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#define skim_cxx
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#include "skim.h"
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#include <TH2.h>
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#include <THStack.h>
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#include <TStyle.h>
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#include <TCanvas.h>
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#include <TMath.h>
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#include <TMultiGraph.h>
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#include <TGraphErrors.h>
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#include <TCanvas.h>
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#include "Math/GSLIntegrator.h"
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#include "Math/WrappedTF1.h"
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#include <iostream>
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#include <TLegend.h>
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#include <TPaveStats.h>
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#include <TTree.h>
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// Output file
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// New
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// TString fileName = "skimmed226/QCDbin123_NewRelIso_0053.root";
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// TString fileName = "skimmed226/QCDbin4_NewRelIso_rebin3_TandL.root";
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// TString fileName = "skimmed226/QCDbin4_NewRelIso_wErrors_TandL.root";
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// Old
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TString fileName = "skimmed226/QCDbin4_OldRelIso_rebin3_wErrors_TandL.root";
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// TString fileName = "skimmed226/QCDbin4_OldRelIso_rebin1_FastSim_095.root";
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bool FastSim = false;
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// Select New or Old reliso:
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TString isoname = "Old";
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// Jet bin:
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Int_t jbin = 4; // 1-3, 4 for >=4. Put in number less than 5; 0 for all jets, 5 for 1-3
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double binwidth = 0.005; // 0.02,0.02,0.05,0.1 for New RelIso
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// Which region (true for CD or false for AB)
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bool regionCD = false;
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double d0sigCut = 3.; // 3.
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// Histo range
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double xMin = 0.0;
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double xMax = 0.0;
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Int_t fjbin;
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Double_t fna; // Num of QCD events in signal region
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Double_t fna1; // Num of QCD events in signal region
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int nbin;
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void skim::Loop()
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{
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// In a ROOT session, you can do:
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// Modify jbin, binwidth, wxmin, wxmax
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// Root > .L skim.C++
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// Root > skim t
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// Root > t.GetEntry(12); // Fill t data members with entry number 12
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// Root > t.Show(); // Show values of entry 12
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// Root > t.Show(16); // Read and show values of entry 16
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// Root > t.Loop(); // Loop on all entries
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if ( isoname.Contains("Old") ) {
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xMax = 1+binwidth;
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nbin = (1.0-xMin)/binwidth+1;
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}
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else if ( isoname.Contains("New") ) {
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xMax = 2.0;
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nbin = (xMax-xMin)/binwidth;
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}
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else {
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cout << "No Rel Iso defined!" << endl;
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return;
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}
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cout << "nbin for histo = " << nbin << endl;
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if ( regionCD ) cout << "==> Selecting Region CD." << endl;
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TTree *ftree = new TTree("myTree","myTree");
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ftree->AutoSave();
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ftree->Branch("jbin",&fjbin,"jbin/I");
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ftree->Branch("na",&fna,"na/D");
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ftree->Branch("na1",&fna1,"na1/D");
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ftree->SetBranchAddress("jbin",&fjbin);
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ftree->SetBranchAddress("na",&fna);
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ftree->SetBranchAddress("na1",&fna1);
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TH1D *h_RelIso_ttbar = new TH1D("h_RelIso_ttbar","h_RelIso_ttbar",nbin,xMin,xMax);
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TH1D *h_RelIso_qcd = new TH1D("h_RelIso_qcd","h_RelIso_qcd",nbin,xMin,xMax);
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TH1D *h_RelIso_wjets = new TH1D("h_RelIso_wjets","h_RelIso_wjets",nbin,xMin,xMax);
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TH1D *h_RelIso_zjets = new TH1D("h_RelIso_zjets","h_RelIso_zjets",nbin,xMin,xMax);
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TH1D *h_RelIso_all = new TH1D("h_RelIso_all","h_RelIso_all",nbin,xMin,xMax);
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h_RelIso_ttbar->Sumw2();
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h_RelIso_qcd->Sumw2();
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h_RelIso_wjets->Sumw2();
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h_RelIso_zjets->Sumw2();
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// define fit region:
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double AX0 = 0.;
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double AXf = 0.;
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double LooseCut = 0.;
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cout<<"Use "<<isoname<<" RelIso"<<endl;
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if ( isoname.Contains("Old") ) {
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// old
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AX0 = 0.95;
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AXf = 1.0;
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LooseCut = 0.9;
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}
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else if ( isoname.Contains("New") ) {
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// new
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AX0 = 0.0;
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AXf = 0.053; // Tight: 0.053
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LooseCut = 0.11; // Loose: 0.11
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}
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// Weights:
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double wttbar,wqcd,wwjets,wzjets;
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wttbar = wqcd = wwjets = wzjets = 0.;
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if ( ! FastSim ) {
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cout << "Full sim sample weights used " << endl;
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// Full Sim
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wttbar = 0.0101;
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wqcd = 0.3907;
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wwjets = 0.0883;
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wzjets = 0.0744;
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}
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else {
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// Fast Sim
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cout << "Fast sim sample weights used " << endl;
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wttbar = 0.0008;
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wqcd = 0.676;
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wwjets = 0.0091;
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wzjets = 0.0094;
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}
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// Na = num of qcd in signal region
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double Na[2] = {0.,0.};
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double Nttbar[2] = {0.,0.};
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double NWjets[2] = {0.,0.};
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double NZjets[2] = {0.,0.};
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double Nqcd[2] = {0.,0.};
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double reliso = 0.0;
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if (fChain == 0) return;
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Long64_t nentries = fChain->GetEntriesFast();
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Long64_t nbytes = 0, nb = 0;
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for (Long64_t jentry=0; jentry<nentries;jentry++) {
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Long64_t ientry = LoadTree(jentry);
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if (ientry < 0) break;
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nb = fChain->GetEntry(jentry); nbytes += nb;
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// if (Cut(ientry) < 0) continue;
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bool signalRegion1 = false; // Is tight
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bool signalRegion2 = false; // Is loose
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TString filename(fChain->GetCurrentFile()->GetName());
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if (isoname.Contains("Old")) {
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reliso = top_muon_old_reliso[0];
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if ( reliso > AX0 ) signalRegion1 = true;
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if ( reliso > LooseCut ) signalRegion2 = true;
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}
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else if (isoname.Contains("New")) {
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reliso = top_muon_new_reliso[0];
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if ( reliso < AXf ) signalRegion1 = true;
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if ( reliso < LooseCut ) signalRegion2 = true;
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}
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else {
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cout<<"No RelIso defined!!!"<<endl;
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return;
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}
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double d0sig = TMath::Abs(top_muon_d0[0])/top_muon_d0Error[0];
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bool correctBin = false; // jet bin condition
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bool goodD0sig = false; // d0sig condition
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if ( jbin > 5 ) {cout<<"Don't mess around!!! jbin should be less than 5!"<<endl;return;}
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if ( jbin == 0 ){
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if ( top_njets > jbin ) { correctBin = true; }
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}
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else if ( jbin == 5 ){
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if ( top_njets > 0 && top_njets <= 3 ) { correctBin = true; }
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}
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else if ( jbin == 4 ){
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if ( top_njets >= jbin ) { correctBin = true; }
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}
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else {
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if ( top_njets == jbin ) { correctBin = true; }
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}
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if ( !regionCD && (d0sig < d0sigCut) ) goodD0sig = true;
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if ( regionCD && (d0sig > d0sigCut) ) goodD0sig = true;
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// Counting
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if( correctBin && goodD0sig ) {
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if ( filename.Contains("TT") ) {
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h_RelIso_ttbar->Fill(reliso);
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if ( signalRegion1 ) { Nttbar[0] += wttbar; }
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if ( signalRegion2 ) { Nttbar[1] += wttbar; }
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}
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if ( filename.Contains("Mu") ) {
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h_RelIso_qcd->Fill(reliso);
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if ( signalRegion1 ) { Na[0] += wqcd; Nqcd[0] += wqcd; } // QCD in signal region
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if ( signalRegion2 ) { Na[1] += wqcd; Nqcd[1] += wqcd; } // QCD in signal region
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}
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if ( filename.Contains("WJets") ) {
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h_RelIso_wjets->Fill(reliso);
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if ( signalRegion1 ) { NWjets[0] += wwjets; }
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if ( signalRegion2 ) { NWjets[1] += wwjets; }
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}
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if ( filename.Contains("ZJets") ) {
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h_RelIso_zjets->Fill(reliso);
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if ( signalRegion1 ) { NZjets[0] += wzjets; }
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if ( signalRegion2 ) { NZjets[1] += wzjets; }
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}
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}
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}
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fjbin=jbin;
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fna=Na[0];
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fna1=Na[1];
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ftree->Fill();
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cout << "\n";
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if (isoname.Contains("New"))
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cout << " Tight Cut: " << AXf << endl;
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else if (isoname.Contains("Old"))
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cout << " Tight Cut: " << AX0 << endl;
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cout << " N ttbar = " << Nttbar[0] << endl;
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cout << " N qcd = " << Nqcd[0] << endl;
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cout << " N Wjets = " << NWjets[0] << endl;
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cout << " N Zjets = " << NZjets[0] << endl << endl;
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cout << "=========================" << endl;
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cout << "\n";
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cout << " Loose Cut: " << LooseCut << endl;
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cout << " N ttbar = " << Nttbar[1] << endl;
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cout << " N qcd = " << Nqcd[1] << endl;
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cout << " N Wjets = " << NWjets[1] << endl;
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cout << " N Zjets = " << NZjets[1] << endl << endl;
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TFile *file0 = new TFile(fileName,"RECREATE");
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file0->mkdir("histos");
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file0->mkdir("hstack");
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file0->cd("histos");
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TCanvas *cv1 = new TCanvas("cv1","cv1",800,600);
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THStack *hs = new THStack("hs","RelIso (stacked)");
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// Take care of scaling
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h_RelIso_qcd->Scale(wqcd);
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h_RelIso_wjets->Scale(wwjets);
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h_RelIso_zjets->Scale(wzjets);
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h_RelIso_ttbar->Scale(wttbar);
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// Save for later use
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h_RelIso_ttbar->Write();
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h_RelIso_qcd->Write();
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h_RelIso_wjets->Write();
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h_RelIso_zjets->Write();
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h_RelIso_qcd->SetXTitle("Combined Relative Isolation");
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h_RelIso_qcd->SetLineColor(40);
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h_RelIso_qcd->SetFillStyle(3018);
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h_RelIso_qcd->SetFillColor(38);
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hs->Add(h_RelIso_qcd);
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h_RelIso_wjets->SetMarkerColor(4);
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h_RelIso_wjets->SetLineColor(4);
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h_RelIso_wjets->SetFillColor(4);
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hs->Add(h_RelIso_wjets);
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h_RelIso_zjets->SetMarkerColor(5);
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h_RelIso_zjets->SetLineColor(5);
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h_RelIso_zjets->SetFillColor(5);
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hs->Add(h_RelIso_zjets);
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h_RelIso_ttbar->SetMarkerColor(2);
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h_RelIso_ttbar->SetLineColor(2);
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h_RelIso_ttbar->SetFillColor(2);
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h_RelIso_ttbar->GetXaxis()->SetTitle("RelIso");
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hs->Add(h_RelIso_ttbar);
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hs->Draw();
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if ( isoname.Contains("New") )
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hs->GetXaxis()->SetTitle("RelIso'");
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else if ( isoname.Contains("Old") )
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hs->GetXaxis()->SetTitle("RelIso");
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hs->GetYaxis()->SetTitle("Events");
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hs->GetXaxis()->SetLabelFont(62);
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hs->GetXaxis()->SetTitleFont(22);
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hs->GetXaxis()->SetTitleSize(0.04);
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hs->GetYaxis()->SetLabelFont(62);
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hs->GetYaxis()->SetTitleFont(62);
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hs->GetYaxis()->SetTitleSize(0.04);
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// Label histo
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TLegend * leg0 = new TLegend(0.65,0.6,0.85,0.8);
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leg0->SetFillColor(0);
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leg0->SetFillStyle(0);
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leg0->AddEntry(h_RelIso_ttbar,"t#bar{t}");
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leg0->AddEntry(h_RelIso_qcd,"QCD (MuPt15) ");
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leg0->AddEntry(h_RelIso_wjets,"W+jets");
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leg0->AddEntry(h_RelIso_zjets,"Z+jets");
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leg0->Draw();
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h_RelIso_all->Add(h_RelIso_ttbar,1.);
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h_RelIso_all->Add(h_RelIso_qcd,1.);
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h_RelIso_all->Add(h_RelIso_wjets,1.);
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h_RelIso_all->Add(h_RelIso_zjets,1.);
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h_RelIso_all->Write();
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h_RelIso_all->SetLineWidth(2);
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if( jbin == 4)
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h_RelIso_all->SetTitle( isoname+" RelIso distribution (#geq 4 jets)");
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else if ( jbin < 4 ) {
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TString title = isoname+" RelIso distribution (";
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title += jbin;
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title += " jets)";
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h_RelIso_all->SetTitle(title);
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}
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else if ( jbin == 5 ) {
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h_RelIso_all->SetTitle( isoname+" RelIso distribution (#geq 1 jets (up to 3 jets))");
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}
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else {
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cout<<"Don't mess around!!! jbin should be less than 6!"<<endl;
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return;
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}
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h_RelIso_all->SetMinimum(0);
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file0->cd("hstack");
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hs->Write();
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file0->cd();
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ftree->Write();
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file0->Close();
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}
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|
