuonTiming.cc

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#include "DQMOffline/Muon/interface/MuonTiming.h"

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h" 
#include "DataFormats/MuonReco/interface/MuonEnergy.h"

#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include <string>
#include "TMath.h"
using namespace std;
using namespace edm;



MuonTiming::MuonTiming(const edm::ParameterSet& pSet) {
  edm::ParameterSet parameters = pSet;

  // Input booleans
  
  // the services:
  theService = new MuonServiceProxy(parameters.getParameter<ParameterSet>("ServiceParameters"));
  theMuonCollectionLabel_ = consumes<edm::View<reco::Muon> >  (parameters.getParameter<edm::InputTag>("MuonCollection"));

  tnbins_ = parameters.getParameter<int>("tnbins");
  tnbinsrpc_ = parameters.getParameter<int>("tnbinsrpc");
  terrnbins_ = parameters.getParameter<int>("terrnbins");
  terrnbinsrpc_ = parameters.getParameter<int>("terrnbinsrpc");
  ndofnbins_ = parameters.getParameter<int>("ndofnbins");
  ptnbins_ = parameters.getParameter<int>("ptnbins");
  etanbins_ = parameters.getParameter<int>("etanbins");
  tmax_ = parameters.getParameter<double>("tmax");
  tmaxrpc_ = parameters.getParameter<double>("tmaxrpc");
  terrmax_ = parameters.getParameter<double>("terrmax");
  terrmaxrpc_ = parameters.getParameter<double>("terrmaxrpc");
  ndofmax_ = parameters.getParameter<double>("ndofmax");
  ptmax_ = parameters.getParameter<double>("ptmax");
  etamax_ = parameters.getParameter<double>("etamax");
  tmin_ = parameters.getParameter<double>("tmin");
  tminrpc_ = parameters.getParameter<double>("tminrpc");
  terrmin_ = parameters.getParameter<double>("terrmin");
  terrminrpc_ = parameters.getParameter<double>("terrminrpc");
  ndofmin_ = parameters.getParameter<double>("ndofmin");
  ptmin_ = parameters.getParameter<double>("ptmin");
  etamin_ = parameters.getParameter<double>("etamin");
 
  etaBarrelMin_ = parameters.getParameter<double>("etaBarrelMin");
  etaBarrelMax_ = parameters.getParameter<double>("etaBarrelMax");
  etaEndcapMin_ = parameters.getParameter<double>("etaEndcapMin");
  etaEndcapMax_ = parameters.getParameter<double>("etaEndcapMax");
  etaOverlapMin_ = parameters.getParameter<double>("etaOverlapMin");
  etaOverlapMax_ = parameters.getParameter<double>("etaOverlapMax");
  
  theFolder_ = parameters.getParameter<string>("folder");
}


MuonTiming::~MuonTiming() {
  delete theService;
}

void MuonTiming::bookHistograms(DQMStore::IBooker & ibooker,
                      edm::Run const & /*iRun*/,
                      edm::EventSetup const & /* iSetup */){
    
  ibooker.cd();
  ibooker.setCurrentFolder(theFolder_);

  EtaName_.push_back("_Overlap"); EtaName_.push_back("_Barrel"); EtaName_.push_back("_Endcap");
  ObjectName_.push_back("Sta_"); ObjectName_.push_back("Glb_"); 

  for (unsigned int iEtaRegion=0; iEtaRegion<3; iEtaRegion++){
    /*std::array<MonitorElement*, 1> timeNDofv_;
    std::array<MonitorElement*, 1> timeAtIpInOutv_;
    std::array<MonitorElement*, 1> timeAtIpInOutRPCv_;
    std::array<MonitorElement*, 1> timeAtIpInOutErrv_;
    std::array<MonitorElement*, 1> timeAtIpInOutErrRPCv_;*/
    //Only creating so far the timing information for STA muons, however the code can be extended to also Glb by just setting the limit of this loop to 2
    for(unsigned int iObjectName=0; iObjectName<1; iObjectName++) {
        timeNDof_[iEtaRegion][iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "timenDOF" + EtaName_[iEtaRegion], "muon time ndof", ndofnbins_, 0, ndofmax_);
        timeAtIpInOut_[iEtaRegion][iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "timeAtIpInOut" + EtaName_[iEtaRegion], "muon time", tnbins_, tmin_, tmax_);
        timeAtIpInOutRPC_[iEtaRegion][iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "timeAtIpInOutRPC" + EtaName_[iEtaRegion], "muon rpc time", tnbinsrpc_, tminrpc_, tmaxrpc_);
        timeAtIpInOutErr_[iEtaRegion][iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "timeAtIpInOutErr" + EtaName_[iEtaRegion], "muon time error", terrnbins_, terrmin_, terrmax_);
        timeAtIpInOutErrRPC_[iEtaRegion][iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "timeAtIpInOutRPCErr" + EtaName_[iEtaRegion], "muon rpc time error", terrnbinsrpc_, terrminrpc_, terrmaxrpc_);
        timeNDof_[iEtaRegion][iObjectName]->setAxisTitle("Time nDof");
        timeAtIpInOut_[iEtaRegion][iObjectName]->setAxisTitle("Combined time [ns]");
        timeAtIpInOutErr_[iEtaRegion][iObjectName]->setAxisTitle("Combined time Error [ns]");
        timeAtIpInOutRPC_[iEtaRegion][iObjectName]->setAxisTitle("RPC time [ns]");
        timeAtIpInOutErrRPC_[iEtaRegion][iObjectName]->setAxisTitle("RPC time Error [ns]");
    }
    /*
    timeNDof_[iEtaregion] = timeNDofv_);
    timeAtIpInOut_.push_back(timeAtIpInOutv_);
    timeAtIpInOutRPC_.push_back(timeAtIpInOutRPCv_);
    timeAtIpInOutErr_.push_back(timeAtIpInOutErrv_);
    timeAtIpInOutErrRPC_.push_back(timeAtIpInOutErrRPCv_);
    */
  }

  //Only creating so far the timing information for STA muons, however the code can be extended to also Glb by just setting the limit of this loop to 2
  for(unsigned int iObjectName=0; iObjectName<1; iObjectName++) {
    etaptVeto_[iObjectName] = ibooker.book2D(ObjectName_[iObjectName] + "etapt", "Eta and Pt distribution for muons not passing the veto", ptnbins_, ptmin_, ptmax_, etanbins_, etamin_, etamax_);
    etaVeto_[iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "eta", "Eta distribution for muons not passing the veto", etanbins_, etamin_, etamax_);
    ptVeto_[iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "pt", "Pt distribution for muons not passing the veto", ptnbins_, ptmin_, ptmax_);
    yields_[iObjectName] = ibooker.book1D(ObjectName_[iObjectName] + "yields", "Number of muons passing/not passing the different conditions", 10, 0, 10);
    yields_[iObjectName]->setBinLabel(1, "Not valid time");
    yields_[iObjectName]->setBinLabel(2, "Valid time");
    yields_[iObjectName]->setBinLabel(3, "Not Combined time");
    yields_[iObjectName]->setBinLabel(4, "Combined time");
    yields_[iObjectName]->setBinLabel(5, "Not RPC time");
    yields_[iObjectName]->setBinLabel(6, "RPC time");
    yields_[iObjectName]->setBinLabel(7, "Combined not RPC");
    yields_[iObjectName]->setBinLabel(8, "RPC not Combined");
    yields_[iObjectName]->setBinLabel(9, "Not passing veto");
    yields_[iObjectName]->setBinLabel(10, "Passing veto");
    etaptVeto_[iObjectName]->setAxisTitle("p_{T} [GeV]");
    etaptVeto_[iObjectName]->setAxisTitle("#eta#", 2);
    ptVeto_[iObjectName]->setAxisTitle("p_{T} [GeV]");
    etaVeto_[iObjectName]->setAxisTitle("#eta");
  }

}



void MuonTiming::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup){

  LogTrace(metname_)<<"[MuonTiming] Analyze the mu";
  theService->update(iSetup);
 
  // Take the muon container
  edm::Handle<edm::View<reco::Muon> > muons; 
  iEvent.getByToken(theMuonCollectionLabel_,muons);
 

  if(!muons.isValid()) return;

  for (edm::View<reco::Muon>::const_iterator muon = muons->begin(); muon != muons->end(); ++muon){
    const reco::MuonTime time = muon->time(); 
    const reco::MuonTime rpcTime = muon->rpcTime();
    //Only creating so far the timing information for STA muons
    if(!muon->isStandAloneMuon() || muon->isGlobalMuon()) continue;
    reco::TrackRef track;
    //Select whether it's a global or standalone muon
    object_ theObject = sta;
    if(muon->isGlobalMuon()) {track = muon->combinedMuon(); theObject = glb;}
    else {track = muon->standAloneMuon(); theObject = sta;}

    //These definitions have been taken from Piotr Traczyk  
    bool cmbok =(time.nDof > 7);
    bool rpcok =(rpcTime.nDof > 1 && rpcTime.timeAtIpInOutErr == 0);
    bool veto = false;
    if (rpcok) {
       if ((fabs(rpcTime.timeAtIpInOut) > 10) && !(cmbok && fabs(time.timeAtIpInOut)<10)) veto=true;
       else if (cmbok && (time.timeAtIpInOut > 20 || time.timeAtIpInOut<-45)) veto=true;
    } 

    //std::cout << time.timeAtIpInOut << std::endl;    
    //Filling the yields histogram
    if(muon->isTimeValid()) yields_[theObject]->Fill(1);
    else yields_[theObject]->Fill(0);
  
    if(cmbok) yields_[theObject]->Fill(3);
    else yields_[theObject]->Fill(2);
    
    if(rpcok) yields_[theObject]->Fill(5);
    else yields_[theObject]->Fill(4);
    
    if(cmbok && !rpcok) yields_[theObject]->Fill(6);
    if(!cmbok && rpcok) yields_[theObject]->Fill(7);
    
    if(veto) yields_[theObject]->Fill(8);
    else yields_[theObject]->Fill(9);

    //Starting now with the pt and eta for vetoed and not vetoed muons
    if(veto) {
      etaptVeto_[theObject]->Fill(track->pt(), track->eta());
      etaVeto_[theObject]->Fill(track->eta());
      ptVeto_[theObject]->Fill(track->pt());
    } 
    
    //Check the eta region of the muon
    eta_ theEta = barrel;
    if(fabs(track->eta()) >= etaBarrelMin_  && fabs(track->eta()) <= etaBarrelMax_) theEta = barrel;
    if(fabs(track->eta()) >= etaOverlapMin_ && fabs(track->eta()) <= etaOverlapMax_) theEta = overlap;
    if(fabs(track->eta()) >= etaEndcapMin_  && fabs(track->eta()) <= etaEndcapMax_) theEta = endcap;
    timeNDof_[theEta][theObject]->Fill(time.nDof);
    timeAtIpInOut_[theEta][theObject]->Fill(time.timeAtIpInOut);
    timeAtIpInOutRPC_[theEta][theObject]->Fill(rpcTime.timeAtIpInOut);
    timeAtIpInOutErr_[theEta][theObject]->Fill(time.timeAtIpInOutErr);
    timeAtIpInOutErrRPC_[theEta][theObject]->Fill(rpcTime.timeAtIpInOutErr);
    
  } 
}