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AfbRecoLevel2Dttrapidity2.cxx
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AfbRecoLevel2Dttrapidity2.cxx
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/// Script for plotting Afb variables at the reco level
// S. Jindariani, J.Linacre, Y.Tu
#include <iostream>
using std::cout;
using std::endl;
#include "TRandom3.h"
#include "TH1D.h"
#include "TStyle.h"
#include "TFile.h"
#include "TTree.h"
#include "TCanvas.h"
#include "TMatrixD.h"
#include "TChain.h"
#include "TLegend.h"
#include "TColor.h"
#include "THStack.h"
#include "TCut.h"
#include "TText.h"
#include "TPaveText.h"
#include "tdrStyle.C"
#include "RooUnfold/examples/AfbFinalUnfold.h"
std::string formatFloat(double x, const char* formatS) {
std::string xS = Form(Form("%s", formatS),x);
double xB = atof(xS.c_str());
if (x>0 && xB==0){
xS = Form(" %6.1g",x);
}
return xS;
}
//==============================================================================
// Global definitions
//==============================================================================
const Double_t _topScalingFactor=9097.0/9344.0;
void AfbRecoLevel2Dttrapidity2()
{
// setTDRStyle();
gStyle->SetOptFit();
gStyle->SetOptStat(0);
gStyle->SetOptTitle(0);
cout.precision(3);
TString observablename;
TString xaxislabel;
Float_t observable, ttrapidity2, absttrapidity2;
Float_t observableMinus;
Double_t weight;
Int_t Nsolns;
int nVars = 8;
for (Int_t iVar= 0; iVar < nVars; iVar++) {
Initialize2DBinningttrapidity2(iVar);
bool combineLepMinus = acceptanceName=="lepCosTheta" ? true : false;
TH1D* hData= new TH1D ("Data", "Data", nbins2D, xbins2D);
TH1D* hBkg = new TH1D ("Background", "Background", nbins2D, xbins2D);
TH1D* hTop = new TH1D ("Top", "Top", nbins2D, xbins2D);
hData->Sumw2();
hTop->Sumw2();
hBkg->Sumw2();
TChain *ch_data = new TChain("tree");
ch_data->Add("data.root");
ch_data->SetBranchAddress(observablename, &observable);
if( combineLepMinus ) ch_data->SetBranchAddress("lepMinus_costheta_cms", &observableMinus);
ch_data->SetBranchAddress("weight",&weight);
ch_data->SetBranchAddress("Nsolns",&Nsolns);
ch_data->SetBranchAddress("ttRapidity2",&ttrapidity2);
for (Int_t i= 0; i<ch_data->GetEntries(); i++) {
ch_data->GetEntry(i);
absttrapidity2=sqrt(ttrapidity2*ttrapidity2);
if ( absttrapidity2 < 900 ) { // because sevents without top mass solution have ttRapidity2 = -999
if(observablename=="lep_azimuthal_asymmetry2") observable = -cos(observable);
fillUnderOverFlow(hData, sign(observable)*absttrapidity2, weight, Nsolns);
if (combineLepMinus) {
fillUnderOverFlow(hData, sign(observableMinus)*absttrapidity2, weight, Nsolns);
}
}
}
TChain *ch_top = new TChain("tree");
ch_top->Add("ttdil.root");
ch_top->SetBranchAddress(observablename, &observable);
if( combineLepMinus ) ch_top->SetBranchAddress("lepMinus_costheta_cms", &observableMinus);
ch_top->SetBranchAddress("weight",&weight);
ch_top->SetBranchAddress("Nsolns",&Nsolns);
ch_top->SetBranchAddress("ttRapidity2",&ttrapidity2);
for (Int_t i= 0; i<ch_top->GetEntries(); i++) {
ch_top->GetEntry(i);
absttrapidity2=sqrt(ttrapidity2*ttrapidity2);
if(observablename=="lep_azimuthal_asymmetry2") observable = -cos(observable);
if ( absttrapidity2 < 900 ) { // because sevents without top mass solution have ttRapidity2 = -999
fillUnderOverFlow(hTop, sign(observable)*absttrapidity2, weight, Nsolns);
if (combineLepMinus) {
fillUnderOverFlow(hTop, sign(observableMinus)*absttrapidity2, weight, Nsolns);
}
}
}
TChain *ch_bkg = new TChain("tree");
ch_bkg->Add("ttotr.root");
ch_bkg->Add("wjets.root");
ch_bkg->Add("DYee.root");
ch_bkg->Add("DYmm.root");
ch_bkg->Add("DYtautau.root");
ch_bkg->Add("tw.root");
ch_bkg->Add("VV.root");
ch_bkg->SetBranchAddress(observablename, &observable);
if( combineLepMinus ) ch_bkg->SetBranchAddress("lepMinus_costheta_cms", &observableMinus);
ch_bkg->SetBranchAddress("weight",&weight);
ch_bkg->SetBranchAddress("Nsolns",&Nsolns);
ch_bkg->SetBranchAddress("ttRapidity2",&ttrapidity2);
for (Int_t i= 0; i<ch_bkg->GetEntries(); i++) {
ch_bkg->GetEntry(i);
absttrapidity2=sqrt(ttrapidity2*ttrapidity2);
if(observablename=="lep_azimuthal_asymmetry2") observable = -cos(observable);
if ( absttrapidity2 < 900 ) { // because sevents without top mass solution have ttRapidity2 = -999
fillUnderOverFlow(hBkg, sign(observable)*absttrapidity2, weight, Nsolns);
if( combineLepMinus ) {
fillUnderOverFlow(hBkg, sign(observableMinus)*absttrapidity2, weight, Nsolns);
}
}
}
hTop->Scale(_topScalingFactor);
TH1D* hTop_bkgAdd= (TH1D*) hTop->Clone();
hTop_bkgAdd->Add(hBkg);
//==================================================================
// ============== Print the assymetry =============================
cout<<"========= Variable:"<<observablename <<" ===================\n";
Float_t Afb, AfbErr;
const char* formatS = "%6.3f";
GetAfb(hData, Afb, AfbErr);
cout<<" Data: "<< formatFloat(Afb,formatS) <<" +/- "<< formatFloat(AfbErr,formatS)<<"\n";
GetAfb(hTop_bkgAdd, Afb, AfbErr);
cout<<" True Top: "<<formatFloat(Afb,formatS) <<" +/- "<< formatFloat(AfbErr,formatS)<<"\n";
// hData->Scale(1./hData->Integral(),"width");
// hTop->Scale(1./(hTop->Integral()+hBkg->Integral()),"width");
// hBkg->Scale(1./(hTop->Integral()+hBkg->Integral()),"width");
for (Int_t i= 1; i<=nbins2D; i++) {
hData->SetBinContent(i, hData->GetBinContent(i)/hData->GetBinWidth(i) );
hData->SetBinError(i, hData->GetBinError(i)/hData->GetBinWidth(i) );
hTop->SetBinContent(i, hTop->GetBinContent(i)/hTop->GetBinWidth(i) );
hTop->SetBinError(i, hTop->GetBinError(i)/hTop->GetBinWidth(i) );
hBkg->SetBinContent(i, hBkg->GetBinContent(i)/hBkg->GetBinWidth(i) );
hBkg->SetBinError(i, hBkg->GetBinError(i)/hBkg->GetBinWidth(i) );
}
TCanvas* c_test = new TCanvas("c_final","c_final",500,500);
c_test->SetLeftMargin(0.2);
hData->SetMinimum(0.0);
hData->SetMaximum( 2.0* hData->GetMaximum());
hData->GetXaxis()->SetTitle(xaxislabel);
hData->GetYaxis()->SetTitle("Events/"+xaxislabel+"");
hData->GetYaxis()->SetTitle("Events/"+xaxislabel+"");
hData->GetYaxis()->SetTitleOffset(1.6);
hData->SetLineWidth(lineWidth);
hTop->SetLineWidth(lineWidth);
hTop->SetMarkerSize(0.0);
hTop->SetLineColor(TColor::GetColorDark(kGreen));
hTop->SetFillColor(TColor::GetColorDark(kGreen));
hTop->SetFillStyle(3353);
hBkg->SetLineWidth(lineWidth);
hBkg->SetMarkerSize(0.0);
hBkg->SetLineColor(kYellow);
hBkg->SetFillColor(kYellow);
THStack *hs = new THStack("hs","Stacked Top+BG");
hs->Add(hBkg);
hs->Add(hTop);
hs->SetMinimum(0.0);
hs->SetMaximum( 2.0* hs->GetMaximum());
hs->Draw("hist");
hs->GetXaxis()->SetTitle(xaxislabel);
hs->GetYaxis()->SetTitle("Events/"+xaxislabel+"");
hs->GetYaxis()->SetTitle("Events/"+xaxislabel+"");
hs->GetYaxis()->SetTitleOffset(1.6);
hData->Draw("E same");
TLegend* leg1=new TLegend(0.6,0.62,0.9,0.838,NULL,"brNDC");
leg1->SetFillStyle(0);
leg1->SetEntrySeparation(100);
leg1->SetBorderSize(0);
leg1->SetTextSize(0.03);
leg1->AddEntry(hData, "Data");
leg1->AddEntry(hTop, "t#bar{t} (dileptonic)");
leg1->AddEntry(hBkg, "Background");
leg1->Draw();
TPaveText *pt1 = new TPaveText(0.19, 0.82, 0.42, 0.86, "brNDC");
pt1->SetName("pt1name");
pt1->SetBorderSize(0);
pt1->SetFillStyle(0);
TText *blah;
blah = pt1->AddText("CMS Preliminary, 5.0 fb^{-1} at #sqrt{s}=7 TeV");
blah->SetTextSize(0.035);
blah->SetTextAlign(11);
pt1->Draw();
c_test->SaveAs("2D_ttrapidity2_reco_"+acceptanceName+".pdf");
delete hData;
delete hBkg;
delete hTop;
delete hTop_bkgAdd;
}
}
#ifndef __CINT__
int main () { AfbRecoLevel(); return 0; } // Main program when run stand-alone
#endif