Bool_t THSEventsFit::InitialiseFit(){
if(GetDataSet()->numEntries()<2) {cout<<" THSEventsFit::InitialiseFit() less than 2 entries in dataset!"<<endl; return kFALSE;}
RooAbsPdf* pdf=0;
Long64_t PdfN[GetPDFs().getSize()];
Long64_t TotalN=0;
for(Int_t ip=0;ip<GetPDFs().getSize();ip++){
pdf=(RooAbsPdf*)&(GetPDFs()[ip]);
THSEventsPDF* mpdf=0;
cout<<" THSEventsFit::InitialiseFit(); PDFs "<<pdf->GetName()<<endl;
if(mpdf=dynamic_cast<THSEventsPDF*>(pdf)){//Only applies to THSEventsPDF
if(!(mpdf->GetHistPdf())){
cout<<"Start smeared model "<<gDirectory->GetName()<<endl;
PdfN[ip]=mpdf->AddSmearedModel(0,GetAuxVars());
cout<<"Stop smeared model "<<gDirectory->GetName()<<endl;
TotalN+=PdfN[ip];
if(PdfN[ip]<10) {
cout<<" THSEventsFit::InitialiseFit() no events found for "<<GetName()<<" MODEL: "<<pdf->GetName()<<" probably no events kinmatically allowed in this bin" <<endl;
GetPDFsp()->remove(GetPDFs()[ip]);
GetYieldsp()->remove(*(GetWorkSpace()->var(fYld+pdf->GetName())));
GetWorkSpace()->removeSet("Yields");
GetWorkSpace()->removeSet("PDFs");
GetWorkSpace()->defineSet("Yields",GetYields());
GetWorkSpace()->defineSet("PDFs",GetPDFs());
}
}
}
}
for(Int_t ip=0;ip<GetPDFs().getSize();ip++){
if(PdfN[ip]/TotalN<fAccFrac){
// cout<<" THSEventsFit::InitialiseFit() "<<GetName()<<" MODEL: "<<GetPDFs()[ip]->GetName()<<" N events below acceptance fraction so not considered significant enough background " <<PdfN[ip] <<" out of "<<TotalN<<endl;
GetPDFsp()->remove(GetPDFs()[ip]);
GetYieldsp()->remove(*(GetWorkSpace()->var(fYld+pdf->GetName())));
GetWorkSpace()->removeSet("Yields");
GetWorkSpace()->removeSet("PDFs");
GetWorkSpace()->defineSet("Yields",GetYields());
GetWorkSpace()->defineSet("PDFs",GetPDFs());
}
}
if(GetPDFs().getSize()) TotalPDF();
else {
cout<<" THSEventsFit::InitialiseFit() no model found for "<<GetName()<<" probably no events kinmatically allowed in this bin" <<endl;
return kFALSE;
}
return kTRUE;
}
int main(int argc, const char** argv){
bool ReDoCuts=false;
TCut TwelveCut = "gamma_CL>0.1&&BDT_response>0.36&&piplus_MC12TuneV3_ProbNNpi>0.2&&piminus_MC12TuneV3_ProbNNpi>0.2&&Kaon_MC12TuneV3_ProbNNk>0.4";
TCut ElevenCut = "gamma_CL>0.1&&BDT_response>0.30&&piplus_MC12TuneV3_ProbNNpi>0.2&&piminus_MC12TuneV3_ProbNNpi>0.2&&Kaon_MC12TuneV3_ProbNNk>0.4";
//______________________________MAKE CUT FILE FOR 2012___________________________________
if(ReDoCuts){
DataFile MCA(std::getenv("BUKETAPMCBDTRESPROOT"),MC,Twel,MagAll,buketap,"BDTApplied_SampleA");
DataFile MCB(std::getenv("BUKETAPMCBDTRESPROOT"),MC,Twel,MagAll,buketap,"BDTApplied_SampleB");
TreeReader* MC12Reader= new TreeReader("DecayTree");
MC12Reader->AddFile(MCA);
MC12Reader->AddFile(MCB);
MC12Reader->Initialize();
TFile* MC12Cut = new TFile("CutFile12.root","RECREATE");
TTree* MC12CutTree=MC12Reader->CopyTree(TwelveCut,-1,"DecayTree");
TRandom3 *MCRand = new TRandom3(224);
TH1I * MCnCands12= new TH1I("MCnCands12","MCnCands12",10,0,10);
TTree*MC12SingleTree=HandyFunctions::GetSingleTree(MCRand,MC12CutTree,MCnCands12,NULL);
MCnCands12->Write();
MC12SingleTree->Write();
MC12Cut->Close();
//________________________________MAKE CUT FILE FOR 2011__________________________________
DataFile MC11A(std::getenv("BUKETAPMCBDTRESPROOT"),MC,Elev,MagAll,buketap,"BDTApplied_SampleA");
DataFile MC11B(std::getenv("BUKETAPMCBDTRESPROOT"),MC,Elev,MagAll,buketap,"BDTApplied_SampleB");
TreeReader* MC11Reader= new TreeReader("DecayTree");
MC11Reader->AddFile(MC11A);
MC11Reader->AddFile(MC11B);
MC11Reader->Initialize();
TFile* MC11Cut = new TFile("CutFile11.root","RECREATE");
TTree* MC11CutTree=MC11Reader->CopyTree(ElevenCut,-1,"DecayTree");
TH1I * MCnCands11= new TH1I("MCnCands11","MCnCands11",10,0,10);
TTree* MC11SingleTree=HandyFunctions::GetSingleTree(MCRand,MC11CutTree,MCnCands11,NULL);
MCnCands11->Write();
MC11SingleTree->Write();
MC11Cut->Close();
//_________________________________ MAKE FLAT TREES ____________________________________
TFile* MC12Input = new TFile("CutFile12.root");
TTree* MC12InputTree=(TTree*)MC12Input->Get("DecayTree");
Float_t MCEta_Mass12[20]; MC12InputTree->SetBranchAddress("Bu_DTFNoFix_eta_prime_M",&MCEta_Mass12);
Int_t isSingle12; MC12InputTree->SetBranchAddress("isSingle",&isSingle12);
TFile* MC12FlatOut = new TFile("MCMinimalFile12.root","RECREATE");
TTree* MC12FlatTree = MC12InputTree->CloneTree(0);
Double_t MCBu_DTFNoFix_eta_Prime_MF12; MC12FlatTree->Branch("Bu_DTFNoFix_eta_prime_MF",&MCBu_DTFNoFix_eta_Prime_MF12,"Bu_DTFNoFix_eta_prime_MF/D");
Long64_t Entries12=MC12InputTree->GetEntries();
for(int i=0;i<Entries12;++i){
MC12InputTree->GetEntry(i);
if(isSingle12==0)continue;
MCBu_DTFNoFix_eta_Prime_MF12=MCEta_Mass12[0];
MC12FlatTree->Fill();
}
MC12FlatTree->Write();
MC12FlatOut->Close();
TFile* MC11Input = new TFile("CutFile11.root");
TTree* MC11InputTree=(TTree*)MC11Input->Get("DecayTree");
Float_t MCEta_Mass11[20]; MC11InputTree->SetBranchAddress("Bu_DTFNoFix_eta_prime_M",&MCEta_Mass11);
Int_t isSingle11; MC11InputTree->SetBranchAddress("isSingle",&isSingle11);
TFile* MC11FlatOut = new TFile("MCMinimalFile11.root","RECREATE");
TTree* MC11FlatTree = MC11InputTree->CloneTree(0);
Double_t MCBu_DTFNoFix_eta_Prime_MF11; MC11FlatTree->Branch("Bu_DTFNoFix_eta_prime_MF",&MCBu_DTFNoFix_eta_Prime_MF11,"Bu_DTFNoFix_eta_prime_MF/D");
Long64_t Entries11=MC11InputTree->GetEntries();
for(int i=0;i<Entries11;++i){
MC11InputTree->GetEntry(i);
if(isSingle11==0)continue;
MCBu_DTFNoFix_eta_Prime_MF11=MCEta_Mass11[0];
MC11FlatTree->Fill();
}
MC11FlatTree->Write();
MC11FlatOut->Close();
}
//_____________________________________________LOAD ROODATASETS___________________________________
TFile* MCFlatInput12= new TFile("MCMinimalFile12.root");
TTree* MCFlatInputTree12=(TTree*)MCFlatInput12->Get("DecayTree");
TFile* MCFlatInput11= new TFile("MCMinimalFile11.root");
TTree* MCFlatInputTree11=(TTree*)MCFlatInput11->Get("DecayTree");
RooRealVar MCBMass("Bu_DTF_MF","Bu_DTF_MF",5000.0,5600.0);
RooRealVar MCEtaMass("eta_prime_MM","eta_prime_MM",700.0,1200.0);
RooRealVar BDT_response("BDT_response","BDT_response",-1.0,1.0);
RooRealVar gamma_CL("gamma_CL","gamma_CL",0.1,1.0);
RooArgSet Args(MCBMass,MCEtaMass,BDT_response,gamma_CL);
RooDataSet* MCData12 = new RooDataSet("MCData12","MCData12",Args,Import(*MCFlatInputTree12));
std::cout <<" Data File 12 Loaded"<<std::endl;
RooDataSet* MCData11 = new RooDataSet("MCData11","MCData11",Args,Import(*MCFlatInputTree11));
std::cout<<" Data File 11 loaded"<<std::endl;
RooDataSet* MCDataAll= new RooDataSet("MCDataAll","MCDataAll",Args);
MCDataAll->append(*MCData12);
MCDataAll->append(*MCData11);
RooPlot* massFrame = MCBMass.frame(Title("Data Import Check"),Bins(50));
MCDataAll->plotOn(massFrame);
RooPlot *BDTFrame = BDT_response.frame(Title("BDT Cut Check"),Bins(50));
MCDataAll->plotOn(BDTFrame);
TCanvas C;
C.Divide(2,1);
C.cd(1);
massFrame->Draw();
C.cd(2);
BDTFrame->Draw();
C.SaveAs("ImportChecks.eps");
//________________________________MAKE MCROODATACATEGORIES__________________________________
RooDataSet* MCBData=(RooDataSet*)MCDataAll->reduce(RooArgSet(MCBMass));
MCBData->Print("v");
RooDataSet* MCEtaData=(RooDataSet*)MCDataAll->reduce(RooArgSet(MCEtaMass));
MCEtaData->Print("v");
RooCategory MCMassType("MCMassType","MCMassType") ;
MCMassType.defineType("B") ;
MCMassType.defineType("Eta") ;
// Construct combined dataset in (x,sample)
RooDataSet MCcombData("MCcombData","MC combined data",Args,Index(MCMassType),Import("B",*MCBData),Import("Eta",*MCEtaData));
//=============================================== MC FIT MODEL===================================
RooRealVar Mean("Mean","Mean",5279.29,5276.0,5284.00);
RooRealVar Sigma("Sigma","Sigma",20.54,17.0,24.8);
RooRealVar LAlpha("LAlpha","LAlpha",-1.064,-2.5,0.0);
RooRealVar RAlpha("RAlpha","RAlpha",1.88,0.0,5.0);
RooRealVar LN("LN","LN",13.0,0.0,40.0);
RooRealVar RN("RN","RN",2.56,0.0,6.0);
RooCBShape CBLeft("CBLeft","CBLeft",MCBMass,Mean,Sigma,LAlpha,LN);
RooCBShape CBRight("CBRight","CBRight",MCBMass,Mean,Sigma,RAlpha,RN);
RooRealVar FitFraction("FitFraction","FitFraction",0.5,0.0,1.0);
RooAddPdf DCB("DCB","DCB",RooArgList(CBRight,CBLeft),FitFraction);
RooRealVar SignalYield("SignalYield","SignalYield",4338.0,500.0,10000.0);
// RooExtendPdf ExtDCB("ExtDCB","ExtDCB",DCB,SignalYield);
//==============================ETA DCB ++++++++++++++++++++++++++++++
RooRealVar MCEtamean("MCEtamean","MCEtamean",958.0,955.0,960.0);
RooRealVar MCEtasigma("MCEtasigma","MCEtasigma",9.16,8.0,14.0);
RooRealVar EtaLAlpha("EtaLAlpha","EtaLAlpha",-1.45,-5.0,1.0);
RooRealVar EtaRAlpha("EtaRAlpha","EtaRAlpha",1.76,0.0,4.0);
RooRealVar EtaLN("EtaLN","EtaLN",0.1,0.0,20.0);
RooRealVar EtaRN("EtaRN","EtaRN",0.1,0.0,20.0);
RooCBShape EtaCBLeft("EtaCBLeft","EtaCBLeft",MCEtaMass,MCEtamean,MCEtasigma,EtaLAlpha,EtaLN);
RooCBShape EtaCBRight("EtaCBRight","EtaCBRight",MCEtaMass,MCEtamean,MCEtasigma,EtaRAlpha,EtaRN);
RooRealVar EtaFitFraction("EtaFitFraction","EtaFitFraction",0.22,0.1,1.0);
RooAddPdf EtaDCB("EteaDCB","EtaDCB",RooArgList(EtaCBRight,EtaCBLeft),EtaFitFraction);
RooProdPdf MCSignalPdf("MCSignalPdf","MCSignalPdf",RooArgSet(EtaDCB,DCB));
RooExtendPdf ExtendedMCSignalPdf("ExtendedMCSignalPdf","ExtendedMCSignalPdf",MCSignalPdf,SignalYield);
RooSimultaneous MCsimPdf("MCsimPdf","MC simultaneous pdf",MCMassType) ;
// MCsimPdf.addPdf(ExtDCB,"B");
// MCsimPdf.addPdf(ExtendedMCEtaDCB,"Eta");
//============================== DO the MC FIT =======================================
//MCsimPdf.fitTo(MCcombData,Extended(kTRUE),Minos(kTRUE));
//ExtendedMCEtaDCB.fitTo(*MCEtaData,Extended(kTRUE),Minos(kTRUE));
//ExtDCB.fitTo(*MCBData,Extended(
ExtendedMCSignalPdf.fitTo(*MCDataAll,Extended(kTRUE),Minos(kTRUE));
RooPlot* MCframe1 = MCBMass.frame(Range(5100.0,5500.0),Bins(50),Title("B mass projection"));
MCDataAll->plotOn(MCframe1);
ExtendedMCSignalPdf.plotOn(MCframe1);
ExtendedMCSignalPdf.paramOn(MCframe1);
RooPlot* MCframe2 = MCEtaMass.frame(Range(880.0,1020.0),Bins(50),Title("Eta mass projection")) ;
MCDataAll->plotOn(MCframe2);
ExtendedMCSignalPdf.plotOn(MCframe2);
ExtendedMCSignalPdf.paramOn(MCframe2);
TCanvas* MCc = new TCanvas("rf501_simultaneouspdf","rf403_simultaneouspdf",1200,1000) ;
gPad->SetLeftMargin(0.15) ; MCframe1->GetYaxis()->SetTitleOffset(1.4) ; MCframe1->Draw() ;
MCc->SaveAs("MCSimulCanvas.pdf");
TCanvas* MCcEta = new TCanvas(" Eta Canvas","Eta Canvas",1200,1000);
gPad->SetLeftMargin(0.15) ; MCframe2->GetYaxis()->SetTitleOffset(1.4) ; MCframe2->Draw() ;
MCcEta->SaveAs("MCEtaCanvas.pdf");
TFile* MCFits= new TFile("MCFitResult.root","RECREATE");
// TCanvas* DecMCB=HandyFunctions::DecoratePlot(MCframe1);
// TCanvas* DecMCEta=HandyFunctions::DecoratePlot(MCframe2);
//DecMCEta->Write();
// DecMCB->Write();
MCc->Write();
MCcEta->Write();
std::cout<<"MC Eta Chi2 = "<<MCframe2->chiSquare()<<std::endl;
std::cout<<"MC B Chi2 = "<<MCframe1->chiSquare()<<std::endl;
//___________________________________ CUT DOWN COLLISION DATA ______________________________
if(ReDoCuts){
DataFile TwelveA(std::getenv("BUKETAPDATABDTRESPROOT"),Data,Twel,MagAll,buketap,"BDTApplied_SampleA");
DataFile TwelveB(std::getenv("BUKETAPDATABDTRESPROOT"),Data,Twel,MagAll,buketap,"BDTApplied_SampleB");
DataFile ElevenA(std::getenv("BUKETAPDATABDTRESPROOT"),Data,Elev,MagAll,buketap,"BDTApplied_SampleA");
DataFile ElevenB(std::getenv("BUKETAPDATABDTRESPROOT"),Data,Elev,MagAll,buketap,"BDTApplied_SampleB");
TRandom3* DataRand= new TRandom3(224);
TH1I* DataNCand12= new TH1I("DataNCand12","DataNCand12",10,0,10);
TH1I* DataNCand11= new TH1I("DataNCand11","DataNCand11",10,0,10);
TreeReader* UncutDataReader12= new TreeReader("DecayTree");
UncutDataReader12->AddFile(TwelveA);
UncutDataReader12->AddFile(TwelveB);
UncutDataReader12->Initialize();
TFile* CutDataFile12 = new TFile("CutDataFile12.root","RECREATE");
TTree* CutDataTree12 = UncutDataReader12->CopyTree(TwelveCut,-1,"DecayTree");
TTree* SingleCutDataTree12=HandyFunctions::GetSingleTree(DataRand,CutDataTree12,DataNCand12,NULL);
SingleCutDataTree12->Write();
CutDataFile12->Close();
TreeReader* UncutDataReader11= new TreeReader("DecayTree");
UncutDataReader11->AddFile(ElevenB);
UncutDataReader11->AddFile(ElevenA);
UncutDataReader11->Initialize();
TFile* CutDataFile11 = new TFile("CutDataFile11.root","RECREATE");
TTree* CutDataTree11 = UncutDataReader11->CopyTree(ElevenCut,-1,"DecayTree");
TTree* SingleCutDataTree11=HandyFunctions::GetSingleTree(DataRand,CutDataTree11,DataNCand11,NULL);
SingleCutDataTree11->Write();
CutDataFile11->Close();
TFile* DataInput12 = new TFile("CutDataFile12.root");
TTree* DataInputTree12=(TTree*)DataInput12->Get("DecayTree");
DataInputTree12->SetBranchStatus("*",0);
DataInputTree12->SetBranchStatus("Bu_DTF_MF",1);
DataInputTree12->SetBranchStatus("Bu_DTFNoFix_eta_prime_M",1);
DataInputTree12->SetBranchStatus("eta_prime_MM",1);
DataInputTree12->SetBranchStatus("isSingle",1);
Float_t Eta_Mass12[20]; DataInputTree12->SetBranchAddress("Bu_DTFNoFix_eta_prime_M",&Eta_Mass12);
Int_t isSingle12; DataInputTree12->SetBranchAddress("isSingle",&isSingle12);
TFile* MinimalDataFile12 = new TFile("MinimalDataFile12.root","RECREATE");
TTree* MinimalDataTree12= DataInputTree12->CloneTree(0);
Double_t Bu_DTFNoFix_eta_prime_MF12; MinimalDataTree12->Branch("Bu_DTFNoFix_eta_prime_MF",&Bu_DTFNoFix_eta_prime_MF12,"Bu_DTFNoFix_eta_prime_MF/D");
Long64_t Entries12=DataInputTree12->GetEntries();
for(int i=0;i<Entries12;++i){
DataInputTree12->GetEntry(i);
if(isSingle12==0)continue;
Bu_DTFNoFix_eta_prime_MF12=Eta_Mass12[0];
MinimalDataTree12->Fill();
}
MinimalDataTree12->Write();
MinimalDataFile12->Close();
TFile* DataInput11 = new TFile("CutDataFile11.root");
TTree* DataInputTree11=(TTree*)DataInput11->Get("DecayTree");
DataInputTree11->SetBranchStatus("*",0);
DataInputTree11->SetBranchStatus("Bu_DTF_MF",1);
DataInputTree11->SetBranchStatus("Bu_DTFNoFix_eta_prime_M",1);
DataInputTree11->SetBranchStatus("eta_prime_MM",1);
DataInputTree11->SetBranchStatus("isSingle",1);
Float_t Eta_Mass11[20]; DataInputTree11->SetBranchAddress("Bu_DTFNoFix_eta_prime_M",&Eta_Mass11);
Int_t isSingle11; DataInputTree11->SetBranchAddress("isSingle",&isSingle11);
TFile* MinimalDataFile11 = new TFile("MinimalDataFile11.root","RECREATE");
TTree* MinimalDataTree11= DataInputTree11->CloneTree(0);
Double_t Bu_DTFNoFix_eta_prime_MF11; MinimalDataTree11->Branch("Bu_DTFNoFix_eta_prime_MF",&Bu_DTFNoFix_eta_prime_MF11,"Bu_DTFNoFix_eta_prime_MF/D");
Long64_t Entries11=DataInputTree11->GetEntries();
for(int i=0;i<Entries11;++i){
DataInputTree11->GetEntry(i);
if(isSingle11==0)continue;
Bu_DTFNoFix_eta_prime_MF11=Eta_Mass11[0];
MinimalDataTree11->Fill();
}
MinimalDataTree11->Write();
MinimalDataFile11->Close();
}
//___________________________________ LOAD DATA TO ROODATASET____________________________________
RooRealVar BMass("Bu_DTF_MF","Bu_DTF_MF",5000.0,5600.0);
RooRealVar EtaMass("eta_prime_MM","eta_prime_MM",870.0,1050.0);
RooArgSet MassArgs(BMass,EtaMass);
TFile* Data12File = new TFile("MinimalDataFile12.root");
TTree* DataTree12=(TTree*)Data12File->Get("DecayTree");
RooDataSet* Data12 = new RooDataSet("Data12","Data12",MassArgs,Import(*DataTree12));
TFile* Data11File = new TFile("MinimalDataFile11.root");
TTree* DataTree11=(TTree*)Data11File->Get("DecayTree");
RooDataSet* Data11 = new RooDataSet("Data11","Data11",MassArgs,Import(*DataTree11));
RooDataSet* AllData = new RooDataSet("AllData","AllData",MassArgs);
AllData->append(*Data12);
AllData->append(*Data11);
TCanvas ImportC;
RooPlot* ImportCheck = BMass.frame(Title("ImportCheck"),Bins(50));
AllData->plotOn(ImportCheck);
ImportCheck->Draw();
ImportC.SaveAs("Alldataimport.pdf");
std::cout<<" Data Loaded, Total Entries = "<<AllData->numEntries()<<std::endl;
AllData->Print("v");
RooDataSet* BData=(RooDataSet*)AllData->reduce(RooArgSet(BMass));
BData->Print("v");
RooDataSet* EtaData=(RooDataSet*)AllData->reduce(RooArgSet(EtaMass));
EtaData->Print("v");
//___________________________________Fit to Eta_Prime in BMass Sidebands______________________
RooDataSet* BSidebands=(RooDataSet*)AllData->reduce(Cut("(Bu_DTF_MF>5000.0&&Bu_DTF_MF<5179.0)||(Bu_DTF_MF>5379.0&&Bu_DTF_MF<5800.0)"));
TCanvas BSidebandCanvas;
RooPlot* BSidebandPlot = EtaMass.frame(Title("B sidebands"),Bins(30));
BSidebands->plotOn(BSidebandPlot);
BSidebandPlot->Draw();
BSidebandCanvas.SaveAs("BSidebandDataCheck.pdf");
RooRealVar BsbMean(" Mean","BsbMean",958.0,900.0,1020.0);
RooRealVar BsbSigma(" Sigma","BsbSigma",19.8,10.0,40.8);
RooRealVar BsbLAlpha(" Alpha","BsbLAlpha",-1.63,-10.0,0.0);
// RooRealVar BsbRAlpha("BsbRAlpha","BsbRAlpha",1.47,0.0,10.0);
RooRealVar BsbLN(" N","BsbLN",0.1,0.0,20.0);
// RooRealVar BsbRN("BsbRN","BsbRN",0.1,0.0,20.0);
RooCBShape BsbCBLeft("BsbCBLeft","BsbCBLeft",EtaMass,BsbMean,BsbSigma,BsbLAlpha,BsbLN);
// RooCBShape BsbCBRight("BsbCBRight","BsbCBRight",EtaMass,BsbMean,BsbSigma,BsbRAlpha,BsbRN);
// RooRealVar BsbFitFraction("BsbFitFraction","BsbFitFraction",0.5,0.0,1.0);
// RooAddPdf BsbDCB("BsbDCB","BsbDCB",RooArgList(BsbCBRight,BsbCBLeft),BsbFitFraction);
RooRealVar Bsbslope("Bsbslope","Bsbslope",0.5,0.0,1.0);
RooRealVar BsbP2("BsbP2","BsbP2",-0.5,-1.0,0.0);
RooChebychev BsbLinear("BsbLinear","BsbLinear",EtaMass,RooArgSet(Bsbslope,BsbP2));
RooRealVar BsbFitFraction("BsbFitFraction","BsbFitFraction",0.2,0.0,1.0);
RooAddPdf BsbBackground("BsbBackground","BsbBackground",RooArgList(BsbLinear,BsbCBLeft),BsbFitFraction);
RooRealVar BsbYield(" Yield","BsbYield",500.0,0.0,1000.0);
RooExtendPdf BsbExtDCB("BsbExtDCB","BsbExtDCB",BsbCBLeft,BsbYield);
BsbExtDCB.fitTo(*BSidebands,Extended(kTRUE),Minos(kTRUE));
TCanvas BSBFitCanvas;
RooPlot* BSBFitPlot = EtaMass.frame(Title("Eta fit in B Sidebands"),Bins(30));
BSidebands->plotOn(BSBFitPlot);
BsbExtDCB.plotOn(BSBFitPlot);
BsbExtDCB.paramOn(BSBFitPlot);
BSBFitPlot->Draw();
BSBFitCanvas.SaveAs("BSidebandFit.pdf");
TFile * SidebandFitFile= new TFile("SidebandFit.root","RECREATE");
BSBFitCanvas.Write();
SidebandFitFile->Close();
//___________________________________DO THE 2D FIT TO DATA___________________________________
const double PDGBMass= 5279.26;
BMass.setRange("SignalWindow",PDGBMass-(3*Sigma.getVal()),PDGBMass+(3*Sigma.getVal()));
RooRealVar DSignalYield("DSignalYield","DSignalYield",4000.0,0.0,10000.0);
//================================= B MASS SIGNAL PDF==============================
RooRealVar DMean("Mean","DMean",5279.29,5270.0,5290.00);
RooRealVar DSigma("Sigma","DSigma",19.8,10.0,40.8);
RooRealVar DLAlpha("DLAlpha","DLAlpha",LAlpha.getVal());
RooRealVar DRAlpha("DRAlpha","DRAlpha",RAlpha.getVal());
RooRealVar DLN("DLN","DLN",LN.getVal());
RooRealVar DRN("DRN","DRN",RN.getVal());
RooCBShape DCBLeft("DCBLeft","DCBLeft",BMass,DMean,DSigma,DLAlpha,DLN);
RooCBShape DCBRight("DCBRight","DCBRight",BMass,DMean,DSigma,DRAlpha,DRN);
RooRealVar DFitFraction("FitFraction","DFitFraction",0.5,0.0,1.0);
RooAddPdf DDCB("DDCB","DDCB",RooArgList(DCBRight,DCBLeft),DFitFraction);
//==============================B MASS BKG PDF==============================
RooRealVar slope("slope","slope",-0.5,-1.0,0.0);
RooChebychev bkg("bkg","Background",BMass,RooArgSet(slope));
//==============================Eta mass signal pdf================================
RooRealVar DEtamean("Etamean","DEtamean",958.0,945.0,980.0) ;
RooRealVar DEtasigma("Etasigma","DEtasigma",15.0,5.0,65.0) ;
RooRealVar DEtaLAlpha("DEtaLAlpha","DEtaLAlpha",EtaLAlpha.getVal());
RooRealVar DEtaRAlpha("DEtaRAlpha","DEtaRAlpha",EtaRAlpha.getVal());
RooRealVar DEtaLN("DEtaLN","DEtaLN",EtaLN.getVal());
RooRealVar DEtaRN("DEtaRN","DEtaRN",EtaRN.getVal());
RooCBShape EtaDCBLeft("EtaDCBLeft","EtaDCBLeft",EtaMass,DEtamean,DEtasigma,DEtaLAlpha,DEtaLN);
RooCBShape EtaDCBRight("EtaDCBRight","EtaDCBRight",EtaMass,DEtamean,DEtasigma,DEtaRAlpha,DEtaRN);
RooRealVar DEtaFitFraction("EtaFitFraction","DEtaFitFraction",0.5,0.0,1.0);
RooAddPdf EtaDDCB("EtaDDCB","EtaDDCB",RooArgList(EtaDCBRight,EtaDCBLeft),DEtaFitFraction);
RooProdPdf DSignalPdf("DSignalPdf","DSignalPdf",RooArgList(EtaDDCB,DDCB));
RooExtendPdf DExtSignalPdf("DExtSignalPdf","DExtSignalPdf",DSignalPdf,DSignalYield);
//=============================== Eta mass bkg pdf==================================
RooRealVar EtaBkgMean("EtaBkgMean","EtaBkgMean",958.0,900.0,1020.0);
RooRealVar EtaBkgSigma("EtaBkgSigma","EtaBkgSigma",19.8,10.0,40.8);
RooRealVar EtaBkgLAlpha("EtaBkgLAlpha","EtaBkgLAlpha",BsbLAlpha.getVal());
// RooRealVar EtaBkgRAlpha("EtaBkgRAlpha","EtaBkgRAlpha",BsbRAlpha.getVal());
RooRealVar EtaBkgLN("EtaBkgLN","EtaBkgLN",BsbLN.getVal());
// RooRealVar EtaBkgRN("EtaBkgRN","EtaBkgRN",BsbRN.getVal());
RooCBShape EtaBkgCBLeft("EtaBkgCBLeft","EtaBkgCBLeft",EtaMass,DEtamean,EtaBkgSigma,EtaBkgLAlpha,EtaBkgLN);
// RooCBShape EtaBkgCBRight("EtaBkgCBRight","EtaBkgCBRight",EtaMass,DEtamean,EtaBkgSigma,EtaBkgRAlpha,EtaBkgRN);
// RooRealVar EtaBkgFitFraction("EtaBkgFitFraction","EtaBkgFitFraction",0.5,0.0,1.0);
// RooAddPdf EtaBkgDCB("EtaBkgDCB","EtaBkgDCB",RooArgList(EtaBkgCBRight,EtaBkgCBLeft),EtaBkgFitFraction);
RooProdPdf DataBackgroundPDF("DataBackgroundPDF","DataBackgroundPDF",RooArgList(EtaBkgCBLeft,bkg));
RooRealVar DataBackgroundYield("BackgroundYield","DataBackgroundYield",500.0,0.0,10000.0);
RooExtendPdf ExtDataBackgroundPDF("ExtDataBackgroundPDF","ExtDataBackgroundPDF",DataBackgroundPDF,DataBackgroundYield);
RooAddPdf TotalPDF("TotalPDF","TotalPDF",RooArgList(ExtDataBackgroundPDF,DExtSignalPdf));
std::cout<<"Dependents = "<<std::endl;
RooArgSet* Dependents=TotalPDF.getDependents(AllData);
Dependents->Print("v");
std::cout<<"parameters= "<<std::endl;
RooArgSet* parameters=TotalPDF.getParameters(AllData);
parameters->Print("v");
RooCategory MassType("MassType","MassType") ;
MassType.defineType("B") ;
MassType.defineType("Eta") ;
// Construct combined dataset in (x,sample)
RooDataSet combData("combData","combined data",MassArgs,Index(MassType),Import("B",*BData),Import("Eta",*EtaData));
RooSimultaneous simPdf("simPdf","simultaneous pdf",MassType) ;
// Associate model with the physics state and model_ctl with the control state
// simPdf.addPdf(WholeFit,"B");
// simPdf.addPdf(WholeEtaFit,"Eta");
// simPdf.fitTo(combData,Extended(kTRUE)/*,Minos(kTRUE)*/);
TotalPDF.fitTo(*AllData,Extended(kTRUE),Minos(kTRUE));
RooPlot* frame1 = BMass.frame(Bins(50),Title("B mass projection"));
AllData->plotOn(frame1);
TotalPDF.plotOn(frame1,Components(ExtDataBackgroundPDF),LineStyle(kDashed),LineColor(kRed));
TotalPDF.plotOn(frame1);
TotalPDF.paramOn(frame1);
// The same plot for the control sample slice
RooPlot* frame2 = EtaMass.frame(Bins(50),Title("Eta mass projection")) ;
AllData->plotOn(frame2);
TotalPDF.plotOn(frame2,Components(ExtDataBackgroundPDF),LineStyle(kDashed),LineColor(kRed));
TotalPDF.plotOn(frame2);
TotalPDF.paramOn(frame2);
TCanvas* DecoratedCanvas =HandyFunctions::DecoratePlot(frame2);
TCanvas* DataBC= new TCanvas("BCanvas","BCanvas",1200,1000) ;
gPad->SetLeftMargin(0.15) ; frame1->GetYaxis()->SetTitleOffset(1.4) ; frame1->Draw() ;
TCanvas* EtaBC= new TCanvas("EtaCanvas","EtaCanvas",1200,1000) ;
gPad->SetLeftMargin(0.15) ; frame2->GetYaxis()->SetTitleOffset(1.4) ; frame2->Draw() ;
DataBC->SaveAs("DataBC.pdf");
EtaBC->SaveAs("EtaBC.pdf");
TFile * DataSimulFit = new TFile("DataSimulFit.root","RECREATE");
DataBC->Write();
EtaBC->Write();
DecoratedCanvas->Write();
}
