// matches a jet to the |eta| bin (jet outside acceptance are matched to highest |eta| bin or flagged as 'outside')
int MEM::eta_to_bin( const double& eta, bool mark_acceptance ){
double ae = std::abs(eta);
if (ae < 1.0) {
return 0;
} else if (ae < 2.5) {
return 1;
} else {
if( mark_acceptance )
return -1;
else
return eta_to_bin( 2.49 );
}
}
double muonEff(double pt,double eta,string sys){
bool print=0;
int bin=eta_to_bin(eta);
if(bin<0) cout << "eta: " << eta << endl;
if(bin<0) return 1;
//string name =Form("gEff_DATA_PT_AETA%d",bin);
string name= Form("gEff_nominal_AETA%d",bin);//nominal
if(print) cout << name << endl;
fEffL1L2->cd();
if(fEffL1L2->IsOpen()!=1 || fEffL3->IsOpen()!=1 || fEff->IsOpen()!=1) {
cout << "Efficiency File not open. " << endl;
return 0;
}
TGraph *grL1L2=(TGraph*)fEffL1L2->Get(name.c_str());
TGraph *grL3=(TGraph*)fEffL3->Get(name.c_str());
TGraph *gr=(TGraph*)fEff->Get(name.c_str());
//double emu=grL1L2->Eval(pt)*grL3->Eval(pt);
double emu=gr->Eval(pt)*0.99/0.97;
double RV=-9;
if(sys=="nom") RV=emu;
if(print) cout << "Pt: " << pt << "effmu: " << emu << endl;
delete grL1L2;
delete grL3;
delete gr;
if(RV<0) cout << "return value <0" << endl;
return RV;
}
/////////////////////////////////
// y := observables
// x := gen level quantities
// type := decides the TF
/////////////////////////////////
double MEM::transfer_function(double* y, double* x, const TFType::TFType& type, int& out_of_range, const double& cutoff, const int& debug){
// return value
double w{1.};
// temporary values;
double E, H;
double m1,s1, m2, s2, f, rho, c1, c2;
// parameters
const double* par;
switch( type ){
case TFType::bReco:
// x[0] = parton energy ;
// x[1] = parton eta;
// y[0] = jet energy;
E = x[0];
H = x[1];
par = TF_B_param[ eta_to_bin(H) ];
f = par[10];
m1 = par[0] + par[1]*E;
m2 = par[5] + par[6]*E;
s1 = E*TMath::Sqrt(par[2]*par[2] + par[3]*par[3]/E + par[4]*par[4]/E/E);
s2 = E*TMath::Sqrt(par[7]*par[7] + par[8]*par[8]/E + par[9]*par[9]/E/E);
c1 = Chi2(y[0], m1, s1);
c2 = Chi2(y[0], m2, s2);
if( c1>cutoff && c2>cutoff ) ++out_of_range;
w *= (1./sqrt(2*PI) * (f/s1*TMath::Exp(-0.5*c1) + (1-f)/s2*TMath::Exp(-0.5*c2) ));
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W(" << y[0] << " | E=" << E << ", y=" << H << ", TFType::bReco) = " << w << endl;
#endif
break;
case TFType::qReco:
// x[0] = parton energy ;
// x[1] = parton eta;
// y[0] = jet energy;
E = x[0];
H = x[1];
par = TF_Q_param[ eta_to_bin(H) ];
m1 = par[0] + par[1]*E;
s1 = E*TMath::Sqrt(par[2]*par[2] + par[3]*par[3]/E + par[4]*par[4]/E/E);
c1 = Chi2(y[0], m1, s1);
if( c1>cutoff ) ++out_of_range;
w *= (1./sqrt(2*PI)/s1*TMath::Exp(-0.5*c1));
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W(" << y[0] << " | E=" << E << ", y=" << H << ", TFType::qReco) = " << w << endl;
#endif
break;
case TFType::MET:
// x[0] = sum nu_x ; x[1] = sum nu_y
// y[0] = MET_x ; y[1] = MET_y
par = TF_MET_param;
s1 = par[0];
s2 = par[1];
rho = par[2];
c1 = Chi2Corr(y[0]-x[0], y[1]-x[1], s1, s2, rho);
if( c1/2>cutoff ) ++out_of_range;
w *= 1./(2*PI)/s1/s2/sqrt(1.-rho*rho)*TMath::Exp( -0.5*c1 );
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W(" << y[0] << "-" << x[0] << " , " << y[1] << "-" << x[1] << ", TFType::MET) = " << w << endl;
#endif
break;
case TFType::Recoil:
// Sudakov factor
// x[0] = pT
// y[0] = rhoT if extra_jets==0, else par[2]+1GeV
par = TF_RECOIL_param;
m1 = par[0];
s1 = par[1];
if( y[0] < par[2] )
w *= TMath::Gaus( log(x[0]), m1, s1, 1 );
else
w *= 1.;
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W( log(" << x[0] << "); TFType::Recoil) = " << w << endl;
#endif
break;
case TFType::bLost:
case TFType::qLost:
// x[0] = parton energy ;
// x[1] = parton eta;
// y[0] = jet energy
// par: [0]-> eta acceptance, [1]-> pT cut, [2]-> E max, [3]->acceptance (cos*phi)
if( TMath::Abs(x[1])>TF_ACC_param[0] ){
w *= 1.;
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W(" << x[0] << ", " << x[1] << ", TFType::qLost) = " << w << endl;
#endif
}
else{
// x[0] = parton energy ;
// x[1] = parton eta
// y[0] = 0.
E = x[0];
H = x[1];
par = TF_Q_param[ eta_to_bin(H) ];
double mean_e = (par[0] + par[1]*E);
double sigma_e = E*TMath::Sqrt(par[2]*par[2] + par[3]*par[3]/E + par[4]*par[4]/E/E);
double sign = (TF_ACC_param[1]*TMath::CosH(H) >= mean_e) ? +1. : -1.;
c1 = Chi2( TF_ACC_param[1]*TMath::CosH(H), mean_e, sigma_e);
if( c1>cutoff ) ++out_of_range;
w *= 0.5*(TMath::Erf( sqrt(c1/2.)*sign ) + 1 ) ;
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W(" << TF_ACC_param[1] << " | " << E << ", " << H << ", TFType::qLost) = " << w << endl;
#endif
}
break;
case TFType::Unknown:
w *= 1.;
#ifdef DEBUG_MODE
if( debug&DebugVerbosity::integration)
cout << "\t\ttransfer_function: Evaluate W = 1 " << endl;
#endif
break;
default:
break;
}
return w;
}
double muonEff(double pt,double eta,string sys){
bool print=0;
int bin=eta_to_bin(eta);
if(bin<0) cout << "eta: " << eta << endl;
if(bin<0) return 1;
string name =Form("gEff_MC_PT_AETA%d",bin);
//string name= Form("gEff_nominal_AETA%d",bin);//nominal
string nameP=Form("gEff_totsys_p_AETA%d",bin);
string nameM=Form("gEff_totsys_m_AETA%d",bin);
if(print) cout << name << endl;
fEff->cd();
if(fEff->IsOpen()!=1) {
cout << "Efficiency File not open. " << endl;
return 0;
}
//TEfficiency *eff = (TEfficiency*)fEff->FindObjectAny(Form("totEff_MCTRUTH_PT_AETA%d",bin));
TGraph *gr=(TGraph*)fEff->Get(name.c_str());
//TGraph *grP=(TGraph*)fEff->Get(nameP.c_str());
//TGraph *grM=(TGraph*)fEff->Get(nameM.c_str());
double SF=-9; //data to MC scale factor
double SFp=-9; //SF uncertainty
double SFm=-9;
if(bin!=1){
SF=1.019;
}
if(bin==1){
SF=1.032;
}
//SF=0.99;
//SFp=0.99;
//SFm=0.99;
double emu=gr->Eval(pt)*0.99;
//double emu=eff->GetEfficiency(eff->FindFixBin(pt));
//double emuP=grP->Eval(pt)/SFp; // positive systematic
//double emuM=grM->Eval(pt)/SFm; // negative systematic
double RV=-9;
if(sys=="nom") RV=emu;
//if(sys=="minus") RV=emuM;
//if(sys=="plus") RV=emuP;
if(print) cout << "Pt: " << pt << "effmu: " << emu << endl;
delete gr;
if(RV<0) cout << "return value <0" << endl;
return RV;
}
