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{ gROOT->SetStyle("Plain");
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gStyle->SetOptStat(0000);
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gStyle->SetPalette(1);
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TChain ch_ttbar("mva/ttljets");
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//TChain ch_w("mva/ttljets");
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//TChain ch_z("mva/ttljets");
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TChain ch_w("ttljets");
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TChain ch_z("ttljets");
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TChain ch_qcd("mva/ttljets");
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ch_ttbar . Add("tjets_muon-08apr2009.root");
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//ch_w . Add("wjets_muon-08apr2009.root");
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//ch_z . Add("zjets_muon-08apr2009.root");
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ch_w . Add("wjets_muon_fastsim-23apr2009.root");
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ch_z . Add("zjets_muon_fastsim-23apr2009.root");
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ch_qcd . Add("qcd_muon-08apr2009.root");
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#include "cuts.C"
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//reversible_cut = "lepton_pt/(lepton_pt + lepton_calo_iso) > 0.9";
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//reversible_cut = "lepton_pt/(lepton_pt + lepton_track_iso) > 0.9";
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TCut nom_cut = semilep_cut && reversible_cut;
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TCut rev_cut = semilep_cut && !reversible_cut;
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//the_cut = "";
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//the_cut = cut3;
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//the_cut = cut3_rev;
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//the_cut = cut3_qcd;
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the_cut = cut4;
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double lumi = 20.0;
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double xsec_ttbar = 317.0;
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double xsec_w = 40000.0;
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double xsec_z = 3700.0;
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double xsec_qcd = 0.5091e+9;
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double eff_gen_ttbar = 1.0;
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double eff_gen_w = 1.0;
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double eff_gen_z = 1.0;
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double eff_gen_qcd = 0.000239;
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Long64_t n_processed_ttbar = 1018924;
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//Long64_t n_processed_w = 9984223; // FIXME not precise fullsim
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//Long64_t n_processed_z = 1163479; //PAT: 236345
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Long64_t n_processed_w = 101467739;
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Long64_t n_processed_z = 9679459; // PAT: 2000116
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//Long64_t n_processed_qcd = 3889924; // ~half of the processed set
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Long64_t n_processed_qcd = 6142581; // PAT: 1282829
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cout << "Selecting events..." << endl;
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TH1F h1("h1","IP",100,-0.2, 0.2);
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TH1F h2("h2","IP",100,-0.2, 0.2);
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TH1F h3("h3","IP",100,-0.2, 0.2);
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TH1F h4("h4","IP",100,-0.2, 0.2);
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h1 . SetFillColor(2);
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h2 . SetFillColor(3);
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h2 . SetFillColor(4);
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h2 . SetFillColor(5);
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TCanvas c("canvas", "canvas", 800, 400);
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c.GetPad(0)->SetLogy(1);
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Long64_t n_selected_ttbar = ch_ttbar -> Draw("lepton_d0>>h1", the_cut);
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Long64_t n_selected_w = ch_w -> Draw("lepton_d0>>h2", the_cut);
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Long64_t n_selected_z = ch_z -> Draw("lepton_d0>>h3", the_cut);
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Long64_t n_selected_qcd = ch_qcd -> Draw("lepton_d0>>h4", the_cut);
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double eff_sel_ttbar = (double)n_selected_ttbar/(double)n_processed_ttbar;
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double eff_sel_w = (double)n_selected_w/(double)n_processed_w;
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double eff_sel_z = (double)n_selected_z/(double)n_processed_z;
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double eff_sel_qcd = (double)n_selected_qcd/(double)n_processed_qcd;
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double n_expected_ttbar = xsec_ttbar * eff_gen_ttbar * eff_sel_ttbar * lumi;
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double n_expected_w = xsec_w * eff_gen_w * eff_sel_w * lumi;
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double n_expected_z = xsec_z * eff_gen_z * eff_sel_z * lumi;
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double n_expected_qcd = xsec_qcd * eff_gen_qcd * eff_sel_qcd * lumi;
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double n_expected_all = n_expected_ttbar + n_expected_w + n_expected_z + n_expected_qcd;
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double n_expected_phys = n_expected_ttbar + n_expected_w + n_expected_z;
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/*
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TH1F h_id("h_id","Track Isolation",60,0, 60);
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h_id . SetFillColor(2);
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TH1F h_calo_iso("h_calo_iso","Calorimeter Isolation",100,0, 6);
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TH1F h_calo_iso_2("h_calo_iso_2","Calorimeter Isolation",100,0, 6);
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h_calo_iso . SetFillColor(2);
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h_calo_iso_2 . SetFillColor(3);
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TH1F h_apl("h_apl","Aplanarity",100,0, 0.5);
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TH1F h_apl_2("h_apl_2","Aplanarity",100,0, 0.5);
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h_apl . SetFillColor(2);
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h_apl_2 . SetFillColor(3);
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TH1F h_et3("h_et3","Et3",100,0, 300);
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TH1F h_et3_2("h_et3_2","Et3",100,0, 300);
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h_et3 . SetFillColor(2);
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h_et3_2 . SetFillColor(3);
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TH1F h_ht2p("h_ht2p","Ht2p",100,0, 3);
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TH1F h_ht2p_2("h_ht2p_2","Ht2p",100,0, 3);
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h_ht2p . SetFillColor(2);
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h_ht2p_2 . SetFillColor(3);
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TH1F h_sphericity("h_sphericity","Sphericity",100,0, 1);
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TH1F h_sphericity_2("h_sphericity_2","Sphericity",100,0, 1);
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h_sphericity . SetFillColor(2);
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h_sphericity_2 . SetFillColor(3);
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//TCanvas c("canvas", "canvas", 770, 595);
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//chain . Draw("process_id>>h_id", weight);
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//chain . Draw("process_id>>h_id_2", weight*sig_cut, "same");
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h_id . SetMarkerSize(1.5);
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chain . Draw("process_id>>h_id", weight, "TEXT");
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*/
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}
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