PFEnergyCalibration Class Reference

#include <PFEnergyCalibration.h>

Public Member Functions
double	energyEm (const reco::PFCluster &clusterEcal, std::vector< double > &EclustersPS1, std::vector< double > &EclustersPS2, bool crackCorrection=true)
double	energyEm (const reco::PFCluster &clusterEcal, std::vector< double > &EclustersPS1, std::vector< double > &EclustersPS2, double &ps1, double &ps2, bool crackCorrection=true)
void	energyEmHad (double t, double &e, double &h, double eta, double phi) const
void	initializeCalibrationFunctions ()
	PFEnergyCalibration ()
void	setCalibrationFunctions (const PerformancePayloadFromTFormula *thePFCal)
	~PFEnergyCalibration ()

Protected Attributes
TF1 *	faBarrel
TF1 *	faEndcap
TF1 *	faEtaBarrel
TF1 *	faEtaEndcap
TF1 *	fbBarrel
TF1 *	fbEndcap
TF1 *	fbEtaBarrel
TF1 *	fbEtaEndcap
TF1 *	fcBarrel
TF1 *	fcEndcap
const PerformancePayloadFromTFormula *	pfCalibrations

Private Member Functions
double	aBarrel (double x) const
double	aEndcap (double x) const
double	aEtaBarrel (double x) const
double	aEtaEndcap (double x) const
double	Alpha (double eta)
double	bBarrel (double x) const
double	bEndcap (double x) const
double	Beta (double E, double eta)
double	bEtaBarrel (double x) const
double	bEtaEndcap (double x) const
double	cBarrel (double x) const
double	cEndcap (double x) const
double	CorrBarrel (double E, double eta)
double	CorrEta (double eta)
double	CorrPhi (double phi, double eta)
double	dCrackPhi (double phi, double eta)
double	Ecorr (double eEcal, double ePS1, double ePS2, double eta, double phi, bool crackCorrection=true)
double	Ecorr (double eEcal, double ePS1, double ePS2, double eta, double phi, double &, double &, bool crackCorrection=true)
double	EcorrBarrel (double E, double eta, double phi, bool crackCorrection=true)
double	EcorrPS (double eEcal, double ePS1, double ePS2, double etaEcal)
double	EcorrPS (double eEcal, double ePS1, double ePS2, double etaEcal, double &, double &)
double	EcorrPS_ePSNil (double eEcal, double eta)
double	EcorrZoneAfterPS (double E, double eta)
double	EcorrZoneBeforePS (double E, double eta)
double	Gamma (double etaEcal)
double	minimum (double a, double b)

Private Attributes
double	threshE
double	threshH

Friends
std::ostream &	operator<< (std::ostream &out, const PFEnergyCalibration &calib)

Detailed Description

Definition at line 40 of file PFEnergyCalibration.h.

Constructor & Destructor Documentation

PFEnergyCalibration::PFEnergyCalibration

(

)

Definition at line 11 of file PFEnergyCalibration.cc.

References initializeCalibrationFunctions().

                                         : pfCalibrations(0)
{
  initializeCalibrationFunctions();
}

PFEnergyCalibration::~PFEnergyCalibration

(

)

Definition at line 16 of file PFEnergyCalibration.cc.

References faBarrel, faEndcap, faEtaBarrel, faEtaEndcap, fbBarrel, fbEndcap, fbEtaBarrel, fbEtaEndcap, fcBarrel, and fcEndcap.

{

  delete faBarrel;
  delete fbBarrel;
  delete fcBarrel;
  delete faEtaBarrel;
  delete fbEtaBarrel;
  delete faEndcap;
  delete fbEndcap;
  delete fcEndcap;
  delete faEtaEndcap;
  delete fbEtaEndcap;

}

Member Function Documentation

double PFEnergyCalibration::aBarrel ( double  x ) const

private

Definition at line 224 of file PFEnergyCalibration.cc.

References faBarrel, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfa_BARREL, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfa_BARREL,point); 

  } else { 

    return faBarrel->Eval(x); 

  }
}

double PFEnergyCalibration::aEndcap ( double  x ) const

private

Definition at line 304 of file PFEnergyCalibration.cc.

References faEndcap, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfa_ENDCAP, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfa_ENDCAP,point); 

  } else { 

    return faEndcap->Eval(x); 

  }
}

double PFEnergyCalibration::aEtaBarrel ( double  x ) const

private

Definition at line 272 of file PFEnergyCalibration.cc.

References faEtaBarrel, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfaEta_BARREL, and point.

Referenced by energyEmHad().

                                              { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfaEta_BARREL,point); 

  } else { 

    return faEtaBarrel->Eval(x); 

  }
}

double PFEnergyCalibration::aEtaEndcap ( double  x ) const

private

Definition at line 352 of file PFEnergyCalibration.cc.

References faEtaEndcap, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfaEta_ENDCAP, and point.

Referenced by energyEmHad().

                                              { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfaEta_ENDCAP,point); 

  } else { 

    return faEtaEndcap->Eval(x); 

  }
}

double PFEnergyCalibration::Alpha ( double  eta )

private

Definition at line 670 of file PFEnergyCalibration.cc.

References eta(), p1, p2, and query::result.

Referenced by EcorrPS().

                                     {

  //Energy dependency
  static double p0 = 5.97621e-01;

  //Eta dependency
  static double p1 =-1.86407e-01;
  static double p2 = 3.85197e-01; 

  //so that <feta()> = 1
  static double norm = (p1+p2*(2.6+1.656)/2);

  double result = p0*(p1+p2*eta)/norm;

  return result;
}

double PFEnergyCalibration::bBarrel ( double  x ) const

private

Definition at line 240 of file PFEnergyCalibration.cc.

References fbBarrel, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfb_BARREL, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfb_BARREL,point); 

  } else { 

    return fbBarrel->Eval(x); 

  }
}

double PFEnergyCalibration::bEndcap ( double  x ) const

private

Definition at line 320 of file PFEnergyCalibration.cc.

References fbEndcap, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfb_ENDCAP, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfb_ENDCAP,point); 

  } else { 

    return fbEndcap->Eval(x); 

  }
}

double PFEnergyCalibration::Beta ( double  E, double  eta  )

private

Definition at line 688 of file PFEnergyCalibration.cc.

References p1, p2, p3, p4, and query::result.

Referenced by EcorrPS().

                                              {

 //Energy dependency
  static double p0 = 0.032;
  static double p1 = 9.70394e-02;
  static double p2 = 2.23072e+01;
  static double p3 = 100;

  //Eta dependency
  static double p4 = 1.02496e+00 ;
  static double p5 = -4.40176e-03 ;

  //so that <feta()> = 1
  static double norm = (p4+p5*(2.6+1.656)/2);

  double result = (1.0012+p0*TMath::Exp(-E/p3)+p1*TMath::Exp(-E/p2))*(p4+p5*eta)/norm;            
  return result;
}

double PFEnergyCalibration::bEtaBarrel ( double  x ) const

private

Definition at line 288 of file PFEnergyCalibration.cc.

References fbEtaBarrel, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfbEta_BARREL, and point.

Referenced by energyEmHad().

                                              { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfbEta_BARREL,point); 

  } else { 

    return fbEtaBarrel->Eval(x); 

  }
}

double PFEnergyCalibration::bEtaEndcap ( double  x ) const

private

Definition at line 368 of file PFEnergyCalibration.cc.

References fbEtaEndcap, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfbEta_ENDCAP, and point.

Referenced by energyEmHad().

                                              { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfbEta_ENDCAP,point); 

  } else { 

    return fbEtaEndcap->Eval(x); 

  }
}

double PFEnergyCalibration::cBarrel ( double  x ) const

private

Definition at line 256 of file PFEnergyCalibration.cc.

References fcBarrel, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfc_BARREL, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfc_BARREL,point); 

  } else { 

    return fcBarrel->Eval(x); 

  }
}

double PFEnergyCalibration::cEndcap ( double  x ) const

private

Definition at line 336 of file PFEnergyCalibration.cc.

References fcEndcap, PerformancePayloadFromTFormula::getResult(), BinningPointByMap::insert(), BinningVariables::JetEt, pfCalibrations, PerformanceResult::PFfc_ENDCAP, and point.

Referenced by energyEmHad().

                                           { 

  if ( pfCalibrations ) { 

    BinningPointByMap point;
    point.insert(BinningVariables::JetEt, x);
    return pfCalibrations->getResult(PerformanceResult::PFfc_ENDCAP,point); 

  } else { 

    return fcEndcap->Eval(x); 

  }
}

double PFEnergyCalibration::CorrBarrel ( double  E, double  eta  )

private

Definition at line 624 of file PFEnergyCalibration.cc.

References p1, p2, p3, p4, and query::result.

Referenced by EcorrBarrel().

                                                    {

  //Energy dependency
  /*
  //YM Parameters 52XX:
  static double p0=1.00000e+00;
  static double p1=3.27753e+01;
  static double p2=2.28552e-02;
  static double p3=3.06139e+00;
  static double p4=2.25135e-01;
  static double p5=1.47824e+00;
  static double p6=1.09e-02;
  static double p7=4.19343e+01;
  */
  static double p0 = 0.9944;
  static double p1 = 9.827;
  static double p2 = 1.503;
  static double p3 = 1.196;
  static double p4 = 0.3349;
  static double p5 = 0.89;
  static double p6 = 0.004361;
  static double p7 = 51.51;
  //Eta dependency
  static double p8=2.705593e-03;
  
  double result = (p0+1/(p1+p2*TMath::Power(E,p3))+p4*TMath::Exp(-E/p5)+p6*TMath::Exp(-E*E/(p7*p7)))*(1+p8*eta*eta);

  return result;
}

double PFEnergyCalibration::CorrEta ( double  eta )

private

Definition at line 597 of file PFEnergyCalibration.cc.

References a, alignCSCRings::e, i, m, query::result, and alignCSCRings::s.

Referenced by EcorrBarrel().

                                      {
  
  // we use a gaussian with a screwness for each of the 5 |eta|-cracks
  static std::vector<double> a;  //amplitude
  static std::vector<double> m;  //mean
  static std::vector<double> s;  //sigma
  static std::vector<double> sa; // screwness amplitude
  static std::vector<double> ss; // screwness sigma

  if(a.size()==0)
    {
      a.push_back(6.13349e-01) ;a.push_back(5.08146e-01)  ;a.push_back(4.44480e-01) ;a.push_back(3.3487e-01)   ;a.push_back(7.65627e-01) ;
      m.push_back(-1.79514e-02);m.push_back(4.44747e-01)  ;m.push_back(7.92824e-01) ;m.push_back(1.14090e+00)  ;m.push_back(1.47464e+00) ;
      s.push_back(7.92382e-03) ;s.push_back(3.06028e-03)  ;s.push_back(3.36139e-03) ;s.push_back(3.94521e-03)  ;s.push_back(8.63950e-04) ;
      sa.push_back(1.27228e+01);sa.push_back(3.81517e-02) ;sa.push_back(1.63507e-01);sa.push_back(-6.56480e-02);sa.push_back(1.87160e-01);
      ss.push_back(5.48753e-02);ss.push_back(-1.00223e-02);ss.push_back(2.22866e-03);ss.push_back(4.26288e-04) ;ss.push_back(2.67937e-03);
    }
 double result = 1;

 for(unsigned i=0;i<=4;i++) result+=a[i]*TMath::Gaus(eta,m[i],s[i])*(1+sa[i]*TMath::Sign(1.,eta-m[i])*TMath::Exp(-TMath::Abs(eta-m[i])/ss[i]));

  return result;
}

double PFEnergyCalibration::CorrPhi ( double  phi, double  eta  )

private

Definition at line 571 of file PFEnergyCalibration.cc.

References dCrackPhi(), p1, p2, p3, p4, and query::result.

Referenced by EcorrBarrel().

                                                   {

  // we use 3 gaussians to correct the phi-cracks effect
  static double p1=   5.59379e-01;
  static double p2=   -1.26607e-03;
  static double p3=  9.61133e-04;

  static double p4=   1.81691e-01;
  static double p5=   -4.97535e-03;
  static double p6=   1.31006e-03;

  static double p7=   1.38498e-01;
  static double p8=   1.18599e-04;
  static double p9= 2.01858e-03;
  

  double dminphi = dCrackPhi(phi,eta);
  
  double result = (1+p1*TMath::Gaus(dminphi,p2,p3)+p4*TMath::Gaus(dminphi,p5,p6)+p7*TMath::Gaus(dminphi,p8,p9));

  return result;
}   

double PFEnergyCalibration::dCrackPhi ( double  phi, double  eta  )

private

Definition at line 519 of file PFEnergyCalibration.cc.

References gather_cfg::cout, i, m, M_PI, minimum(), and pi.

Referenced by CorrPhi().

                                                    {

  static double pi= M_PI;// 3.14159265358979323846;
  
  //Location of the 18 phi-cracks
  static std::vector<double> cPhi;
  if(cPhi.size()==0)
    {
      cPhi.resize(18,0);
      cPhi[0]=2.97025;
      for(unsigned i=1;i<=17;++i) cPhi[i]=cPhi[0]-2*i*pi/18;
    }

  //Shift of this location if eta<0
  static double delta_cPhi=0.00638;

  double m; //the result

  //the location is shifted
  if(eta<0) phi +=delta_cPhi;

  if (phi>=-pi && phi<=pi){

    //the problem of the extrema
    if (phi<cPhi[17] || phi>=cPhi[0]){
      if (phi<0) phi+= 2*pi;
      m = minimum(phi -cPhi[0],phi-cPhi[17]-2*pi);          
    }

    //between these extrema...
    else{
      bool OK = false;
      unsigned i=16;
      while(!OK){
    if (phi<cPhi[i]){
      m=minimum(phi-cPhi[i+1],phi-cPhi[i]);
      OK=true;
    }
    else i-=1;
      }
    }
  }
  else{
    m=0.;        //if there is a problem, we assum that we are in a crack
    std::cout<<"Problem in dminphi"<<std::endl;
  }
  if(eta<0) m=-m;   //because of the disymetry
  return m;
}

double PFEnergyCalibration::Ecorr ( double  eEcal, double  ePS1, double  ePS2, double  eta, double  phi, bool  crackCorrection = true  )

private

Definition at line 880 of file PFEnergyCalibration.cc.

References EcorrBarrel(), EcorrPS(), EcorrPS_ePSNil(), EcorrZoneAfterPS(), EcorrZoneBeforePS(), and query::result.

Referenced by energyEm().

                                      {

  static double endBarrel=1.48;
  static double beginingPS=1.65;
  static double endPS=2.6;
  static double endEndCap=2.98;
 
  double result=0;

  eta=TMath::Abs(eta);

  if(eEcal>0){
    if(eta <= endBarrel)                         result = EcorrBarrel(eEcal,eta,phi,crackCorrection);
    else if(eta <= beginingPS)                   result = EcorrZoneBeforePS(eEcal,eta);
    else if((eta < endPS) && ePS1==0 && ePS2==0) result = EcorrPS_ePSNil(eEcal,eta);
    else if(eta < endPS)                         result = EcorrPS(eEcal,ePS1,ePS2,eta);
    else if(eta < endEndCap)                     result = EcorrZoneAfterPS(eEcal,eta); 
    else result =eEcal;
  }
  else result = eEcal;// useful if eEcal=0 or eta>2.98
  //protection
  if(result<eEcal) result=eEcal;
  return result;
}

double PFEnergyCalibration::Ecorr ( double  eEcal, double  ePS1, double  ePS2, double  eta, double  phi, double &  ps1, double &  ps2, bool  crackCorrection = true  )

private

Definition at line 910 of file PFEnergyCalibration.cc.

References EcorrBarrel(), EcorrPS(), EcorrPS_ePSNil(), EcorrZoneAfterPS(), EcorrZoneBeforePS(), and query::result.

                                                                                                                                  {

  static double endBarrel=1.48;
  static double beginingPS=1.65;
  static double endPS=2.6;
  static double endEndCap=2.98;
 
  double result=0;

  eta=TMath::Abs(eta);

  if(eEcal>0){
    if(eta <= endBarrel)                         result = EcorrBarrel(eEcal,eta,phi,crackCorrection);
    else if(eta <= beginingPS)                   result = EcorrZoneBeforePS(eEcal,eta);
    else if((eta < endPS) && ePS1==0 && ePS2==0) result = EcorrPS_ePSNil(eEcal,eta);
    else if(eta < endPS)                         result = EcorrPS(eEcal,ePS1,ePS2,eta,ps1,ps2);
    else if(eta < endEndCap)                     result = EcorrZoneAfterPS(eEcal,eta); 
    else result =eEcal;
  }
  else result = eEcal;// useful if eEcal=0 or eta>2.98
  // protection
  if(result<eEcal) result=eEcal;
  return result;
}

double PFEnergyCalibration::EcorrBarrel ( double  E, double  eta, double  phi, bool  crackCorrection = true  )

private

Definition at line 738 of file PFEnergyCalibration.cc.

References CorrBarrel(), CorrEta(), CorrPhi(), max(), and query::result.

Referenced by Ecorr().

                                       {

  // double result = E*CorrBarrel(E,eta)*CorrEta(eta)*CorrPhi(phi,eta);
  double correction = crackCorrection ? std::max(CorrEta(eta),CorrPhi(phi,eta)) : 1.;
  double result = E * CorrBarrel(E,eta) * correction;

  return result;
}

double PFEnergyCalibration::EcorrPS ( double  eEcal, double  ePS1, double  ePS2, double  etaEcal  )

private

Definition at line 777 of file PFEnergyCalibration.cc.

References Alpha(), Beta(), alignCSCRings::e, Gamma(), p1, p2, p3, p4, and query::result.

Referenced by Ecorr().

                                                                                {

  // gives the good weights to each subdetector
  double E = Beta(1.0155*eEcal+0.025*(ePS1+0.5976*ePS2)/9e-5,etaEcal)*eEcal+Gamma(etaEcal)*(ePS1+Alpha(etaEcal)*ePS2)/9e-5 ;

  //Correction of the residual energy dependency
  static double p0 = 1.00;
  static double p1 = 2.18;
  static double p2 =1.94;
  static double p3 =4.13;
  static double p4 =1.127;

  double result = E*(p0+p1*TMath::Exp(-E/p2)-p3*TMath::Exp(-E/p4));

  return result;
} 

double PFEnergyCalibration::EcorrPS ( double  eEcal, double  ePS1, double  ePS2, double  etaEcal, double &  outputPS1, double &  outputPS2  )

private

Definition at line 797 of file PFEnergyCalibration.cc.

References Alpha(), Beta(), alignCSCRings::e, Gamma(), p1, p2, p3, p4, and query::result.

                                                                                                                       {

  // gives the good weights to each subdetector
  double gammaprime=Gamma(etaEcal)/9e-5;
  outputPS1=gammaprime*ePS1;
  outputPS2=gammaprime*Alpha(etaEcal)*ePS2;
  double E = Beta(1.0155*eEcal+0.025*(ePS1+0.5976*ePS2)/9e-5,etaEcal)*eEcal+outputPS1+outputPS2;

  //Correction of the residual energy dependency
  static double p0 = 1.00;
  static double p1 = 2.18;
  static double p2 =1.94;
  static double p3 =4.13;
  static double p4 =1.127;
  
  double corrfac=(p0+p1*TMath::Exp(-E/p2)-p3*TMath::Exp(-E/p4));
  outputPS1*=corrfac;
  outputPS2*=corrfac;
  double result = E*corrfac;

  return result;
} 

double PFEnergyCalibration::EcorrPS_ePSNil ( double  eEcal, double  eta  )

private

Definition at line 824 of file PFEnergyCalibration.cc.

References p1, p2, p3, p4, and query::result.

Referenced by Ecorr().

                                                          {

  //Energy dependency
  static double p0= 1.02;
  static double p1= 0.165;
  static double p2= 6.5 ;
  static double p3=  2.1 ;

  //Eta dependency
  static double p4 = 1.02496e+00 ;
  static double p5 = -4.40176e-03 ;

  //so that <feta()> = 1
  static double norm = (p4+p5*(2.6+1.656)/2);

  double result = eEcal*(p0+p1*TMath::Exp(-TMath::Abs(eEcal-p3)/p2))*(p4+p5*eta)/norm;
          
  return result;
}

double PFEnergyCalibration::EcorrZoneAfterPS ( double  E, double  eta  )

private

Definition at line 847 of file PFEnergyCalibration.cc.

References p1, p2, p3, p4, and query::result.

Referenced by Ecorr().

                                                         {

  //Energy dependency
  static double p0 =1; 
  static double p1 = 0.058;
  static double p2 =12.5;
  static double p3 =-1.05444e+00;
  static double p4 =-5.39557e+00;
  static double p5 =8.38444e+00;
  static double p6 = 6.10998e-01  ;

  //Eta dependency
  static double p7 =1.06161e+00;
  static double p8 = 0.41;
  static double p9 =2.918;
  static double p10 =0.0181;
  static double p11= 2.05;
  static double p12 =2.99;
  static double p13=0.0287;

  //so that <feta()> = 1
  static double norm=1.045;

  double result = E*(p0+p1*TMath::Exp(-(E-p3)/p2)+1/(p4+p5*TMath::Power(E,p6)))*(p7+p8*TMath::Gaus(eta,p9,p10)+p11*TMath::Gaus(eta,p12,p13))/norm;
  return result;
}

double PFEnergyCalibration::EcorrZoneBeforePS ( double  E, double  eta  )

private

Definition at line 751 of file PFEnergyCalibration.cc.

References eta(), p1, p2, p3, p4, and query::result.

Referenced by Ecorr().

                                                          {

 //Energy dependency
  static double p0 =1; 
  static double p1 =0.18;
  static double p2 =8.;

  //Eta dependency
  static double p3 =0.3;
  static double p4 =1.11;
  static double p5 =0.025;
  static double p6 =1.49;
  static double p7 =0.6;

  //so that <feta()> = 1
  static double norm = 1.21;

  double result = E*(p0+p1*TMath::Exp(-E/p2))*(p3+p4*TMath::Gaus(eta,p6,p5)+p7*eta)/norm;

  return result;
}

double PFEnergyCalibration::energyEm	(	const reco::PFCluster &	clusterEcal,
		std::vector< double > &	EclustersPS1,
		std::vector< double > &	EclustersPS2,
		bool	crackCorrection = true
	)

Definition at line 385 of file PFEnergyCalibration.cc.

References reco::PFCluster::calculatePositionREP(), gather_cfg::cout, Ecorr(), reco::PFCluster::energy(), eta(), i, phi, and reco::PFCluster::positionREP().

Referenced by ConvBremPFTrackFinder::runConvBremFinder().

                                        {
  double eEcal = clusterEcal.energy();
  //temporaty ugly fix
  reco::PFCluster myPFCluster=clusterEcal;
  myPFCluster.calculatePositionREP();
  double eta = myPFCluster.positionREP().eta();
  double phi = myPFCluster.positionREP().phi();

  double ePS1 = 0;
  double ePS2 = 0;

  for(unsigned i=0;i<EclustersPS1.size();i++) ePS1 += EclustersPS1[i];
  for(unsigned i=0;i<EclustersPS2.size();i++) ePS2 += EclustersPS2[i];

  double calibrated = Ecorr(eEcal,ePS1,ePS2,eta,phi, crackCorrection);
  if(eEcal!=0 && calibrated==0) std::cout<<"Eecal = "<<eEcal<<"  eta = "<<eta<<"  phi = "<<phi<<std::endl; 
  return calibrated; 
}

double PFEnergyCalibration::energyEm	(	const reco::PFCluster &	clusterEcal,
		std::vector< double > &	EclustersPS1,
		std::vector< double > &	EclustersPS2,
		double &	ps1,
		double &	ps2,
		bool	crackCorrection = true
	)

Definition at line 407 of file PFEnergyCalibration.cc.

References reco::PFCluster::calculatePositionREP(), gather_cfg::cout, Ecorr(), reco::PFCluster::energy(), eta(), i, phi, and reco::PFCluster::positionREP().

                                          {
  double eEcal = clusterEcal.energy();
  //temporaty ugly fix
  reco::PFCluster myPFCluster=clusterEcal;
  myPFCluster.calculatePositionREP();
  double eta = myPFCluster.positionREP().eta();
  double phi = myPFCluster.positionREP().phi();

  double ePS1 = 0;
  double ePS2 = 0;

  for(unsigned i=0;i<EclustersPS1.size();i++) ePS1 += EclustersPS1[i];
  for(unsigned i=0;i<EclustersPS2.size();i++) ePS2 += EclustersPS2[i];

  double calibrated = Ecorr(eEcal,ePS1,ePS2,eta,phi,ps1,ps2,crackCorrection);
  if(eEcal!=0 && calibrated==0) std::cout<<"Eecal = "<<eEcal<<"  eta = "<<eta<<"  phi = "<<phi<<std::endl; 
  return calibrated; 
}

void PFEnergyCalibration::energyEmHad	(	double	t,
		double &	e,
		double &	h,
		double	eta,
		double	phi
	)		const

Definition at line 107 of file PFEnergyCalibration.cc.

References a, aBarrel(), aEndcap(), aEtaBarrel(), aEtaEndcap(), b, bBarrel(), bEndcap(), bEtaBarrel(), bEtaEndcap(), cBarrel(), cEndcap(), alignCSCRings::e, h, max(), min, lumiQTWidget::t, GOODCOLL_filter_cfg::thresh, threshE, threshH, and groupFilesInBlocks::tt.

                                                                                            { 
 
  
  // Use calorimetric energy as true energy for neutral particles
  double tt = t;
  double ee = e;
  double hh = h;
  double a = 1.;
  double b = 1.;
  double etaCorrE = 1.;
  double etaCorrH = 1.;
  t = min(999.9,max(tt,e+h));
  if ( t < 1. ) return;

  // Barrel calibration
  if ( fabs(eta) < 1.48 ) { 

    // The energy correction
    a = e>0. ? aBarrel(t) : 1.;
    b = e>0. ? bBarrel(t) : cBarrel(t);
    double thresh = e > 0. ? threshE : threshH;

    // Protection against negative calibration - to be tuned
    if ( a < -0.25 || b < -0.25 ) { 
      a = 1.;
      b = 1.;
      thresh = 0.;
    }

    // The new estimate of the true energy
    t = min(999.9,max(tt, thresh+a*e+b*h));

    // The angular correction for ECAL hadronic deposits
    etaCorrE = 1. + aEtaBarrel(t) + bEtaBarrel(t)*fabs(eta)*fabs(eta);
    etaCorrH = 1.;
    // etaCorr = 1.;
    t = max(tt, thresh+etaCorrE*a*e+etaCorrH*b*h);

    if ( e > 0. && thresh > 0. ) 
      e = h > 0. ? threshE-threshH + etaCorrE * a * e : threshE + etaCorrE * a * e;
    if ( h > 0. && thresh > 0. ) 
      h = threshH + etaCorrH * b * h;

    /*
    if ( e < 0. || h < 0. ) { 
      std::cout << "Warning : Energy correction ! " << std::endl
        << "eta,tt,e,h,a,b = " << eta << " " << tt << " " 
        << ee << "/" << e << " " << hh << "/" << h << " " << a << " " << b << std::endl;
    }
      
    if ( etaCorrE > 2. || etaCorrE < 0.5 || 
     etaCorrH > 2. || etaCorrH < 0.5 ) 
      std::cout << "Warning : Angular correction ! " << std::endl
        << "etaCorrE,etaCorrH,eta,t = " 
        << etaCorrE << " " << etaCorrH << " " << eta << " " << t << std::endl;
    */

  // Endcap calibration   
  } else {

    // The energy correction
    a = e>0. ? aEndcap(t) : 1.;
    b = e>0. ? bEndcap(t) : cEndcap(t);
    double thresh = e > 0. ? threshE : threshH;

    if ( a < -0.25 || b < -0.25 ) { 
      a = 1.;
      b = 1.;
      thresh = 0.;
    }

    // The new estimate of the true energy
    t = min(999.9,max(tt, thresh+a*e+b*h));
    
    // The angular correction
    double dEta = fabs ( fabs(eta) - 1.5 );
    double etaPow = dEta * dEta * dEta * dEta;
    //etaCorrE = 1. + aEtaEndcap(t) + 0.5*bEtaEndcap(t)*etaPow;
    etaCorrE = 1. + aEtaEndcap(t) + bEtaEndcap(t)*etaPow;
    etaCorrH = 1. + aEtaEndcap(t) + bEtaEndcap(t)*etaPow;
    /*
    if ( etaCorr > 2. || etaCorr < 0.5 ) 
      std::cout << "Warning : Angular correction ! " << std::endl
        << "etaCorr,eta,t = " << etaCorr << " " << eta << " " << tt 
        << " ee,hh,e,h = " << e << " " << h << " " << a*e << " " << b*h  
        << std::endl;
    */

    t = min(999.9,max(tt, thresh + etaCorrE*a*e + etaCorrH*b*h));

    if ( e > 0. && thresh > 0. ) 
      e = h > 0. ? threshE-threshH + etaCorrE * a * e : threshE + etaCorrE * a * e;
    if ( h > 0. && thresh > 0. ) 
      h = threshH + b * etaCorrH * h;


  }

  // Protection
  if ( e < 0. || h < 0. ) {
    /*
    std::cout << "Warning : Energy correction ! " << std::endl
          << "eta,tt,e,h,a,b = " << eta << " " << tt << " " 
          << ee << "/" << e << " " << hh << "/" << h << " " << a << " " << b << std::endl;
    */
    // Some protection against crazy calibration
    if ( e < 0. ) e = ee;
    if ( h < 0. ) h = hh;
  }

  // And that's it !

  
}

double PFEnergyCalibration::Gamma ( double  etaEcal )

private

Definition at line 709 of file PFEnergyCalibration.cc.

References p1, p2, and query::result.

Referenced by EcorrPS().

                                         {

 //Energy dependency
  static double p0 = 2.49752e-02;

  //Eta dependency
  static double p1 = 6.48816e-02;
  static double p2 = -1.59517e-02; 
 
  //so that <feta()> = 1
  static double norm = (p1+p2*(2.6+1.656)/2);

  double result = p0*(p1+p2*etaEcal)/norm;                    

  return result;
}

void PFEnergyCalibration::initializeCalibrationFunctions

(

)

Definition at line 33 of file PFEnergyCalibration.cc.

References faBarrel, faEndcap, faEtaBarrel, faEtaEndcap, fbBarrel, fbEndcap, fbEtaBarrel, fbEtaEndcap, fcBarrel, fcEndcap, threshE, and threshH.

Referenced by PFEnergyCalibration().

                                                    {

  // NEW NEW with HCAL pre-calibration

  threshE = 3.5;
  threshH = 2.5;

  // Barrel (fit made with |eta| < 1.2)
  faBarrel = new TF1("faBarrel","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  fbBarrel = new TF1("fbBarrel","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  fcBarrel = new TF1("fcBarrel","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  faEtaBarrel = new TF1("faEtaBarrel","[0]+[1]*exp(-x/[2])",1.,1000.);
  fbEtaBarrel = new TF1("fbEtaBarrel","[0]+[1]*exp(-x/[2])+[3]*[3]*exp(-x*x/([4]*[4]))",1.,1000.);
  faBarrel->SetParameter(0,1.15665);
  fbBarrel->SetParameter(0,0.994603);
  fcBarrel->SetParameter(0,0.956544);
  faEtaBarrel->SetParameter(0,0.014664);
  fbEtaBarrel->SetParameter(0,0.00975451);
  faBarrel->SetParameter(1,0.165627);
  fbBarrel->SetParameter(1,0.13632);
  fcBarrel->SetParameter(1,0.0857207);
  faEtaBarrel->SetParameter(1,-0.0426776);
  fbEtaBarrel->SetParameter(1,0.102247);
  faBarrel->SetParameter(2,0.827718);
  fbBarrel->SetParameter(2,-0.758013);
  fcBarrel->SetParameter(2,-0.44347);
  faEtaBarrel->SetParameter(2,431.054);
  fbEtaBarrel->SetParameter(2,436.21);
  faBarrel->SetParameter(3,231.339);
  fbBarrel->SetParameter(3,183.627);
  fcBarrel->SetParameter(3,63.3479);
  faBarrel->SetParameter(4,2.45332);
  fbBarrel->SetParameter(4,1);
  fcBarrel->SetParameter(4,1.24174);
  faBarrel->SetParameter(5,29.6603);
  fbBarrel->SetParameter(5,39.6784);
  fcBarrel->SetParameter(5,12.322);

  // End-caps (fit made with eta 
  faEndcap = new TF1("faEndcap","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  fbEndcap = new TF1("fbEndcap","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  fcEndcap = new TF1("fcEndcap","[0]+([1]+[2]/sqrt(x))*exp(-x/[3])-[4]*exp(-x*x/[5])",1.,1000.);
  faEtaEndcap = new TF1("faEtaEndcap","[0]+[1]*exp(-x/[2])",1.,1000.);
  fbEtaEndcap = new TF1("fbEtaEndcap","[0]+[1]*exp(-x/[2])+[3]*[3]*exp(-x*x/([4]*[4]))",1.,1000.);
  faEndcap->SetParameter(0,1.1272);
  fbEndcap->SetParameter(0,0.982824);
  fcEndcap->SetParameter(0,0.950244);
  faEtaEndcap->SetParameter(0,-0.000582903);
  fbEtaEndcap->SetParameter(0,0.0267319);
  faEndcap->SetParameter(1,0.258536);
  fbEndcap->SetParameter(1,0.0977533);
  fcEndcap->SetParameter(1,0.00564779);
  faEtaEndcap->SetParameter(1,-0.000482148);
  fbEtaEndcap->SetParameter(1,-0.554552);
  faEndcap->SetParameter(2,0.808071);
  fbEndcap->SetParameter(2,0.155416);
  fcEndcap->SetParameter(2,0.227162);
  faEtaEndcap->SetParameter(2,209.466);
  fbEtaEndcap->SetParameter(2,1.71188);
  faEndcap->SetParameter(3,214.039);
  fbEndcap->SetParameter(3,240.379);
  fcEndcap->SetParameter(3,207.786);
  fbEtaEndcap->SetParameter(3,0.235834);
  faEndcap->SetParameter(4,2);
  fbEndcap->SetParameter(4,1.2);
  fcEndcap->SetParameter(4,1.32824);
  fbEtaEndcap->SetParameter(4,-135.431);
  faEndcap->SetParameter(5,47.2602);
  fbEndcap->SetParameter(5,78.3083);
  fcEndcap->SetParameter(5,22.1825);
  
}

double PFEnergyCalibration::minimum ( double  a, double  b  )

private

Definition at line 511 of file PFEnergyCalibration.cc.

References a, and b.

Referenced by dCrackPhi().

                                             {
  if(TMath::Abs(b)<TMath::Abs(a)) a=b;
  return a;
}

void PFEnergyCalibration::setCalibrationFunctions ( const PerformancePayloadFromTFormula *  thePFCal )

inline

Definition at line 66 of file PFEnergyCalibration.h.

References pfCalibrations.

                                                                               {
    pfCalibrations = thePFCal;
  }

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out, const PFEnergyCalibration &  calib  )

friend

Definition at line 431 of file PFEnergyCalibration.cc.

                                               {

  if(!out ) return out;

  out<<"PFEnergyCalibration -- "<<endl;

  if ( calib.pfCalibrations ) { 

    std::cout << "Functions taken from the global tags : " << std::endl;

    static std::map<std::string, PerformanceResult::ResultType> functType;

    functType["PFfa_BARREL"] = PerformanceResult::PFfa_BARREL;
    functType["PFfa_ENDCAP"] = PerformanceResult::PFfa_ENDCAP;
    functType["PFfb_BARREL"] = PerformanceResult::PFfb_BARREL;
    functType["PFfb_ENDCAP"] = PerformanceResult::PFfb_ENDCAP;
    functType["PFfc_BARREL"] = PerformanceResult::PFfc_BARREL;
    functType["PFfc_ENDCAP"] = PerformanceResult::PFfc_ENDCAP;
    functType["PFfaEta_BARREL"] = PerformanceResult::PFfaEta_BARREL;
    functType["PFfaEta_ENDCAP"] = PerformanceResult::PFfaEta_ENDCAP;
    functType["PFfbEta_BARREL"] = PerformanceResult::PFfbEta_BARREL;
    functType["PFfbEta_ENDCAP"] = PerformanceResult::PFfbEta_ENDCAP;
    
    for(std::map<std::string,PerformanceResult::ResultType>::const_iterator 
      func = functType.begin(); 
        func != functType.end(); 
        ++func) {    
      
      cout << "Function: " << func->first << endl;
      PerformanceResult::ResultType fType = func->second;
      calib.pfCalibrations->printFormula(fType);
    }

  } else { 
    
    std::cout << "Default calibration functions : " << std::endl;
    
    calib.faBarrel->Print();
    calib.fbBarrel->Print();
    calib.fcBarrel->Print();
    calib.faEtaBarrel->Print();
    calib.fbEtaBarrel->Print();
    calib.faEndcap->Print();
    calib.fbEndcap->Print();
    calib.fcEndcap->Print();
    calib.faEtaEndcap->Print();
    calib.fbEtaEndcap->Print();
  }
    
  return out;
}

Member Data Documentation

TF1* PFEnergyCalibration::faBarrel

protected

Definition at line 79 of file PFEnergyCalibration.h.

Referenced by aBarrel(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::faEndcap

protected

Definition at line 86 of file PFEnergyCalibration.h.

Referenced by aEndcap(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::faEtaBarrel

protected

Definition at line 82 of file PFEnergyCalibration.h.

Referenced by aEtaBarrel(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::faEtaEndcap

protected

Definition at line 89 of file PFEnergyCalibration.h.

Referenced by aEtaEndcap(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fbBarrel

protected

Definition at line 80 of file PFEnergyCalibration.h.

Referenced by bBarrel(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fbEndcap

protected

Definition at line 87 of file PFEnergyCalibration.h.

Referenced by bEndcap(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fbEtaBarrel

protected

Definition at line 83 of file PFEnergyCalibration.h.

Referenced by bEtaBarrel(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fbEtaEndcap

protected

Definition at line 90 of file PFEnergyCalibration.h.

Referenced by bEtaEndcap(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fcBarrel

protected

Definition at line 81 of file PFEnergyCalibration.h.

Referenced by cBarrel(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

TF1* PFEnergyCalibration::fcEndcap

protected

Definition at line 88 of file PFEnergyCalibration.h.

Referenced by cEndcap(), initializeCalibrationFunctions(), operator<<(), and ~PFEnergyCalibration().

const PerformancePayloadFromTFormula* PFEnergyCalibration::pfCalibrations

protected

Definition at line 76 of file PFEnergyCalibration.h.

Referenced by aBarrel(), aEndcap(), aEtaBarrel(), aEtaEndcap(), bBarrel(), bEndcap(), bEtaBarrel(), bEtaEndcap(), cBarrel(), cEndcap(), operator<<(), and setCalibrationFunctions().

double PFEnergyCalibration::threshE

private

Definition at line 124 of file PFEnergyCalibration.h.

Referenced by energyEmHad(), and initializeCalibrationFunctions().

double PFEnergyCalibration::threshH

private

Definition at line 124 of file PFEnergyCalibration.h.

Referenced by energyEmHad(), and initializeCalibrationFunctions().