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434 lines
18 KiB
434 lines
18 KiB
#include "TH1D.h"
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#include "TH2D.h"
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#include "THStack.h"
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#include "TGraph.h"
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#include "TTree.h"
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#include "TChain.h"
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#include "TFile.h"
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#include "TCanvas.h"
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#include "TROOT.h"
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#include "TStyle.h"
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#include "TColor.h"
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#include "TLorentzVector.h"
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#include "TRandom3.h"
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#include "TLegend.h"
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#include "RooDataHist.h"
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#include "RooRealVar.h"
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#include "RooPlot.h"
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#include "RooGaussian.h"
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#include "RooExponential.h"
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#include "RooRealConstant.h"
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#include "RooAddPdf.h"
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#include "RooFitResult.h"
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#include "RooProduct.h"
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#include "RooCrystalBall.h"
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#include "RooBreitWigner.h"
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#include "RooArgSet.h"
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#include "RooFFTConvPdf.h"
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#include "RooNovosibirsk.h"
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#include <string>
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#include <iostream>
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#include <cmath>
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const int nBins = 70;
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const Double_t MASS_HIST_MIN = 5100.;
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const Double_t MASS_HIST_MAX = 6000.;
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const Double_t MASS_HIST_FIT_MIN = 5100.;
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const Double_t MASS_HIST_FIT_MAX = 6000.;
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const Double_t K_MASS = 493.677;
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const Double_t PSI2S_MASS = 3686.093;
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const Double_t JPSI_MASS = 3096.900;
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const Double_t KSTAR_MASS = 891.760;
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void CreateRooFitAndDraw(TH1D *hist, const char *name);
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const char *TITLE = "SpruceRD_BuToHpMuMu (#pi^{+} #rightarrow K^{+}, Small Cut)";
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const char *FILE_NAME = "SpruceRD_BuToHpMuMu_Pip2Kp_smallcut";
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const char *MASS_LITERAL = "m(#pi^{+}_{(#rightarrow K^{+})}#mu^{+}#mu^{-})";
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struct Hlt1Decision
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{
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std::string name;
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int index;
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int flag;
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Bool_t value;
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std::string GetName() const
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{
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return TString::Format("Hlt1%sDecision", name.c_str()).Data();
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}
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Bool_t *GetValuePointer()
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{
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return &value;
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}
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};
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const int FLAG_TrackMVA = 0b0000100000000000;
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const int FLAG_TwoTrackMVA = 0b0001000000000000;
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std::vector<Hlt1Decision> Hlt1Decisions{
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Hlt1Decision{"DiMuonHighMass", 1, 0b0000000000000001}, // 0001
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Hlt1Decision{"DiMuonLowMass", 2, 0b0000000000000010}, // 0002
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Hlt1Decision{"DiMuonNoIP", 3, 0b0000000000000100}, // 0004
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Hlt1Decision{"DiMuonSoft", 4, 0b0000000000001000}, // 0008
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Hlt1Decision{"DisplacedLeptons", 5, 0b0000000000010000}, // 0016
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Hlt1Decision{"LowPtDiMuon", 6, 0b0000000000100000}, // 0032
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Hlt1Decision{"LowPtMuon", 7, 0b0000000001000000}, // 0064
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Hlt1Decision{"OneMuonTrackLine", 8, 0b0000000010000000}, // 0128
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Hlt1Decision{"SingleHighEt", 9, 0b0000000100000000}, // 0256
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Hlt1Decision{"SingleHighPtMuon", 10, 0b0000001000000000}, // 0512
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Hlt1Decision{"TrackMVA", 11, FLAG_TrackMVA}, // 1024
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Hlt1Decision{"TrackMuonMVA", 12, 0b0000100000000000}, // 2048
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Hlt1Decision{"TwoTrackMVA", 13, FLAG_TwoTrackMVA}, // 4096
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};
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// 0b0001000000000000
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// 0b0001000000110111
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void ConnectHlt1Decisions(TChain *chain)
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{
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for (auto &var : Hlt1Decisions)
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{
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chain->SetBranchAddress(var.GetName().c_str(), var.GetValuePointer());
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}
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}
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int CombineHlt1DecisionFlags()
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{
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int result = 0;
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for (const auto &var : Hlt1Decisions)
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{
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if (var.value)
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{
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result = result | var.flag;
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}
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}
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return result;
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}
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int analysis_fullstream_bu2hpmumu()
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{
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TChain *data_chain = new TChain("BuToHpMuMu/DecayTree");
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data_chain->Add("/auto/data/pfeiffer/inclusive_detached_dilepton/data_samples/spruce_magdown_2023_v0_tuple_90000000_v0r0p6288631.root");
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data_chain->Add("/auto/data/pfeiffer/inclusive_detached_dilepton/data_samples/spruce_magdown_2023_v0r1_tuple_90000000_2023_v0r0p6288631.root");
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Float_t B_BPVFDCHI2,
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B_BPVIPCHI2,
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L1_BPVIPCHI2,
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L2_BPVIPCHI2,
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L1_PT,
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L2_PT,
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Jpsi_BPVFDCHI2,
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Hp_PT,
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Hp_BPVIPCHI2,
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Hp_P;
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Double_t L1_PID_MU,
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L2_PID_MU,
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B_CHI2VXNDOF,
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Jpsi_MAXDOCACHI2,
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Jpsi_CHI2DOF,
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Hp_PID_K,
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Jpsi_M,
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B_M;
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Bool_t L1_ISMUON,
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L2_ISMUON,
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Hlt2RD_BuToKpMuMuDecision,
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Hlt2_InclDetDiMuon_4BodyDecision,
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Hlt2_InclDetDiMuon_3BodyDecision,
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Hlt2_InclDetDiMuonDecision,
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Hlt1TrackMVADecision,
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Hlt1TwoTrackMVADecision;
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UInt_t runNumber;
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ULong64_t eventNumber;
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data_chain->SetBranchAddress("RUNNUMBER", &runNumber);
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data_chain->SetBranchAddress("EVENTNUMBER", &eventNumber);
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data_chain->SetBranchAddress("B_M", &B_M);
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data_chain->SetBranchAddress("B_BPVFDCHI2", &B_BPVFDCHI2);
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data_chain->SetBranchAddress("B_BPVIPCHI2", &B_BPVIPCHI2);
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data_chain->SetBranchAddress("L1_BPVIPCHI2", &L1_BPVIPCHI2);
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data_chain->SetBranchAddress("L2_BPVIPCHI2", &L2_BPVIPCHI2);
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data_chain->SetBranchAddress("L1_PID_MU", &L1_PID_MU);
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data_chain->SetBranchAddress("L2_PID_MU", &L2_PID_MU);
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data_chain->SetBranchAddress("L1_ISMUON", &L1_ISMUON);
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data_chain->SetBranchAddress("L2_ISMUON", &L2_ISMUON);
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data_chain->SetBranchAddress("L1_PT", &L1_PT);
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data_chain->SetBranchAddress("L2_PT", &L2_PT);
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data_chain->SetBranchAddress("B_CHI2VXNDOF", &B_CHI2VXNDOF);
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data_chain->SetBranchAddress("Jpsi_MAXDOCACHI2", &Jpsi_MAXDOCACHI2);
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data_chain->SetBranchAddress("Jpsi_CHI2DOF", &Jpsi_CHI2DOF);
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data_chain->SetBranchAddress("Hp_PT", &Hp_PT);
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data_chain->SetBranchAddress("Hp_BPVIPCHI2", &Hp_BPVIPCHI2);
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data_chain->SetBranchAddress("Hp_P", &Hp_P);
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data_chain->SetBranchAddress("Hp_PID_K", &Hp_PID_K);
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data_chain->SetBranchAddress("Jpsi_BPVFDCHI2", &Jpsi_BPVFDCHI2);
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data_chain->SetBranchAddress("Jpsi_M", &Jpsi_M);
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data_chain->SetBranchAddress("Hlt2RD_BuToKpMuMuDecision", &Hlt2RD_BuToKpMuMuDecision);
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data_chain->SetBranchAddress("Hlt2_InclDetDiMuon_4BodyDecision", &Hlt2_InclDetDiMuon_4BodyDecision);
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data_chain->SetBranchAddress("Hlt2_InclDetDiMuon_3BodyDecision", &Hlt2_InclDetDiMuon_3BodyDecision);
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data_chain->SetBranchAddress("Hlt2_InclDetDiMuonDecision", &Hlt2_InclDetDiMuonDecision);
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data_chain->SetBranchAddress("Hlt1TrackMVADecision", &Hlt1TrackMVADecision);
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data_chain->SetBranchAddress("Hlt1TwoTrackMVADecision", &Hlt1TwoTrackMVADecision);
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Float_t L1_PX, L1_PY, L1_PZ, L1_ENERGY, L2_PX, L2_PY, L2_PZ, L2_ENERGY, Hp_PX, Hp_PY, Hp_PZ, Hp_ENERGY;
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data_chain->SetBranchAddress("L1_PX", &L1_PX);
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data_chain->SetBranchAddress("L1_PY", &L1_PY);
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data_chain->SetBranchAddress("L1_PZ", &L1_PZ);
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data_chain->SetBranchAddress("L1_ENERGY", &L1_ENERGY);
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data_chain->SetBranchAddress("L2_PX", &L2_PX);
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data_chain->SetBranchAddress("L2_PY", &L2_PY);
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data_chain->SetBranchAddress("L2_PZ", &L2_PZ);
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data_chain->SetBranchAddress("L2_ENERGY", &L2_ENERGY);
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data_chain->SetBranchAddress("Hp_PX", &Hp_PX);
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data_chain->SetBranchAddress("Hp_PY", &Hp_PY);
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data_chain->SetBranchAddress("Hp_PZ", &Hp_PZ);
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data_chain->SetBranchAddress("Hp_ENERGY", &Hp_ENERGY);
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// ConnectHlt1Decisions(data_chain);
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TH1D *h1_B_M_jpsi = new TH1D("h1_B_M_jpsi", "B Mass, J/#psi Mode", nBins, MASS_HIST_MIN, MASS_HIST_MAX);
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TH1D *h1_B_M_psi2s = new TH1D("h1_B_M_psi2s", "B Mass, #psi(2S) Mode", nBins, MASS_HIST_MIN, MASS_HIST_MAX);
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TH1D *h1_JPsi_M = new TH1D("h1_JPsi_M", "J/#psi", nBins, JPSI_MASS - 100., PSI2S_MASS + 100.);
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// TH2D *h2_Hlt1_flags_B_Mass = new TH2D("h2_Hlt1_flags_B_Mass", "Hlt1 Decision vs B Mass", 50, 5100, 5400, 13, 1., 14.);
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// TH2D *h2_Hlt1_flags_excl_B_Mass = new TH2D("h2_Hlt1_flags_excl_B_Mass", "Excl Hlt1 Decision vs B Mass", 50, 5100, 5400, 13, 1., 14.);
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// h2_Hlt1_flags_B_Mass->SetCanExtend(TH1::kYaxis);
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// for (const auto &var : Hlt1Decisions)
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// {
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// h2_Hlt1_flags_B_Mass->Fill(0., var.name.c_str(), 0.);
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// h2_Hlt1_flags_excl_B_Mass->Fill(0., var.name.c_str(), 0.);
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// }
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std::map<std::pair<unsigned int, unsigned long>, int> run_event_num_dict;
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unsigned int entries = data_chain->GetEntries();
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unsigned int selected_entries = 0;
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for (unsigned int i = 0; i < entries; i++)
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{
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data_chain->GetEntry(i);
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TVector3 K_momentum(Hp_PX, Hp_PY, Hp_PZ);
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double K_energy = TMath::Sqrt(TMath::Sq(K_MASS) + K_momentum.Mag2());
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TLorentzVector K_4v(K_momentum, K_energy);
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TLorentzVector l1_4v(L1_PX, L1_PY, L1_PZ, L1_ENERGY);
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TLorentzVector l2_4v(L2_PX, L2_PY, L2_PZ, L2_ENERGY);
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Double_t reconstructed_B_Mass = (K_4v + l1_4v + l2_4v).M();
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// int combinedFlags = CombineHlt1DecisionFlags();
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// bool trackMVADec = (((combinedFlags & FLAG_TrackMVA) == FLAG_TrackMVA) | ((combinedFlags & FLAG_TwoTrackMVA) == FLAG_TwoTrackMVA));
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// if (TMath::Abs(Jpsi_M - JPSI_MASS) < 100 && trackMVADec)
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// {
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// for (const auto &var : Hlt1Decisions)
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// {
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// if (var.value)
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// {
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// h2_Hlt1_flags_B_Mass->Fill(reconstructed_B_Mass, var.name.c_str(), 1);
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// }
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// }
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// for (const auto &var : Hlt1Decisions)
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// {
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// if (var.value)
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// {
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// h2_Hlt1_flags_excl_B_Mass->Fill(reconstructed_B_Mass, var.name.c_str(), 1);
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// break;
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// }
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// }
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// }
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// std::cout << "HLT1 Decision Flags: " << combinedFlags << std::endl;
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// if (trackMVADec)
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// {
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// h1_JPsi_M->Fill(Jpsi_M);
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// if (TMath::Abs(Jpsi_M - JPSI_MASS) < 100)
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// {
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// h1_B_M_jpsi->Fill(reconstructed_B_Mass);
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// }
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// else if (TMath::Abs(Jpsi_M - PSI2S_MASS) < 100)
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// {
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// h1_B_M_psi2s->Fill(reconstructed_B_Mass);
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// }
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// }
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// if (
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// (((B_BPVFDCHI2 > 36) & (B_CHI2VXNDOF < 16) & (B_BPVIPCHI2 < 25) & (Jpsi_MAXDOCACHI2 < 36) & (L1_BPVIPCHI2 > 9) & (L2_BPVIPCHI2 > 9) & (L1_PID_MU > -3) & (L2_PID_MU > -3) & (L1_ISMUON) & (L2_ISMUON) & (L1_PT > 350) & (L2_PT > 350) & (Jpsi_CHI2DOF < 9) & (Jpsi_BPVFDCHI2 > 16) & (Jpsi_M < 5500) & (Hp_PT > 400) & (Hp_BPVIPCHI2 > 6) & (Hp_PT > 400) & (Hp_BPVIPCHI2 > 6) & (Hp_P > 2000) & (Hp_PID_K > -4)) & (Hlt2RD_BuToKpMuMuDecision) & (((Hlt2_InclDetDiMuon_4BodyDecision) | (Hlt2_InclDetDiMuon_3BodyDecision) | (Hlt2_InclDetDiMuonDecision)))))
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// {
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if ((TMath::Abs(Jpsi_M - 3096.9) < 100) & ((Hlt1TrackMVADecision) | (Hlt1TwoTrackMVADecision)))
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{
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// check for unique run/event number
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selected_entries++;
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auto run_event_pair = std::make_pair((unsigned int)runNumber, (unsigned long)eventNumber);
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int &run_event_unique_num = run_event_num_dict[run_event_pair];
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if (run_event_unique_num)
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{
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run_event_unique_num = run_event_unique_num + 1;
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std::cout << "R: " << runNumber << " / E: " << eventNumber << " / # " << run_event_unique_num
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<< ", M = " << reconstructed_B_Mass << " MeV"
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<< std::endl;
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}
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else
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{
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run_event_unique_num = 1;
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h1_B_M_jpsi->Fill(reconstructed_B_Mass);
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}
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}
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// }
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if ((i + 1) % 10000 == 0 || i + 1 == entries)
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{
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std::cout << "["
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<< FILE_NAME
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<< "] Processed event: " << i + 1 << " (" << TString::Format("%.2f", ((double)(i + 1) / (double)entries) * 100.) << "%)" << std::endl;
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}
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}
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std::cout << "#### " << run_event_num_dict.size() << " out of " << selected_entries << " unique ("
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<< TString::Format("%.2f", ((double)(run_event_num_dict.size()) / (double)selected_entries) * 100.) << "%)." << std::endl;
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TCanvas *c1 = new TCanvas("c1", "c1", 0, 0, 1400, 600);
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c1->Divide(2, 1);
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c1->cd(1);
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h1_B_M_jpsi->Draw();
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c1->cd(2);
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h1_B_M_psi2s->Draw();
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c1->Draw();
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c1->SaveAs(TString::Format("images/root_hist_%s_%s_bmass.pdf", FILE_NAME, "jpsi_psi2s").Data());
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TCanvas *c2 = new TCanvas("c2", "c2", 0, 0, 800, 600);
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h1_JPsi_M->SetStats(0);
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h1_JPsi_M->Draw();
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c2->Draw();
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// TCanvas *c3 = new TCanvas("c3", "c3", 0, 0, 1400, 600);
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// c3->Divide(2, 1, 0.04);
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// c3->cd(1);
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// //c3->SetLeftMargin(0.40);
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// h2_Hlt1_flags_B_Mass->SetStats(0);
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// h2_Hlt1_flags_B_Mass->Draw("COLZ");
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// c3->cd(2);
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// //c3->SetLeftMargin(0.40);
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// h2_Hlt1_flags_excl_B_Mass->SetStats(0);
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// h2_Hlt1_flags_excl_B_Mass->Draw("COLZ");
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// c3->Draw();
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// c3->SaveAs(TString::Format("images/root_hist_%s_hlt1dec.pdf", FILE_NAME).Data());
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CreateRooFitAndDraw(h1_B_M_jpsi, "jpsi");
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// CreateRooFitAndDraw(h1_B_M_psi2s, "psi2s");
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// zweiter Plot, welche exklusiv von *einer* HLT1 Line getriggert werden
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// DecProd Cut in Decfile von MonteCarlo Production
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// --> Lumi * (B Prod Crosssection für B-Prouktion) * (Branching Frcation B->J/Psi K) * (Brranch Fraction J/Psi->mumu) * Effizienz
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return 0;
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}
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void CreateRooFitAndDraw(TH1D *hist, const char *name)
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{
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auto suffix = [name](const char *text)
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{
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return TString::Format("%s%s", text, "");
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};
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RooRealVar roo_var_mass(suffix("var_mass"), "B Mass Variable", MASS_HIST_FIT_MIN, MASS_HIST_FIT_MAX);
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roo_var_mass.setRange("fitting_range", MASS_HIST_FIT_MIN, MASS_HIST_FIT_MAX);
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TString hist_name = suffix("roohist_B_M");
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RooDataHist roohist_B_M(hist_name, "B Mass Histogram", roo_var_mass, RooFit::Import(*hist));
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RooPlot *roo_frame_mass = roo_var_mass.frame(RooFit::Title(TITLE));
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roohist_B_M.plotOn(roo_frame_mass, RooFit::Binning(nBins), RooFit::Name(hist_name));
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roo_frame_mass->GetXaxis()->SetTitle(MASS_LITERAL);
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// Crystal Ball for Signal
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RooRealVar var_mass_x0(suffix("var_mass_x0"), "#mu", 5278., 5170., 5500.);
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RooRealVar var_mass_sigmaLR(suffix("var_mass_sigmaLR"), "#sigma_{LR}", 16., 5., 40.);
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// Same Variables for Left and Right Tail
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// RooRealVar var_mass_alphaL("var_mass_alphaL", "#alpha_{L}", 2., 0., 4.);
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// RooRealVar var_mass_nL("var_mass_nL", "n_{L}", 5., 0., 15.);
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// RooRealVar var_mass_alphaR("var_mass_alphaR", "#alpha_{R}", 2., 0., 4.);
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// RooRealVar var_mass_nR("var_mass_nR", "n_{R}", 5., 0., 15.);
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auto var_mass_alphaL = RooRealConstant::value(1.894);
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auto var_mass_nL = RooRealConstant::value(1.120);
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auto var_mass_alphaR = RooRealConstant::value(2.446);
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auto var_mass_nR = RooRealConstant::value(1.146);
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RooCrystalBall sig_cb(suffix("sig_cb"), "Signal Crystal Ball", roo_var_mass, var_mass_x0, var_mass_sigmaLR, var_mass_alphaL, var_mass_nL, var_mass_alphaR, var_mass_nR);
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// Exponential for Background
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RooRealVar var_mass_bkg_c(suffix("var_mass_bkg_c"), "#lambda", -0.0014, -0.004, -0.000);
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RooExponential bkg_exp(suffix("bkg_exp"), "Exp Background", roo_var_mass, var_mass_bkg_c);
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RooRealVar var_mass_nsig(suffix("nsig"), "Mass N Signal", 0., hist->GetEntries());
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RooRealVar var_mass_nbkg(suffix("nbkg"), "Mass N Background", 0., hist->GetEntries());
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TString pdf_name = suffix("sigplusbkg");
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RooAddPdf sigplusbkg(pdf_name, "Sig and Bkg PDF", RooArgList(sig_cb, bkg_exp), RooArgList(var_mass_nsig, var_mass_nbkg));
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// RooFitResult *fitres = sigplusbkg.fitTo(roohist_B_M, RooFit::Save(), RooFit::PrintLevel(1), RooFit::Range("fitting_range"));
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// sigplusbkg.plotOn(roo_frame_mass, RooFit::VisualizeError(*fitres, 1), RooFit::FillColor(kOrange + 1), RooFit::FillStyle(3144));
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// sigplusbkg.plotOn(roo_frame_mass, RooFit::LineColor(kRed), RooFit::LineStyle(kSolid), RooFit::Range("fitting_range"), RooFit::Name(pdf_name));
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// sigplusbkg.plotOn(roo_frame_mass, RooFit::Components(RooArgSet(bkg_exp)), RooFit::LineColor(kBlue - 7), RooFit::LineStyle(kDashed), RooFit::Range("fitting_range"), RooFit::Name("bkg_exp"));
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// sigplusbkg.plotOn(roo_frame_mass, RooFit::Components(RooArgSet(sig_cb)), RooFit::LineColor(kRed - 7), RooFit::LineStyle(kDashed), RooFit::Range("fitting_range"), RooFit::Name("sig_cb"));
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// RooPlot *roo_frame_pull = roo_var_mass.frame(RooFit::Title("Pull Distribution"));
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// roo_frame_pull->addPlotable(roo_frame_mass->pullHist(hist_name, pdf_name), "P");
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TCanvas *c = new TCanvas(suffix("roofit_c"), "roofit_c", 0, 0, 800, 600);
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// auto *p2 = new TPad(suffix("p2"), "Pull", 0., 0., 1., 0.3);
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// p2->Draw();
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// p2->SetTopMargin(0.001);
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// p2->SetBottomMargin(0.3);
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// p2->SetGrid();
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// auto *p1 = new TPad(suffix("p1"), "Fit", 0., 0.32, 1., 1.);
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// p1->Draw();
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// p1->SetBottomMargin(0.001);
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// p1->cd();
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roo_frame_mass->Draw();
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TLegend *leg1 = new TLegend(0.50, 0.80, 0.87, 0.89);
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leg1->SetFillColor(kWhite);
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leg1->SetLineColor(kBlack);
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// leg1->AddEntry(roo_frame_mass->findObject(pdf_name), "Signal + Background", "LP");
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// leg1->AddEntry(roo_frame_mass->findObject("sig_cb"), "Signal", "LP");
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// leg1->AddEntry(roo_frame_mass->findObject("bkg_exp"), "Background", "LP");
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// leg1->AddEntry((TObject *)0, "", "");
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// leg1->AddEntry((TObject *)0, TString::Format("%s = %.3f #pm %.3f", var_mass_x0.getTitle().Data(), var_mass_x0.getVal(), var_mass_x0.getError()).Data(), "");
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// leg1->AddEntry((TObject *)0, TString::Format("%s = %.3f #pm %.3f", var_mass_sigmaLR.getTitle().Data(), var_mass_sigmaLR.getVal(), var_mass_sigmaLR.getError()).Data(), "");
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// leg1->AddEntry((TObject *)0, TString::Format("%s = %.6f #pm %.6f", var_mass_bkg_c.getTitle().Data(), var_mass_bkg_c.getVal(), var_mass_bkg_c.getError()).Data(), "");
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// leg1->AddEntry((TObject *)0, TString::Format("%s = %.3f #pm %.3f", "S", var_mass_nsig.getVal(), var_mass_nsig.getError()).Data(), "");
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// leg1->AddEntry((TObject *)0, TString::Format("%s = %.3f #pm %.3f", "B", var_mass_nbkg.getVal(), var_mass_nbkg.getError()).Data(), "");
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leg1->AddEntry((TObject *)0, TString::Format("Entries: %.0f", roohist_B_M.sumEntries()), "");
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leg1->Draw();
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// p2->cd();
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// roo_frame_pull->Draw();
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c->Draw();
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c->SaveAs(TString::Format("images/data/roofit_hist_%s_bmass.pdf", suffix(FILE_NAME).Data()).Data());
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}
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