//
// GetHistFile
//
// Sets pointers to the scaler and random-subtracted asymmetry 3D histograms
// for a certain input file (full/empty and perp/para). Results are NOT
// dead-time corrected.
//
void GetHistFile( TFile* file, Bool_t cthflag = kFALSE)
{
Double_t pa;
TString prompt, random, scalers;
TH3D* hP;
TH3D* hR;
pa = 0.0833;
if ( cthflag == kFALSE ) {
// prompt = "PhiCMCut2P_v_ThetaCMCut2P_v_TChanCut2P";
// random = "PhiCMCut2R_v_ThetaCMCut2R_v_TChanCut2R";
prompt = "PhiCMCut1P_v_ThetaCMCut1P_v_TChanCut1P";
random = "PhiCMCut1R_v_ThetaCMCut1R_v_TChanCut1R";
}
else {
prompt = "PhiCMCut1P_v_CosThetaCMCut1P_v_TChanCut1P";
random = "PhiCMCut1R_v_CosThetaCMCut1R_v_TChanCut1R";
}
scalers = "SumScalers152to503";
hP = (TH3D*) file->Get( prompt);
hR = (TH3D*) file->Get( random);
hsc = (TH1D*) file->Get( scalers);
hS = (TH3D*) hP->Clone( "sub");
hS->Sumw2();
hS->Add( hR, -pa);
}
void bToDRawYield()
{
gStyle->SetTextSize(0.05);
gStyle->SetTextFont(42);
gStyle->SetPadRightMargin(0.04);
gStyle->SetPadLeftMargin(0.14);
gStyle->SetPadTopMargin(0.1);
gStyle->SetPadBottomMargin(0.14);
gStyle->SetTitleX(.0f);
gStyle->SetOptFit(1111);
gStyle->SetOptStat(0);
gStyle->SetOptTitle(0);
TCanvas* c4 = new TCanvas("c4","",800,600);
c4->Divide(2,2);
TCanvas* c2 = new TCanvas("c2","",400,600);
c2->Divide(1,2);
TCanvas* c1 = new TCanvas();
TCanvas* c15 = new TCanvas("c15","",810,1000);
c15->Divide(3,5);
TFile* fPbPb = new TFile("bFeedDownPbPb.hist.root");
TFile* fPbPbMB = new TFile("bFeedDownPbPbMB.hist.root");
TFile* fPbPbMC = new TFile("bFeedDownPbPbMC.hist.root");
TFile* fPbPbMBMC = new TFile("bFeedDownPbPbMBMC.hist.root");
TH3D* hDataPbPb = (TH3D*)fPbPb->Get("hData");
TH3D* hSidebandPbPb = (TH3D*)fPbPb->Get("hSideband");
TH3D* hDataPbPbMB = (TH3D*)fPbPbMB->Get("hData");
TH3D* hSidebandPbPbMB = (TH3D*)fPbPbMB->Get("hSideband");
TH3D* hPtMD0DcaPbPb = (TH3D*)fPbPb->Get("hPtMD0Dca");
TH3D* hPtMD0DcaPbPbMB = (TH3D*)fPbPbMB->Get("hPtMD0Dca");
TH3D* hMCPSignalPbPb = (TH3D*)fPbPbMC->Get("hMCPSignal");
TH3D* hMCNPSignalPbPb = (TH3D*)fPbPbMC->Get("hMCNPSignal");
TH3D* hMCPSignalPbPbMB = (TH3D*)fPbPbMBMC->Get("hMCPSignal");
TH3D* hMCNPSignalPbPbMB = (TH3D*)fPbPbMBMC->Get("hMCNPSignal");
TH3D* hPtMD0DcaMCPSignalPbPb = (TH3D*)fPbPbMC->Get("hPtMD0DcaMCPSignal");
TH3D* hPtMD0DcaMCPSwappedPbPb = (TH3D*)fPbPbMC->Get("hPtMD0DcaMCPSwapped");
TH3D* hPtMD0DcaMCPSignalPbPbMB =(TH3D*)fPbPbMBMC->Get("hPtMD0DcaMCPSignal");
TH3D* hPtMD0DcaMCPSwappedPbPbMB = (TH3D*)fPbPbMBMC->Get("hPtMD0DcaMCPSwapped");
TH3D* hData = (TH3D*)hDataPbPb->Clone("hData");
hData->Sumw2();
hData->Add(hDataPbPbMB);
TH3D* hSideband = (TH3D*)hSidebandPbPb->Clone("hSideband");
hSideband->Sumw2();
hSideband->Add(hSidebandPbPbMB);
TH3D* hPtMD0Dca = (TH3D*)hPtMD0DcaPbPb->Clone("hPtMD0Dca");
hPtMD0Dca->Sumw2();
hPtMD0Dca->Add(hPtMD0DcaPbPbMB);
TH3D* hMCPSignal = (TH3D*)hMCPSignalPbPb->Clone("hMCPSignal");
hMCPSignal->Sumw2();
hMCPSignal->Add(hMCPSignalPbPbMB);
TH3D* hMCNPSignal = (TH3D*)hMCNPSignalPbPb->Clone("hMCNPSignal");
hMCNPSignal->Sumw2();
hMCNPSignal->Add(hMCNPSignalPbPbMB);
TH3D* hPtMD0DcaMCPSignal = (TH3D*)hPtMD0DcaMCPSignalPbPb->Clone("hPtMD0DcaMCPSignal");
hPtMD0DcaMCPSignal->Sumw2();
hPtMD0DcaMCPSignal->Add(hPtMD0DcaMCPSignalPbPbMB);
TH3D* hPtMD0DcaMCPSwapped =(TH3D*)hPtMD0DcaMCPSwappedPbPb->Clone("hPtMD0DcaMCPSwapped");
hPtMD0DcaMCPSwapped->Sumw2();
hPtMD0DcaMCPSwapped->Add(hPtMD0DcaMCPSwappedPbPbMB);
TLatex* texCms = new TLatex(0.18,0.93, "#scale[1.25]{CMS} Preliminary");
texCms->SetNDC();
texCms->SetTextAlign(12);
texCms->SetTextSize(0.06);
texCms->SetTextFont(42);
TLatex* texCol = new TLatex(0.96,0.93, "PbPb #sqrt{s_{NN}} = 5.02 TeV");
texCol->SetNDC();
texCol->SetTextAlign(32);
texCol->SetTextSize(0.06);
texCol->SetTextFont(42);
const int nPtBins = 14;
float ptBins[nPtBins+1] = {2.,3.,4.,5.,6.,8.,10.,12.5,15.0,20.,25.,30.,40.,60.,100};
float pts[nPtBins];
float ptErrors[nPtBins];
float promptFraction[nPtBins];
float totalYield[nPtBins];
float totalYieldInvMassFit[nPtBins];
float totalYieldInvMassFitError[nPtBins];
float bToDYield[nPtBins];
float bToDYieldError[nPtBins];
float bToDYieldErrorDataOnly[nPtBins];
float promptDYield[nPtBins];
float promptDYieldError[nPtBins];
float promptDYieldErrorDataOnly[nPtBins];
const int nBinY = 14;
Float_t binsY[nBinY+1];
float firstBinYWidth = 0.001;
float binYWidthRatio = 1.27;
binsY[0]=0;
for(int i=1; i<=nBinY; i++)
binsY[i] = binsY[i-1]+firstBinYWidth*pow(binYWidthRatio,i-1);
cout<<"last y bin: "<<binsY[nBinY]<<endl;
// for(int i=1; i<=nPtBins; i++)
for(int i =7; i<=7; i++)
{
pts[i-1] = 0.5*(ptBins[i-1]+ptBins[i]);
ptErrors[i-1] = 0.5*(ptBins[i]-ptBins[i-1]);
float ptLow = ptBins[i-1];
float ptHigh = ptBins[i];
cout<<endl<<"======================================="<<endl;
cout<<"pT range: "<<ptLow<<" "<<ptHigh<<endl;
TLatex* texPtY = new TLatex(0.32,0.82,Form("%.1f < p_{T} < %.1f GeV/c |y| < 1.0",ptLow,ptHigh));
texPtY->SetNDC();
texPtY->SetTextFont(42);
texPtY->SetTextSize(0.06);
texPtY->SetLineWidth(2);
TLatex* texPt = new TLatex(0.18,0.82,Form("%.1f < p_{T} < %.1f GeV/c",ptLow,ptHigh));
texPt->SetNDC();
texPt->SetTextFont(42);
texPt->SetTextSize(0.06);
texPt->SetLineWidth(2);
TLatex* texY = new TLatex(0.18,0.74,Form("|y| < 1.0"));
texY->SetNDC();
texY->SetTextFont(42);
texY->SetTextSize(0.06);
texY->SetLineWidth(2);
c2->cd(1);
hPtMD0Dca->GetZaxis()->SetRange(1,100);
hPtMD0Dca->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
hPtMD0DcaMCPSignal->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
hPtMD0DcaMCPSwapped->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
TH1D* hMData = (TH1D*)hPtMD0Dca->Project3D("y")->Clone(Form("hM_%1.1f_%1.1f", ptLow, ptHigh));
TH1D* hMMCSignal = (TH1D*)hPtMD0DcaMCPSignal->Project3D("y");
TH1D* hMMCSwapped = (TH1D*)hPtMD0DcaMCPSwapped->Project3D("y");
setColorTitleLabel(hMData);
setColorTitleLabel(hMMCSignal);
setColorTitleLabel(hMMCSwapped);
TF1* fMass = fitMass(hMData, hMMCSignal, hMMCSwapped);
texCms->Draw();
texCol->Draw();
texPt->Draw();
texY->Draw();
TF1* fSignalAndSwapped = new TF1("fSignalAndSwapped","[0]*([3]*([5]*Gaus(x,[1],[2]*(1+[7]))/(sqrt(2*3.1415927)*[2]*(1+[7]))+(1-[5])*Gaus(x,[1],[6]*(1+[7]))/(sqrt(2*3.1415927)*[6]*(1+[7])))+(1-[3])*Gaus(x,[1],[4]*(1+[7]))/(sqrt(2*3.1415927)*[4]*(1+[7])))", 1.7, 2.0);
fSignalAndSwapped->SetParameter(0,fMass->GetParameter(0));
fSignalAndSwapped->SetParameter(1,fMass->GetParameter(1));
fSignalAndSwapped->SetParameter(2,fMass->GetParameter(2));
fSignalAndSwapped->SetParameter(3,fMass->GetParameter(7));
fSignalAndSwapped->SetParameter(4,fMass->GetParameter(8));
fSignalAndSwapped->SetParameter(5,fMass->GetParameter(9));
fSignalAndSwapped->SetParameter(6,fMass->GetParameter(10));
fSignalAndSwapped->SetParameter(7,fMass->GetParameter(11));
TF1* background = new TF1("fBackground","[0]+[1]*x+[2]*x*x+[3]*x*x*x");
background->SetParameter(0,fMass->GetParameter(3));
background->SetParameter(1,fMass->GetParameter(4));
background->SetParameter(2,fMass->GetParameter(5));
background->SetParameter(3,fMass->GetParameter(6));
cout<<"MC signal width: "<<fMass->GetParameter(2)<<" "<<fMass->GetParameter(10)<<endl;
cout<<"MC swapped width: "<<fMass->GetParameter(8)<<endl;
float massD = 1.8649;
float massSignal1 = massD-0.025;
float massSignal2 = massD+0.025;
float massSideBand1 = massD-0.1;
float massSideBand2 = massD-0.075;
float massSideBand3 = massD+0.075;
float massSideBand4 = massD+0.1;
float scaleSideBandBackground = background->Integral(massSignal1, massSignal2)/(background->Integral(massSideBand1, massSideBand2)+background->Integral(massSideBand3, massSideBand4));
cout<<"scaleSideBandBackground: "<<scaleSideBandBackground<<endl;
totalYieldInvMassFit[i-1] = fMass->GetParameter(0)*fMass->GetParameter(7)/hMData->GetBinWidth(1);
totalYieldInvMassFitError[i-1] = fMass->GetParError(0)*fMass->GetParameter(7)/hMData->GetBinWidth(1);
cout<<"totalYieldInvMassFit: "<<totalYieldInvMassFit[i-1]<<" +- "<<totalYieldInvMassFitError[i-1]<<endl;
float scaleSideBandMethodSignal = fSignalAndSwapped->GetParameter(0)*fSignalAndSwapped->GetParameter(3) / (fSignalAndSwapped->Integral(massSignal1, massSignal2)-fSignalAndSwapped->Integral(massSideBand1, massSideBand2)-fSignalAndSwapped->Integral(massSideBand3, massSideBand4));
cout<<"scaleSideBandMethodSignal: "<<scaleSideBandMethodSignal<<endl;
TLatex* texScale = new TLatex(0.18,0.66,Form("side band bg scale: %1.3f", scaleSideBandBackground));
texScale->SetNDC();
texScale->SetTextFont(42);
texScale->SetTextSize(0.06);
texScale->SetLineWidth(2);
texScale->Draw();
TLine* lineSignal1 = new TLine(massSignal1, 0, massSignal1, hMData->GetMaximum()*0.5);
TLine* lineSignal2 = new TLine(massSignal2, 0, massSignal2, hMData->GetMaximum()*0.5);
TLine* lineSideBand1 = new TLine(massSideBand1, 0, massSideBand1, hMData->GetMaximum()*0.5);
TLine* lineSideBand2 = new TLine(massSideBand2, 0, massSideBand2, hMData->GetMaximum()*0.5);
TLine* lineSideBand3 = new TLine(massSideBand3, 0, massSideBand3, hMData->GetMaximum()*0.5);
TLine* lineSideBand4 = new TLine(massSideBand4, 0, massSideBand4, hMData->GetMaximum()*0.5);
lineSignal1->Draw();
lineSignal2->Draw();
lineSideBand1->Draw();
lineSideBand2->Draw();
lineSideBand3->Draw();
lineSideBand4->Draw();
c2->cd(2);
gPad->SetLogy();
hData->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
hSideband->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
hMCPSignal->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
hMCNPSignal->GetXaxis()->SetRangeUser(ptLow+0.001,ptHigh-0.001);
TH1D* hD0DcaData0 = (TH1D*)hData->Project3D("y")->Clone("hD0DcaData0");
TH1D* hD0DcaSideband = (TH1D*)hSideband->Project3D("y")->Clone("hD0DcaSideband");
TH1D* hD0DcaMCPSignal0 = (TH1D*)hMCPSignal->Project3D("y")->Clone("hD0DcaMCPSignal0");
TH1D* hD0DcaMCNPSignal0 = (TH1D*)hMCNPSignal->Project3D("y")->Clone("hD0DcaMCNPSignal0");
float integralRawYieldMCP = hD0DcaMCPSignal0->Integral();
float integralRawYieldMCNP = hD0DcaMCNPSignal0->Integral();
cout<<"integralRawYieldMCP: "<<integralRawYieldMCP<<endl;
cout<<"integralRawYieldMCNP: "<<integralRawYieldMCNP<<endl;
hD0DcaMCPSignal = hD0DcaMCPSignal0;
hD0DcaMCNPSignal = hD0DcaMCNPSignal0;
divideBinWidth(hD0DcaData0);
divideBinWidth(hD0DcaSideband);
setColorTitleLabel(hD0DcaData0, 1);
hD0DcaData0->GetXaxis()->SetRangeUser(0,0.07);
hD0DcaData0->GetYaxis()->SetTitle("counts per cm");
TH1D* hD0DcaSideband0 = (TH1D*)hD0DcaSideband->Clone("hD0DcaSideband0");
hD0DcaSideband->Scale(scaleSideBandBackground);
TH1D* hD0DcaDataSubSideBand = (TH1D*)hD0DcaData0->Clone("hD0DcaDataSubSideBand");
hD0DcaDataSubSideBand->Add(hD0DcaSideband,-1);
hD0DcaDataSubSideBand->Scale(scaleSideBandMethodSignal);
hD0DcaData0->SetMarkerSize(0.6);
hD0DcaData0->Draw();
hD0DcaSideband->Draw("hsame");
hD0DcaSideband0->SetLineStyle(2);
hD0DcaSideband0->Draw("hsame");
TLegend* leg1 = new TLegend(0.44,0.6,0.90,0.76,NULL,"brNDC");
leg1->SetBorderSize(0);
leg1->SetTextSize(0.06);
leg1->SetTextFont(42);
leg1->SetFillStyle(0);
leg1->AddEntry(hD0DcaData0,"D^{0} candidate","pl");
leg1->AddEntry(hD0DcaSideband,"side band","l");
leg1->AddEntry(hD0DcaSideband0,"side band unscaled","l");
leg1->Draw("same");
texCms->Draw();
texCol->Draw();
texPtY->Draw();
c2->SaveAs(Form("plots/PbPb_%.0f_%.0f_sideBand.pdf",ptLow,ptHigh));
c2->cd(1);
hMMCSignal->Draw();
texCms->Draw();
texCol->Draw();
texPt->Draw();
texY->Draw();
c2->cd(2);
gPad->SetLogy(0);
hMMCSwapped->Draw();
texCms->Draw();
texCol->Draw();
texPt->Draw();
texY->Draw();
c2->SaveAs(Form("plots/PbPb_%.0f_%.0f_McInvMassFit.pdf",ptLow,ptHigh));
c15->cd(1);
fitMass(hMData, hMMCSignal, hMMCSwapped);
texPt->Draw();
texY->Draw();
TH1D* hD0DcaDataFit = new TH1D("hD0DcaDataFit", ";D^{0} DCA (cm);dN / d(D^{0} DCA) (cm^{-1})", nBinY, binsY);
for(int j=1; j<=14; j++)
{
c15->cd(j+1);
hPtMD0Dca->GetZaxis()->SetRange(j,j);
float D0DcaLow = hPtMD0Dca->GetZaxis()->GetBinLowEdge(j);
float D0DcaHigh = hPtMD0Dca->GetZaxis()->GetBinUpEdge(j);
TH1D* hMData_D0Dca = (TH1D*)hPtMD0Dca->Project3D("y")->Clone(Form("hM_pt_%1.1f_%1.1f_D0Dca_%1.4f_%1.4f", ptLow, ptHigh, D0DcaLow, D0DcaHigh));
setColorTitleLabel(hMData_D0Dca);
fMass = fitMass(hMData_D0Dca, hMMCSignal, hMMCSwapped);
float yield = fMass->GetParameter(0)*fMass->GetParameter(7)/hMData_D0Dca->GetBinWidth(1);
float yieldError = fMass->GetParError(0)*fMass->GetParameter(7)/hMData_D0Dca->GetBinWidth(1);
hD0DcaDataFit->SetBinContent(j, yield);
hD0DcaDataFit->SetBinError(j, yieldError);
TLatex* texD0Dca = new TLatex(0.18,0.82,Form("D^{0} DCA: %1.4f - %1.4f",D0DcaLow,D0DcaHigh));
texD0Dca->SetNDC();
texD0Dca->SetTextFont(42);
texD0Dca->SetTextSize(0.06);
texD0Dca->SetLineWidth(2);
texD0Dca->Draw();
TLatex* texYield = new TLatex(0.18,0.74,Form("D^{0} yield: %1.0f #pm %1.0f",yield,yieldError));
texYield->SetNDC();
texYield->SetTextFont(42);
texYield->SetTextSize(0.06);
texYield->SetLineWidth(2);
texYield->Draw();
}
c15->SaveAs(Form("plots/PbPb_%.0f_%.0f_invMassFit.pdf",ptLow,ptHigh));
divideBinWidth(hD0DcaDataFit);
c4->cd(1);
gPad->SetLogy();
normalize(hD0DcaMCPSignal);
setColorTitleLabel(hD0DcaMCPSignal, 2);
hD0DcaMCPSignal->GetXaxis()->SetRangeUser(0,0.07);
normalize(hD0DcaMCNPSignal);
setColorTitleLabel(hD0DcaMCNPSignal, 4);
hD0DcaMCNPSignal->GetXaxis()->SetRangeUser(0,0.07);
hD0DcaMCNPSignal->GetYaxis()->SetTitle("dN / d(D^{0} DCA) (cm^{-1})");
hD0DcaMCNPSignal->GetXaxis()->SetTitle("D^{0} DCA (cm)");
hD0DcaMCNPSignal->SetMaximum(hD0DcaMCPSignal->GetMaximum()*3.);
hD0DcaMCNPSignal->Draw("");
hD0DcaMCPSignal->Draw("same");
TLegend* leg2 = new TLegend(0.54,0.72,0.90,0.88,NULL,"brNDC");
leg2->SetBorderSize(0);
leg2->SetTextSize(0.06);
leg2->SetTextFont(42);
leg2->SetFillStyle(0);
leg2->AddEntry(hD0DcaMCPSignal,"MC Prompt D^{0}","pl");
leg2->AddEntry(hD0DcaMCNPSignal,"MC Non-prompt D^{0}","pl");
leg2->Draw("same");
c4->cd(2);
gPad->SetLogy();
TH1D* hD0DcaData = hD0DcaDataFit;
if(pts[i-1]>20) hD0DcaData = hD0DcaDataSubSideBand;
setColorTitleLabel(hD0DcaData, 1);
double integralTotalYield = hD0DcaData->Integral(1,hD0DcaData->GetXaxis()->GetNbins(),"width");
cout<<"integralTotalYield: "<<integralTotalYield<<endl;
TF1* fMix = new TF1("fMix",&funMix, 0., 0.5, 2);
fMix->SetParameters(0.5*integralTotalYield,0.5*integralTotalYield);
fMix->SetParLimits(0,0,2*integralTotalYield);
fMix->SetParLimits(1,0,2*integralTotalYield);
fMix->SetLineColor(2);
fMix->SetFillColor(kRed-9);
fMix->SetFillStyle(1001);
float fitRangeL = 0;
float fitRangeH = 0.08;
hD0DcaData->GetXaxis()->SetRangeUser(0,0.07);
hD0DcaData->Draw();
int fitStatus = 1;
TFitResultPtr fitResult;
double fitPrecision = 1.e-6;
while(fitStatus)
{
TFitter::SetPrecision(fitPrecision);
fMix->SetParameters(0.5*integralTotalYield,0.5*integralTotalYield);
fMix->SetParError(0,0.1*integralTotalYield);
fMix->SetParError(1,0.1*integralTotalYield);
fitResult = hD0DcaData->Fit("fMix","E SNQ0", "", fitRangeL, fitRangeH);
fitStatus = fitResult->Status();
cout<<"fit precision: "<<TFitter::GetPrecision()<<" status: "<<fitStatus<<endl;
if(fitStatus)
fitPrecision *= 10;
}
cout<<"============== do main fit ============"<<endl;
fMix->SetParameters(integralTotalYield,0.9);
fMix->SetParError(0,0.1*integralTotalYield);
fMix->SetParError(1,0.1);
fMix->SetNpx(10000);
fitResult = hD0DcaData->Fit("fMix","E S0", "", fitRangeL, fitRangeH);
hD0DcaData->GetFunction("fMix")->Draw("flsame");
fitStatus = fitResult->Status();
cout<<"fit precision: "<<TFitter::GetPrecision()<<" status: "<<fitStatus<<endl;
TF1* fNP = new TF1("fNP",&funNonPrompt, 0., 0.5, 2);
fNP->SetParameters(fMix->GetParameter(0),fMix->GetParameter(1));
fNP->SetRange(fitRangeL,fitRangeH);
fNP->SetLineColor(4);
fNP->SetFillStyle(1001);
fNP->SetFillColor(kBlue-9);
fNP->SetNpx(10000);
fNP->Draw("same");
hD0DcaData->Draw("same");
promptDYield[i-1] = fMix->GetParameter(0);
promptDYieldErrorDataOnly[i-1] = fMix->GetParError(0);
bToDYield[i-1] = fMix->GetParameter(1);
bToDYieldErrorDataOnly[i-1] = fMix->GetParError(1);
totalYield[i-1] = promptDYield[i-1]+bToDYield[i-1];
promptFraction[i-1] = promptDYield[i-1]/totalYield[i-1];
cout<<"chi2 / NDF: "<<fitResult->Chi2()<<" / "<<fitResult->Ndf()<<endl;
texCms->Draw();
texCol->Draw();
texPtY->Draw();
TLatex* texPrompt = new TLatex(0.4,0.73,Form("Prompt D^{0} yield : %.0f #pm %.0f",fMix->GetParameter(0),fMix->GetParError(0)));
texPrompt->SetNDC();
texPrompt->SetTextFont(42);
texPrompt->SetTextSize(0.06);
texPrompt->SetLineWidth(2);
texPrompt->Draw();
TLatex* texNonPrompt = new TLatex(0.4,0.65,Form("B to D^{0} yield : %.0f #pm %.0f",fMix->GetParameter(1),fMix->GetParError(1)));
texNonPrompt->SetNDC();
texNonPrompt->SetTextFont(42);
texNonPrompt->SetTextSize(0.06);
texNonPrompt->SetLineWidth(2);
texNonPrompt->Draw();
TLegend* leg4 = new TLegend(0.56,0.38,0.90,0.62);
leg4->SetBorderSize(0);
leg4->SetTextSize(0.06);
leg4->SetTextFont(42);
leg4->SetFillStyle(0);
leg4->AddEntry(hD0DcaData,"Data","pl");
leg4->AddEntry(fMix,"Prompt D^{0}","f");
leg4->AddEntry(fNP,"B to D^{0}","f");
leg4->Draw("same");
//smear MC smaple with the error, to simulate the MC statistic error effect.
c4->cd(3);
hD0DcaMCPSignal = (TH1D*)hD0DcaMCPSignal0->Clone("hMCPSignal");
hD0DcaMCNPSignal = (TH1D*)hD0DcaMCNPSignal0->Clone("hMCNPSignal");
TH1D* hNPYield = new TH1D("hNPYield", ";hNPYield", 100, 0., 1.1*(fMix->GetParameter(0)+fMix->GetParameter(1)));
TH1D* hPYield = new TH1D("hPYield", ";hPYield", 100, 0., 1.1*(fMix->GetParameter(0)+fMix->GetParameter(1)));
setColorTitleLabel(hNPYield, 1);
setColorTitleLabel(hPYield, 1);
int nSmear = 1000;
for(int j=0; j<nSmear; j++)
{
RandomSmear(hD0DcaMCPSignal0, hD0DcaMCPSignal);
RandomSmear(hD0DcaMCNPSignal0, hD0DcaMCNPSignal);
fMix->SetParameters(0.5*integralTotalYield,0.5*integralTotalYield);
fMix->SetParError(0,0.1*integralTotalYield);
fMix->SetParError(1,0.1*integralTotalYield);
hD0DcaData->Fit("fMix","E QN0");
hPYield->Fill(fMix->GetParameter(0));
hNPYield->Fill(fMix->GetParameter(1));
}
hPYield->GetXaxis()->SetTitle("prompt D^{0} yield");
hPYield->GetYaxis()->SetTitle("counts");
hPYield->GetYaxis()->SetRangeUser(0.5, 1.4*hPYield->GetMaximum());
hPYield->SetMarkerStyle(20);
hPYield->SetStats(0);
hPYield->Draw("e");
hPYield->Fit("gaus");
TLatex* texGaussMeanSigmaP = new TLatex(0.27,0.83,Form("#mu: %.0f #sigma: %.0f",hPYield->GetFunction("gaus")->GetParameter(1),hPYield->GetFunction("gaus")->GetParameter(2)));
texGaussMeanSigmaP->SetNDC();
texGaussMeanSigmaP->SetTextFont(42);
texGaussMeanSigmaP->SetTextSize(0.06);
texGaussMeanSigmaP->SetLineWidth(2);
texGaussMeanSigmaP->Draw();
float promptYieldErrorMc = hPYield->GetFunction("gaus")->GetParameter(2);
promptDYieldError[i-1] = sqrt(pow(promptDYieldErrorDataOnly[i-1],2)+pow(promptYieldErrorMc,2));
c4->cd(4);
hNPYield->GetXaxis()->SetTitle("B to D^{0} yield");
hNPYield->GetYaxis()->SetTitle("counts");
hNPYield->GetYaxis()->SetRangeUser(0.5, 1.4*hNPYield->GetMaximum());
hNPYield->SetMarkerStyle(20);
hNPYield->SetStats(0);
hNPYield->Draw("e");
hNPYield->Fit("gaus");
TLatex* texGaussMeanSigmaNP = new TLatex(0.27,0.83,Form("#mu: %.0f #sigma: %.0f",hNPYield->GetFunction("gaus")->GetParameter(1),hNPYield->GetFunction("gaus")->GetParameter(2)));
texGaussMeanSigmaNP->SetNDC();
texGaussMeanSigmaNP->SetTextFont(42);
texGaussMeanSigmaNP->SetTextSize(0.06);
texGaussMeanSigmaNP->SetLineWidth(2);
texGaussMeanSigmaNP->Draw();
float bToDYieldErrorMc = hNPYield->GetFunction("gaus")->GetParameter(2);
bToDYieldError[i-1] = sqrt(pow(bToDYieldErrorDataOnly[i-1],2)+pow(bToDYieldErrorMc,2));
cout<<"prompt D yield: "<<promptDYield[i-1]<<" +- "<<promptDYieldError[i-1]<<" (+- "<<promptDYieldErrorDataOnly[i-1]<<" +- "<<promptYieldErrorMc<<" )"<<endl;
cout<<"B to D yield: "<<bToDYield[i-1]<<" +- "<<bToDYieldError[i-1]<<" (+- "<<bToDYieldErrorDataOnly[i-1]<<" +- "<<bToDYieldErrorMc<<" )"<<endl;
cout<<"total yield: "<<totalYield[i-1]<<endl;
cout<<"prompt fraction: "<<promptFraction[i-1]<<endl;
float promptMCScale = promptDYield[i-1]/integralRawYieldMCP;
float nonPromptMCScale = bToDYield[i-1]/integralRawYieldMCNP;
cout<<"promptMCScale: "<<promptMCScale<<endl;
cout<<"nonPromptMCScale: "<<nonPromptMCScale<<endl;
//restore original unsmeared histograms before saving plots
delete hD0DcaMCPSignal;
delete hD0DcaMCNPSignal;
hD0DcaMCPSignal = hD0DcaMCPSignal0;
hD0DcaMCNPSignal = hD0DcaMCNPSignal0;
hD0DcaData->Fit("fMix","E QN0");
c4->SaveAs(Form("plots/PbPb_%.0f_%.0f_fit.pdf",ptLow,ptHigh));
c1->cd();
TH1D* hD0DcaDataOverFit = (TH1D*)hD0DcaData->Clone("hD0DcaDataOverFit");
hD0DcaDataOverFit->Divide(fMix);
hD0DcaDataOverFit->GetYaxis()->SetTitle("data / fit");
hD0DcaDataOverFit->GetYaxis()->SetRangeUser(0,5);
hD0DcaDataOverFit->GetXaxis()->SetRangeUser(0,0.07);
setColorTitleLabel(hD0DcaDataOverFit, 1);
hD0DcaDataOverFit->Draw("e");
TF1* fLine1 = new TF1("fLine1", "1", 0,1);
fLine1->Draw("same");
hD0DcaDataOverFit->Draw("esame");
c1->SaveAs(Form("plots/dataOverFit_%.0f_%.0f_fit.pdf",ptLow,ptHigh));
delete hD0DcaMCPSignal;
delete hD0DcaMCNPSignal;
} // end for i ptbins
c1->cd();
TH1D* hStupidJie = new TH1D("hStupidJie", "", 100, 0, 100);
hStupidJie->GetYaxis()->SetRangeUser(0,1);
hStupidJie->GetXaxis()->SetTitle("p_{T} (GeV/c)");
hStupidJie->GetYaxis()->SetTitle("prompt fraction");
hStupidJie->SetStats(0);
hStupidJie->Draw();
TGraph* grFraction = new TGraph(nPtBins, pts, promptFraction);
grFraction->SetName("grPromptFraction");
grFraction->SetMarkerStyle(20);
grFraction->Draw("psame");
c1->SaveAs("promptFraction.pdf");
c1->SetLogy();
TH1D* hBtoDRawYield = new TH1D("hBtoDRawYield", ";p_{T} (GeV/c);dN/dp_{T} ((GeV/c)^{-1})", nPtBins, ptBins);
for(int i=1; i<=nPtBins; i++)
{
if(bToDYield[i-1] <= 0) continue;
hBtoDRawYield->SetBinContent(i, bToDYield[i-1]);
hBtoDRawYield->SetBinError(i, bToDYieldError[i-1]);
}
divideBinWidth(hBtoDRawYield);
setColorTitleLabel(hBtoDRawYield, 1);
c1->SetBottomMargin(0.14);
hBtoDRawYield->Draw("p");
c1->SaveAs("BtoD.pdf");
TH1D* hPromptDRawYield = new TH1D("hPromptDRawYield", ";p_{T} (GeV/c);dN/dp_{T} ((GeV/c)^{-1})", nPtBins, ptBins);
for(int i=1; i<=nPtBins; i++)
{
if(promptDYield[i-1] <= 0) continue;
hPromptDRawYield->SetBinContent(i, promptDYield[i-1]);
hPromptDRawYield->SetBinError(i, promptDYieldError[i-1]);
}
divideBinWidth(hPromptDRawYield);
setColorTitleLabel(hPromptDRawYield, 1);
c1->SetBottomMargin(0.14);
hPromptDRawYield->Draw("p");
c1->SaveAs("promptD.pdf");
TH1D* hTotalDYieldInvMassFit = new TH1D("hTotalDYieldInvMassFit", ";p_{T} (GeV/c);dN/dp_{T} ((GeV/c)^{-1})", nPtBins, ptBins);
for(int i=1; i<=nPtBins; i++)
{
if(totalYieldInvMassFit[i-1] <= 0) continue;
hTotalDYieldInvMassFit->SetBinContent(i, totalYieldInvMassFit[i-1]);
hTotalDYieldInvMassFit->SetBinError(i, totalYieldInvMassFitError[i-1]);
}
divideBinWidth(hTotalDYieldInvMassFit);
setColorTitleLabel(hTotalDYieldInvMassFit, 1);
hTotalDYieldInvMassFit->Draw("p");
c1->SaveAs("totalDInvMassFit.pdf");
TFile* fOut = new TFile("bFeedDownResult.root", "recreate");
fOut->WriteTObject(grFraction);
fOut->WriteTObject(hBtoDRawYield);
fOut->WriteTObject(hPromptDRawYield);
fOut->WriteTObject(hTotalDYieldInvMassFit);
fOut->Write();
fOut->Close();
}
void function_fit(){
gStyle->SetTextSize(0.05);
gStyle->SetTextFont(42);
gStyle->SetPadRightMargin(0.04);
gStyle->SetPadLeftMargin(0.14);
gStyle->SetPadTopMargin(0.1);
gStyle->SetPadBottomMargin(0.14);
gStyle->SetTitleX(.0f);
gStyle->SetOptFit(1111);
gStyle->SetOptStat(0);
gStyle->SetOptTitle(0);
TFile* fPbPb = new TFile("bFeedDownPbPb.hist.root");
TFile* fPbPbMB = new TFile("bFeedDownPbPbMB.hist.root");
// TFile* fPbPbMC = new TFile("bFeedDownPbPbMC_funfit.hist.root");
// TFile* fPbPbMBMC = new TFile("bFeedDownPbPbMBMC_funfit.hist.root");
TFile* fPbPbMC = new TFile("bFeedDownPbPbMC.hist.root");
TFile* fPbPbMBMC = new TFile("bFeedDownPbPbMBMC.hist.root");
TH3D* hDataPbPb = (TH3D*)fPbPb->Get("hData");
TH3D* hSidebandPbPb = (TH3D*)fPbPb->Get("hSideband");
TH3D* hDataPbPbMB = (TH3D*)fPbPbMB->Get("hData");
TH3D* hSidebandPbPbMB = (TH3D*)fPbPbMB->Get("hSideband");
TH3D* hPtMD0DcaPbPb = (TH3D*)fPbPb->Get("hPtMD0Dca");
TH3D* hPtMD0DcaPbPbMB = (TH3D*)fPbPbMB->Get("hPtMD0Dca");
TH3D* hMCPSignalPbPb = (TH3D*)fPbPbMC->Get("hMCPSignal");
TH3D* hMCNPSignalPbPb = (TH3D*)fPbPbMC->Get("hMCNPSignal");
TH3D* hMCPSignalPbPbMB = (TH3D*)fPbPbMBMC->Get("hMCPSignal");
TH3D* hMCNPSignalPbPbMB = (TH3D*)fPbPbMBMC->Get("hMCNPSignal");
TH3D* hPtMD0DcaMCPSignalPbPb = (TH3D*)fPbPbMC->Get("hPtMD0DcaMCPSignal");
TH3D* hPtMD0DcaMCPSwappedPbPb = (TH3D*)fPbPbMC->Get("hPtMD0DcaMCPSwapped");
TH3D* hPtMD0DcaMCPSignalPbPbMB =(TH3D*)fPbPbMBMC->Get("hPtMD0DcaMCPSignal");
TH3D* hPtMD0DcaMCPSwappedPbPbMB = (TH3D*)fPbPbMBMC->Get("hPtMD0DcaMCPSwapped");
TH3D* hData = (TH3D*)hDataPbPb->Clone("hData");
hData->Sumw2();
hData->Add(hDataPbPbMB);
TH3D* hSideband = (TH3D*)hSidebandPbPb->Clone("hSideband");
hSideband->Sumw2();
hSideband->Add(hSidebandPbPbMB);
TH3D* hPtMD0Dca = (TH3D*)hPtMD0DcaPbPb->Clone("hPtMD0Dca");
hPtMD0Dca->Sumw2();
hPtMD0Dca->Add(hPtMD0DcaPbPbMB);
TH3D* hMCPSignal = (TH3D*)hMCPSignalPbPb->Clone("hMCPSignal");
hMCPSignal->Sumw2();
hMCPSignal->Add(hMCPSignalPbPbMB);
TH3D* hMCNPSignal = (TH3D*)hMCNPSignalPbPb->Clone("hMCNPSignal");
hMCNPSignal->Sumw2();
hMCNPSignal->Add(hMCNPSignalPbPbMB);
TH3D* hPtMD0DcaMCPSignal = (TH3D*)hPtMD0DcaMCPSignalPbPb->Clone("hPtMD0DcaMCPSignal");
hPtMD0DcaMCPSignal->Sumw2();
hPtMD0DcaMCPSignal->Add(hPtMD0DcaMCPSignalPbPbMB);
TH3D* hPtMD0DcaMCPSwapped =(TH3D*)hPtMD0DcaMCPSwappedPbPb->Clone("hPtMD0DcaMCPSwapped");
hPtMD0DcaMCPSwapped->Sumw2();
hPtMD0DcaMCPSwapped->Add(hPtMD0DcaMCPSwappedPbPbMB);
// TH1D *h_DcaData = (TH1D*)fDcaData->Get("D0DcaDatafitOut_pt5");
// const int nPtBins = 14;
// float ptBins[nPtBins+1] = {2.,3.,4.,5.,6.,8.,10.,12.5,15.0,20.,25.,30.,40.,60.,100};
const int nPtBins = 9;
float ptBins[nPtBins+1] = {2.,4.,6.,8.,10.,12.5,20.,40.,60.,100};
const int nBinY = 20;
const Double_t binsY[nBinY+1] = {-0.0734,-0.0562,-0.0428,-0.0320,-0.0236,-0.0170,-0.0118,-0.0078,-0.0046,-0.002,0.0,0.002,0.0046,0.0078,0.0118,0.0170,0.0236,0.0320,0.0428,0.0562,0.0734};
TFile *fDcaData = new TFile("bFeedDownResult.root");
TH1D *h_DcaData[nPtBins];
// TH1D *h_DcaData = (TH1D*)fDcaData->Get("D0DcaDatafitOut_pt5");
RooBinning bin_dcaxy(nBinY,binsY);
// TH1D* h_MCP_DCAxy = new TH1D("h_MCP_DCAxy", "h_MCP_DCAxy", nBinY, binsY);
// TH1D* h_MCNP_DCAxy = new TH1D("h_MCNP_DCAxy", "h_MCNP_DCAxy", nBinY, binsY);
TFile *fout= new TFile("function_fit_result.root","RECREATE");
TH1D *h_PromptYield_fix = new TH1D("h_PromptYield_fix","h_PromptYield_fix",nPtBins,ptBins);
TH1D *h_NonPromptYield_fix = new TH1D("h_NonPromptYield_fix","h_NonPromptYield_fix",nPtBins,ptBins);
TH1D *h_NonPromptFraction_fix= new TH1D("h_NonPromptFraction_fix","h_NonPromptFraction_fix",nPtBins,ptBins);
TH1D *h_PromptYield_float = new TH1D("h_PromptYield_float","h_PromptYield_float",nPtBins,ptBins);
TH1D *h_NonPromptYield_float = new TH1D("h_NonPromptYield_float","h_NonPromptYield_float",nPtBins,ptBins);
TH1D *h_NonPromptFraction_float= new TH1D("h_NonPromptFraction_float","h_NonPromptFraction_float",nPtBins,ptBins);
hMCPSignal->GetXaxis()->SetRangeUser(8,10);
hMCNPSignal->GetXaxis()->SetRangeUser(8,10);
TH1D* h_MCP_DCAxy= (TH1D*)hMCPSignal->Project3D("y")->Clone("h_MCP_DCAxy");
TH1D* h_MCNP_DCAxy= (TH1D*)hMCNPSignal->Project3D("y")->Clone("h_MCNP_DCAxy");
TH1D* h_MCP_DCAxy_ptArr[nPtBins];
TH1D* h_MCNP_DCAxy_ptArr[nPtBins];
TCanvas *c_MCP_ptArr[nPtBins];
TCanvas *c_MCNP_ptArr[nPtBins];
double max,min;
double MCPsigmaVal;
TCanvas *c_MCP_gauss = new TCanvas("c_MCP_gauss","c_MCP_gauss",1000,600);
c_MCP_gauss->Divide(5,3);
TCanvas *c_MCP_gauss2 = new TCanvas("c_MCP_gauss2","c_MCP_gauss2",1000,600);
c_MCP_gauss2->Divide(5,3);
TCanvas *c_MCNP_gauss = new TCanvas("c_MCNP_gauss","c_MCNP_gauss",1000,600);
c_MCNP_gauss->Divide(5,3);
TCanvas *c_data[nPtBins];// = new TCanvas("c_data","c_data",600,600);
for(int iPtBins=0; iPtBins<nPtBins; iPtBins++)
// for(int iPtBins=1; iPtBins<2; iPtBins++)
{
// Fill the TH1D
Float_t ptLow=ptBins[iPtBins];
Float_t ptHigh=ptBins[iPtBins+1];
hMCPSignal->GetXaxis()->SetRangeUser(ptLow,ptHigh);
hMCNPSignal->GetXaxis()->SetRangeUser(ptLow,ptHigh);
h_MCP_DCAxy_ptArr[iPtBins]= (TH1D*)hMCPSignal->Project3D("y")->Clone(Form("h_MCP_DCAxy_Dpt%.1fto%.1f",ptLow,ptHigh));
h_MCNP_DCAxy_ptArr[iPtBins]= (TH1D*)hMCNPSignal->Project3D("y")->Clone(Form("h_MCNP_DCAxy_Dpt%.1fto%.1f",ptLow,ptHigh));
// MCP fit and plot
c_MCP_ptArr[iPtBins] = new TCanvas(Form("c_MCP_%i",iPtBins),Form("c_MCP_%i",iPtBins), 800,400 );
c_MCP_ptArr[iPtBins]->Divide(2,1);
c_MCP_ptArr[iPtBins]->cd(1);
RooRealVar x("x","Dca_xy",-0.07,0.07);
// RooRealVar mean("mean","mean",0,-0.02,0.02);
RooRealVar mean("mean","mean",0);
RooRealVar sigma("sigma","sigma",0.003,0.0000001,0.02);
RooGaussian MCP_pdf("gauss","gaussian PDF",x,mean,sigma);
RooPlot* MCP_frame = x.frame();
RooDataHist h_MCP("h_MCP","h_MCP",RooArgList(x),h_MCP_DCAxy_ptArr[iPtBins]);
MCP_pdf.fitTo(h_MCP);
MCPsigmaVal=sigma.getVal();
h_MCP.plotOn(MCP_frame,Binning(bin_dcaxy));
MCP_pdf.plotOn(MCP_frame,LineColor(2));
MCP_pdf.paramOn(MCP_frame);
// MCP_frame->SetTitle("test Title");
max = MCP_frame->GetMaximum();
min = MCP_frame->GetMinimum();
MCP_frame->SetMaximum(max+0.2*(max-min));
MCP_frame->Draw();
TLatex *tex_MCP= new TLatex(0.18,0.82,Form("Prompt D"));
tex_MCP->SetNDC();
tex_MCP->SetTextFont(42);
tex_MCP->SetTextSize(0.035);
tex_MCP->SetLineWidth(2);
tex_MCP->Draw();
TLatex *tex_MCPGauss= new TLatex(0.18,0.75,"Gaussian Fit");
tex_MCPGauss->SetNDC();
tex_MCPGauss->SetTextFont(42);
tex_MCPGauss->SetTextSize(0.035);
tex_MCPGauss->SetLineWidth(2);
tex_MCPGauss->Draw();
c_MCP_gauss->cd(iPtBins+1);
MCP_frame->Draw();
if(iPtBins==0){
TLatex *tex_MCP_Gauss = new TLatex(0.18,0.75,Form("Prompt D, Gauss"));
tex_MCP_Gauss->SetNDC();
tex_MCP_Gauss->SetTextFont(42);
tex_MCP_Gauss->SetTextSize(0.035);
tex_MCP_Gauss->SetLineWidth(2);
tex_MCP_Gauss->Draw();
}
TLatex *tex_MCP_Gausspt = new TLatex(0.18,0.82,Form("%.1f<pt<%.1f",ptLow,ptHigh));
tex_MCP_Gausspt->SetNDC();
tex_MCP_Gausspt->SetTextFont(42);
tex_MCP_Gausspt->SetTextSize(0.035);
tex_MCP_Gausspt->SetLineWidth(2);
tex_MCP_Gausspt->Draw();
/*
c_MCP_ptArr[iPtBins]->cd(2);
RooRealVar ARatio("ARatio","ARatio",0.5,0,1);
RooRealVar sigmaRatio("sigmaRatio","sigmaRatio",1.24,1.000001,100000);
RooGenericPdf dgauss("dgauss","Double Gaussian","ARatio*exp(-pow((x-mean)/sigma,2)/2)+(1-ARatio)*exp(-pow((x-mean)/(sigma*sigmaRatio),2)/2)",RooArgSet(x,mean,sigma,ARatio,sigmaRatio));
dgauss.fitTo(h_MCP);
RooPlot* MCP_frame2 = x.frame();
h_MCP.plotOn(MCP_frame2);
dgauss.plotOn(MCP_frame2);
dgauss.paramOn(MCP_frame2);
max = MCP_frame2->GetMaximum();
min = MCP_frame2->GetMinimum();
MCP_frame2->SetMaximum(max+0.2*(max-min));
MCP_frame2->Draw();
TLatex *tex_MCPpt= new TLatex(0.18,0.82,Form("%.1f<D P_{T}<%.1f",ptLow,ptHigh));
tex_MCPpt->SetNDC();
tex_MCPpt->SetTextFont(42);
tex_MCPpt->SetTextSize(0.035);
tex_MCPpt->SetLineWidth(2);
tex_MCPpt->Draw();
TLatex *tex_MCPGauss2= new TLatex(0.18,0.75,"Double Gaussian Fit");
tex_MCPGauss2->SetNDC();
tex_MCPGauss2->SetTextFont(42);
tex_MCPGauss2->SetTextSize(0.035);
tex_MCPGauss2->SetLineWidth(2);
tex_MCPGauss2->Draw();
c_MCP_ptArr[iPtBins]->SaveAs(Form("plots_functionfit/MCP_FunCom_pt%dto%d.pdf",(int)ptLow,(int)ptHigh));
c_MCP_gauss2->cd(iPtBins+1);
MCP_frame2->Draw();
if(iPtBins==0){
TLatex *tex_MCP_Gauss2 = new TLatex(0.18,0.75,Form("Prompt D,Double Gauss"));
tex_MCP_Gauss2->SetNDC();
tex_MCP_Gauss2->SetTextFont(42);
tex_MCP_Gauss2->SetTextSize(0.035);
tex_MCP_Gauss2->SetLineWidth(2);
tex_MCP_Gauss2->Draw();
}
TLatex *tex_MCP_Gauss2pt = new TLatex(0.18,0.82,Form("%.1f<pt<%.1f",ptLow,ptHigh));
tex_MCP_Gauss2pt->SetNDC();
tex_MCP_Gauss2pt->SetTextFont(42);
tex_MCP_Gauss2pt->SetTextSize(0.035);
tex_MCP_Gauss2pt->SetLineWidth(2);
tex_MCP_Gauss2pt->Draw();
*/
/////////////////////
// MCNP fit and plot
/////////////////////
c_MCNP_ptArr[iPtBins] = new TCanvas(Form("c_MCNP_%i",iPtBins),Form("c_MCNP_%i",iPtBins), 800,800 );
c_MCNP_ptArr[iPtBins]->Divide(2,2);
c_MCNP_ptArr[iPtBins]->cd(1);
gPad->SetLogy();
// RooRealVar dca("dca","dca_xy",-0.05,0.05);
RooRealVar alpha("alpha","alpha",-100,-20000,-0.00001);
RooGenericPdf gp("gp","Generic PDF","exp(abs(x)*alpha)",RooArgSet(x,alpha));
RooRealVar mg("mg","mg",0);
RooRealVar sg("sg","sg",MCPsigmaVal,0.0000001,0.1);
RooGaussian gauss2("gauss2","gauss2",x,mg,sg);
x.setBins(10000,"cache");
// RooFFTConvPdf gpxg("gpxg","exp (x) gauss",x,gp,gauss2);
RooFFTConvPdf *MCNP_pdf = new RooFFTConvPdf("MCNP_pdf","exp (x) gauss",x,gp,gauss2);
// sg.setConstant(kTRUE);
RooPlot * MCNP_frame = x.frame();
// RooDataHist h_MCNP("h_MCNP","h_MCNP",RooArgSet(dca),h_MCNP_DCAxy);
RooDataHist h_MCNP("h_MCNP","h_MCNP",RooArgSet(x),h_MCNP_DCAxy_ptArr[iPtBins]);
RooFitResult * fitres = MCNP_pdf->fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame,Binning(bin_dcaxy));
MCNP_pdf->plotOn(MCNP_frame);
MCNP_pdf->paramOn(MCNP_frame);
// MCNP_frame2->GetXaxis()->SetTitle("set x title");
max = MCNP_frame->GetMaximum();
min = MCNP_frame->GetMinimum();
// MCNP_frame->SetMaximum(max+0.2*(max-min));
MCNP_frame->SetMaximum(max*10);
MCNP_frame->SetMinimum(0.5);
MCNP_frame->Draw();
cout<<"sg = "<<sg.getVal();
TLatex *tex_MCNP= new TLatex(0.18,0.82,Form("Non Prompt D"));
tex_MCNP->SetNDC();
tex_MCNP->SetTextFont(42);
tex_MCNP->SetTextSize(0.035);
tex_MCNP->SetLineWidth(2);
tex_MCNP->Draw();
TLatex *tex_MCNPGauss= new TLatex(0.18,0.75,"Exp (x) Gaussian");
tex_MCNPGauss->SetNDC();
tex_MCNPGauss->SetTextFont(42);
tex_MCNPGauss->SetTextSize(0.035);
tex_MCNPGauss->SetLineWidth(2);
tex_MCNPGauss->Draw();
TLatex *tex_MCNP_Gausspt = new TLatex(0.18,0.68,Form("%.1f<pt<%.1f",ptLow,ptHigh));
tex_MCNP_Gausspt->SetNDC();
tex_MCNP_Gausspt->SetTextFont(42);
tex_MCNP_Gausspt->SetTextSize(0.035);
tex_MCNP_Gausspt->SetLineWidth(2);
tex_MCNP_Gausspt->Draw();
// test other function
c_MCNP_ptArr[iPtBins]->cd(2);
gPad->SetLogy();
RooRealVar power_a("power_a","power_a",10,0.000001,100000);
RooRealVar power_n("power_n","power_n",3,0.001,100000);
RooGenericPdf power_pdf("power_pdf","power_odf","1/pow((1+power_a*abs(x)),power_n)",RooArgSet(x,power_a,power_n));
RooPlot * MCNP_frame2 = x.frame();
power_pdf.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame2,Binning(bin_dcaxy));
power_pdf.plotOn(MCNP_frame2);
power_pdf.paramOn(MCNP_frame2);
MCNP_frame2->SetMaximum(max*10);
MCNP_frame2->SetMinimum(0.5);
MCNP_frame2->Draw();
TLatex *tex_MCNPpower= new TLatex(0.18,0.75,"1/(1+a*x)^{n}");
tex_MCNPpower->SetNDC();
tex_MCNPpower->SetTextFont(42);
tex_MCNPpower->SetTextSize(0.035);
tex_MCNPpower->SetLineWidth(2);
tex_MCNPpower->Draw();
c_MCNP_ptArr[iPtBins]->cd(3);
gPad->SetLogy();
RooRealVar twoExpA("twoExpA","twoExpA",-100,-100000,-10);
RooRealVar twoExpB("twoExpB","twoExpB",-10,-300,-0.01);
RooRealVar twoExpAfrac("twoExpAfrac","twoExpAfrac",0.5,0.0,1.0);
RooGenericPdf twoExp_pdf("twoExp_pdf","twoExp_pdf","twoExpAfrac*exp(twoExpA*abs(x))+(1-twoExpAfrac)*exp(twoExpB*abs(x))",RooArgSet(x,twoExpA,twoExpB,twoExpAfrac));
RooPlot *MCNP_frame3 = x.frame();
twoExp_pdf.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame3,Binning(bin_dcaxy));
twoExp_pdf.plotOn(MCNP_frame3);
twoExp_pdf.paramOn(MCNP_frame3);
MCNP_frame3->SetMaximum(max*10);
MCNP_frame3->SetMinimum(0.5);
MCNP_frame3->Draw();
TLatex *tex_MCNPtwoExp= new TLatex(0.18,0.75,"A*exp1+(1-A)exp2 ");
tex_MCNPtwoExp->SetNDC();
tex_MCNPtwoExp->SetTextFont(42);
tex_MCNPtwoExp->SetTextSize(0.035);
tex_MCNPtwoExp->SetLineWidth(2);
tex_MCNPtwoExp->Draw();
/*
c_MCNP_ptArr[iPtBins]->cd(4);
gPad->SetLogy();
RooRealVar doubleExpA("doubleExpA","doubleExpA",-100,-10000,-0.00001);
RooRealVar doubleExpB("doubleExpB","doubleExpB",-1,-5000,-0.000001);
RooGenericPdf doubleExp_pdf("doubleExp_pdf","doubleExp_pdf","exp(doubleExpA*exp(doubleExpB*abs(x)))",RooArgSet(x,doubleExpA,doubleExpB));
RooPlot *MCNP_frame4 = x.frame();
doubleExp_pdf.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame4,Binning(bin_dcaxy));
doubleExp_pdf.plotOn(MCNP_frame4);
doubleExp_pdf.paramOn(MCNP_frame4);
MCNP_frame4->SetMaximum(max*10);
MCNP_frame4->SetMinimum(0.5);
MCNP_frame4->Draw();
*/
c_MCNP_ptArr[iPtBins]->SaveAs(Form("plots_functionfit/MCNP_FunCom_pt%dto%d.pdf",(int)ptLow,(int)ptHigh));
// fitres->Print(); not work for unknown reason.
/*
c_MCNP_ptArr[iPtBins]->cd(3);
RooPlot *MCNP_frame3= x.frame();
sg.setConstant(kFALSE);
gpxg->fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame3);
gpxg->plotOn(MCNP_frame3);
gpxg->paramOn(MCNP_frame3);
MCNP_frame3->SetMaximum(max+0.2*(max-min));
MCNP_frame3->Draw();
TLatex *tex_MCNPGaussF= new TLatex(0.18,0.75,"Exp.(x)Gaus.");
tex_MCNPGaussF->SetNDC();
tex_MCNPGaussF->SetTextFont(42);
tex_MCNPGaussF->SetTextSize(0.035);
tex_MCNPGaussF->SetLineWidth(2);
tex_MCNPGaussF->Draw();
c_MCNP_gauss->cd(iPtBins+1);
MCNP_frame3->Draw();
if(iPtBins==0){
TLatex *tex_MCNP_Gauss = new TLatex(0.18,0.75,Form("Non Prompt D, Gauss"));
tex_MCNP_Gauss->SetNDC();
tex_MCNP_Gauss->SetTextFont(42);
tex_MCNP_Gauss->SetTextSize(0.035);
tex_MCNP_Gauss->SetLineWidth(2);
tex_MCNP_Gauss->Draw();
}
TLatex *tex_MCNP_Gausspt = new TLatex(0.18,0.82,Form("%.1f<pt<%.1f",ptLow,ptHigh));
tex_MCNP_Gausspt->SetNDC();
tex_MCNP_Gausspt->SetTextFont(42);
tex_MCNP_Gausspt->SetTextSize(0.035);
tex_MCNP_Gausspt->SetLineWidth(2);
tex_MCNP_Gausspt->Draw();
c_MCNP_ptArr[iPtBins]->cd(2);
// RooFFTConvPdf gpxg2("gpxg2","exp (x) gauss2",x,gp,dgauss); dgauss can not perform FFT
RooNumConvPdf gpxg2("gpxg2","exp (x) gauss2",x,gp,dgauss);
sigma.setConstant(kTRUE);
ARatio.setConstant(kTRUE);
sigmaRatio.setConstant(kTRUE);
RooPlot *MCNP_frame2= x.frame();
// sg.setRange(0.0000001,0.1);
gpxg2.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame2);
gpxg2.plotOn(MCNP_frame2);
gpxg2.paramOn(MCNP_frame2);
MCNP_frame2->SetMaximum(max+0.2*(max-min));
MCNP_frame2->Draw();
TLatex *tex_MCNPpt= new TLatex(0.18,0.82,Form("%.1f<D P_{T}<%.1f",ptLow,ptHigh));
tex_MCNPpt->SetNDC();
tex_MCNPpt->SetTextFont(42);
tex_MCNPpt->SetTextSize(0.035);
tex_MCNPpt->SetLineWidth(2);
tex_MCNPpt->Draw();
TLatex *tex_MCNPGauss2= new TLatex(0.18,0.75,"Exp (x) Double Gass.");
tex_MCNPGauss2->SetNDC();
tex_MCNPGauss2->SetTextFont(42);
tex_MCNPGauss2->SetTextSize(0.035);
tex_MCNPGauss2->SetLineWidth(2);
tex_MCNPGauss2->Draw();
// double exponential fit
c_MCNP_ptArr[iPtBins]->cd(4);
*/
/*
c_MCNP_ptArr[iPtBins]->cd(4);
sigma.setConstant(kFALSE);
ARatio.setConstant(kFALSE);
sigmaRatio.setConstant(kFALSE);
RooPlot *MCNP_frame4= x.frame();
// sg.setRange(0.0000001,0.1);
gpxg2.fitTo(h_MCNP);
gpxg2.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame4);
gpxg2.plotOn(MCNP_frame4);
gpxg2.paramOn(MCNP_frame4);
MCNP_frame4->SetMaximum(max+0.2*(max-min));
MCNP_frame4->Draw();
TLatex *tex_MCNP2GaussF= new TLatex(0.18,0.75,"(x)Double Gauss;float");
tex_MCNP2GaussF->SetNDC();
tex_MCNP2GaussF->SetTextFont(42);
tex_MCNP2GaussF->SetTextSize(0.035);
tex_MCNP2GaussF->SetLineWidth(2);
tex_MCNP2GaussF->Draw();
*/
// c_MCNP_ptArr[iPtBins]->SaveAs(Form("plots_functionfit/MCNP_FunCom_pt%dto%d.pdf",(int)ptLow,(int)ptHigh));
////////////////////
///// fit to data //
////////////////////
c_data[iPtBins] = new TCanvas(Form("c_data_pt%i",iPtBins),Form("c_data_pt%i",iPtBins),1200,800);
c_data[iPtBins]->Divide(3,2);
c_data[iPtBins]->cd(1); //plot MC prompt fit
gPad->SetLogy();
MCP_frame->SetMaximum(MCP_frame->GetMaximum()*10);
MCP_frame->SetMinimum(1);
// gauss.plotOn(MCP_frame,LineColor(2));
MCP_frame->Draw();
tex_MCP->Draw();
tex_MCPGauss->Draw();
TLatex *tex_Datapt= new TLatex(0.18,0.68,Form("%.1f<D P_{T}<%.1f",ptLow,ptHigh));
tex_Datapt->SetNDC();
tex_Datapt->SetTextFont(42);
tex_Datapt->SetTextSize(0.035);
tex_Datapt->SetLineWidth(2);
tex_Datapt->Draw();
c_data[iPtBins]->cd(4); //plot MC Non prompt fit
gPad->SetLogy();
MCNP_frame2->Draw();
tex_MCNPpower->Draw();
tex_MCNP->Draw();
/*
MCNP_frame->SetMaximum(MCNP_frame->GetMaximum()*10);
MCNP_frame->SetMinimum(1);
MCNP_frame->Draw();
tex_MCNP->Draw();
TLatex *tex_MCNPGaussF= new TLatex(0.18,0.75,"Exp.(x)Gaus.");
tex_MCNPGaussF->SetNDC();
tex_MCNPGaussF->SetTextFont(42);
tex_MCNPGaussF->SetTextSize(0.035);
tex_MCNPGaussF->SetLineWidth(2);
tex_MCNPGaussF->Draw();
*/
c_data[iPtBins]->cd(2); //plot data fit , parameter fixed
h_DcaData[iPtBins]=(TH1D*)fDcaData->Get(Form("D0DcaDataOut_pt%i",iPtBins));
/*
TCanvas *c_dcadata = new TCanvas("c_dcadta");
c_dcadata->cd();
h_DcaData->
c_data[iPtBins]->cd(3);
*/
// gPad->SetLogy(); // not work .... <THistPainter::PaintInit>: log scale requested with a negative argument
// fixZeroBin(h_DcaData[iPtBins]);
// double maxdatah = h_DcaData[iPtBins]->GetMaximum();
// h_DcaData[iPtBins]->GetYaxis()->SetRangeUser(0.00001,maxdatah);
// h_DcaData[iPtBins]->SetMinimum(0.001);
RooDataHist h_Data("h_Data","h_Data",RooArgSet(x),h_DcaData[iPtBins]);
/* fraction fit
RooRealVar pfrac("pfrac","pfrac",0.5,0,1);
// RooRealVar npfrac("npfrac","npfrac",0.1);
RooAddPdf MCDCAmix_pdf("MCDCAmix_pdf","P+NP",RooArgList(gauss,gp),RooArgList(pfrac));
*/
// RooArgSet * comps=gpxp.getComponents();
RooRealVar pNum("Prompt","Prompt",20000,0,100000);
RooRealVar npNum("NonPrompt","NonPrompt",9000,0,100000);
// RooAddPdf MCDCAmix_pdf("MCDCAmix_pdf","P+NP exML",RooArgList(MCP_pdf,*MCNP_pdf),RooArgList(pNum,npNum));
RooAddPdf MCDCAmix_pdf("MCDCAmix_pdf","P+NP exML",RooArgList(MCP_pdf,power_pdf),RooArgList(pNum,npNum));
sigma.setConstant(kTRUE);
power_a.setConstant(kTRUE);
power_n.setConstant(kTRUE);
// alpha.setConstant(kTRUE);
// sg.setConstant(kTRUE);
// MCDCAmix_pdf.fitTo(h_Data);
MCDCAmix_pdf.fitTo(h_Data,Extended(kTRUE));
RooPlot* data_frame = x.frame();
h_Data.plotOn(data_frame,Binning(bin_dcaxy));
MCDCAmix_pdf.plotOn(data_frame,Components(RooArgSet(MCP_pdf,power_pdf)),LineColor(3));
MCDCAmix_pdf.plotOn(data_frame,Components(power_pdf),LineStyle(kDashed),LineColor(4));
MCDCAmix_pdf.plotOn(data_frame,Components(MCP_pdf),LineStyle(kDashed),LineColor(2));
MCDCAmix_pdf.paramOn(data_frame);
max = data_frame->GetMaximum();
min = data_frame->GetMinimum();
data_frame->SetMaximum(max+0.2*(max-min));
// data_frame->SetMinimum(0.1); // must after the plotOn
data_frame->Draw();
TLatex *tex_datafix= new TLatex(0.18,0.82,"Data, param. fix");
tex_datafix->SetNDC();
tex_datafix->SetTextFont(42);
tex_datafix->SetTextSize(0.035);
tex_datafix->SetLineWidth(2);
tex_datafix->Draw();
// fill in output
h_PromptYield_fix->SetBinContent(iPtBins+1,pNum.getVal());
h_PromptYield_fix->SetBinError(iPtBins+1,pNum.getError());
h_NonPromptYield_fix->SetBinContent(iPtBins+1,npNum.getVal());
h_NonPromptYield_fix->SetBinError(iPtBins+1,npNum.getError());
h_NonPromptFraction_fix->SetBinContent(iPtBins+1,npNum.getVal()/(pNum.getVal()+npNum.getVal()));
h_NonPromptFraction_fix->SetBinError(iPtBins+1,npNum.getError()/(pNum.getVal()+npNum.getVal()));
c_data[iPtBins]->cd(5);
gPad->SetLogy();
RooPlot* data_framelog = x.frame();
h_Data.plotOn(data_framelog,Binning(bin_dcaxy));
MCDCAmix_pdf.plotOn(data_framelog,Components(RooArgSet(MCP_pdf,power_pdf)),LineColor(3));
MCDCAmix_pdf.plotOn(data_framelog,Components(power_pdf),LineStyle(kDashed),LineColor(4));
MCDCAmix_pdf.plotOn(data_framelog,Components(MCP_pdf),LineStyle(kDashed),LineColor(2));
// MCDCAmix_pdf.paramOn(data_framelog);
max = data_framelog->GetMaximum();
min = data_frame->GetMinimum();
data_framelog->SetMaximum(10*max);
data_framelog->SetMinimum(0.5); // must after the plotOn
data_framelog->Draw();
tex_datafix->Draw();
c_data[iPtBins]->cd(3);
sigma.setConstant(kFALSE);
power_a.setConstant(kFALSE);
power_n.setConstant(kFALSE);
MCDCAmix_pdf.fitTo(h_Data,Extended(kTRUE));
RooPlot* data_frame2 = x.frame();
h_Data.plotOn(data_frame2,Binning(bin_dcaxy));
MCDCAmix_pdf.plotOn(data_frame2,Components(RooArgSet(MCP_pdf,power_pdf)),LineColor(3));
MCDCAmix_pdf.plotOn(data_frame2,Components(power_pdf),LineStyle(kDashed),LineColor(4));
MCDCAmix_pdf.plotOn(data_frame2,Components(MCP_pdf),LineStyle(kDashed),LineColor(2));
MCDCAmix_pdf.paramOn(data_frame2);
max = data_frame2->GetMaximum();
min = data_frame2->GetMinimum();
data_frame2->SetMaximum(max+0.2*(max-min));
data_frame2->Draw();
TLatex *tex_datafloat= new TLatex(0.18,0.82,"Data, param. float");
tex_datafloat->SetNDC();
tex_datafloat->SetTextFont(42);
tex_datafloat->SetTextSize(0.035);
tex_datafloat->SetLineWidth(2);
tex_datafloat->Draw();
// fill in output
h_PromptYield_float->SetBinContent(iPtBins+1,pNum.getVal());
h_PromptYield_float->SetBinError(iPtBins+1,pNum.getError());
h_NonPromptYield_float->SetBinContent(iPtBins+1,npNum.getVal());
h_NonPromptYield_float->SetBinError(iPtBins+1,npNum.getError());
h_NonPromptFraction_float->SetBinContent(iPtBins+1,npNum.getVal()/(pNum.getVal()+npNum.getVal()));
h_NonPromptFraction_float->SetBinError(iPtBins+1,npNum.getError()/(pNum.getVal()+npNum.getVal()));
c_data[iPtBins]->cd(6);
gPad->SetLogy();
RooPlot *data_frame2log = x.frame();
h_Data.plotOn(data_frame2log,Binning(bin_dcaxy));
MCDCAmix_pdf.plotOn(data_frame2log,Components(RooArgSet(MCP_pdf,power_pdf)),LineColor(3));
MCDCAmix_pdf.plotOn(data_frame2log,Components(power_pdf),LineStyle(kDashed),LineColor(4));
MCDCAmix_pdf.plotOn(data_frame2log,Components(MCP_pdf),LineStyle(kDashed),LineColor(2));
// MCDCAmix_pdf.paramOn(data_frame2);
max = data_frame2log->GetMaximum();
// min = data_frame2->GetMinimum();
data_frame2log->SetMaximum(10*max);
data_frame2log->SetMinimum(0.5);
data_frame2log->Draw();
tex_datafloat->Draw();
c_data[iPtBins]->SaveAs(Form("plots_functionfit/fitdata_pt%dto%d.pdf",(int)ptLow,(int)ptHigh));
} // end for iPtBins
/*
c_MCP_gauss->SaveAs("plots_functionfit/MCP_Gauss_Ptall.pdf");
c_MCP_gauss2->SaveAs("plots_functionfit/MCP_Gauss2_Ptall.pdf");
c_MCNP_gauss->SaveAs("plots_functionfit/MCNP_Gauss_Ptall.pdf");
*/
divideBinWidth(h_PromptYield_fix);
divideBinWidth(h_NonPromptYield_fix);
divideBinWidth(h_PromptYield_float);
divideBinWidth(h_NonPromptYield_float);
TCanvas *c_dataPtall = new TCanvas("c_dataPtall","c_dataPtall",1000,600);
c_dataPtall->Divide(3,2);
c_dataPtall->cd(1);
gPad->SetLogy();
h_PromptYield_fix->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_PromptYield_fix->GetYaxis()->SetTitle("Prompt Yield (fix)");
h_PromptYield_fix->Draw();
c_dataPtall->cd(2);
gPad->SetLogy();
h_NonPromptYield_fix->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_NonPromptYield_fix->GetYaxis()->SetTitle("NonPrompt Yield (fix)");
h_NonPromptYield_fix->Draw();
c_dataPtall->cd(3);
h_NonPromptFraction_fix->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_NonPromptFraction_fix->GetYaxis()->SetTitle("NonPrompt Fraction (fix)");
h_NonPromptFraction_fix->Draw();
c_dataPtall->cd(4);
gPad->SetLogy();
h_PromptYield_float->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_PromptYield_float->GetYaxis()->SetTitle("Prompt Yield (float)");
h_PromptYield_float->Draw();
c_dataPtall->cd(5);
gPad->SetLogy();
h_NonPromptYield_float->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_NonPromptYield_float->GetYaxis()->SetTitle("NonPrompt Yield (float)");
h_NonPromptYield_float->Draw();
c_dataPtall->cd(6);
h_NonPromptFraction_float->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_NonPromptFraction_float->GetYaxis()->SetTitle("NonPrompt Fraction (float)");
// h_NonPromptFraction_float->SetMaximum(1);;
h_NonPromptFraction_float->Draw();
c_dataPtall->SaveAs("plots_functionfit/fitPt_spectrum.pdf");
TH1D *h_PromptYield_tmp = (TH1D*)fDcaData->Get("hPromptDRawYield");
TH1D *h_NonPromptYield_tmp = (TH1D*)fDcaData->Get("hBtoDRawYield");
TH1D *h_PromptYield_diff = new TH1D("h_PromptYield_diff","h_PromptYield_diff",nPtBins,ptBins);
TH1D *h_NonPromptYield_diff = new TH1D("h_PromptYield_diff","h_PromptYield_diff",nPtBins,ptBins);
TH1D *h_PromptYield_RelErr = new TH1D("h_PromptYield_RelErr","h_PromptYield_RelErr",nPtBins,ptBins);
TH1D *h_NonPromptYield_RelErr = new TH1D("h_NonPromptYield_RelErr","h_NonPromptYield_RelErr",nPtBins,ptBins);
for(int iPtBins =0;iPtBins<nPtBins; iPtBins++){
h_PromptYield_diff->SetBinContent(iPtBins+1,h_PromptYield_float->GetBinContent(iPtBins+1)-h_PromptYield_tmp->GetBinContent(iPtBins+1));
h_NonPromptYield_diff->SetBinContent(iPtBins+1,h_NonPromptYield_float->GetBinContent(iPtBins+1)-h_NonPromptYield_tmp->GetBinContent(iPtBins+1));
h_PromptYield_RelErr->SetBinContent(iPtBins+1,abs((h_PromptYield_float->GetBinContent(iPtBins+1)-h_PromptYield_tmp->GetBinContent(iPtBins+1))/h_PromptYield_tmp->GetBinContent(iPtBins+1)));
h_NonPromptYield_RelErr->SetBinContent(iPtBins+1,abs((h_NonPromptYield_float->GetBinContent(iPtBins+1)-h_NonPromptYield_tmp->GetBinContent(iPtBins+1))/h_NonPromptYield_tmp->GetBinContent(iPtBins+1)));
}
TCanvas *c_yield_sys = new TCanvas("c_yield_sys","c_yield_sys",800,800);
c_yield_sys->Divide(2,2);
c_yield_sys->cd(1);
gPad->SetLogy();
// h_PromptYield_tmp->SetMarkerStyle(24);
// h_PromptYield_tmp->SetMarkerColor(4);
// h_PromptYield_tmp->SetLinceColor(4);
SetHistStyle(h_PromptYield_tmp,4);
h_PromptYield_tmp->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_PromptYield_tmp->Draw();
// h_PromptYield_float->SetMarkerStyle(24);
// h_PromptYield_float->SetMarkerColor(2);
// h_PromptYield_float->SetLineColor(2);
SetHistStyle(h_PromptYield_float,2);
h_PromptYield_float->Draw("same");
TLegend *le_PromptYield = new TLegend(0.65,0.65,0.88,0.88);
le_PromptYield->SetBorderSize(0);
le_PromptYield->AddEntry((TObject*)0,"Prompt Yield","");
le_PromptYield->AddEntry(h_PromptYield_tmp,"template fit","l");
le_PromptYield->AddEntry(h_PromptYield_float,"function fit","l");
le_PromptYield->Draw();
c_yield_sys->cd(2);
gPad->SetLogy();
// h_NonPromptYield_tmp->SetMarkerStyle(24);
// h_NonPromptYield_tmp->SetMarkerColor(4);
// h_NonPromptYield_tmp->SetLinceColor(4);
SetHistStyle(h_NonPromptYield_tmp,4);
h_NonPromptYield_tmp->GetXaxis()->SetTitle("D P_{T} (GeV/c)");
h_NonPromptYield_tmp->Draw();
// h_NonPromptYield_float->SetMarkerStyle(24);
// h_NonPromptYield_float->SetMarkerColor(2);
// h_NonPromptYield_float->SetLineColor(2);
SetHistStyle(h_NonPromptYield_float,2);
h_NonPromptYield_float->Draw("same");
TLegend *le_NonPromptYield = new TLegend(0.65,0.65,0.88,0.88);
le_NonPromptYield->SetBorderSize(0);
le_NonPromptYield->AddEntry((TObject*)0,"NonPrompt Yield","");
le_NonPromptYield->AddEntry(h_NonPromptYield_tmp,"template fit","l");
le_NonPromptYield->AddEntry(h_NonPromptYield_float,"function fit","l");
le_NonPromptYield->Draw();
c_yield_sys->cd(3);
h_PromptYield_RelErr->Draw();
TLatex *tex_promptY_RelErr= new TLatex(0.18,0.82,"Prompt Yield rel.Err");
tex_promptY_RelErr->SetNDC();
tex_promptY_RelErr->SetTextFont(42);
tex_promptY_RelErr->SetTextSize(0.035);
tex_promptY_RelErr->SetLineWidth(2);
tex_promptY_RelErr->Draw();
c_yield_sys->cd(4);
// h_NonPromptYield_RelErr->SetMaximum(1);
h_NonPromptYield_RelErr->Draw();
TLatex *tex_NonpromptY_RelErr= new TLatex(0.18,0.82,"NonPrompt Yield rel.Err");
tex_NonpromptY_RelErr->SetNDC();
tex_NonpromptY_RelErr->SetTextFont(42);
tex_NonpromptY_RelErr->SetTextSize(0.035);
tex_NonpromptY_RelErr->SetLineWidth(2);
tex_NonpromptY_RelErr->Draw();
c_yield_sys->SaveAs("plots_functionfit/Yield_sys.pdf");
fout->cd();
h_PromptYield_fix->Write();
h_NonPromptYield_fix->Write();
h_NonPromptFraction_fix->Write();
h_PromptYield_float->Write();
h_NonPromptYield_float->Write();
h_NonPromptFraction_float->Write();
h_PromptYield_diff->Write();
h_NonPromptYield_diff->Write();
h_PromptYield_RelErr->Write();
h_NonPromptYield_RelErr->Write();
fout->Write();
fout->Close(); // this will delete all object on plot
cout<<"end of main"<<endl;
/*
TCanvas *c_DCA_xy = new TCanvas("c_DCA_xy","c_DCA_xy",600,600);
c_DCA_xy->cd();
h_MCP_DCAxy->SetLineColor(1);
h_MCP_DCAxy->Draw();
h_MCNP_DCAxy->SetLineColor(4);
h_MCNP_DCAxy->Draw("SAME");
TCanvas *c_MCP = new TCanvas("c_MCP","c_MCP",600,600);
c_MCP->cd();
TF1 *f_MCP = new TF1("f_MCP",&fun_MCP,-0.05,0.0,5);
// f_MCP->SetParameters(h_MCP_DCAxy->Integral(), 0, h_MCP_DCAxy->GetRMS());
f_MCP->SetParameters(77770, 0.7, 0,0.002726,2);
f_MCP->FixParameter(2,0);
f_MCP->SetParLimits(1,0,1);
f_MCP->SetParLimits(4,1,1000);
cout<<"integral = "<<h_MCP_DCAxy->Integral()<<" , RMS = "<<h_MCP_DCAxy->GetRMS()<<endl;
TFitResultPtr fitResult;
fitResult = h_MCP_DCAxy->Fit("f_MCP","MR","",-0.05,0.05);
int fitStatus=1;
fitStatus= fitResult->Status();
cout<<"fit precision: "<<TFitter::GetPrecision()<<" status: "<<fitStatus<<endl;
h_MCP_DCAxy->Draw();
f_MCP->Draw("flsame");
TCanvas *c_RoofitMCP = new TCanvas("c_RoofitMCP","c_RoofitMCP",800,800);
c_RoofitMCP->Divide(2,2);
c_RoofitMCP->cd(1);
RooRealVar x("x","dca_xy",-0.05,0.05);
// RooRealVar mean("mean","mean",0,-0.02,0.02);
RooRealVar mean("mean","mean",0);
RooRealVar sigma("sigma","sigma",0.003,0.00001,0.02);
RooGaussian gauss("gauss","gaussian PDF",x,mean,sigma);
RooPlot* MCP_frame = x.frame();
RooDataHist h_MCP("h_MCP","h_MCP",RooArgList(x),h_MCP_DCAxy);
gauss.fitTo(h_MCP);
h_MCP.plotOn(MCP_frame);
gauss.plotOn(MCP_frame);
gauss.paramOn(MCP_frame);
MCP_frame->Draw();
c_RoofitMCP->cd(2);
gPad->SetLogy();
MCP_frame->Draw();
c_RoofitMCP->cd(3);
RooRealVar ARatio("ARatio","ARatio",0.5,0,1);
RooRealVar sigmaRatio("sigmaRatio","sigmaRatio",1.24,1.000001,100000);
RooGenericPdf dgauss("dgauss","Double Gaussian","ARatio*exp(-pow((x-mean)/sigma,2)/2)+(1-ARatio)*exp(-pow((x-mean)/(sigma*sigmaRatio),2)/2)",RooArgSet(x,mean,sigma,ARatio,sigmaRatio));
// RooGenericPdf dgauss("dgauss","Double Gaussian", "exp(-pow((x-mean)/sigma,2)/2)" ,RooArgSet(x,mean,sigma));
dgauss.fitTo(h_MCP);
RooPlot* MCP_frame2 = x.frame();
h_MCP.plotOn(MCP_frame2);
dgauss.plotOn(MCP_frame2);
dgauss.paramOn(MCP_frame2);
MCP_frame2->Draw();
c_RoofitMCP->cd(4);
gPad->SetLogy();
MCP_frame2->Draw();
TCanvas *c_RoofitMCNP = new TCanvas("c_RoofitMCNP","c_RoofitMCNP",800,800);
c_RoofitMCNP->Divide(2,2);
c_RoofitMCNP->cd(1);
RooRealVar dca("dca","dca_xy",-0.05,0.05);
RooRealVar alpha("alpha","alpha",-100,-20000,-0.00001);
RooGenericPdf gp("gp","Generic PDF","exp(abs(dca)*alpha)",RooArgSet(dca,alpha));
RooPlot * MCNP_frame = dca.frame();
RooDataHist h_MCNP("h_MCNP","h_MCNP",RooArgSet(dca),h_MCNP_DCAxy);
gp.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame);
gp.plotOn(MCNP_frame);
MCNP_frame->Draw();
c_RoofitMCNP->cd(2);
gPad->SetLogy();
MCNP_frame->Draw();
// TCanvas *c_RoofitMCNP_Conv = new TCanvas("c_RoofitMCNP_Conv","c_RoofitMCNP_Conv",600,600);
// RooRealVar dca("dca","dca",-0.05,0.05);
// RooRealVar alpha("alpha","alpha",-100,-20000,-0.00001);
// RooGenericPdf gp("gp","Generic PDF","exp(abs(dca)*alpha)",RooArgSet(dca,alpha));
c_RoofitMCNP->cd(3);
RooRealVar mg("mg","mg",0);
RooRealVar sg("sg","sg",0.0001,0.0000001,0.1);
RooGaussian gauss2("gauss2","gauss2",dca,mg,sg);
dca.setBins(10000,"cache");
RooFFTConvPdf gpxg("gpxg","exp (x) gauss",dca,gp,gauss2);
RooPlot * MCNP_frame2 = dca.frame();
// RooDataHist h_MCNP("h_MCNP","h_MCNP",RooArgSet(dca),h_MCNP_DCAxy);
gpxg.fitTo(h_MCNP);
h_MCNP.plotOn(MCNP_frame2);
gpxg.plotOn(MCNP_frame2);
gpxg.paramOn(MCNP_frame2);
// MCNP_frame2->GetXaxis()->SetTitle("set x title");
MCNP_frame2->Draw();
c_RoofitMCNP->cd(4);
gPad->SetLogy();
MCNP_frame2->Draw();
TCanvas *c_MCNP = new TCanvas("c_MCNP","c_MCNP",600,600);
c_MCNP->cd();
TF1 *f_MCNP = new TF1("f_MCNP",&fun_MCNP,-0.05,0.05,2);
f_MCNP->SetParameters(1000,-3);
TFitResultPtr fitResult_MCNP;
fitResult_MCNP = h_MCNP_DCAxy->Fit("f_MCNP","MR","",-0.05,0.05);
int fitStatus_MCNP=1;
fitStatus_MCNP = fitResult_MCNP->Status();
h_MCNP_DCAxy->Draw();
f_MCNP->Draw("flsame");
*/
////
cout<<"MCPsigmaVal ="<<MCPsigmaVal<<endl;
}
void much_pol_histo(){
TString dir = "data/";
TString accFileName = dir+"polHisto.root";
TString genFileName = dir+"polHisto.root";
TString recFileName = dir+"recHisto.root";
hyperon_style();
TFile* f = new TFile(accFileName,"read");
TH3D* hJpsiAllYPtCost = (TH3D*) f->Get("fhJpsiAllYPtCost");
TH3D* hJpsiRecYPtCost = (TH3D*) f->Get("fhJpsiRecYPtCost");
hJpsiAllYPtCost->Sumw2();
hJpsiRecYPtCost->Sumw2();
TH3D* hJpsiEffYPtCost = (TH3D*) hJpsiRecYPtCost->Clone();
hJpsiEffYPtCost->Divide(hJpsiAllYPtCost);
Int_t binsY = hJpsiAllYPtCost->GetXaxis()->GetNbins();
Double_t minY = hJpsiAllYPtCost->GetXaxis()->GetXmin();
Double_t maxY = hJpsiAllYPtCost->GetXaxis()->GetXmax();
Int_t binsPt = hJpsiAllYPtCost->GetYaxis()->GetNbins();
Double_t minPt = hJpsiAllYPtCost->GetYaxis()->GetXmin();
Double_t maxPt = hJpsiAllYPtCost->GetYaxis()->GetXmax();
Int_t binsCost = hJpsiAllYPtCost->GetZaxis()->GetNbins();
Double_t minCost = hJpsiAllYPtCost->GetZaxis()->GetXmin();
Double_t maxCost = hJpsiAllYPtCost->GetZaxis()->GetXmax();
TH2D** hFidYPt = new TH2D*[binsCost];
TH2D** hAndYPt = new TH2D*[binsCost];
// Create fiducial regions
for (Int_t icost=1;icost<=binsCost;icost++){
hFidYPt[icost-1] = new TH2D(Form("hFidYPt%2i",icost),Form("hFidYPt%2i",icost),binsY,minY,maxY,binsPt,minPt,maxPt);
hAndYPt[icost-1] = new TH2D(Form("hAndYPt%2i",icost),Form("hAndYPt%2i",icost),binsY,minY,maxY,binsPt,minPt,maxPt);
for (Int_t iy=1;iy<=binsY;iy++){
for (Int_t ipt=1;ipt<=binsPt;ipt++){
Double_t rec = hJpsiRecYPtCost->GetBinContent(iy,ipt,icost);
hFidYPt[icost-1]->SetBinContent(iy,ipt,1);
hAndYPt[icost-1]->SetBinContent(iy,ipt,1);
if (rec>200) continue;
hJpsiEffYPtCost->SetBinContent(iy,ipt,icost,0.);
hFidYPt[icost-1]->SetBinContent(iy,ipt,0);
}
}
}
for (Int_t icost=1;icost<=binsCost/2;icost++){
for (Int_t i=icost;i<=binsCost+1-icost;i++)
hAndYPt[icost-1]->Multiply(hFidYPt[i-1]);
}
TCanvas* cFiducial = new TCanvas("cFiducial","cFiducial",200*5,200*4);
cFiducial->Divide(5,4);
for (Int_t icost=1;icost<=binsCost;icost++){
cFiducial->cd(icost);
gPad->SetRightMargin(0.1);
hFidYPt[icost-1]->Draw("colz");
}
TCanvas* cAnd = new TCanvas("cAnd","cAnd",200*5,200*2);
cAnd->Divide(5,2);
for (Int_t icost=1;icost<=binsCost/2;icost++){
cAnd->cd(icost);
gPad->SetRightMargin(0.1);
hAndYPt[icost-1]->Draw("colz");
}
TH3D* hJpsiRecEffCorrectedYPtCost = (TH3D*) hJpsiRecYPtCost->Clone();
hJpsiRecEffCorrectedYPtCost->Divide(hJpsiEffYPtCost);
// TH1D* hJpsiAllCost = hJpsiAllYPtCost->ProjectionZ();
// TH1D* hJpsiRecEffCorrectedCost = hJpsiRecEffCorrectedYPtCost->ProjectionZ();
// TH1D** hJpsiRecEffCorrectedCost = new TH1D*[nBinsPt];
// hJpsiAllCost->SetMinimum(0);
// hJpsiAllCost->SetLineColor(kBlue);
// hJpsiRecEffCorrectedCost->SetLineColor(kRed);
//
// TCanvas* cCost = new TCanvas("cCost","Cos #theta distributions",400,400);
// hJpsiAllCost->Draw();
// hJpsiRecEffCorrectedCost->Draw("same");
TH1D* hRecCost[nBinsPt];
TH1D* hAccCost[nBinsPt];
TH1D* hAllCost[nBinsPt];
TH1D* haccRecCost[nBinsPt];
TH1D* haccAllCost[nBinsPt];
TH1D* hResCost[nBinsPt];
for (Int_t i=0;i<nBinsPt;i++){
hRecCost[i] = new TH1D(Form("hRecCost%d",i),Form("hRecCost%d",i),binsCost,minCost,maxCost);
hAllCost[i] = new TH1D(Form("hAllCost%d",i),Form("hAllCost%d",i),binsCost,minCost,maxCost);
hAccCost[i] = new TH1D(Form("hAccCost%d",i),Form("hAccCost%d",i),binsCost,minCost,maxCost);
hResCost[i] = new TH1D(Form("hResCost%d",i),Form("hResCost%d",i),binsCost,minCost,maxCost);
haccRecCost[i] = new TH1D(Form("haccRecCost%d",i),Form("haccRecCost%d",i),binsCost,minCost,maxCost);
haccAllCost[i] = new TH1D(Form("haccAllCost%d",i),Form("haccAllCost%d",i),binsCost,minCost,maxCost);
}
TH2D* vhAndYPt[nBinsPt];
// TH2D* vhAndGenYPt[nBinsPt];
for (Int_t iBin=0;iBin<nBinsPt;iBin++){
vhAndYPt[iBin]=hAndYPt[minCosBin[iBin]];
// vhAndGenYPt[iBin]=hAndGenYPt[minCosBin[iBin]];
}
TFile* accFile = new TFile(accFileName.Data());
TH3D* haccAllYPtCost = (TH3D*) accFile->Get("fhJpsiAllYPtCost");
TH3D* haccRecYPtCost = (TH3D*) accFile->Get("fhJpsiRecYPtCost");
FillCos(haccRecCost,haccRecYPtCost,vhAndYPt,0);
FillCos(haccAllCost,haccAllYPtCost,vhAndYPt,0);
TFile* genFile = new TFile(genFileName.Data());
TH3D* hAllYPtCost = (TH3D*) genFile->Get("fhJpsiAllYPtCost");
TH3D* hRecYPtCost = (TH3D*) genFile->Get("fhJpsiRecYPtCost");
FillCos(hRecCost,hRecYPtCost,vhAndYPt,1);
FillCos(hAllCost,hAllYPtCost,vhAndYPt,0);
for (Int_t i=0;i<nBinsPt;i++){
hAccCost[i]->Divide(haccRecCost[i],haccAllCost[i]);
hResCost[i]->Divide(hRecCost[i],hAccCost[i]);
}
Int_t nEntries[nBinsPt];
for (Int_t i=0;i<nBinsPt;i++){
nEntries[i]=0;
for (Int_t j=0;j<=20;j++){ nEntries[i]+= (Int_t) hRecCost[i]->GetBinContent(j);}
// nEntries[i] = hRecCos[i]->Integral();
// cout << "bin: " << i+1 << "rec: " << nEntries[i] << endl;
}
TCanvas* c1 = new TCanvas("c1","",nBinsPt*240,2*240);
c1->Divide(nBinsPt,2);
Double_t alpha[nBinsPt];
Double_t error[nBinsPt];
for (Int_t i=0;i<nBinsPt;i++){
c1->cd(i+1+nBinsPt*0);
hAccCost[i]->SetTitle(Form("Acceptance vs cos #theta: %3.1f < pt < %3.1f; cos #theta; Acceptance",rangePt[i],rangePt[i+1]));
hAccCost[i]->Draw();
c1->cd(i+1+nBinsPt*1);
Float_t cosMin=-1+(minCosBin[i]-1)*0.1;
Float_t cosMax=-1+maxCosBin[i]*0.1;
TF1* fPolar = new TF1(Form("fPolar%i_pt",i+1),"[0]*(1+[1]*x*x)",cosMin,cosMax);
fPolar->SetLineColor(kRed);
//fPolar->SetLineWidth(1);
hResCost[i]->Fit(fPolar,"R");
hAllCost[i]->SetMinimum(0);
hAllCost[i]->SetTitle(Form("Reconstructed vs cos #theta: %3.1f < pt < %3.1f; cos #theta;",rangePt[i],rangePt[i+1]));
hAllCost[i]->Draw();
hResCost[i]->SetLineColor(kBlue);
hResCost[i]->SetLineWidth(1);
hResCost[i]->Draw("e same");
alpha[i] = fPolar->GetParameter(1);
error[i] = fPolar->GetParError(1);
TLegend* l1 = new TLegend(0.22,0.15,0.78,0.38);
l1->AddEntry(hAllCost[i],"Simulated, #alpha=-1.0");
l1->AddEntry(hResCost[i],"Reconstructed");
l1->AddEntry(fPolar,Form("Rec. fit: #alpha=%4.3f #pm %4.3f", alpha[i], error[i]));
l1->Draw();
gPad->Print(Form("%i.png",i));
}
printf("==== Alpha ==================================\n");
for (Int_t i=0;i<nBinsPt;i++) printf(" %6.3f ",alpha[i]);
printf("\n");
printf("===============================================\n");
printf("==== Error ==================================\n");
for (Int_t i=0;i<nBinsPt;i++) printf(" %6.3f ",error[i]);
printf("\n");
printf("===============================================\n");
TH1D* hAlpha = new TH1D("hAlpha","#alpha vs p_{t};p_{t} [GeV/c];#alpha",nBinsPt,rangePt);
for (Int_t i=0;i<nBinsPt;i++) {
hAlpha->SetBinContent(i+1,alpha[i]);
hAlpha->SetBinError (i+1,error[i]);
}
TCanvas* cAlpha = new TCanvas("cAlpha");
cAlpha->cd();
hAlpha->SetMinimum(-1);
hAlpha->SetMaximum(1);
hAlpha->SetLineColor(kBlue);
hAlpha->SetLineWidth(1);
hAlpha->GetXaxis()->SetRangeUser(0.,10.);
hAlpha->Draw();
TFile* recFile = new TFile(recFileName,"recreate");
for (Int_t i=0;i<nBinsPt;i++){
hAccCost[i]->Write();
hAllCost[i]->Write();
hRecCost[i]->Write();
hResCost[i]->Write();
}
hAlpha->Write();
recFile->Close();
}
