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bkgEWCalculator.cc
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#include<memory>
#include<iostream>
#include<vector>
#include<sstream>
#include<map>
#include "TString.h"
#include "TChain.h"
#include "TTree.h"
#include "TFile.h"
#include "TGraph.h"
#include "TGraphAsymmErrors.h"
#include "BayesianErrors.cc"
int getBinIndex(float var, std::vector<double> vBins){
for(unsigned int ibin=0; ibin<vBins.size(); ++ibin){
if(var>vBins[ibin]&&var<vBins[ibin+1]) return ibin;
}
return -1;
}
void calculateBkg(std::map<std::string,int>& m_nFid, std::map<std::string,int>& m_nGen, int ipt, int ieta, int icent, std::string beamType, std::string charge,
float sigma, float Lint, float& nBkg, float& nBkgErrUpp, float& nBkgErrLow){
bool isPlus = false;
bool isMinus = false;
if(strcmp(charge.c_str(),"+")==0) isPlus=true;
else if(strcmp(charge.c_str(),"-")==0) isMinus=true;
std::stringstream binFid,binGen;
if(isPlus) {
binGen << "muPlus_" << beamType;
binFid << "muPlus_" << beamType << "_pt" << ipt << "_eta" << ieta << "_cent" << icent;
}
else if(isMinus) {
binGen << "muMinus_" << beamType ;
binFid << "muMinus_" << beamType << "_pt" << ipt << "_eta" << ieta << "_cent" << icent;
}
double eff=0.0;
double eff_err_low=0.0,eff_err_upp=0.0;
Efficiency(m_nFid[binFid.str()],m_nGen[binGen.str()],0.683,eff,eff_err_low,eff_err_upp);
//const float Lint = 27.8;
const float A = 208.0;
float scale = sigma*Lint*A;
// fraction of all generated muons passing signal selection
nBkg = eff*scale;
nBkgErrLow = nBkg-scale*eff_err_low;
nBkgErrUpp = scale*eff_err_upp-nBkg;
}
void calculateGen(TString sFile1,TString sFile2, int thisMother, std::string beamType, std::string charge, std::map<std::string,int>& m_nGen){
bool isPlus = false;
bool isMinus = false;
if(strcmp(charge.c_str(),"+")==0) isPlus=true;
else if(strcmp(charge.c_str(),"-")==0) isMinus=true;
std::unique_ptr<TChain> _tGen(new TChain("treeGen","treeGen"));
_tGen->Add(sFile1);
_tGen->Add(sFile2);
std::cout << "Number of entries in generator tree: " << _tGen->GetEntries() << std::endl;
float genPt, genEta, genCentrality, genCharge;
float fcalGen;
int genPDG,genMother;
bool isGenPeriodA, isGenPeriodB;
_tGen->SetBranchAddress("muon_gen_pt",&genPt);
_tGen->SetBranchAddress("muon_gen_eta",&genEta);
_tGen->SetBranchAddress("centrality",&genCentrality);
//_tGen->SetBranchAddress("neutrino_gen_pt",&genNeutrinoPt);
//_tGen->SetBranchAddress("mt_gen_neutrino_muon",&genMt);
_tGen->SetBranchAddress("muon_gen_charge",&genCharge);
_tGen->SetBranchAddress("muon_pdg",&genPDG);
//_tGen->SetBranchAddress("neutrino_pdg",&genNeutrinoPDG);
_tGen->SetBranchAddress("muon_mother",&genMother);
_tGen->SetBranchAddress("isPeriodA",&isGenPeriodA);
_tGen->SetBranchAddress("isPeriodB",&isGenPeriodB);
_tGen->SetBranchAddress("fcal",&fcalGen);
// Total number of generated events
// over all space
for(int igen=0; igen<_tGen->GetEntries(); ++igen){
_tGen->GetEntry(igen);
if(fabs(genPDG) == 13 && fabs(genMother) == thisMother){
std::stringstream bin;
if(genCharge>0.0&&isPlus==true){
bin << "muPlus_" << beamType ;
++m_nGen[bin.str()];
}
else if (genCharge<0.0&&isMinus==true){
bin << "muMinus_" << beamType ;
++m_nGen[bin.str()];
}
}
}//generator
}
void calculateFid(TString sFile1,TString sFile2, int thisMother, std::string beamType, std::string charge, std::map<std::string,int>& m_nFid,
std::vector<double> vPt, std::vector<double> vEta, std::vector<double> vCent){
bool isPlus = false;
bool isMinus = false;
if(strcmp(charge.c_str(),"+")==0) isPlus=true;
else if(strcmp(charge.c_str(),"-")==0) isMinus=true;
const float ptLow=vPt[0], ptUpp=vPt[vPt.size()-1];
const float etaLow=vEta[0], etaUpp=vEta[vEta.size()-1];
const float centLow=vCent[0], centUpp=vCent[vCent.size()-1];
std::unique_ptr<TChain> _tRec(new TChain("treeW","treeW"));
_tRec->Add(sFile1);
_tRec->Add(sFile2);
std::cout << "Number of entries in reconstructed tree: " << _tRec->GetEntries() << std::endl;
float recPt, recEta, recCentrality, recMET, recMt, recCharge,recPtcone30;
int recPDG, recMother, recMatched;
float fcalRec;
bool isRecPeriodA, isRecPeriodB;
bool isZCandidate, EF_mu8_matched;
_tRec->SetBranchAddress("pt",&recPt);
_tRec->SetBranchAddress("eta",&recEta);
_tRec->SetBranchAddress("centrality",&recCentrality);
_tRec->SetBranchAddress("met",&recMET);
_tRec->SetBranchAddress("mt",&recMt);
_tRec->SetBranchAddress("charge",&recCharge);
_tRec->SetBranchAddress("rec_truth_pdg",&recPDG);
_tRec->SetBranchAddress("rec_truth_mother_pdg",&recMother);
_tRec->SetBranchAddress("ptcone30",&recPtcone30);
_tRec->SetBranchAddress("rec_truth_matched",&recMatched);
_tRec->SetBranchAddress("rec_truth_mother_pdg",&recMother);
_tRec->SetBranchAddress("rec_truth_pdg",&recPDG);
_tRec->SetBranchAddress("isPeriodA",&isRecPeriodA);
_tRec->SetBranchAddress("isPeriodB",&isRecPeriodB);
_tRec->SetBranchAddress("isZCandidateType1",&isZCandidate);
_tRec->SetBranchAddress("EF_mu8_matched",&EF_mu8_matched);
_tRec->SetBranchAddress("fcal",&fcalRec);
const float metCut = 25.0;
const float mtCut = 40.0;
// Background in signal space
for(int irec=0; irec<_tRec->GetEntries(); ++irec){
_tRec->GetEntry(irec);
float isoRatio = recPtcone30/recPt;
if(
recPt>ptLow && recPt<ptUpp
&& recEta>etaLow && recEta<etaUpp
&& recCentrality>centLow && recCentrality<centUpp
&& isoRatio <= 0.2
&& recMET > metCut
&& recMt > mtCut
&& recMatched==1
&& isZCandidate == false
&& EF_mu8_matched == 1
&& ( (recCharge>0.0&&isPlus==true) || (recCharge<0.0&&isMinus==true) )
) {
int ipt = getBinIndex(recPt,vPt);
int ieta = getBinIndex(recEta,vEta);
int icent = getBinIndex(recCentrality,vCent);
if(ipt<0 || ieta<0 || icent<0){
std::cout << "ERROR: Cannot locate bin to which this muon belongs. Expect wrong results." << std::endl;
return;
}
std::stringstream bin;
if(recCharge>0.0){
bin << "muPlus_" << beamType << "_pt" << ipt << "_eta" << ieta << "_cent" << icent;
++m_nFid[bin.str()];
}
else if(recCharge<0.0) {
bin << "muMinus_" << beamType << "_pt" << ipt << "_eta" << ieta << "_cent" << icent;
++m_nFid[bin.str()];
}
}
}//reco
}
int main(){
std::unique_ptr<TFile> _fOut(new TFile("bkgEW.root","recreate"));
std::vector<double> vPt;
vPt.push_back(25.0);
vPt.push_back(400.0);
const int nPtBins = vPt.size()-1;
std::vector<double> vEta;
vEta.push_back(-2.5);
vEta.push_back(-2.1);
vEta.push_back(-1.55);
vEta.push_back(-1.05);
vEta.push_back(-0.6);
vEta.push_back(-0.1);
vEta.push_back(0.1);
vEta.push_back(0.6);
vEta.push_back(1.05);
vEta.push_back(1.55);
vEta.push_back(2.1);
vEta.push_back(+2.5);
const int nEtaBins = vEta.size()-1;
std::vector<double> vCent;
vCent.push_back(0.00);
vCent.push_back(0.05);
vCent.push_back(0.10);
vCent.push_back(0.20);
vCent.push_back(0.30); // added to match Z
vCent.push_back(0.40);
vCent.push_back(0.60); // added to match Z
vCent.push_back(0.90);
const int nCentralityBins = vCent.size()-1;
TString sBase = "/usatlas/u/tbales/scratch/Data2013Hip/";
std::map<std::string,int> m_nFid;
std::map<std::string,int> m_nGen;
m_nGen.insert(std::make_pair("muPlus_Z_pp",0));
m_nGen.insert(std::make_pair("muPlus_Z_pn",0));
m_nGen.insert(std::make_pair("muMinus_Z_pp",0));
m_nGen.insert(std::make_pair("muMinus_Z_pn",0));
m_nGen.insert(std::make_pair("muPlus_tau_pp",0));
m_nGen.insert(std::make_pair("muPlus_tau_pn",0));
m_nGen.insert(std::make_pair("muMinus_tau_pp",0));
m_nGen.insert(std::make_pair("muMinus_tau_pn",0));
std::map<std::string,TGraphAsymmErrors*> m_gr;
for(int ipt=0; ipt<nPtBins; ++ipt){
for(int icent=0; icent<nCentralityBins; ++icent){
std::stringstream grName;
grName << "grA_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grA_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grA_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grA_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grB_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grB_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grB_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
grName << "grB_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr.insert(std::make_pair(grName.str(),new TGraphAsymmErrors(nEtaBins)));
grName.str(std::string());
for(int ieta=0; ieta<nEtaBins; ++ieta){
std::stringstream bin;
// Z-->mumu
bin << "muPlus_Z_pp_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muPlus_Z_pn_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muMinus_Z_pp_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muMinus_Z_pn_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
// W-->tau
bin.str(std::string());
bin << "muPlus_tau_pp_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muPlus_tau_pn_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muMinus_tau_pp_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
bin.str(std::string());
bin << "muMinus_tau_pn_" << "pt" << ipt << "_eta" << ieta << "_cent" << icent;
m_nFid.insert(std::make_pair(bin.str(),0));
}//ieta
}//icent
}//ipt
// Z-->mumu
// mu^{+}
calculateFid(sBase+"ntupleZ_pp.A.09.29.2014.root",sBase+"ntupleZ_pp.B.09.29.2014.root",23,"Z_pp","+", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleZ_pp.A.09.29.2014.root",sBase+"ntupleZ_pp.B.09.29.2014.root",23,"Z_pp","+", m_nGen);
calculateFid(sBase+"ntupleZ_pn.A.09.29.2014.root",sBase+"ntupleZ_pn.B.09.29.2014.root",23,"Z_pn","+", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleZ_pn.A.09.29.2014.root",sBase+"ntupleZ_pn.B.09.29.2014.root",23,"Z_pn","+", m_nGen);
// mu^{-}
calculateFid(sBase+"ntupleZ_pp.A.09.29.2014.root",sBase+"ntupleZ_pp.B.09.29.2014.root",23,"Z_pp","-", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleZ_pp.A.09.29.2014.root",sBase+"ntupleZ_pp.B.09.29.2014.root",23,"Z_pp","-", m_nGen);
calculateFid(sBase+"ntupleZ_pn.A.09.29.2014.root",sBase+"ntupleZ_pn.B.09.29.2014.root",23,"Z_pn","-", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleZ_pn.A.09.29.2014.root",sBase+"ntupleZ_pn.B.09.29.2014.root",23,"Z_pn","-", m_nGen);
// W-->tau
// mu^{+}
calculateFid(sBase+"ntupleWtauplusmunu_pp.A.09.29.2014.root",sBase+"ntupleWtauplusmunu_pp.B.09.29.2014.root",15,"tau_pp","+", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleWtauplusmunu_pp.A.09.29.2014.root",sBase+"ntupleWtauplusmunu_pp.B.09.29.2014.root",15,"tau_pp","+", m_nGen);
calculateFid(sBase+"ntupleWtauplusmunu_pn.A.09.29.2014.root",sBase+"ntupleWtauplusmunu_pn.B.09.29.2014.root",15,"tau_pn","+", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleWtauplusmunu_pn.A.09.29.2014.root",sBase+"ntupleWtauplusmunu_pn.B.09.29.2014.root",15,"tau_pn","+", m_nGen);
// mu^{-}
calculateFid(sBase+"ntupleWtauminmunu_pp.A.09.29.2014.root",sBase+"ntupleWtauminmunu_pp.B.09.29.2014.root",15,"tau_pp","-", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleWtauminmunu_pp.A.09.29.2014.root",sBase+"ntupleWtauminmunu_pp.B.09.29.2014.root",15,"tau_pp","-", m_nGen);
calculateFid(sBase+"ntupleWtauminmunu_pn.A.09.29.2014.root",sBase+"ntupleWtauminmunu_pn.B.09.29.2014.root",15,"tau_pn","-", m_nFid, vPt, vEta, vCent);
calculateGen(sBase+"ntupleWtauminmunu_pn.A.09.29.2014.root",sBase+"ntupleWtauminmunu_pn.B.09.29.2014.root",15,"tau_pn","-", m_nGen);
for(auto iter=m_nFid.begin(); iter!=m_nFid.end(); ++iter){
std::cout << iter->first << "--> " << iter->second << std::endl;
}
for(auto iter=m_nGen.begin(); iter!=m_nGen.end(); ++iter){
std::cout << iter->first << "--> " << iter->second << std::endl;
}
const double wt_pp = 82.0/208.0;
const double wt_pn = (208.0-82.0)/208.0;
// [nb] (AMI)
const float sigma_Z_pp = 6.4287E-01;
const float sigma_Z_pn = 6.5651E-01;
// tau-->mu B.R.
const float BR = 0.1741;
const float sigma_tau_plus_pp = BR*4.5545E-01*4.1918E+00;
const float sigma_tau_plus_pn = BR*4.6044E-01*3.4616E+00;
const float sigma_tau_minus_pp = BR*4.1654E-01*2.7368E+00;
const float sigma_tau_minus_pn = BR*3.9080E-01*3.4404E+00;
const float LintA=15.3524, LintB=12.4683;
for(int ipt=0; ipt<nPtBins; ++ipt){
for(int icent=0; icent<nCentralityBins; ++icent){
for(int ieta=0; ieta<nEtaBins; ++ieta){
float nBkg_pp=0.0,nBkg_pn=0.0,nBkg=0.0;
float nBkg_pp_err_upp=0.0, nBkg_pp_err_low=0.0, nBkg_pn_err_upp=0.0, nBkg_pn_err_low=0.0, nBkg_err_upp=0.0, nBkg_err_low=0.0;
// Z-->mumu
// Period A
// mu^{+}
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pp","+",sigma_Z_pp,LintA,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pn","+",sigma_Z_pn,LintA,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period A mu^{+} background events from Z in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
std::stringstream grName;
double x = (vEta[ieta]+vEta[ieta+1])/2.0;
double xerr = (vEta[ieta+1]-vEta[ieta])/2.0;
grName << "grA_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// B
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pp","+",sigma_Z_pp,LintB,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pn","+",sigma_Z_pn,LintB,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period B mu^{+} background events from Z in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grB_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// mu^{-}
// A
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pp","-",LintA,sigma_Z_pp,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pn","-",LintA,sigma_Z_pn,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period A mu^{-} background events from Z in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grA_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// B
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pp","-",LintB,sigma_Z_pp,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"Z_pn","-",LintB,sigma_Z_pn,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period B mu^{-} background events from Z in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grB_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// W-->tau
// mu^{+}
// A
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pp","+",sigma_tau_plus_pp,LintA,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pn","+",sigma_tau_plus_pn,LintA,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period A mu^{+} background events from W-->tau in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grA_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// B
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pp","+",sigma_tau_plus_pp,LintB,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pn","+",sigma_tau_plus_pn,LintB,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period B mu^{+} background events from W-->tau in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grB_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// mu^{-}
// A
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pp","-",sigma_tau_minus_pp,LintA,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pn","-",sigma_tau_minus_pn,LintA,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period A mu^{-} background events from W-->tau in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grA_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
// B
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pp","-",sigma_tau_minus_pp,LintB,nBkg_pp,nBkg_pp_err_upp, nBkg_pp_err_low);
calculateBkg(m_nFid,m_nGen,ipt,ieta,icent,"tau_pn","-",sigma_tau_minus_pn,LintB,nBkg_pn,nBkg_pn_err_upp, nBkg_pn_err_low);
nBkg = wt_pp*nBkg_pp + wt_pn*nBkg_pn;
nBkg_err_upp = wt_pp*nBkg_pp_err_upp + wt_pn*nBkg_pn_err_upp;
nBkg_err_low = wt_pp*nBkg_pp_err_low + wt_pn*nBkg_pn_err_low;
std::cout << "Number of Period B mu^{-} background events from W-->tau in pt: " << ipt << " eta: " << ieta << " cent: " << icent << " = "
<< nBkg << " +/- " << nBkg_err_upp << ", " << nBkg_err_low << std::endl;
grName << "grB_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->SetPoint(ieta,x,nBkg);
m_gr[grName.str()]->SetPointError(ieta,xerr,xerr,nBkg_err_low,nBkg_err_upp);
grName.str(std::string());
}//ieta
_fOut->cd();
std::stringstream grName;
grName << "grA_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grA_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grA_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grA_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grB_muPlus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grB_muMinus_Z_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grB_muPlus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
grName << "grB_muMinus_tau_pt" << ipt << "_cent" << icent;
m_gr[grName.str()]->Write( (grName.str()).c_str());
delete m_gr[grName.str()];
grName.str(std::string());
}//icent
}//ipt
}