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sig over bkg, br frac calc

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This commit is contained in:
Marius Pfeiffer 2024-03-12 16:56:43 +01:00
parent 5153c4c4d6
commit bcb6249b55
8 changed files with 117 additions and 34 deletions
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6
B0ToHpHmMuMu_results.txt Normal file
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@ -0,0 +1,6 @@
#### Tue Mar 12 16:38:50 2024 ####
J/Psi Mode: 380.717 +- 23.9177
Psi(2S) Mode: 14.7761 +- 5.0852
Mode Yield Ratio: 0.0388112 +- 0.0135776
Rel Br Frac MuMu: 7.7013
Rel Br Frac: 0.298897

6
BuToHpMuMu_results.txt Normal file
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@ -0,0 +1,6 @@
#### Tue Mar 12 16:35:42 2024 ####
J/Psi Mode: 950.052 +- 36.9322
Psi(2S) Mode: 65.8457 +- 11.1206
Mode Yield Ratio: 0.0693074 +- 0.0120113
Rel Br Frac MuMu: 7.7013
Rel Br Frac: 0.533757

31
basic_analysis.h
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@ -15,6 +15,12 @@
#include "constants.h"
std::pair<double, double> DivWithErr(double x, double dx, double y, double dy) {
double err_x = (1 / y) * dx;
double err_y = - (x / (y*y)) * dy;
return std::make_pair(x / y, TMath::Sqrt((TMath::Sq(err_x) + TMath::Sq(err_y))));
}
class FourVect
{
private:
@ -136,6 +142,8 @@ struct RooFitSummary
RooPlot *fit_histogram;
RooPlot *pull_histogram;
std::map<std::string, std::string> pdf_names;
std::pair<double, double> signal_yield;
std::pair<double, double> background_yield;
std::vector<FittedParam> fitted_params;
ShapeParamters shape_parameters;
};
@ -449,6 +457,10 @@ RooFitSummary CreateRooDataSetAndFitCB(TTree *dataSet, TString var_name, TString
pdf_names[signal_name.Data()] = sig_cb.getTitle().Data();
TString pull_compare_name{};
double sig_val = 0.;
double sig_err = 0.;
double bkg_val = 0.;
double bkg_err = 0.;
if (hasExpBkg)
{
// Exponential for Background
@ -475,17 +487,20 @@ RooFitSummary CreateRooDataSetAndFitCB(TTree *dataSet, TString var_name, TString
fitted_params.push_back(FittedParam(var_mass_nsig, 2));
fitted_params.push_back(FittedParam(var_mass_nbkg, 2));
double sig_val = var_mass_nsig.getVal();
double sig_err = var_mass_nsig.getError();
double bkg_val = var_mass_nbkg.getVal();
double bkg_err = var_mass_nbkg.getError();
sig_val = var_mass_nsig.getVal();
sig_err = var_mass_nsig.getError();
bkg_val = var_mass_nbkg.getVal();
bkg_err = var_mass_nbkg.getError();
double sig_over_bkg_val = sig_val / TMath::Sqrt(sig_val + bkg_val);
double significance_val = sig_val / TMath::Sqrt(sig_val + bkg_val);
double err_prop_sig = (sig_val + 2 * bkg_val) / (2 * TMath::Power((sig_val + bkg_val), (3 / 2)));
double err_prop_bkg = -sig_val / (2 * TMath::Power((sig_val + bkg_val), (3 / 2)));
double sig_over_bkg_err = TMath::Sqrt(TMath::Sq(err_prop_sig * sig_err) + TMath::Sq(err_prop_bkg * bkg_err));
double significance_err = TMath::Sqrt(TMath::Sq(err_prop_sig * sig_err) + TMath::Sq(err_prop_bkg * bkg_err));
fitted_params.push_back(FittedParam("sig_over_bkg", "N_{Sig}/#sqrt{N_{Sig} + N_{Bkg}}", sig_over_bkg_val, sig_over_bkg_err, 2));
auto sig_over_bkg = DivWithErr(sig_val, sig_err, bkg_val, bkg_err);
fitted_params.push_back(FittedParam("significance", "N_{Sig}/#sqrt{N_{Sig} + N_{Bkg}}", significance_val, significance_err, 2));
fitted_params.push_back(FittedParam("sig_over_bkg", "N_{Sig}/N_{Bkg}", sig_over_bkg.first, sig_over_bkg.second, 2));
fitted_params.push_back(FittedParam(var_mass_bkg_c, 5));
@ -519,6 +534,8 @@ RooFitSummary CreateRooDataSetAndFitCB(TTree *dataSet, TString var_name, TString
roo_frame_mass,
roo_frame_pull,
pdf_names,
std::make_pair(sig_val, sig_err),
std::make_pair(bkg_val, bkg_err),
fitted_params,
ShapeParamters{
var_mass_alphaL.getVal(),

6
constants.h
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@ -16,4 +16,10 @@ const int PID_KAON = 321;
const int PID_PION = 211;
const int PID_MUON = 13;
const double BRF_JPSI_MUMU_VAL = 0.0593;
const double BRF_JPSI_MUMU_ERR = 0.0006;
const double BRF_PSI2S_MUMU_VAL = 0.0077;
const double BRF_PSI2S_MUMU_ERR = 0.0008;
#endif

19
new_analysis_b02hphmmumu.cpp
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@ -4,6 +4,8 @@
#include <algorithm>
#include <filesystem>
#include <string_view>
#include <ctime>
#include <fstream>
#include "TH1D.h"
#include "TH2D.h"
@ -270,5 +272,22 @@ int new_analysis_b02hphmmumu()
DrawBDTProbs(h1_bdt_probs, mva_cut_value, analysis_name);
auto signal_ratio = DivWithErr(roofit_hist_psi2s_fitsum.signal_yield.first, roofit_hist_psi2s_fitsum.signal_yield.second, roofit_hist_jpsi_fitsum.signal_yield.first, roofit_hist_jpsi_fitsum.signal_yield.second);
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
ofstream res_file;
res_file.open(TString::Format("%s_results.txt", analysis_name).Data(), ios::out | ios::trunc);
res_file << "#### " << std::put_time(&tm, "%c") << " ####"<< std::endl;
res_file << "J/Psi Mode: " << roofit_hist_jpsi_fitsum.signal_yield.first << " +- " << roofit_hist_jpsi_fitsum.signal_yield.second << std::endl;
res_file << "Psi(2S) Mode: " << roofit_hist_psi2s_fitsum.signal_yield.first << " +- " << roofit_hist_psi2s_fitsum.signal_yield.second << std::endl;
res_file << "Mode Yield Ratio: " << signal_ratio.first << " +- " << signal_ratio.second << std::endl;
res_file << "Rel Br Frac MuMu: " << (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file << "Rel Br Frac: " << signal_ratio.first * (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file.close();
return 0;
}

43
new_analysis_b02kppimmumu.cpp
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@ -4,6 +4,8 @@
#include <algorithm>
#include <filesystem>
#include <string_view>
#include <ctime>
#include <fstream>
#include "TH1D.h"
#include "TH2D.h"
@ -48,7 +50,6 @@ int new_analysis_b02kppimmumu()
const char *data_tree_name = "Hlt2RD_B0ToKpPimMuMu";
const char *sim_tree_name = "B0ToKpPimMuMu_noPID";
const char *end_state_mass_literal = "m(K^{+}#pi^{-}#mu^{+}#mu^{-})";
const bool retrain_bdt = true;
TChain *data_chain = new TChain(TString::Format("%s/DecayTree", data_tree_name));
data_chain->Add("/auto/data/pfeiffer/inclusive_detached_dilepton/data_samples/Collision23_Beam6800GeV-VeloClosed-MagDown-Excl-UT_RealData_SprucingPass23r1_94000000_RD.root");
@ -125,11 +126,6 @@ int new_analysis_b02kppimmumu()
std::cout << "# Starting evaluation of data." << std::endl;
int kplus = 0;
int kminus = 0;
int piplus = 0;
int piminus = 0;
for (unsigned int i = 0; i < data_entries; i++)
{
data_chain->GetEntry(i);
@ -149,24 +145,6 @@ int new_analysis_b02kppimmumu()
{
if (TMath::Abs(dimuon.M() - JPSI_MASS) < 100.)
{
if (Hp_Q == 1)
{
kplus++;
}
else if (Hp_Q == -1)
{
kminus++;
}
if (Hm_Q == 1)
{
piplus++;
}
else if (Hm_Q == -1)
{
piminus++;
}
B_Mass_jpsi_var = reconstructed_B_Mass;
tree_B_Mass_jpsi->Fill();
}
@ -204,7 +182,22 @@ int new_analysis_b02kppimmumu()
// DrawHlt1DecisionHistos(analysis_name, hlt1_decision_histos);
std::cout << "hist entries: " << tree_B_Mass_jpsi->GetEntries() << ", kplus: " << kplus << ", kminus: " << kminus << ", piplus: " << piplus << ", piminus: " << piminus << std::endl;
auto signal_ratio = DivWithErr(roofit_hist_psi2s_fitsum.signal_yield.first, roofit_hist_psi2s_fitsum.signal_yield.second, roofit_hist_jpsi_fitsum.signal_yield.first, roofit_hist_jpsi_fitsum.signal_yield.second);
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
ofstream res_file;
res_file.open(TString::Format("%s_results.txt", analysis_name).Data(), ios::out | ios::trunc);
res_file << "#### " << std::put_time(&tm, "%c") << " ####"<< std::endl;
res_file << "J/Psi Mode: " << roofit_hist_jpsi_fitsum.signal_yield.first << " +- " << roofit_hist_jpsi_fitsum.signal_yield.second << std::endl;
res_file << "Psi(2S) Mode: " << roofit_hist_psi2s_fitsum.signal_yield.first << " +- " << roofit_hist_psi2s_fitsum.signal_yield.second << std::endl;
res_file << "Mode Yield Ratio: " << signal_ratio.first << " +- " << signal_ratio.second << std::endl;
res_file << "Rel Br Frac MuMu: " << (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file << "Rel Br Frac: " << signal_ratio.first * (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file.close();
return 0;
}

19
new_analysis_bu2hpmumu.cpp
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@ -4,6 +4,8 @@
#include <algorithm>
#include <filesystem>
#include <string_view>
#include <ctime>
#include <fstream>
#include "TH1D.h"
#include "TH2D.h"
@ -260,5 +262,22 @@ int new_analysis_bu2hpmumu()
DrawBDTProbs(h1_bdt_probs, mva_cut_value, analysis_name);
auto signal_ratio = DivWithErr(roofit_hist_psi2s_fitsum.signal_yield.first, roofit_hist_psi2s_fitsum.signal_yield.second, roofit_hist_jpsi_fitsum.signal_yield.first, roofit_hist_jpsi_fitsum.signal_yield.second);
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
ofstream res_file;
res_file.open(TString::Format("%s_results.txt", analysis_name).Data(), ios::out | ios::trunc);
res_file << "#### " << std::put_time(&tm, "%c") << " ####"<< std::endl;
res_file << "J/Psi Mode: " << roofit_hist_jpsi_fitsum.signal_yield.first << " +- " << roofit_hist_jpsi_fitsum.signal_yield.second << std::endl;
res_file << "Psi(2S) Mode: " << roofit_hist_psi2s_fitsum.signal_yield.first << " +- " << roofit_hist_psi2s_fitsum.signal_yield.second << std::endl;
res_file << "Mode Yield Ratio: " << signal_ratio.first << " +- " << signal_ratio.second << std::endl;
res_file << "Rel Br Frac MuMu: " << (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file << "Rel Br Frac: " << signal_ratio.first * (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file.close();
return 0;
}

21
new_analysis_bu2kpmumu.cpp
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@ -3,7 +3,9 @@
#include <cmath>
#include <algorithm>
#include <filesystem>
#include <string_view>
#include <string_view
#include <ctime>
#include <fstream>
#include "TH1D.h"
#include "TH2D.h"
@ -48,7 +50,6 @@ int new_analysis_bu2kpmumu()
const char *data_tree_name = "Hlt2RD_BuToKpMuMu";
const char *sim_tree_name = "BuToKpMuMu_noPID";
const char *end_state_mass_literal = "m(K^{+}#mu^{+}#mu^{-})";
const bool retrain_bdt = false;
TChain *data_chain = new TChain(TString::Format("%s/DecayTree", data_tree_name));
data_chain->Add("/auto/data/pfeiffer/inclusive_detached_dilepton/data_samples/Collision23_Beam6800GeV-VeloClosed-MagDown-Excl-UT_RealData_SprucingPass23r1_94000000_RD.root");
@ -165,6 +166,22 @@ int new_analysis_bu2kpmumu()
DrawInDefaultCanvas(roofit_hist_sim, analysis_name);
// DrawHlt1DecisionHistos(analysis_name, hlt1_decision_histos);
auto signal_ratio = DivWithErr(roofit_hist_psi2s_fitsum.signal_yield.first, roofit_hist_psi2s_fitsum.signal_yield.second, roofit_hist_jpsi_fitsum.signal_yield.first, roofit_hist_jpsi_fitsum.signal_yield.second);
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
ofstream res_file;
res_file.open(TString::Format("%s_results.txt", analysis_name).Data(), ios::out | ios::trunc);
res_file << "#### " << std::put_time(&tm, "%c") << " ####"<< std::endl;
res_file << "J/Psi Mode: " << roofit_hist_jpsi_fitsum.signal_yield.first << " +- " << roofit_hist_jpsi_fitsum.signal_yield.second << std::endl;
res_file << "Psi(2S) Mode: " << roofit_hist_psi2s_fitsum.signal_yield.first << " +- " << roofit_hist_psi2s_fitsum.signal_yield.second << std::endl;
res_file << "Mode Yield Ratio: " << signal_ratio.first << " +- " << signal_ratio.second << std::endl;
res_file << "Rel Br Frac MuMu: " << (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file << "Rel Br Frac: " << signal_ratio.first * (BRF_JPSI_MUMU_VAL / BRF_PSI2S_MUMU_VAL) << std::endl;
res_file.close();
return 0;
}