inclusive_detached_dilepton/mapmc_bu2hpmumu.cpp

#include <string>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <filesystem>
#include <string_view>

#include "TH1D.h"
#include "TH2D.h"
#include "THStack.h"
#include "TGraph.h"
#include "TTree.h"
#include "TChain.h"
#include "TFile.h"
#include "TCanvas.h"
#include "TROOT.h"
#include "TStyle.h"
#include "TColor.h"
#include "TLorentzVector.h"
#include "TRandom3.h"
#include "TLegend.h"

#include "RooDataHist.h"
#include "RooRealVar.h"
#include "RooPlot.h"
#include "RooGaussian.h"
#include "RooExponential.h"
#include "RooRealConstant.h"
#include "RooAddPdf.h"
#include "RooFitResult.h"
#include "RooProduct.h"
#include "RooCrystalBall.h"
#include "RooBreitWigner.h"
#include "RooArgSet.h"
#include "RooFFTConvPdf.h"
#include "RooNovosibirsk.h"

#include "constants.h"
#include "basic_analysis.h"

int mapmc_bu2hpmumu()
{

  const char *sim_tree_name = "BuToHpMuMu_noPID";

  TChain *sim_chain = new TChain(TString::Format("%s/DecayTree", sim_tree_name));
  sim_chain->Add("/auto/data/pfeiffer/inclusive_detached_dilepton/MC/rd_btoxll_simulation_fullstream_v0r0p6671378_BuToKpMuMu_12143001_magdown.root");

  FourVect *l14v_sim = FourVect::Init(sim_chain, "L1");
  FourVect *l24v_sim = FourVect::Init(sim_chain, "L2");
  FourVect *hp4v_sim = FourVect::Init(sim_chain, "Hp");

  Int_t B_BKGCAT, L1_TRUEID, L2_TRUEID, Hp_TRUEID;

  sim_chain->SetBranchAddress("L1_TRUEID", &L1_TRUEID);
  sim_chain->SetBranchAddress("L2_TRUEID", &L2_TRUEID);
  sim_chain->SetBranchAddress("Hp_TRUEID", &Hp_TRUEID);
  sim_chain->SetBranchAddress("B_BKGCAT", &B_BKGCAT);

  Float_t B_PT_in, B_BPVFDCHI2_in, B_BPVDIRA_in, Jpsi_BPVIPCHI2_in, Jpsi_PT_in,
      Hp_BPVIPCHI2_in, Hp_PT_in, L1_BPVIPCHI2_in, L2_BPVIPCHI2_in;
  Double_t Hp_PROBNN_K_in;

  sim_chain->SetBranchAddress("B_PT", &B_PT_in);
  sim_chain->SetBranchAddress("B_BPVFDCHI2", &B_BPVFDCHI2_in);
  sim_chain->SetBranchAddress("B_BPVDIRA", &B_BPVDIRA_in);
  sim_chain->SetBranchAddress("Jpsi_BPVIPCHI2", &Jpsi_BPVIPCHI2_in);
  sim_chain->SetBranchAddress("Jpsi_PT", &Jpsi_PT_in);
  sim_chain->SetBranchAddress("Hp_BPVIPCHI2", &Hp_BPVIPCHI2_in);
  sim_chain->SetBranchAddress("Hp_PT", &Hp_PT_in);
  sim_chain->SetBranchAddress("L1_BPVIPCHI2", &L1_BPVIPCHI2_in);
  sim_chain->SetBranchAddress("L2_BPVIPCHI2", &L2_BPVIPCHI2_in);
  sim_chain->SetBranchAddress("Hp_PROBNN_K", &Hp_PROBNN_K_in);

  TTree *output_tree = new TTree("DecayTree", "DecayTree");

  Float_t B_PT_out, B_BPVFDCHI2_out, B_BPVDIRA_out, Jpsi_BPVIPCHI2_out, Jpsi_PT_out,
      Kplus_BPVIPCHI2_out, Kplus_PT_out, muplus_BPVIPCHI2_out, muminus_BPVIPCHI2_out,
      B_PX_out, B_PY_out, B_PZ_out, B_ENERGY_out,
      muplus_PX_out, muplus_PY_out, muplus_PZ_out, muplus_ENERGY_out,
      muminus_PX_out, muminus_PY_out, muminus_PZ_out, muminus_ENERGY_out,
      Kplus_PX_out, Kplus_PY_out, Kplus_PZ_out, Kplus_ENERGY_out;
  Double_t Kplus_PROBNN_K_out, B_M_out, muplus_M_out, muminus_M_out, Kplus_M_out;
  Int_t muplus_ID_out, muminus_ID_out, Kplus_ID_out;

  output_tree->Branch("B_PT", &B_PT_out, "B_PT/D");
  output_tree->Branch("B_BPVFDCHI2", &B_BPVFDCHI2_out, "B_BPVFDCHI2/F");
  output_tree->Branch("B_BPVDIRA", &B_BPVDIRA_out, "B_BPVDIRA/F");
  output_tree->Branch("B_PX", &B_PX_out, "0_PX/F");
  output_tree->Branch("B_PY", &B_PY_out, "0_PY/F");
  output_tree->Branch("B_PZ", &B_PZ_out, "0_PZ/F");
  output_tree->Branch("B_ENERGY", &B_ENERGY_out, "B_ENERGY/F");
  output_tree->Branch("B_M", &B_M_out, "B_M/D");

  output_tree->Branch("Jpsi_BPVIPCHI2", &Jpsi_BPVIPCHI2_out, "Jpsi_BPVIPCHI2/F");
  output_tree->Branch("Jpsi_PT", &Jpsi_PT_out, "Jpsi_PT/F");

  output_tree->Branch("Kplus_BPVIPCHI2", &Kplus_BPVIPCHI2_out, "Kplus_BPVIPCHI2/F");
  output_tree->Branch("Kplus_PROBNN_K", &Kplus_PROBNN_K_out, "Kplus_PROBNN_K/D");
  output_tree->Branch("Kplus_PT", &Kplus_PT_out, "Kplus_PT/F");
  output_tree->Branch("Kplus_PX", &Kplus_PX_out, "Kplus_PX/F");
  output_tree->Branch("Kplus_PY", &Kplus_PY_out, "Kplus_PY/F");
  output_tree->Branch("Kplus_PZ", &Kplus_PZ_out, "Kplus_PZ/F");
  output_tree->Branch("Kplus_ENERGY", &Kplus_ENERGY_out, "Kplus_ENERGY/F");
  output_tree->Branch("Kplus_M", &Kplus_M_out, "Kplus_M/D");
  output_tree->Branch("Kplus_ID", &Kplus_ID_out, "Kplus_ID/I");

  output_tree->Branch("muminus_BPVIPCHI2", &muminus_BPVIPCHI2_out, "muminus_BPVIPCHI2/F");
  output_tree->Branch("muminus_PX", &muminus_PX_out, "muminus_PX/F");
  output_tree->Branch("muminus_PY", &muminus_PY_out, "muminus_PY/F");
  output_tree->Branch("muminus_PZ", &muminus_PZ_out, "muminus_PZ/F");
  output_tree->Branch("muminus_ENERGY", &muminus_ENERGY_out, "muminus_ENERGY/F");
  output_tree->Branch("muminus_M", &muminus_M_out, "muminus_M/D");
  output_tree->Branch("muminus_ID", &muminus_ID_out, "muminus_ID/I");

  output_tree->Branch("muplus_BPVIPCHI2", &muplus_BPVIPCHI2_out, "muplus_BPVIPCHI2/F");
  output_tree->Branch("muplus_PX", &muplus_PX_out, "muplus_PX/F");
  output_tree->Branch("muplus_PY", &muplus_PY_out, "muplus_PY/F");
  output_tree->Branch("muplus_PZ", &muplus_PZ_out, "muplus_PZ/F");
  output_tree->Branch("muplus_ENERGY", &muplus_ENERGY_out, "muplus_ENERGY/F");
  output_tree->Branch("muplus_M", &muplus_M_out, "muplus_M/D");
  output_tree->Branch("muplus_ID", &muplus_ID_out, "muplus_ID/I");

  unsigned int sim_entries = sim_chain->GetEntries();

  for (unsigned int i = 0; i < sim_entries; i++)
  {
    sim_chain->GetEntry(i);
    if (B_BKGCAT == 30 && TMath::Abs(L1_TRUEID) == PID_MUON && L2_TRUEID == -L1_TRUEID && TMath::Abs(Hp_TRUEID) == PID_KAON)
    {
      B_PT_out = B_PT_in;
      B_BPVFDCHI2_out = B_BPVFDCHI2_in;
      B_BPVDIRA_out = B_BPVDIRA_in;

      Jpsi_BPVIPCHI2_out = Jpsi_BPVIPCHI2_in;
      Jpsi_PT_out = Jpsi_PT_in;

      muminus_BPVIPCHI2_out = L1_BPVIPCHI2_in;
      muminus_ID_out = L1_TRUEID;
      auto muminus_lv = l14v_sim->LorentzVector();
      muminus_PX_out = muminus_lv.Px();
      muminus_PY_out = muminus_lv.Py();
      muminus_PZ_out = muminus_lv.Pz();
      muminus_ENERGY_out = muminus_lv.E();
      muminus_M_out = muminus_lv.M();

      muplus_BPVIPCHI2_out = L2_BPVIPCHI2_in;
      muplus_ID_out = L2_TRUEID;
      auto muplus_lv = l24v_sim->LorentzVector();
      muplus_PX_out = muplus_lv.Px();
      muplus_PY_out = muplus_lv.Py();
      muplus_PZ_out = muplus_lv.Pz();
      muplus_ENERGY_out = muplus_lv.E();
      muplus_M_out = muplus_lv.M();

      Kplus_BPVIPCHI2_out = Hp_BPVIPCHI2_in;
      Kplus_PT_out = Hp_PT_in;
      Kplus_PROBNN_K_out = Hp_PROBNN_K_in;
      Kplus_ID_out = Hp_TRUEID;

      auto Kplus_lv = hp4v_sim->LorentzVector(K_MASS);

      Kplus_PX_out = Kplus_lv.Px();
      Kplus_PY_out = Kplus_lv.Py();
      Kplus_PZ_out = Kplus_lv.Pz();
      Kplus_ENERGY_out = Kplus_lv.E();
      Kplus_M_out = Kplus_lv.M();

      auto B_lv = muminus_lv + muplus_lv + Kplus_lv;

      B_PX_out = B_lv.Px();
      B_PY_out = B_lv.Py();
      B_PZ_out = B_lv.Pz();
      B_ENERGY_out = B_lv.E();
      B_M_out = B_lv.M();

      output_tree->Fill();
    }

    PrintProgress(TString::Format("%s Mapping", sim_tree_name), sim_entries, 10000, i);
  }

  TFile *output_file = TFile::Open("/auto/data/pfeiffer/inclusive_detached_dilepton/MC/BuToHpMuMu_mapped_mc.root", "RECREATE");
  output_file->cd();
  output_file->mkdir("BuToHpMuMu_noPID_mapped/");
  output_file->cd("BuToHpMuMu_noPID_mapped/");
  output_tree->SetDirectory(gDirectory);
  output_tree->Write();
  output_file->Close();

  return 0;
}