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HH4bAna_v2.C
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HH4bAna_v2.C
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#define HH4bAna_v2_cxx
#include "HH4bAna_v2.h"
#include <TH2.h>
#include <TStyle.h>
#include <TLorentzVector.h>
#include <TCanvas.h>
#include <iostream>
void HH4bAna_v2::Loop()
{
// In a ROOT session, you can do:
// Root > .L HH4bAna_v2.C
// Root > HH4bAna_v2 t
// Root > t.GetEntry(12); // Fill t data members with entry number 12
// Root > t.Show(); // Show values of entry 12
// Root > t.Show(16); // Read and show values of entry 16
// Root > t.Loop(); // Loop on all entries
//
// This is the loop skeleton where:
// jentry is the global entry number in the chain
// ientry is the entry number in the current Tree
// Note that the argument to GetEntry must be:
// jentry for TChain::GetEntry
// ientry for TTree::GetEntry and TBranch::GetEntry
//
// To read only selected branches, Insert statements like:
// METHOD1:
// fChain->SetBranchStatus("*",0); // disable all branches
// fChain->SetBranchStatus("branchname",1); // activate branchname
// METHOD2: replace line
// fChain->GetEntry(jentry); //read all branches
//by b_branchname->GetEntry(ientry); //read only this branch
TFile* Output = new TFile("Outfile.root", "RECREATE");
Output->cd();
TH1D* hnjets = new TH1D("hnjets","N jets", 6, -0.5, 5.5);
TH1D* hmassGR = new TH1D("hmassGR","Graviton Mass", 60, 500, 3500);
TH1D* hdetaGR = new TH1D("hdetaGR","Graviton cos theta*", 20, 0, 2);
TH1D* hmassJet0 = new TH1D("hmassJet1","Jet1 Pruned Mass", 40, 0, 200);
TH1D* hmassJet1 = new TH1D("hmassJet2","Jet2 Pruned Mass", 40, 0, 200);
// Jet Id
TH1D* h_jetAK8_nhf = new TH1D("h_jetAK8_nhf" , "Neutral hadron fraction", 40, 0. , 2.) ;
TH1D* h_jetAK8_chf = new TH1D("h_jetAK8_chf" , "Charged hadron fraction", 40, 0. , 2.) ;
TH1D* h_jetAK8_phf = new TH1D("h_jetAK8_phf" , "Photon fraction" , 40, 0. , 2.) ;
TH1D* h_jetAK8_emf = new TH1D("h_jetAK8_cef" , "Charged em fraction" , 40, 0. , 2.) ;
TH1D* h_jetAK8_muf = new TH1D("h_jetAK8_muf" , "Muon fraction" , 40, 0. , 2.) ;
TH1D* h_jetAK8_nconst = new TH1D("h_jetAK8_nconst", "No. of constituents" , 40, -0.5, 40.5) ;
TH1D* h_nsj_GR = new TH1D("h_nsj_GR", "No. of subjets in 2 leading jets" , 7, -0.5, 6.5) ;
TH1D* h_nsj_csvl_GR = new TH1D("h_nsj_csvl_GR", "No. of subjets in 2 leading jets that are b-tagged" , 7, -0.5, 6.5) ;
TH1D* h_jetAK8_tau21_0 = new TH1D("h_jetAK8_tau21_0" , "tau21 for jet 0", 10, 0., 1.) ;
TH1D* h_jetAK8_tau21_1 = new TH1D("h_jetAK8_tau21_1" , "tau21 for jet 1", 10, 0., 1.) ;
if (fChain == 0) return;
Long64_t nentries = fChain->GetEntriesFast();
Long64_t nbytes = 0, nb = 0;
for (Long64_t jentry=0; jentry<nentries;jentry++) {
Long64_t ientry = LoadTree(jentry);
if (ientry < 0) break;
nb = fChain->GetEntry(jentry); nbytes += nb;
// if (Cut(ientry) < 0) continue;
double njetsAK8 = jetAK8_N;
if (jentry%1000 == 0) std::cout << "njets = " << njetsAK8 << std::endl;
if (njetsAK8 < 2) continue;
TLorentzVector jetp4_1 ;
jetp4_1.SetPtEtaPhiM(jetAK8_pt->at(0), jetAK8_eta->at(0), jetAK8_phi->at(0), jetAK8_mass->at(0));
TLorentzVector jetp4_2 ;
jetp4_2.SetPtEtaPhiM(jetAK8_pt->at(1), jetAK8_eta->at(1), jetAK8_phi->at(1), jetAK8_mass->at(1));
bool b_jetId_0 = jetAK8_IDTight->at(0);
bool b_jetId_1 = jetAK8_IDTight->at(1);
bool b_jetId = b_jetId_0 && b_jetId_1;
if (jentry%1000 == 0) cout << b_jetId_0 << endl;
bool b_phase_space_jets = ( fabs(jetp4_1.Eta()) < 2.4 ) && ( fabs(jetp4_2.Eta()) < 2.4 ) && ( jetp4_1.Pt() > 200 ) && ( jetp4_2.Pt() > 200);
TLorentzVector jetp4_GR = jetp4_1 + jetp4_2;
double dEta = jetp4_1.Eta() - jetp4_2.Eta();
double mass = jetp4_GR.M();
bool b_CosThetaStar = fabs(dEta) < 1.3;
if ( !b_jetId || !b_phase_space_jets || !b_CosThetaStar ) continue;
double m0 = jetAK8_pruned_mass->at(0);
double m1 = jetAK8_pruned_mass->at(1);
bool massSelect0 = m0 < 145 && m0 > 105;
bool massSelect1 = m1 < 145 && m1 > 105;
int nsj_csvl = 0;
int nsj = 0;
for (int ijet = 0; ijet < 2; ijet++){
if (subjetAK8_softdrop_N->at(ijet) != 2) continue;
for (int isj = 0; isj < subjetAK8_softdrop_N->at(ijet); isj++){
vector<float> vcsv = subjetAK8_softdrop_csv->at(ijet);
float csv = vcsv[isj];
if (csv > 0.605) nsj_csvl++;
nsj++;
}
}
double tau21_0 = jetAK8_tau2->at(0)/jetAK8_tau1->at(0);
double tau21_1 = jetAK8_tau2->at(1)/jetAK8_tau1->at(1);
h_nsj_GR->Fill(nsj);
h_nsj_csvl_GR->Fill(nsj_csvl);
h_jetAK8_tau21_0->Fill(tau21_0);
h_jetAK8_tau21_1->Fill(tau21_1);
// fill Histos
// if (!massSelect0 || !massSelect1) continue;
hnjets->Fill(njetsAK8);
hdetaGR->Fill(fabs(dEta));
hmassGR->Fill(jetp4_GR.M());
for (int ijet = 0; ijet < 2; ++ijet) {
h_jetAK8_nhf -> Fill(jetAK8_nhf->at(ijet)) ;
h_jetAK8_chf -> Fill(jetAK8_chf->at(ijet)) ;
h_jetAK8_emf -> Fill(jetAK8_emf->at(ijet)) ;
h_jetAK8_phf -> Fill(jetAK8_phf->at(ijet)) ;
h_jetAK8_muf -> Fill (jetAK8_muf->at(ijet)) ;
h_jetAK8_nconst -> Fill (jetAK8_cm->at(ijet) + jetAK8_nm->at(ijet)) ;
hmassJet0 -> Fill(m0);
hmassJet1 -> Fill(m1);
}
}
TCanvas* Canv = new TCanvas();
Canv->cd();
hnjets->Draw();
Canv->SaveAs("njets.png");
Canv->Clear();
hmassGR->Draw();
Canv->SaveAs("massGR.png");
Canv->Clear();
hdetaGR->Draw();
Canv->SaveAs("detaGR.png");
Output->Write();
Output->Close();
}