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bkg_all.C
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bkg_all.C
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#include <DDG4/DDG4Dict.h>
#include <DDG4/Geant4DataDump.h>
#include <TVector.h>
#include <TTree.h>
#include <TBranch.h>
#include <TLeaf.h>
#include <TH1.h>
#include <TH2.h>
#include <TCanvas.h>
#include <TMath.h>
#include <TLorentzVector.h>
#include <TLatex.h>
#include <time.h>
void bkg_single(const char *inputFile, TH1D* mcmuon_pe, int &cnt) {
TFile *file = new TFile(inputFile);
TTree *tree = (TTree*) file -> Get("EVENT");
//vector<dd4hep::sim::Geant4Tracker::Hit*> *hits = 0;
//vector<dd4hep::sim::Geant4Calorimeter::Hit*> *muonbarrelhits = 0;
vector<dd4hep::sim::Geant4Particle*> *mcParticles = 0;
//tree -> SetBranchAddress("MuonBarrelHits", &muonbarrelhits);
tree -> SetBranchAddress("MCParticles", &mcParticles);
//TH1D *muonbarrel = new TH1D("muonbarrel", "Muon Barrel Hits energy spectrum", 30, 0, 1.5);
//TH1D *mcmuon_pe = new TH1D("mcmuon_pe", "MC Muon energy spectrum", 30, 0, 200000);
//TH1D *mcmuon_ps = new TH1D("mcmuon_ps", "Mc Muon energy spectrum", 30, 0, 200000);
//TH2D *muonbar_x_y = new TH2D("muonbar_x_y", "Muon Barrel Hits X_Y position", 250, -8000, 8000, 250, -8000, 8000);
//TH2D *mc_s_x_y = new TH2D("mc_s_x_y", "MC muons starting X_Y position", 250, -15000, 15000, 250, -15000, 15000);
//TH2D *mc_e_x_y = new TH2D("mc_e_x_y", "MC muons ending X_Y position", 250, -15000, 15000, 250, -15000, 15000);
for (int i = 0; i < tree->GetEntries(); ++i) {
tree -> GetEntry(i);
/*
for (size_t j = 0; j < muonbarrelhits -> size(); ++j) {
dd4hep::sim::Geant4Calorimeter::Hit* muonbarrelhit = (*muonbarrelhits)[j];
double energy = muonbarrelhit -> energyDeposit;
ROOT::Math::XYZVector pos = muonbarrelhit -> position;
//ROOT::Math::XYZVector dir = muonbarrelhit -> momentum;
double x = pos.X();
double y = pos.Y();
double z = pos.Z();
//double px = dir.X();
//double py = dir.Y();
//double pz = dir.Z();
//std::cout << "x: " << x << "; y: " << y << "; z: " << z << std::endl;
//std::cout << "px: " << px << "; py: " << py << "; pz: " << pz << std::endl;
//std::cout << energy << std::endl;
if (energy != 0 ){
muonbarrel -> Fill(energy);
muonbar_x_y -> Fill(x, y);
}
}
*/
for (size_t k = 0; k < mcParticles -> size(); ++k) {
dd4hep::sim::Geant4Particle* mcParticle = (*mcParticles)[k];
if (TMath::Abs(mcParticle -> pdgID) != 13) {
continue;
}
double mc_pex = mcParticle -> pex;
double mc_pey = mcParticle -> pey;
double mc_pez = mcParticle -> pez;
//double mc_psx = mcParticle -> psx;
//double mc_psy = mcParticle -> psy;
//double mc_psz = mcParticle -> psz;
double mc_pe = TMath::Sqrt(mc_pex * mc_pex + mc_pey * mc_pey + mc_pez * mc_pez);
//double mc_ps = TMath::Sqrt(mc_psx * mc_psx + mc_psy * mc_psy + mc_psz * mc_psz);
/*
double mc_vex = mcParticle -> vex;
double mc_vey = mcParticle -> vey;
double mc_vez = mcParticle -> vez;
double mc_vsx = mcParticle -> vsx;
double mc_vsy = mcParticle -> vsy;
double mc_vsz = mcParticle -> vsz;
*/
if (mc_pe == 0) {
continue;
}
mcmuon_pe -> Fill(mc_pe*1e-3);
cnt = cnt + 1;
//mcmuon_ps -> Fill(mc_ps);
//std::cout << "ps = " << mc_ps << "; pe = " << mc_pe << ";" << std::endl;
//std::cout << "pe = " << mc_pe << ";" << std::endl;
//mc_e_x_y -> Fill(mc_vex, mc_vey);
//mc_s_x_y -> Fill(mc_vsx, mc_vsy);
}
}
/*
TCanvas *canvas = new TCanvas("canvas", "Canvas", 1400, 1400, 1400, 1400);
canvas -> SetWindowSize(1204,1228);
canvas -> SetCanvasSize(1200,1200);
muonbar_x_y -> Draw("COL");
canvas -> SaveAs("MuonBarrel_x_y.png");
TCanvas *c1 = new TCanvas("c1", "Canvas", 1400, 1400, 1400, 1400);
c1 -> SetWindowSize(1204,1228);
c1 -> SetCanvasSize(1200,1200);
mc_e_x_y -> Draw("COL");
c1-> SaveAs("Muon_e_x_y.png");
TCanvas *c2 = new TCanvas("c2", "Canvas", 1400, 1400, 1400, 1400);
c2 -> SetWindowSize(1204,1228);
c2 -> SetCanvasSize(1200,1200);
mc_s_x_y -> Draw("COL");
c2-> SaveAs("Muon_s_x_y.png");
*/
file -> Close();
std::cout<< "closing file... " << cnt << "events" << std::endl;
}
void bkg_all() {
gSystem -> Load("libDDG4Plugins.so");
gSystem -> Load("libDDG4.so");
gSystem -> Load("libDDCore.so");
TH1D *plus_sp_mcmuon_pe = new TH1D("plus_sp_mcmuon_pe", "MC Muon energy spectrum", 30, 0, 250);
//TH1D *plus_sp_mcmuon_ps = new TH1D("plus_sp_mcmuon_ps", "Mc Muon energy spectrum", 30, 0, 200000);
TH1D *plus_spw_mcmuon_pe = new TH1D("plus_spw_mcmuon_pe", "MC Muon energy spectrum", 30, 0, 250);
//TH1D *plus_spw_mcmuon_ps = new TH1D("plus_spw_mcmuon_ps", "Mc Muon energy spectrum", 30, 0, 200000);
TH1D *minus_sp_mcmuon_pe = new TH1D("minus_sp_mcmuon_pe", "MC Muon energy spectrum", 30, 0, 250);
//TH1D *minus_sp_mcmuon_ps = new TH1D("minus_sp_mcmuon_ps", "Mc Muon energy spectrum", 30, 0, 200000);
TH1D *minus_spw_mcmuon_pe = new TH1D("minus_spw_mcmuon_pe", "MC Muon energy spectrum", 30, 0, 250);
//TH1D *minus_spw_mcmuon_ps = new TH1D("minus_spw_mcmuon_ps", "Mc Muon energy spectrum", 30, 0, 200000);
int plus_sp = 0;
int plus_spw = 0;
int minus_sp = 0;
int minus_spw = 0;
std::cout << "Initializing..." << std::endl;
bkg_single("C3SiD_e+_4vect_5spoilers.root", plus_sp_mcmuon_pe, plus_sp);
bkg_single("C3SiD_e+_4vect_5sp+wall.root", plus_spw_mcmuon_pe, plus_spw);
bkg_single("C3SiD_e-_4vect_5spoilers.root", minus_sp_mcmuon_pe, minus_sp);
bkg_single("C3SiD_e-_4vect_5sp+wall.root", minus_spw_mcmuon_pe, minus_spw);
std::cout << "plus_sp: " << plus_sp << "; plus_spw:" << plus_spw << "; minus_sp:" << minus_sp << "; minus_spw:" << minus_spw << ";" << std::endl;
Double_t weight_plus_sp = 2.3 * 75 / 17101;
Double_t weight_plus_spw = 0.34 * 75 / 5426;
Double_t weight_minus_sp = 2.0 * 75 / 14585;
Double_t weight_minus_spw = 0.26 * 75 / 4036;
TCanvas *totalcanvas = new TCanvas("totalcanvas", "Canvas", 1400, 1400, 1400, 1400);
totalcanvas -> SetWindowSize(1504,1228);
totalcanvas -> SetCanvasSize(1500,1200);
totalcanvas -> SetLogy();
/*
plus_sp_mcmuon_pe -> Scale(weight_plus_sp);
plus_spw_mcmuon_pe -> Scale(weight_plus_spw);
minus_sp_mcmuon_pe -> Scale(weight_minus_sp);
minus_spw_mcmuon_pe -> Scale(weight_minus_spw);
*/
plus_sp_mcmuon_pe -> SetLineColor(kPink);
minus_sp_mcmuon_pe -> SetLineColor(kOrange);
plus_spw_mcmuon_pe -> SetLineColor(kBlue);
minus_spw_mcmuon_pe -> SetLineColor(kGreen);
plus_sp_mcmuon_pe -> SetLineWidth(4);
minus_sp_mcmuon_pe -> SetLineWidth(4);
plus_spw_mcmuon_pe -> SetLineWidth(4);
minus_spw_mcmuon_pe -> SetLineWidth(4);
TLegend *legend = new TLegend(0.15, 0.15, 0.35, 0.35);
legend -> AddEntry(plus_sp_mcmuon_pe, "plus_sp", "l");
legend -> AddEntry(minus_sp_mcmuon_pe, "minus_sp", "l");
legend -> AddEntry(plus_spw_mcmuon_pe, "plus_spw", "l");
legend -> AddEntry(minus_spw_mcmuon_pe, "minus_spw", "l");
plus_sp_mcmuon_pe -> Draw("HIST");
plus_spw_mcmuon_pe-> Draw("same");
minus_sp_mcmuon_pe-> Draw("same");
minus_spw_mcmuon_pe-> Draw("same");
legend -> Draw("same");
totalcanvas -> SaveAs("energy_spectrum.png");
}