+++ /dev/null
-// E. Sicking, CERN
-// macro for analysing output of AliAnalysisTaskHardSoft
-
-void plotSignalBackground(){
-
- gROOT->SetStyle("Plain");
- gStyle->SetOptStat(0);
- gStyle->SetPalette(1);
-
- Float_t piHalf = TMath::Pi()/2.;
-
- TFile *file0 = TFile::Open(Form("Clean.root"));
- TList *l1 = (TList *)file0->Get("HardSoftHists");
-
-
- //histograms with entries how often a trigger particle
- //is found at given Nch
- TH1F *trigger = (TH1F*)l1->FindObject("fTriggerESD");
- TCanvas * c0= new TCanvas("c0", "c0", 100, 100, 620, 480);
- c0->cd();
- trigger->Draw();
- // for(Int_t i=0;i<100;i++){
- // cout << i << " : "<< trigger->GetBinContent(i+1) << endl;
- // }
-
-
- //delta phi histograms for each Nch bin
- TH1D *dp[100];
- TF1 *f[100]; // fit function for background region around pi/2
- Float_t fAtPiHalf[100]; // value f(pi/2)
-
- for(Int_t i=0;i<100;i++){
- dp[i]= (TH1D*)l1->FindObject(Form("fDPhiLeadingNchBinESD%02d",i));
- //normalize to number of triggers
- if(dp[i]->GetEntries()>0)dp[i]->Scale(1./trigger->GetBinContent(i+1));
-
- //define fit function
- f[i]= new TF1(Form("fun%2d",i), "pol2", TMath::Pi()/2-1, TMath::Pi()/2+1);
- f[i]->SetLineColor(kRed);
- fAtPiHalf[i]=0;
-
- }
-
- TGraphErrors *tge = new TGraphErrors(); // of side band = background
- tge->SetMarkerStyle(4);
- tge->SetMarkerColor(kRed);
- tge->SetLineColor(kRed);
-
- TGraphErrors *tgeSignal = new TGraphErrors(); //integral of dphi<0.7
- tgeSignal->SetMarkerStyle(4);
- tgeSignal->SetMarkerColor(kBlue);
- tgeSignal->SetLineColor(kBlue);
-
- TGraphErrors *tgeSignalWOB = new TGraphErrors();//integral of dphi<0.7
- //- background
- tgeSignalWOB->SetMarkerStyle(4);
- tgeSignalWOB->SetMarkerColor(kGreen);
- tgeSignalWOB->SetLineColor(kGreen);
-
-
-
- TCanvas * c= new TCanvas("c", "c", 150, 150, 820, 620);
- c->Divide(7,7);
- for(Int_t i=0;i<49;i++){
- c->cd(i+1);
- if(dp[i]->GetEntries()>0) {
- dp[i]->Fit(f[i],"R");
- dp[i]->SetMinimum(0);
- }
-
- // get value of fit function at pi/2 -> side band
- fAtPiHalf[i]=f[i]->Eval(piHalf,0,0);
-
- Double_t integral07=dp[i]->Integral(1,40);// bin 40 -> dphi=07
-
-
-
- Float_t radius=0.7;
- Float_t DeltaPhiBinWith = TMath::Pi()/180.;
- Float_t bkgSampleSize = DeltaPhiBinWith*1.8;
- Float_t halfCircle = TMath::Pi()*(radius)*(radius)/2;
- Float_t akzeptanz =0.8;
- Float_t ratio= akzeptanz*halfCircle/bkgSampleSize;
-
-
- tge->SetPoint(i,i,fAtPiHalf[i] ); //side band
- tgeSignal->SetPoint(i,i, integral07); // integral
- tgeSignalWOB->SetPoint(i,i, integral07-fAtPiHalf[i]*40);//integral - bkg
-
-
- }
-
-
- //define legend
- TLegend *legp;
- TF1 *fun1p;
- TF1 *fun2p;
- TF1 *fun3p;
- TF1 *fun4p;
- TF1 *fun5p;
- fun1p= new TF1("fun1p","gaus",-5.0,5.0);
- fun2p= new TF1("fun2p","gaus",-5.0,5.0);
- fun3p= new TF1("fun3p","gaus",-5.0,5.0);
- fun4p= new TF1("fun4p","gaus",-5.0,5.0);
- fun5p= new TF1("fun5p","gaus",-5.0,5.0);
- fun1p->SetMarkerColor(kBlue);
- fun1p->SetMarkerStyle(4);
- fun2p->SetMarkerColor(kGreen);
- fun2p->SetMarkerStyle(4);
- fun3p->SetMarkerColor(kMagenta);
- fun3p->SetMarkerStyle(4);
- fun4p->SetMarkerColor(kRed);
- fun4p->SetMarkerStyle(4);
- legp= new TLegend(0.1,0.7,0.75,0.9);
- legp->SetFillColor(kWhite);
- legp->AddEntry(fun1p,"integral dphi<0.7","p");
- legp->AddEntry(fun4p,"background in side band","p");
- legp->AddEntry(fun2p,"integral dphi<0.7 - background","p");
- legp->AddEntry(fun5p,"Ntracks around trigger in R<0.7","l");
- legp->AddEntry(fun3p,"Ntracks around trigger in R<0.7 - background","p");
-
-
- //define histogram with name of axes
- TCanvas * c1= new TCanvas("c1", "c1", 200, 200, 620, 480);
- c1->cd();
- TH1F * histo = new TH1F("histo", "",100,-0.5,99.5 );
- histo->SetMaximum(10);
- histo->SetMinimum(0.01);
- histo->GetXaxis()->SetRangeUser(0,50);
- histo->SetXTitle("N_{charge}");
- histo->SetTitle("");
- histo->SetYTitle("");
- histo->Draw();
- legp->Draw();
-
- //draw output
- tgeSignal->Draw("p");
- tge->Draw("p");
- tgeSignalWOB->Draw("p");
-
-
- //number of associate particles within R<0.7 around trigger
- TProfile *pSignal= (TProfile*)l1->FindObject("fNchAssInRESD");
- pSignal->Draw("same");
-
- TGraphErrors *t = new TGraphErrors();
- t->SetMarkerStyle(4);
- t->SetMarkerColor(kMagenta);
- t->SetLineColor(kMagenta);
- t->SetLineStyle(2);
- for(Int_t i=0;i<49;i++){
- t->SetPoint(i,i,pSignal->GetBinContent(i+1)-fAtPiHalf[i]*ratio);
- }
-
- t->Draw("p");
-
- // TCanvas * c5= new TCanvas("c5", "c5", 300, 300, 620, 480);
- // c5->cd();
- // t->Draw("ap");
-
- // TCanvas * c6= new TCanvas("c6", "c6", 400, 400, 620, 480);
- // c6->cd();
- // tge->Draw("ap");
-
-}