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Copy pathV0AnalyzerHistoHighPtTrack.cc
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V0AnalyzerHistoHighPtTrack.cc
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//cription: [one line class summary]
// Implementation:
// [Notes on implementation]
//
// Original Author: Zhoudunming Tu,
// Created: Mon Jun 13 20:56:30 CEST 2011
// $Id$
//
//
// system include files
#include <memory>
#include <string>
#include <vector>
#include <iostream>
#include <math.h>
#include <map>
#include <TMath.h>
#include <TH1D.h>
#include <TH2D.h>
#include <TNtuple.h>
#include <TFile.h>
#include <TROOT.h>
#include <TSystem.h>
#include <TString.h>
#include <TCanvas.h>
#include <TVector3.h>
#include <TRandom.h>
#include <TNtuple.h>
// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/JetReco/interface/PFJet.h"
#include "DataFormats/JetReco/interface/PFJetCollection.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "DataFormats/RecoCandidate/interface/RecoCandidate.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/Candidate/interface/VertexCompositeCandidate.h"
#include "DataFormats/Candidate/interface/VertexCompositeCandidateFwd.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "DataFormats/TrackReco/interface/DeDxData.h"
#include <Math/Functions.h>
#include <Math/SVector.h>
#include <Math/SMatrix.h>
//////////////////////////////////////////////
// CMSSW user include files
#include "DataFormats/Common/interface/DetSetAlgorithm.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "DataFormats/SiPixelDetId/interface/PXBDetId.h"
#include "DataFormats/SiPixelDetId/interface/PXFDetId.h"
#include "DataFormats/Common/interface/TriggerResults.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "DataFormats/HeavyIonEvent/interface/Centrality.h"
#include "DataFormats/HeavyIonEvent/interface/CentralityProvider.h"
#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHitCollection.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
#include "Geometry/TrackerGeometryBuilder/interface/PixelGeomDetUnit.h"
#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
#include "Geometry/TrackerGeometryBuilder/interface/TrackerLayerIdAccessor.h"
#include "HLTrigger/HLTcore/interface/HLTConfigProvider.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertex.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertexContainer.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
#include "SimDataFormats/TrackingHit/interface/PSimHit.h"
#include "SimGeneral/HepPDTRecord/interface/ParticleDataTable.h"
#include "SimTracker/TrackerHitAssociation/interface/TrackerHitAssociator.h"
#include "DataFormats/SiPixelDetId/interface/PixelEndcapName.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutSetup.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutRecord.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerObjectMapRecord.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerObjectMap.h"
#include "L1Trigger/GlobalTrigger/interface/L1GlobalTrigger.h"
#include "DataFormats/Math/interface/Point3D.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
#include "SimTracker/Records/interface/TrackAssociatorRecord.h"
#include "DataFormats/RecoCandidate/interface/TrackAssociation.h"
#include "SimTracker/TrackAssociation/interface/TrackAssociatorByHits.h"
#include "DataFormats/TrackReco/interface/DeDxData.h"
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
// Heavyion
#include "DataFormats/HeavyIonEvent/interface/Centrality.h"
// Particle Flow
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlock.h"
#include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
#include "DataFormats/ParticleFlowReco/interface/PFClusterFwd.h"
// Vertex significance
#include "RecoBTag/SecondaryVertex/interface/SecondaryVertex.h"
// Root include files
#include "TTree.h"
//
// Track Matching and fake rate calculations
//#include "RiceHIG/V0Analysis/interface/V0Validator.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
//
// class decleration
//
class V0AnalyzerHistoHighPtTrack : public edm::EDAnalyzer {
public:
explicit V0AnalyzerHistoHighPtTrack(const edm::ParameterSet&);
~V0AnalyzerHistoHighPtTrack();
private:
virtual void beginJob() ;
virtual void analyze(const edm::Event&, const edm::EventSetup&);
virtual void endJob() ;
// ----------member data ---------------------------
edm::InputTag trackSrc_;
edm::InputTag simVertexSrc_;
edm::InputTag generalV0_ks_;
edm::InputTag generalV0_la_;
std::string vertexSrc_;
std::string jetSrc_;
edm::InputTag genParticleSrc_;
TH1D* InvMass_1_ks[10];
TH1D* InvMass_1_la[10];
TH1D* InvMass_1_ks_background[10];
TH1D* InvMass_1_la_background[10];
TH1D* trkPt;
struct etaPhiPair{
double eta;
double phi;
};
};
//
// constants, enums and typedefs
//
//
// static data member definitions
//
//
// constructors and destructor
//
V0AnalyzerHistoHighPtTrack::V0AnalyzerHistoHighPtTrack(const edm::ParameterSet& iConfig)
{
trackSrc_ = iConfig.getParameter<edm::InputTag>("trackSrc");
vertexSrc_ = iConfig.getParameter<std::string>("vertexSrc");
simVertexSrc_ = iConfig.getUntrackedParameter<edm::InputTag>("tpVtxSrc",edm::InputTag("mergedtruth","MergedTrackTruth"));
generalV0_ks_ = iConfig.getParameter<edm::InputTag>("generalV0_ks");
generalV0_la_ = iConfig.getParameter<edm::InputTag>("generalV0_la");
jetSrc_ = iConfig.getParameter<std::string>("jetSrc");
genParticleSrc_ = iConfig.getParameter<edm::InputTag>("genParticleSrc");
}
V0AnalyzerHistoHighPtTrack::~V0AnalyzerHistoHighPtTrack()
{
// do anything here that needs to be done at desctruction time
// (e.g. close files, deallocate resources etc.)
}
//==================
// member functions
//==================
double Mass_ks(double px_1,double py_1,double pz_1,double px_2,double py_2,double pz_2)
{
double temp = 0.0;
double E1 = sqrt((px_1*px_1+py_1*py_1+pz_1*pz_1)+(0.13957*0.13957));
double E2 = sqrt((px_2*px_2+py_2*py_2+pz_2*pz_2)+(0.93827*0.93827));
double E_tot = E1+E2;
temp = (E_tot*E_tot) - ((px_1+px_2)*(px_1+px_2)+(py_1+py_2)*(py_1+py_2)+(pz_1+pz_2)*(pz_1+pz_2));
return sqrt(temp);
}
double Mass_la(double px_1,double py_1,double pz_1,double px_2,double py_2,double pz_2)
{
double temp = 0.0;
double E1 = sqrt((px_1*px_1+py_1*py_1+pz_1*pz_1)+(0.13957*0.13957));
double E2 = sqrt((px_2*px_2+py_2*py_2+pz_2*pz_2)+(0.13957*0.13957));
double E_tot = E1+E2;
temp = (E_tot*E_tot) - ((px_1+px_2)*(px_1+px_2)+(py_1+py_2)*(py_1+py_2)+(pz_1+pz_2)*(pz_1+pz_2));
return sqrt(temp);
}
double Mass_e(double px_1,double py_1,double pz_1,double px_2,double py_2,double pz_2)
{
double temp = 0.0;
double E1 = sqrt((px_1*px_1+py_1*py_1+pz_1*pz_1)+(0.000511*0.000511));
double E2 = sqrt((px_2*px_2+py_2*py_2+pz_2*pz_2)+(0.000511*0.000511));
double E_tot = E1+E2;
temp = (E_tot*E_tot) - ((px_1+px_2)*(px_1+px_2)+(py_1+py_2)*(py_1+py_2)+(pz_1+pz_2)*(pz_1+pz_2));
return sqrt(temp);
}
double Angle(double px, double py, double pz, double px_d, double py_d, double pz_d)
{
double pd = px*px_d+py*py_d+pz*pz_d;
double p = sqrt(px*px+py*py+pz*pz);
double d = sqrt(px_d*px_d+py_d*py_d+pz_d*pz_d);
double pd_module = p*d;
double temp = (pd)/(pd_module);
double angle = acos(temp);
return angle;
}
/**
* Function to calculate the delta R correctly
* when deltaPhi > 3.14, deltaPhi = 6.28 - deltaPhi;
* when deltaPhi < -3.14, deltaPhi = 6.28 + deltaPhi;
* when else, it's deltaPhi;
*/
double deltaR(double raw_deltaPhi, double raw_deltaEta){
double temp = 0.0;
if ( raw_deltaPhi > 3.14 ){
temp = 6.28 - raw_deltaPhi;
}
else if( raw_deltaPhi < 3.14 ){
temp = 6.28 + raw_deltaPhi;
}
else{
temp = raw_deltaPhi;
}
double r = 0.0;
r = sqrt( (temp * temp) + (raw_deltaEta * raw_deltaEta) );
return r;
}
// ------------ method called to for each event ------------
void
V0AnalyzerHistoHighPtTrack::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
using namespace edm;
using namespace std;
using namespace reco;
edm::Handle<reco::VertexCollection> vertices;
iEvent.getByLabel(vertexSrc_,vertices);
double bestvz=-999.9, bestvx=-999.9, bestvy=-999.9;
double bestvzError=-999.9, bestvxError=-999.9, bestvyError=-999.9;
const reco::Vertex & vtx = (*vertices)[0];
bestvz = vtx.z(); bestvx = vtx.x(); bestvy = vtx.y();
bestvzError = vtx.zError(); bestvxError = vtx.xError(); bestvyError = vtx.yError();
Handle<reco::TrackCollection> tracks;
iEvent.getByLabel(trackSrc_, tracks);
int nTracks = 0;
for(unsigned it = 0; it < tracks->size(); it++){
const reco::Track & trk = (*tracks)[it];
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzvtx = trk.dz(bestvtx);
double dxyvtx = trk.dxy(bestvtx);
double dzerror = sqrt(trk.dzError()*trk.dzError()+bestvzError*bestvzError);
double dxyerror = sqrt(trk.d0Error()*trk.d0Error()+bestvxError*bestvyError);
if(!trk.quality(reco::TrackBase::highPurity)) continue;
if(fabs(trk.ptError())/trk.pt()>0.10) continue;
if(fabs(dzvtx/dzerror) > 3) continue;
if(fabs(dxyvtx/dxyerror) > 3) continue;
//ntrack selection:
if ( fabs(trk.eta()) > 2.4 || trk.pt() < 0.4 ) continue;
nTracks++;
}
edm::Handle<reco::PFJetCollection> jets;
iEvent.getByLabel( jetSrc_ , jets);
// jetSrc = "ak5PFJets" inputTag (string);
edm::Handle<reco::VertexCompositeCandidateCollection> v0candidates_ks;
iEvent.getByLabel(generalV0_ks_,v0candidates_ks);
if(!v0candidates_ks.isValid()) return;
edm::Handle<reco::VertexCompositeCandidateCollection> v0candidates_la;
iEvent.getByLabel(generalV0_la_,v0candidates_la);
if(!v0candidates_la.isValid()) return;
//first selection; vertices
if(bestvz < -15.0 || bestvz>15.0) return;
//multiplicity bins:
if ( nTracks > 0 ){
vector<etaPhiPair> fakeTrack;
for(unsigned it=0; it<v0candidates_ks->size(); ++it){
const reco::VertexCompositeCandidate & trk = (*v0candidates_ks)[it];
const reco:: Candidate * d1 = trk.daughter(0);
const reco:: Candidate * d2 = trk.daughter(1);
auto dau1 = d1->get<reco::TrackRef>();
auto dau2 = d2->get<reco::TrackRef>();
double eta_dau1 = dau1->eta();
double phi_dau1 = dau1->phi();
double pt_dau1 = dau1->pt();
double px_dau1 = dau1->px();
double py_dau1 = dau1->py();
double pz_dau1 = dau1->pz();
double charge_dau1 = dau1->charge();
double p_dau1 = dau1->p();
double eta_dau2 = dau2->eta();
double phi_dau2 = dau2->phi();
double pt_dau2 = dau2->pt();
double px_dau2 = dau2->px();
double py_dau2 = dau2->py();
double pz_dau2 = dau2->pz();
double charge_dau2 = dau2->charge();
double p_dau2 = dau2->p();
double ks_mass = trk.mass();
double ks_pt = trk.pt();
double ks_px = trk.px();
double ks_py = trk.py();
double ks_pz = trk.pz();
double ks_eta = trk.eta();
double ks_phi = trk.phi();
//PAngle
double secvz = trk.vz();
double secvx = trk.vx();
double secvy = trk.vy();
TVector3 ptosvec(secvx-bestvx,secvy-bestvy,secvz-bestvz);
TVector3 secvec(ks_px,ks_py,ks_pz);
double agl = cos(secvec.Angle(ptosvec));
//Decay length
typedef ROOT::Math::SMatrix<double, 3, 3, ROOT::Math::MatRepSym<double, 3> > SMatrixSym3D;
typedef ROOT::Math::SVector<double, 3> SVector3;
SMatrixSym3D totalCov = vtx.covariance() + trk.vertexCovariance();
SVector3 distanceVector(secvx-bestvx,secvy-bestvy,secvz-bestvz);
double dl = ROOT::Math::Mag(distanceVector);
double dlerror = sqrt(ROOT::Math::Similarity(totalCov, distanceVector))/dl;
double dlos = dl/dlerror;
//NumberofValidHits for two daughters"
double dau1_Nhits = dau1->numberOfValidHits();
double dau2_Nhits = dau2->numberOfValidHits();
//DCA
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzbest1 = dau1->dz(bestvtx);
double dxybest1 = dau1->dxy(bestvtx);
double dzerror1 = sqrt(dau1->dzError()*dau1->dzError()+bestvzError*bestvzError);
double dxyerror1 = sqrt(dau1->d0Error()*dau1->d0Error()+bestvxError*bestvyError);
double dzos1 = dzbest1/dzerror1;
double dxyos1 = dxybest1/dxyerror1;
double dzbest2 = dau2->dz(bestvtx);
double dxybest2 = dau2->dxy(bestvtx);
double dzerror2 = sqrt(dau2->dzError()*dau2->dzError()+bestvzError*bestvzError);
double dxyerror2 = sqrt(dau2->d0Error()*dau2->d0Error()+bestvxError*bestvyError);
double dzos2 = dzbest2/dzerror2;
double dxyos2 = dxybest2/dxyerror2;
for(unsigned it = 0; it < tracks->size(); it++){
const reco::Track & trk = (*tracks)[it];
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzvtx = trk.dz(bestvtx);
double dxyvtx = trk.dxy(bestvtx);
double dzerror = sqrt(trk.dzError()*trk.dzError()+bestvzError*bestvzError);
double dxyerror = sqrt(trk.d0Error()*trk.d0Error()+bestvxError*bestvyError);
if(!trk.quality(reco::TrackBase::highPurity)) continue;
if(fabs(trk.ptError())/trk.pt()>0.10) continue;
if(fabs(dzvtx/dzerror) > 3) continue;
if(fabs(dxyvtx/dxyerror) > 3) continue;
//ntrack selection:
if ( fabs(trk.eta()) > 2.4 || trk.pt() < 0.4 ) continue;
trkPt->Fill( trk.pt() );
if ( trk.pt() > 10 ) continue;
double pt = trk.pt();
double eta = trk.eta();
double phi = trk.phi();
double delta_ks_eta = (eta) - (ks_eta);
double delta_ks_phi = (phi) - (ks_phi);
double KSconeSize = 0.0;
KSconeSize = deltaR(delta_ks_phi, delta_ks_eta);
if ( KSconeSize < 0.3 ){
etaPhiPair mPair;
mPair.eta = -eta;
mPair.phi = phi;
fakeTrack.push_back( mPair );
if (dau1_Nhits > 3 && dau2_Nhits > 3 && dlos > 5 && agl > 0.999 && TMath::Abs(dzos1) > 1 &&
TMath::Abs(dzos2) > 1 && TMath::Abs(dxyos1) > 1 && TMath::Abs(dxyos2) > 1)
{
if (ks_pt > 0.7 && ks_pt < 1.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[0]->Fill(ks_mass);
}
if (ks_pt > 1.0 && ks_pt < 1.4)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[1]->Fill(ks_mass);
}
if (ks_pt > 1.4 && ks_pt < 1.8)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[2]->Fill(ks_mass);
}
if (ks_pt > 1.8 && ks_pt < 2.2)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[3]->Fill(ks_mass);
}
if (ks_pt > 2.2 && ks_pt < 2.8)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[4]->Fill(ks_mass);
}
if (ks_pt > 2.8 && ks_pt < 3.6)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[5]->Fill(ks_mass);
}
if (ks_pt > 3.6 && ks_pt < 4.6)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[6]->Fill(ks_mass);
}
if (ks_pt > 4.6 && ks_pt < 6.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[7]->Fill(ks_mass);
}
if (ks_pt > 6.0 && ks_pt < 9.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[8]->Fill(ks_mass);
}
if (ks_pt > 9.0 && ks_pt < 12.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks[9]->Fill(ks_mass);
}
}
}
}
}
/**[fakeTrackLoop]
* background V0s subtractions( V0s from the medium instead of high pT track or jets)
* loop over all the fakeTrack, that has opposite sign of eta of the real track, and
* define a 0.3 coneSize region, find all the V0s inside of the region. Later on they could be
* subtracted
*/
for (unsigned num = 0; num < fakeTrack.size(); num++){
for(unsigned it=0; it<v0candidates_ks->size(); ++it){
const reco::VertexCompositeCandidate & trk = (*v0candidates_ks)[it];
const reco:: Candidate * d1 = trk.daughter(0);
const reco:: Candidate * d2 = trk.daughter(1);
auto dau1 = d1->get<reco::TrackRef>();
auto dau2 = d2->get<reco::TrackRef>();
double eta_dau1 = dau1->eta();
double phi_dau1 = dau1->phi();
double pt_dau1 = dau1->pt();
double px_dau1 = dau1->px();
double py_dau1 = dau1->py();
double pz_dau1 = dau1->pz();
double charge_dau1 = dau1->charge();
double p_dau1 = dau1->p();
double eta_dau2 = dau2->eta();
double phi_dau2 = dau2->phi();
double pt_dau2 = dau2->pt();
double px_dau2 = dau2->px();
double py_dau2 = dau2->py();
double pz_dau2 = dau2->pz();
double charge_dau2 = dau2->charge();
double p_dau2 = dau2->p();
double ks_mass = trk.mass();
double ks_pt = trk.pt();
double ks_px = trk.px();
double ks_py = trk.py();
double ks_pz = trk.pz();
double ks_eta = trk.eta();
double ks_phi = trk.phi();
//PAngle
double secvz = trk.vz();
double secvx = trk.vx();
double secvy = trk.vy();
TVector3 ptosvec(secvx-bestvx,secvy-bestvy,secvz-bestvz);
TVector3 secvec(ks_px,ks_py,ks_pz);
double agl = cos(secvec.Angle(ptosvec));
//Decay length
typedef ROOT::Math::SMatrix<double, 3, 3, ROOT::Math::MatRepSym<double, 3> > SMatrixSym3D;
typedef ROOT::Math::SVector<double, 3> SVector3;
SMatrixSym3D totalCov = vtx.covariance() + trk.vertexCovariance();
SVector3 distanceVector(secvx-bestvx,secvy-bestvy,secvz-bestvz);
double dl = ROOT::Math::Mag(distanceVector);
double dlerror = sqrt(ROOT::Math::Similarity(totalCov, distanceVector))/dl;
double dlos = dl/dlerror;
//NumberofValidHits for two daughters"
double dau1_Nhits = dau1->numberOfValidHits();
double dau2_Nhits = dau2->numberOfValidHits();
//DCA
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzbest1 = dau1->dz(bestvtx);
double dxybest1 = dau1->dxy(bestvtx);
double dzerror1 = sqrt(dau1->dzError()*dau1->dzError()+bestvzError*bestvzError);
double dxyerror1 = sqrt(dau1->d0Error()*dau1->d0Error()+bestvxError*bestvyError);
double dzos1 = dzbest1/dzerror1;
double dxyos1 = dxybest1/dxyerror1;
double dzbest2 = dau2->dz(bestvtx);
double dxybest2 = dau2->dxy(bestvtx);
double dzerror2 = sqrt(dau2->dzError()*dau2->dzError()+bestvzError*bestvzError);
double dxyerror2 = sqrt(dau2->d0Error()*dau2->d0Error()+bestvxError*bestvyError);
double dzos2 = dzbest2/dzerror2;
double dxyos2 = dxybest2/dxyerror2;
double delta_fake_ks_eta = fakeTrack[num].eta - (ks_eta);
double delta_fake_ks_phi = fakeTrack[num].phi - (ks_phi);
double KSconeSize = 0.0;
KSconeSize = deltaR(delta_fake_ks_phi, delta_fake_ks_eta);
if( KSconeSize < 0.3){
if (dau1_Nhits > 3 && dau2_Nhits > 3 && dlos > 5 && agl > 0.999 && TMath::Abs(dzos1) > 1 &&
TMath::Abs(dzos2) > 1 && TMath::Abs(dxyos1) > 1 && TMath::Abs(dxyos2) > 1)
{
if (ks_pt > 0.7 && ks_pt < 1.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[0]->Fill(ks_mass);
}
if (ks_pt > 1.0 && ks_pt < 1.4)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[1]->Fill(ks_mass);
}
if (ks_pt > 1.4 && ks_pt < 1.8)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[2]->Fill(ks_mass);
}
if (ks_pt > 1.8 && ks_pt < 2.2)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[3]->Fill(ks_mass);
}
if (ks_pt > 2.2 && ks_pt < 2.8)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[4]->Fill(ks_mass);
}
if (ks_pt > 2.8 && ks_pt < 3.6)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[5]->Fill(ks_mass);
}
if (ks_pt > 3.6 && ks_pt < 4.6)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[6]->Fill(ks_mass);
}
if (ks_pt > 4.6 && ks_pt < 6.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[7]->Fill(ks_mass);
}
if (ks_pt > 6.0 && ks_pt < 9.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[8]->Fill(ks_mass);
}
if (ks_pt > 9.0 && ks_pt < 12.0)
{
double temp = Mass_ks(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 1.13568 && temp > 1.09568 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_ks_background[9]->Fill(ks_mass);
}
}
}
}
}
/**
* claer the fakeTrack and reuse it on Lambda:
*/
fakeTrack.clear();
for(unsigned it=0; it<v0candidates_la->size(); ++it){
const reco::VertexCompositeCandidate & trk = (*v0candidates_la)[it];
const reco:: Candidate * d1 = trk.daughter(0);
const reco:: Candidate * d2 = trk.daughter(1);
auto dau1 = d1->get<reco::TrackRef>();
auto dau2 = d2->get<reco::TrackRef>();
double eta_dau1 = dau1->eta();
double phi_dau1 = dau1->phi();
double pt_dau1 = dau1->pt();
double px_dau1 = dau1->px();
double py_dau1 = dau1->py();
double pz_dau1 = dau1->pz();
double charge_dau1 = dau1->charge();
double p_dau1 = dau1->p();
double eta_dau2 = dau2->eta();
double phi_dau2 = dau2->phi();
double pt_dau2 = dau2->pt();
double px_dau2 = dau2->px();
double py_dau2 = dau2->py();
double pz_dau2 = dau2->pz();
double charge_dau2 = dau2->charge();
double p_dau2 = dau2->p();
double la_mass = trk.mass();
double la_pt = trk.pt();
double la_px = trk.px();
double la_py = trk.py();
double la_pz = trk.pz();
double la_eta = trk.eta();
double la_phi = trk.phi();
//PAngle
double secvz = trk.vz();
double secvx = trk.vx();
double secvy = trk.vy();
TVector3 ptosvec(secvx-bestvx,secvy-bestvy,secvz-bestvz);
TVector3 secvec(la_px,la_py,la_pz);
double agl = cos(secvec.Angle(ptosvec));
//Decay length
typedef ROOT::Math::SMatrix<double, 3, 3, ROOT::Math::MatRepSym<double, 3> > SMatrixSym3D;
typedef ROOT::Math::SVector<double, 3> SVector3;
SMatrixSym3D totalCov = vtx.covariance() + trk.vertexCovariance();
SVector3 distanceVector(secvx-bestvx,secvy-bestvy,secvz-bestvz);
double dl = ROOT::Math::Mag(distanceVector);
double dlerror = sqrt(ROOT::Math::Similarity(totalCov, distanceVector))/dl;
double dlos = dl/dlerror;
//NumberofValidHits for two daughters"
double dau1_Nhits = dau1->numberOfValidHits();
double dau2_Nhits = dau2->numberOfValidHits();
//DCA
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzbest1 = dau1->dz(bestvtx);
double dxybest1 = dau1->dxy(bestvtx);
double dzerror1 = sqrt(dau1->dzError()*dau1->dzError()+bestvzError*bestvzError);
double dxyerror1 = sqrt(dau1->d0Error()*dau1->d0Error()+bestvxError*bestvyError);
double dzos1 = dzbest1/dzerror1;
double dxyos1 = dxybest1/dxyerror1;
double dzbest2 = dau2->dz(bestvtx);
double dxybest2 = dau2->dxy(bestvtx);
double dzerror2 = sqrt(dau2->dzError()*dau2->dzError()+bestvzError*bestvzError);
double dxyerror2 = sqrt(dau2->d0Error()*dau2->d0Error()+bestvxError*bestvyError);
double dzos2 = dzbest2/dzerror2;
double dxyos2 = dxybest2/dxyerror2;
for(unsigned it = 0; it < tracks->size(); it++){
const reco::Track & trk = (*tracks)[it];
math::XYZPoint bestvtx(bestvx,bestvy,bestvz);
double dzvtx = trk.dz(bestvtx);
double dxyvtx = trk.dxy(bestvtx);
double dzerror = sqrt(trk.dzError()*trk.dzError()+bestvzError*bestvzError);
double dxyerror = sqrt(trk.d0Error()*trk.d0Error()+bestvxError*bestvyError);
if(!trk.quality(reco::TrackBase::highPurity)) continue;
if(fabs(trk.ptError())/trk.pt()>0.10) continue;
if(fabs(dzvtx/dzerror) > 3) continue;
if(fabs(dxyvtx/dxyerror) > 3) continue;
//ntrack selection:
if ( fabs(trk.eta()) > 2.4 || trk.pt() < 0.4 ) continue;
trkPt->Fill( trk.pt() );
if ( trk.pt() > 10 ) continue;
double pt = trk.pt();
double eta = trk.eta();
double phi = trk.phi();
double delta_la_eta = (eta) - (la_eta);
double delta_la_phi = (phi) - (la_phi);
double LAconeSize = 0.0;
LAconeSize = deltaR(delta_la_phi, delta_la_eta);
if ( LAconeSize < 0.3 ){
etaPhiPair mPair;
mPair.eta = -eta;
mPair.phi = phi;
fakeTrack.push_back( mPair );
if ( dau1_Nhits > 3 && dau2_Nhits > 3 && dlos > 5 && agl > 0.999 && TMath::Abs(dzos1) > 1 && TMath::Abs(dzos2) > 1 && TMath::Abs(dxyos1) > 1 && TMath::Abs(dxyos2) > 1)
{
if (la_pt > 0.7 && la_pt < 1.0)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[0]->Fill(la_mass);
}
if (la_pt > 1.0 && la_pt < 1.4)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[1]->Fill(la_mass);
}
if (la_pt > 1.4 && la_pt < 1.8)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[2]->Fill(la_mass);
}
if (la_pt > 1.8 && la_pt < 2.2)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[3]->Fill(la_mass);
}
if (la_pt > 2.2 && la_pt < 2.8)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[4]->Fill(la_mass);
}
if (la_pt > 2.8 && la_pt < 3.6)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
double temp_e = Mass_e(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);
if ( temp < 0.5076 && temp > 0.4876 ) continue;
if ( temp_e < 0.015511) continue;
InvMass_1_la[5]->Fill(la_mass);
}
if (la_pt > 3.6 && la_pt < 4.6)
{
double temp = Mass_la(px_dau1,py_dau1,pz_dau1,px_dau2,py_dau2,pz_dau2);