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Final_KS_qinv_corr_new_error.C
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#include <iostream>
#include "TROOT.h"
#include "TObject.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1D.h"
#include "TH2D.h"
#include "TCanvas.h"
#include "TMath.h"
#include "TVector.h"
#include "Final_KS_qinv_corr_new_error.h"
#include <cstdlib>
#include <string>
#include "TString.h"
#include "TMVA/Reader.h"
#include "TMVA/Tools.h"
#include <chrono>
using namespace std;
using namespace TMVA;
using namespace std::chrono;
void AssignpTbins(double V0pt, double V0eta, double V0phi,double V0id, double V0mass, double pdau_pt, double pdau_eta, double pdau_phi, double ndau_pt, double ndau_eta, double ndau_phi, int idx, int ctbin);
void AnalyseEvents(std::vector<double> zvtx[NBINS_cent], std::vector<int> evtcount[NBINS_cent], std::vector<float> cntbin[NBINS_cent], std::vector<double> evtno[NBINS_cent], std::vector<double> runno[NBINS_cent], std::vector<double> vect_V0id_trg[NBINS_cent][iiev], std::vector<double> vect_V0id_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> V0_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> daup_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> daun_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> V0_vect_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> daup_vect_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> daun_vect_ass[NBINS_cent][iiev]);
void SignalTwoPartCorr(unsigned int iev, unsigned int ic, float centbin);
void TwoPartCorr(unsigned int iev, unsigned int ic);
void MixedTwoPartCorr(unsigned int iev, unsigned int jev, int ic, float centbin);
double GetQInv(double px1,double py1,double pz1,double E1,double px2,double py2,double pz2,double E2);
double GetInvMass(double e1, double px1, double py1, double pz1, double e2, double px2, double py2, double pz2);
int GetCentbin(float Cent);
int GetCent(float Cent);
int GetPtbin(float pt);
int GetKtbin(float kt);
int Getqinvbin(Float_t qinv);
void Final_KS_qinv_corr_new_error(Int_t kFile = 6339)
{
TH1::SetDefaultSumw2();
TH2::SetDefaultSumw2();
auto start = high_resolution_clock::now();
hV0mass_KS_.resize(NBINS_cent);
//hV0mass_KS_cbin_qbin_.resize(NBINS_cent);
for(int icent = 0; icent < NBINS_cent; icent++)
{
hV0mass_KS_[icent].resize(NBINS_pt);
//hV0mass_KS_cbin_qbin_[icent].resize(NBINS_qbin);
hf2_sig_[icent] = new TH1D(Form("hf2_sig_%d",icent),"", 75, 1.2, 1.8);
hf2_mix_[icent] = new TH1D(Form("hf2_mix_%d",icent),"", 75, 1.2, 1.8);
h_V0kt_[icent] = new TH1D(Form("h_V0kt_%d",icent),"", 95, -0.5, 9.0);
h_V0mt_[icent] = new TH1D(Form("h_V0mt_%d",icent),"", 95, -0.5, 9.0);
hcent_dist[icent] = new TH1D(Form("hcent_dist%d",icent),"", 200 ,0, 200);
hV0mass_KS_cent_[icent] = new TH1D(Form("hV0mass_KS_cent_%d",icent),"", 260 ,0.43, 0.56);
hV0mass_KS_cent_qinv0p8_[icent] = new TH1D(Form("hV0mass_KS_cent_qinv0p8_%d",icent),"", 260 ,0.43, 0.56);
hV0mass_KS_cent_qinv1p0_[icent] = new TH1D(Form("hV0mass_KS_cent_qinv1p0_%d",icent),"", 260 ,0.43, 0.56);
hV0mass_KS_cent_qinv1p5_[icent] = new TH1D(Form("hV0mass_KS_cent_qinv1p5_%d",icent),"", 260 ,0.43, 0.56);
hV0mass_KS_cent_qinv2p0_[icent] = new TH1D(Form("hV0mass_KS_cent_qinv2p0_%d",icent),"", 260 ,0.43, 0.56);
hsig_KS_[icent] = new TH1D(Form("hsig_KS_%d",icent),"", 500, 0, 10);
hsig_KS_rotate_[icent] = new TH1D(Form("hsig_KS_rotate_%d",icent),"", 500, 0, 10);
hsig_KS_invert_[icent] = new TH1D(Form("hsig_KS_invert_%d",icent),"", 500, 0, 10);
hmix_KS_[icent] = new TH1D(Form("hmix_KS_%d",icent),"", 500, 0, 10);
hmix_KS_rotate_[icent] = new TH1D(Form("hmix_KS_rotate_%d",icent),"", 500, 0, 10);
hmix_KS_invert_[icent] = new TH1D(Form("hmix_KS_invert_%d",icent),"", 500, 0, 10);
hsig_KS_AB_[icent] = new TH1D(Form("hsig_KS_AB_%d",icent),"", 500, 0, 10);
hsig_KS_left_AB_[icent] = new TH1D(Form("hsig_KS_left_AB_%d",icent),"", 500, 0, 10);
hsig_KS_right_AB_[icent] = new TH1D(Form("hsig_KS_right_AB_%d",icent),"", 500, 0, 10);
hsig_KS_rotate_AB_[icent] = new TH1D(Form("hsig_KS_rotate_AB_%d",icent),"", 500, 0, 10);
hsig_KS_invert_AB_[icent] = new TH1D(Form("hsig_KS_invert_AB_%d",icent),"", 500, 0, 10);
hmix_KS_AB_[icent] = new TH1D(Form("hmix_KS_AB_%d",icent),"", 500, 0, 10);
hmix_KS_left_AB_[icent] = new TH1D(Form("hmix_KS_left_AB_%d",icent),"", 500, 0, 10);
hmix_KS_right_AB_[icent] = new TH1D(Form("hmix_KS_right_AB_%d",icent),"", 500, 0, 10);
hmix_KS_rotate_AB_[icent] = new TH1D(Form("hmix_KS_rotate_AB_%d",icent),"", 500, 0, 10);
hmix_KS_invert_AB_[icent] = new TH1D(Form("hmix_KS_invert_AB_%d",icent),"", 500, 0, 10);
hsig_KS_BB_[icent] = new TH1D(Form("hsig_KS_BB_%d",icent),"", 500, 0, 10);
hsig_KS_BB1_[icent] = new TH1D(Form("hsig_KS_BB1_%d",icent),"", 500, 0, 10);
hsig_KS_BB2_[icent] = new TH1D(Form("hsig_KS_BB2_%d",icent),"", 500, 0, 10);
hsig_KS_left_BB_[icent] = new TH1D(Form("hsig_KS_left_BB_%d",icent),"", 500, 0, 10);
hsig_KS_right_BB_[icent] = new TH1D(Form("hsig_KS_right_BB_%d",icent),"", 500, 0, 10);
hsig_KS_rotate_BB_[icent] = new TH1D(Form("hsig_KS_rotate_BB_%d",icent),"", 500, 0, 10);
hsig_KS_invert_BB_[icent] = new TH1D(Form("hsig_KS_invert_BB_%d",icent),"", 500, 0, 10);
hmix_KS_BB_[icent] = new TH1D(Form("hmix_KS_BB_%d",icent),"", 500, 0, 10);
hmix_KS_BB1_[icent] = new TH1D(Form("hmix_KS_BB1_%d",icent),"", 500, 0, 10);
hmix_KS_BB2_[icent] = new TH1D(Form("hmix_KS_BB2_%d",icent),"", 500, 0, 10);
hmix_KS_left_BB_[icent] = new TH1D(Form("hmix_KS_left_BB_%d",icent),"", 500, 0, 10);
hmix_KS_right_BB_[icent] = new TH1D(Form("hmix_KS_right_BB_%d",icent),"", 500, 0, 10);
hmix_KS_rotate_BB_[icent] = new TH1D(Form("hmix_KS_rotate_BB_%d",icent),"", 500, 0, 10);
hmix_KS_invert_BB_[icent] = new TH1D(Form("hmix_KS_invert_BB_%d",icent),"", 500, 0, 10);
}
for(int icent = 0; icent < NBINS_cent; ++icent)
{
for(int ipt = 0; ipt < NBINS_pt; ++ipt)
{
hV0mass_KS_[icent][ipt] = new TH1D(Form("hV0mass_KS_centbin_%d_ptbin_%d",icent,ipt),Form("hV0mass_KS_centbin_%d_ptbin_%d",icent,ipt), 260, 0.43, 0.56);
}
}
/*
for(int icent = 0; icent < NBINS_cent; ++icent)
{
for(int iq = 0; iq < NBINS_qbin; ++iq)
{
hV0mass_KS_cbin_qbin_[icent][iq] = new TH1D(Form("hV0mass_KS_centbin_%d_qbin_%d",icent,iq),Form("hV0mass_KS_centbin_%d_qbin_%d",icent,iq), 260, 0.43, 0.56);
}
}
*/
for(int iq = 0; iq < NBINS_qbin; ++iq)
{
hV0mass_KS_cbin_qbin_[iq] = new TH1D(Form("hV0mass_KS_qbin_%d",iq),Form("hV0mass_KS_qbin_%d",iq), 260, 0.43, 0.56);
}
for(int ikt = 0; ikt < NBINS_kt; ++ikt)
{
hsig_KS_kt_[ikt] = new TH1D(Form("hsig_KS_kt_%d",ikt),"", 500, 0, 10);
hmix_KS_kt_[ikt] = new TH1D(Form("hmix_KS_kt_%d",ikt),"", 500, 0, 10);
}
hsig_KS_ckt_.resize(NBINS_cent);
hmix_KS_ckt_.resize(NBINS_cent);
for(int icent = 0; icent < NBINS_cent; ++icent)
{
hsig_KS_ckt_[icent].resize(NBINS_kt);
hmix_KS_ckt_[icent].resize(NBINS_kt);
}
for(int icent = 0; icent < NBINS_cent; ++icent)
{
for(int ikt = 0; ikt < NBINS_kt; ++ikt)
{
hsig_KS_ckt_[icent][ikt] = new TH1D(Form("hsig_KS_ckt_%d%d",icent,ikt),"", 500, 0, 10);
hmix_KS_ckt_[icent][ikt] = new TH1D(Form("hmix_KS_ckt_%d%d",icent,ikt),"", 500, 0, 10);
}
}
for(Int_t z_rsz = 0; z_rsz < NBINS_cent; z_rsz++)
{
vzvtx[z_rsz].resize(0);
cntbin[z_rsz].resize(0);
evtno[z_rsz].resize(0);
runno[z_rsz].resize(0);
evtcount[z_rsz].resize(0);
for(Int_t k = 0; k < iiev; k++)
{
vect_V0id_trg[z_rsz][k].resize(0);
V0_vect_trg[z_rsz][k].resize(0);
daup_vect_trg[z_rsz][k].resize(0);
daun_vect_trg[z_rsz][k].resize(0);
vect_V0id_ass[z_rsz][k].resize(0);
V0_vect_ass[z_rsz][k].resize(0);
daup_vect_ass[z_rsz][k].resize(0);
daun_vect_ass[z_rsz][k].resize(0);
}
}
TString Str;
ifstream fpr("2018_HM.txt", ios::in);
for(Int_t ifile = 0; ifile < kFile; ifile++)
{
fpr >> Str;
if(ifile % 500 ==0)
{
cout << ifile <<" files run"<< endl;
cout<<"file name: "<<Str<<std::endl;
}
TFile *file = new TFile(Str, "READ");
TDirectory *dir1 = (TDirectory*)file->Get("RAGHUV0");
TDirectory *dir2 = (TDirectory*)dir1->Get("V0tree");
TTree *evt_tree =(TTree*)dir2->Get("Events");
Double_t zvtx;
Float_t centbin;
Int_t run_no;
Int_t event_no;
TBranch *b_zBestVtx1_;
TBranch *b_cent;
TBranch *b_run;
TBranch *b_event;
evt_tree->SetBranchAddress("zvtx", &zvtx, &b_zBestVtx1_);
evt_tree->SetBranchAddress("centbin", ¢bin, &b_cent);
evt_tree->SetBranchAddress("run_no", &run_no, &b_run);
evt_tree->SetBranchAddress("event_no", &event_no, &b_event);
TTree *V0_tree =(TTree*)dir2->Get("Kshort");
vector<double> *V0mass_kshort=0;
vector<double> *V0pt_kshort=0;
vector<double> *V0eta_kshort=0;
vector<double> *V0rapidity_kshort=0;
vector<double> *V0phi_kshort=0;
vector<double> *V0id_kshort=0;
vector<double> *V0Chi2_kshort=0;
vector<double> *V0lxyz_kshort=0;
vector<double> *V0costhetaXYZ_kshort=0;
vector<double> *V0vtxDecaySigXYZ_kshort=0;
vector<double> *dca_kshort=0;
vector<double> *mva_kshort=0;
vector<double> *pdau_kshort_pt=0;
vector<double> *pdau_kshort_pterror=0;
vector<double> *pdau_kshort_eta=0;
vector<double> *pdau_kshort_phi=0;
vector<double> *pdau_kshort_nchi2=0;
vector<double> *pdau_kshort_nhits=0;
vector<double> *pdau_kshort_NPxlayer=0;
vector<double> *pdau_kshort_DCAsigXY=0;
vector<double> *pdau_kshort_DCAsigZ=0;
vector<double> *ndau_kshort_pt=0;
vector<double> *ndau_kshort_pterror=0;
vector<double> *ndau_kshort_eta=0;
vector<double> *ndau_kshort_phi=0;
vector<double> *ndau_kshort_nchi2=0;
vector<double> *ndau_kshort_nhits=0;
vector<double> *ndau_kshort_NPxlayer=0;
vector<double> *ndau_kshort_DCAsigXY=0;
vector<double> *ndau_kshort_DCAsigZ=0;
TBranch *b_V0mass;
TBranch *b_V0pt;
TBranch *b_V0eta;
TBranch *b_V0rapidity;
TBranch *b_V0phi;
TBranch *b_V0id;
TBranch *b_V0Chi2;
TBranch *b_V0lxyz;
TBranch *b_V0costhetaXYZ;
TBranch *b_V0vtxDecaySigXYZ;
TBranch *b_dca;
TBranch *b_mva;
TBranch *b_pdau_pt;
TBranch *b_pdau_pterror;
TBranch *b_pdau_eta;
TBranch *b_pdau_phi;
TBranch *b_pdau_nchi2;
TBranch *b_pdau_nhits;
TBranch *b_pdau_NPxlayer;
TBranch *b_pdau_DCAsigXY;
TBranch *b_pdau_DCAsigZ;
TBranch *b_ndau_pt;
TBranch *b_ndau_pterror;
TBranch *b_ndau_eta;
TBranch *b_ndau_phi;
TBranch *b_ndau_nchi2;
TBranch *b_ndau_nhits;
TBranch *b_ndau_NPxlayer;
TBranch *b_ndau_DCAsigXY;
TBranch *b_ndau_DCAsigZ;
V0_tree->SetBranchAddress("V0mass_kshort", &V0mass_kshort, &b_V0mass);
V0_tree->SetBranchAddress("V0pt_kshort", &V0pt_kshort, &b_V0pt);
V0_tree->SetBranchAddress("V0eta_kshort", &V0eta_kshort, &b_V0eta);
V0_tree->SetBranchAddress("V0rapidity_kshort", &V0rapidity_kshort, &b_V0rapidity);
V0_tree->SetBranchAddress("V0phi_kshort", &V0phi_kshort, &b_V0phi);
V0_tree->SetBranchAddress("V0id_kshort", &V0id_kshort, &b_V0id);
V0_tree->SetBranchAddress("V0Chi2_kshort", &V0Chi2_kshort, &b_V0Chi2);
V0_tree->SetBranchAddress("V0lxyz_kshort", &V0lxyz_kshort, &b_V0lxyz);
V0_tree->SetBranchAddress("V0costhetaXYZ_kshort", &V0costhetaXYZ_kshort, &b_V0costhetaXYZ);
V0_tree->SetBranchAddress("V0vtxDecaySigXYZ_kshort", &V0vtxDecaySigXYZ_kshort, &b_V0vtxDecaySigXYZ);
V0_tree->SetBranchAddress("dca_kshort", &dca_kshort, &b_dca);
V0_tree->SetBranchAddress("mva_kshort", &mva_kshort, &b_mva);
V0_tree->SetBranchAddress("pdau_kshort_pt", &pdau_kshort_pt, &b_pdau_pt);
V0_tree->SetBranchAddress("pdau_kshort_pterror", &pdau_kshort_pterror, &b_pdau_pterror);
V0_tree->SetBranchAddress("pdau_kshort_eta", &pdau_kshort_eta, &b_pdau_eta);
V0_tree->SetBranchAddress("pdau_kshort_phi", &pdau_kshort_phi, &b_pdau_phi);
V0_tree->SetBranchAddress("pdau_kshort_nchi2", &pdau_kshort_nchi2, &b_pdau_nchi2);
V0_tree->SetBranchAddress("pdau_kshort_nhits", &pdau_kshort_nhits, &b_pdau_nhits);
V0_tree->SetBranchAddress("pdau_kshort_NPxlayer", &pdau_kshort_NPxlayer, &b_pdau_NPxlayer);
V0_tree->SetBranchAddress("pdau_kshort_DCAsigXY", &pdau_kshort_DCAsigXY, &b_pdau_DCAsigXY);
V0_tree->SetBranchAddress("pdau_kshort_DCAsigZ", &pdau_kshort_DCAsigZ, &b_pdau_DCAsigZ);
V0_tree->SetBranchAddress("ndau_kshort_pt", &ndau_kshort_pt, &b_ndau_pt);
V0_tree->SetBranchAddress("ndau_kshort_pterror", &ndau_kshort_pterror, &b_ndau_pterror);
V0_tree->SetBranchAddress("ndau_kshort_eta", &ndau_kshort_eta, &b_ndau_eta);
V0_tree->SetBranchAddress("ndau_kshort_phi", &ndau_kshort_phi, &b_ndau_phi);
V0_tree->SetBranchAddress("ndau_kshort_nchi2", &ndau_kshort_nchi2, &b_ndau_nchi2);
V0_tree->SetBranchAddress("ndau_kshort_nhits", &ndau_kshort_nhits, &b_ndau_nhits);
V0_tree->SetBranchAddress("ndau_kshort_NPxlayer", &ndau_kshort_NPxlayer, &b_ndau_NPxlayer);
V0_tree->SetBranchAddress("ndau_kshort_DCAsigXY", &ndau_kshort_DCAsigXY, &b_ndau_DCAsigXY);
V0_tree->SetBranchAddress("ndau_kshort_DCAsigZ", &ndau_kshort_DCAsigZ, &b_ndau_DCAsigZ);
//--------------------------------------------------------------------
Int_t nevent = evt_tree->GetEntries();
Int_t idx = 0;
for(Int_t ievt = 0; ievt < nevent; ievt++)
{
evt_tree->GetEntry(ievt);
cbin = centbin;
if (cbin >= 120.) continue;
hcentbin_dist->Fill(cbin);
Long64_t tentry = V0_tree->LoadTree(ievt);
if(tentry < 0) break;
b_V0mass->GetEntry(tentry);
b_V0pt->GetEntry(tentry);
b_V0eta->GetEntry(tentry);
b_V0rapidity->GetEntry(tentry);
b_V0phi->GetEntry(tentry);
b_V0id->GetEntry(tentry);
b_V0Chi2->GetEntry(tentry);
b_V0lxyz->GetEntry(tentry);
b_V0costhetaXYZ->GetEntry(tentry);
b_V0vtxDecaySigXYZ->GetEntry(tentry);
b_dca->GetEntry(tentry);
b_mva->GetEntry(tentry);
b_pdau_pt->GetEntry(tentry);
b_pdau_pterror->GetEntry(tentry);
b_pdau_eta->GetEntry(tentry);
b_pdau_phi->GetEntry(tentry);
b_pdau_nchi2->GetEntry(tentry);
b_pdau_nhits->GetEntry(tentry);
b_pdau_NPxlayer->GetEntry(tentry);
b_pdau_DCAsigXY->GetEntry(tentry);
b_pdau_DCAsigZ->GetEntry(tentry);
b_ndau_pt->GetEntry(tentry);
b_ndau_pterror->GetEntry(tentry);
b_ndau_eta->GetEntry(tentry);
b_ndau_phi->GetEntry(tentry);
b_ndau_nchi2->GetEntry(tentry);
b_ndau_nhits->GetEntry(tentry);
b_ndau_NPxlayer->GetEntry(tentry);
b_ndau_DCAsigXY->GetEntry(tentry);
b_ndau_DCAsigZ->GetEntry(tentry);
std::vector<double> V0pt_vect;
std::vector<double> V0eta_vect;
std::vector<double> V0phi_vect;
std::vector<int> V0id_vect;
std::vector<double> V0mass_vect;
std::vector<double> pdau_pt_vect;
std::vector<double> pdau_eta_vect;
std::vector<double> pdau_phi_vect;
std::vector<double> pdau_chi2_vect;
std::vector<double> ndau_pt_vect;
std::vector<double> ndau_eta_vect;
std::vector<double> ndau_phi_vect;
std::vector<double> ndau_chi2_vect;
Int_t npar = 0;
for (unsigned int i = 0; i< V0pt_kshort->size(); i++)
{
V0_mass = (*V0mass_kshort)[i];
V0_pt = (*V0pt_kshort)[i];
V0_eta = (*V0eta_kshort)[i];
V0_rapidity = (*V0rapidity_kshort)[i];
V0_phi = (*V0phi_kshort)[i];
V0_id = (*V0id_kshort)[i];
V0_dca = (*dca_kshort)[i];
V0_mva = (*mva_kshort)[i];
V0_Chi2 = (*V0Chi2_kshort)[i];
V0_lxyz = (*V0lxyz_kshort)[i];
V0_costhetaXYZ = (*V0costhetaXYZ_kshort)[i];
V0_vtxDecaySigXYZ = (*V0vtxDecaySigXYZ_kshort)[i];
daup_pt = (*pdau_kshort_pt)[i];
daup_eta = (*pdau_kshort_eta)[i];
daup_phi = (*pdau_kshort_phi)[i];
daup_chi2 = (*pdau_kshort_nchi2)[i];
daup_pterror = (*pdau_kshort_pterror)[i];
daup_nhits = (*pdau_kshort_nhits)[i];
daup_NPxlayer = (*pdau_kshort_NPxlayer)[i];
daup_DCAsigXY = (*pdau_kshort_DCAsigXY)[i];
daup_DCAsigZ = (*pdau_kshort_DCAsigZ)[i];
daun_pt = (*ndau_kshort_pt)[i];
daun_eta = (*ndau_kshort_eta)[i];
daun_phi = (*ndau_kshort_phi)[i];
daun_chi2 = (*ndau_kshort_nchi2)[i];
daun_pterror = (*ndau_kshort_pterror)[i];
daun_nhits = (*ndau_kshort_nhits)[i];
daun_NPxlayer = (*ndau_kshort_NPxlayer)[i];
daun_DCAsigXY = (*ndau_kshort_DCAsigXY)[i];
daun_DCAsigZ = (*ndau_kshort_DCAsigZ)[i];
if ( V0_mva <= bdt_cut) continue;
if ( TMath::Abs(V0_id) != 310) continue;
if ( TMath::Abs(V0_rapidity) > Rapmax) continue; //|| V0_rapidity <= Rapmin ) continue;
if ( V0_mass > Massmax || V0_mass < Massmin ) continue;
if ( V0_vtxDecaySigXYZ <= decaylength ) continue;
if ( V0_costhetaXYZ <= costheta) continue;
TVector3 pV0vector(V0_pt * TMath::Cos(V0_phi), V0_pt * TMath::Sin(V0_phi), V0_pt * TMath::SinH(V0_eta));
TVector3 pd1vector(daup_pt * TMath::Cos(daup_phi), daup_pt * TMath::Sin(daup_phi), daup_pt * TMath::SinH(daup_eta));
TVector3 pd2vector(daun_pt * TMath::Cos(daun_phi), daun_pt * TMath::Sin(daun_phi), daun_pt * TMath::SinH(daun_eta));
TVector3 dauvec1(daup_pt * TMath::Cos(daup_phi), daup_pt * TMath::Sin(daup_phi), daup_pt * TMath::SinH(daup_eta));
TVector3 dauvec2(daun_pt * TMath::Cos(daun_phi), daun_pt * TMath::Sin(daun_phi), daun_pt * TMath::SinH(daun_eta));
TVector3 dauvecsum(dauvec1+dauvec2);
double pd1 = TMath::Sqrt(pow(daup_pt * TMath::Cos(daup_phi),2)+ pow(daup_pt * TMath::Sin(daup_phi),2)+ pow(daup_pt * TMath::SinH(daup_eta),2));
double pd2 = TMath::Sqrt(pow(daun_pt * TMath::Cos(daun_phi),2)+ pow(daun_pt * TMath::Sin(daun_phi),2)+ pow(daun_pt * TMath::SinH(daun_eta),2));
double v0masspiproton1 = sqrt((sqrt(0.93827*0.93827+pd1*pd1)+sqrt(0.13957*0.13957+pd2*pd2))*(sqrt(0.93827*0.93827+pd1*pd1)+sqrt(0.13957*0.13957+pd2*pd2))-dauvecsum.Mag2());
double v0masspiproton2 = sqrt((sqrt(0.13957*0.13957+pd1*pd1)+sqrt(0.93827*0.93827+pd2*pd2))*(sqrt(0.13957*0.13957+pd1*pd1)+sqrt(0.93827*0.93827+pd2*pd2))-dauvecsum.Mag2());
hpip1->Fill(v0masspiproton1);
hpip2->Fill(v0masspiproton2);
if((v0masspiproton1>=(1.115683-mis_la_range) && v0masspiproton1<=(1.115683+mis_la_range)) || (v0masspiproton2>=(1.115683-mis_la_range) && v0masspiproton2<=(1.115683+mis_la_range)) ) continue;
int ptbin = GetPtbin(V0_pt);
int ctbin_pt = GetCentbin(cbin);
hV0mass_KS_[ctbin_pt][ptbin]->Fill(V0_mass);
if ( V0_pt > pTmax || V0_pt < pTmin ) continue;
double P1l = (pV0vector.Dot(pd1vector))/pV0vector.Mag();
double P2l = (pV0vector.Dot(pd2vector))/pV0vector.Mag();
double qt = ((pd1vector.Cross(pd2vector)).Mag())/pV0vector.Mag();
double alpha = (P1l - P2l)/(P1l+P2l);
V0pt_vect.push_back(V0_pt);
V0eta_vect.push_back(V0_eta);
V0phi_vect.push_back(V0_phi);
V0id_vect.push_back(V0_id);
V0mass_vect.push_back(V0_mass);
pdau_pt_vect.push_back(daup_pt);
pdau_eta_vect.push_back(daup_eta);
pdau_phi_vect.push_back(daup_phi);
pdau_chi2_vect.push_back(daup_chi2);
ndau_pt_vect.push_back(daun_pt);
ndau_eta_vect.push_back(daun_eta);
ndau_phi_vect.push_back(daun_phi);
ndau_chi2_vect.push_back(daun_chi2);
h_V0mass->Fill(V0_mass);
h_V0pt->Fill(V0_pt);
h_V0eta->Fill(V0_eta);
h_V0phi->Fill(V0_phi);
h_V0rapidity->Fill(V0_rapidity);
if (V0_mass >= mass_sig_min && V0_mass <= mass_sig_max)
{
harmen->Fill(alpha, qt);
}
npar++;
}//particle loop end-------------------------------------
if (npar < 2)
{
V0pt_vect.clear();
V0eta_vect.clear();
V0phi_vect.clear();
V0id_vect.clear();
V0mass_vect.clear();
pdau_pt_vect.clear();
pdau_eta_vect.clear();
pdau_phi_vect.clear();
pdau_chi2_vect.clear();
ndau_pt_vect.clear();
ndau_eta_vect.clear();
ndau_phi_vect.clear();
ndau_chi2_vect.clear();
continue;
}
int ctbin = GetCentbin(cbin);
vzvtx[ctbin].push_back(zvtx);
evtno[ctbin].push_back(event_no);
runno[ctbin].push_back(run_no);
cntbin[ctbin].push_back(cbin);
for (unsigned int ntrk_1 = 0; ntrk_1 < V0pt_vect.size(); ntrk_1 ++)
{
bool is_dcut = kFALSE;
double V0pt_pure = V0pt_vect[ntrk_1];
double V0eta_pure = V0eta_vect[ntrk_1];
double V0phi_pure = V0phi_vect[ntrk_1];
double V0id_pure = V0id_vect[ntrk_1];
double V0mass_pure = V0mass_vect[ntrk_1];
double ppt_1 = pdau_pt_vect[ntrk_1];
double peta_1 = pdau_eta_vect[ntrk_1];
double pphi_1 = pdau_phi_vect[ntrk_1];
double pchi2_1 = pdau_chi2_vect[ntrk_1];
double npt_1 = ndau_pt_vect[ntrk_1];
double neta_1 = ndau_eta_vect[ntrk_1];
double nphi_1 = ndau_phi_vect[ntrk_1];
double nchi2_1 = ndau_chi2_vect[ntrk_1];
TVector3 vec_daup_1;
vec_daup_1.SetPtEtaPhi(ppt_1, peta_1, pphi_1);
TVector3 vec_daun_1;
vec_daun_1.SetPtEtaPhi(npt_1, neta_1, nphi_1);
for (unsigned int ntrk_2 = 0; ntrk_2 < V0pt_vect.size(); ntrk_2 ++)
{
if(ntrk_1 == ntrk_2) continue;
double ppt_2 = pdau_pt_vect[ntrk_2];
double peta_2 = pdau_eta_vect[ntrk_2];
double pphi_2 = pdau_phi_vect[ntrk_2];
double pchi2_2 = pdau_chi2_vect[ntrk_2];
double npt_2 = ndau_pt_vect[ntrk_2];
double neta_2 = ndau_eta_vect[ntrk_2];
double nphi_2 = ndau_phi_vect[ntrk_2];
double nchi2_2 = ndau_chi2_vect[ntrk_2];
double p_dphi = fabs(pphi_1 - pphi_2);
double n_dphi = fabs(nphi_1 - nphi_2);
double p_deta = fabs(peta_1 - peta_2);
double n_deta = fabs(neta_1 - neta_2);
double p_chi2 = fabs(pchi2_1 - pchi2_2);
double n_chi2 = fabs(nchi2_1 - nchi2_2);
double p_dpt = fabs(ppt_1 - ppt_2);
double n_dpt = fabs(npt_1 - npt_2);
TVector3 vec_daup_2;
vec_daup_2.SetPtEtaPhi(ppt_2, peta_2, pphi_2);
TVector3 vec_daun_2;
vec_daun_2.SetPtEtaPhi(npt_2, neta_2, nphi_2);
double dcosthetadaun = fabs((vec_daun_1.Dot(vec_daun_2))/(vec_daun_1.Mag()*vec_daun_2.Mag()));
double dcosthetadaup = fabs((vec_daup_1.Dot(vec_daup_2))/(vec_daup_1.Mag()*vec_daup_2.Mag()));
hdpt_dcostheta_daun_wo->Fill(n_dpt, dcosthetadaun);
hdpt_dcostheta_daup_wo->Fill(p_dpt, dcosthetadaup);
hdeta_dphi_daun_wo->Fill(n_deta, n_dphi);
hdeta_dphi_daup_wo->Fill(p_deta, p_dphi);
hdchi2_daup->Fill(p_chi2);
hdchi2_daun->Fill(n_chi2);
//if ((p_deta == dau_etaphi_ && p_dphi == dau_etaphi_) || (n_deta == dau_etaphi_ && n_dphi == dau_etaphi_))
if ((p_chi2 <= dau_cut) || (n_chi2 <= dau_cut))
{
is_dcut = kTRUE;
break;
}
else is_dcut = kFALSE;
}
if (!is_dcut)
{
AssignpTbins(V0pt_pure, V0eta_pure, V0phi_pure, V0id_pure, V0mass_pure, ppt_1, peta_1, pphi_1, npt_1, neta_1, nphi_1, idx, ctbin);
}
}// vector particle loop end----------------
V0pt_vect.clear();
V0eta_vect.clear();
V0phi_vect.clear();
V0id_vect.clear();
V0mass_vect.clear();
pdau_pt_vect.clear();
pdau_eta_vect.clear();
pdau_phi_vect.clear();
pdau_chi2_vect.clear();
ndau_pt_vect.clear();
ndau_eta_vect.clear();
ndau_phi_vect.clear();
ndau_chi2_vect.clear();
evtcount[ctbin].push_back(idx);
idx ++;
} // event loop end-------------
AnalyseEvents(vzvtx, evtcount, cntbin, evtno, runno, vect_V0id_trg, vect_V0id_ass, V0_vect_trg, daup_vect_trg, daun_vect_trg, V0_vect_ass, daup_vect_ass, daun_vect_ass);
for(Int_t z = 0; z < NBINS_cent; z++)
{
vzvtx[z].clear();
cntbin[z].clear();
evtno[z].clear();
runno[z].clear();
evtcount[z].clear();
for(Int_t k = 0; k < iiev; k++)
{
vect_V0id_trg[z][k].clear();
V0_vect_trg[z][k].clear();
daup_vect_trg[z][k].clear();
daun_vect_trg[z][k].clear();
vect_V0id_ass[z][k].clear();
V0_vect_ass[z][k].clear();
daup_vect_ass[z][k].clear();
daun_vect_ass[z][k].clear();
}
}
delete evt_tree;
delete V0_tree;
file->Close();
delete file;
}//text file loop------------------------
TFile *fout = new TFile("/home/matapita/cernbox/V0_analysis/plot_Anarootfile/new_plot/Final_dec8_2020/new_systematics/kshort/BDT/new_rootfiles_july6/f2mass_check_HM0_1_2_3_Oct2.root","recreate");
TDirectory *Devent_hist = fout->mkdir("Event_hists");
Devent_hist->cd();
hzvtx->Write();
hcentbin->Write();
hcentbin_dist->Write();
for (int iic = 0; iic< NBINS_cent; iic++)
{
hcent_dist[iic]->Write();
}
Devent_hist->cd();
TDirectory *DV0_hist = fout->mkdir("V0_hists");
DV0_hist->cd();
h_V0mass->Write();
h_V0mass_pure->Write();
h_V0pt->Write();
h_V0kt->Write();
h_V0mt->Write();
h_V0eta->Write();
h_V0phi->Write();
h_V0rapidity->Write();
harmen->Write();
hpip1->Write();
hpip2->Write();
hdptcostheta_daup->Write();
hdptcostheta_daun->Write();
hdpt_dcostheta_daun_wo->Write();
hdpt_dcostheta_daup_wo->Write();
hdeta_dphi_daun_wo->Write();
hdeta_dphi_daup_wo->Write();
hdchi2_daun->Write();
hdchi2_daup->Write();
for (int iic = 0; iic< NBINS_cent; iic++)
{
h_V0kt_[iic]->Write();
h_V0mt_[iic]->Write();
hf2_sig_[iic]->Write();
hf2_mix_[iic]->Write();
}
hf2_sig->Write();
hf2_mix->Write();
DV0_hist->cd();
TDirectory *DV0mass_hist = fout->mkdir("V0mass_hists");
DV0mass_hist->cd();
for (int i = 0; i< NBINS_cent; i++)
{
hV0mass_KS_cent_[i]->Write();
for (int j = 0; j< NBINS_pt; j++)
{
hV0mass_KS_[i][j]->Write();
}
}
DV0mass_hist->cd();
TDirectory *Dqinvmass_hist = fout->mkdir("qinvV0mass_hists");
Dqinvmass_hist->cd();
hV0mass_KS_qinv0p8->Write();
hV0mass_KS_qinv1p0->Write();
hV0mass_KS_qinv1p5->Write();
hV0mass_KS_qinv2p0->Write();
for (int ii = 0; ii< NBINS_cent; ii++)
{
hV0mass_KS_cent_qinv0p8_[ii]->Write();
hV0mass_KS_cent_qinv1p0_[ii]->Write();
hV0mass_KS_cent_qinv1p5_[ii]->Write();
hV0mass_KS_cent_qinv2p0_[ii]->Write();
/*
for(int iqbin = 0; iqbin <NBINS_qbin; iqbin++)
{
hV0mass_KS_cbin_qbin_[ii][iqbin]->Write();
}
*/
}
for(int iqbin = 0; iqbin <NBINS_qbin; iqbin++)
{
hV0mass_KS_cbin_qbin_[iqbin]->Write();
}
Dqinvmass_hist->cd();
TDirectory *DV0corr_hist = fout->mkdir("V0corr_hists");
DV0corr_hist->cd();
hsig_KS_cent_qinv->Write();
hmix_KS_cent_qinv->Write();
hsig_daup->Write();
hsig_daun->Write();
hsig_KS->Write();
hsig_KS_rotate->Write();
hsig_KS_invert->Write();
hmix_KS->Write();
hmix_KS_rotate->Write();
hmix_KS_invert->Write();
hsig_KS_AB->Write();
hsig_KS_left_AB->Write();
hsig_KS_right_AB->Write();
hsig_KS_rotate_AB->Write();
hsig_KS_invert_AB->Write();
hmix_KS_AB->Write();
hmix_KS_left_AB->Write();
hmix_KS_right_AB->Write();
hmix_KS_rotate_AB->Write();
hmix_KS_invert_AB->Write();
hsig_KS_BB->Write();
hsig_KS_BB1->Write();
hsig_KS_BB2->Write();
hsig_KS_left_BB->Write();
hsig_KS_right_BB->Write();
hsig_KS_rotate_BB->Write();
hsig_KS_invert_BB->Write();
hmix_KS_BB->Write();
hmix_KS_BB1->Write();
hmix_KS_BB2->Write();
hmix_KS_left_BB->Write();
hmix_KS_right_BB->Write();
hmix_KS_rotate_BB->Write();
hmix_KS_invert_BB->Write();
for(int y = 0; y < NBINS_cent; y++)
{
hsig_KS_[y]->Write();
hsig_KS_rotate_[y]->Write();
hsig_KS_invert_[y]->Write();
hmix_KS_[y]->Write();
hmix_KS_rotate_[y]->Write();
hmix_KS_invert_[y]->Write();
hsig_KS_AB_[y]->Write();
hsig_KS_left_AB_[y]->Write();
hsig_KS_right_AB_[y]->Write();
hsig_KS_rotate_AB_[y]->Write();
hsig_KS_invert_AB_[y]->Write();
hmix_KS_AB_[y]->Write();
hmix_KS_left_AB_[y]->Write();
hmix_KS_right_AB_[y]->Write();
hmix_KS_rotate_AB_[y]->Write();
hmix_KS_invert_AB_[y]->Write();
hsig_KS_BB_[y]->Write();
hsig_KS_BB1_[y]->Write();
hsig_KS_BB2_[y]->Write();
hsig_KS_left_BB_[y]->Write();
hsig_KS_right_BB_[y]->Write();
hsig_KS_rotate_BB_[y]->Write();
hsig_KS_invert_BB_[y]->Write();
hmix_KS_BB_[y]->Write();
hmix_KS_BB1_[y]->Write();
hmix_KS_BB2_[y]->Write();
hmix_KS_left_BB_[y]->Write();
hmix_KS_right_BB_[y]->Write();
hmix_KS_rotate_BB_[y]->Write();
hmix_KS_invert_BB_[y]->Write();
}
DV0corr_hist->cd();
TDirectory *DV0corr_ktbin_hist = fout->mkdir("V0corr_ktbin_hists");
DV0corr_ktbin_hist->cd();
for(int z = 0; z < NBINS_kt; z++)
{
hsig_KS_kt_[z]->Write();
hmix_KS_kt_[z]->Write();
}
for(int y = 0; y < NBINS_cent; y++)
{
for(int z = 0; z < NBINS_kt; z++)
{
hsig_KS_ckt_[y][z]->Write();
hmix_KS_ckt_[y][z]->Write();
}
}
DV0corr_ktbin_hist->cd();
fout->Write();
fout->Close();
delete fout;
auto stop = high_resolution_clock::now();
auto duration = duration_cast<minutes>(stop - start);
cout << "Total time taken: "
<< duration.count() << "minutes" << endl;
}//main function-----------------------------
//----------------------------------------------------------------------------
void AssignpTbins(double V0pt, double V0eta, double V0phi, double V0id, double V0mass, double pdau_pt, double pdau_eta, double pdau_phi, double ndau_pt, double ndau_eta, double ndau_phi, int idx, int ctbin)
{
h_V0mass_pure->Fill(V0mass);
hV0mass_KS_cent_[ctbin]->Fill(V0mass);
TLorentzVector V0vector;
V0vector.SetPtEtaPhiM(V0pt, V0eta, V0phi, V0mass);
//std::cout<<"eta is = "<<V0vector.Eta()<<std::endl;
TLorentzVector daupvector;
daupvector.SetPtEtaPhiM(pdau_pt, pdau_eta, pdau_phi, 0.139570 );
TLorentzVector daunvector;
daunvector.SetPtEtaPhiM(ndau_pt, ndau_eta, ndau_phi, 0.139570 );
vect_V0id_trg[ctbin][idx].push_back(V0id);
V0_vect_trg[ctbin][idx].push_back(V0vector);
daup_vect_trg[ctbin][idx].push_back(daupvector);
daun_vect_trg[ctbin][idx].push_back(daunvector);
vect_V0id_ass[ctbin][idx].push_back(V0id);
V0_vect_ass[ctbin][idx].push_back(V0vector);
daup_vect_ass[ctbin][idx].push_back(daupvector);
daun_vect_ass[ctbin][idx].push_back(daunvector);
}
//----------------------------------------------------------------------------
void AnalyseEvents(std::vector<double> vzvtx[NBINS_cent],std::vector<int> evtcount[NBINS_cent], std::vector<float> cntbin[NBINS_cent], std::vector<double> evtno[NBINS_cent], std::vector<double> runno[NBINS_cent], std::vector<double> vect_V0id_trg[NBINS_cent][iiev], std::vector<double> vect_V0id_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> V0_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> daup_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> daun_vect_trg[NBINS_cent][iiev], std:: vector<TLorentzVector> V0_vect_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> daup_vect_ass[NBINS_cent][iiev], std:: vector<TLorentzVector> daun_vect_ass[NBINS_cent][iiev])
{
for(unsigned int ic = 0; ic < NBINS_cent; ic++)
{
//std::cout<< "Total of " << vzvtx[ic].size() << " events are selected in"<<" " << ic <<" "<<"centbin"<< std::endl;
//std::cout<< "Total of " << evtcount[ic].size() << " events are selected in"<<" " << ic <<" "<<"centbin"<< std::endl;
//std::cout<< "Started running correlation analysis in"<<" "<< ic << "th centbin" <<std::endl;
for(unsigned int iev = 0; iev < evtcount[ic].size(); iev++)
{
unsigned int ntrgsize_i = V0_vect_trg[ic][evtcount[ic][iev]].size();
unsigned int nasssize_i = V0_vect_ass[ic][evtcount[ic][iev]].size();
if (ntrgsize_i != nasssize_i)
{
std::cout<< "ntrgsize_i and nasssize_i are not same" << std::endl;
continue;
}
if (ntrgsize_i < 2 || nasssize_i < 2) continue;
hzvtx->Fill(vzvtx[ic][iev]);
hcentbin->Fill(cntbin[ic][iev]);
hcent_dist[ic]->Fill(cntbin[ic][iev]);
SignalTwoPartCorr(evtcount[ic][iev], ic, cntbin[ic][iev]);
//TwoPartCorr(evtcount[ic][iev], ic);
unsigned int mixstart = iev +1;
unsigned int mixend = evtcount[ic].size();
/*if (iev < (unsigned int)(evtcount[ic].size()*0.6))
{
mixstart = iev+1;
mixend = evtcount[ic].size();
}
else if (iev >= (unsigned int)(evtcount[ic].size()*0.6))
{
mixstart = 0;
mixend = (unsigned int)(evtcount[ic].size());
}
*/
Int_t nmix=0;
for( unsigned int jev = mixstart; jev < mixend; jev++ )
{
if(iev == jev) continue;
if(evtcount[ic][iev] == evtcount[ic][jev]) continue;
double deltazvtx = vzvtx[ic][iev]-vzvtx[ic][jev];
if(fabs(deltazvtx) >= 2.0) continue;
if ((evtno[ic][iev] == evtno[ic][jev]) && (runno[ic][iev] == runno[ic][jev])) continue;
int cntbin_i = GetCent(cntbin[ic][iev]);
int cntbin_j = GetCent(cntbin[ic][jev]);
if(cntbin_i != cntbin_j) continue;
unsigned int ntrgsize_j = V0_vect_trg[ic][evtcount[ic][iev]].size();
unsigned int nasssize_j = V0_vect_ass[ic][evtcount[ic][jev]].size();
if (ntrgsize_j ==0 || nasssize_j ==0 ) continue;
//if( nasssize_j <= 1 && ntrgsize_j <= 1) continue;
nmix++;
if (nmix >= bkgFactor) break;
MixedTwoPartCorr( evtcount[ic][iev], evtcount[ic][jev], ic, cntbin[ic][iev]);
}
//std::cout<<"nmix for the "<<iev<<" th event is: "<<nmix<<std::endl;
}
//std::cout<< "Finished running correlation analysis in"<<" "<< ic << "th centbin" <<std::endl;