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RecoilCorrector.hh
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#include <vector>
#include <sstream>
#include <string>
#include "TFile.h"
#include "TTree.h"
#include "TCanvas.h"
#include "TH1F.h"
#include "TGraph.h"
#include "TLegend.h"
#include "TProfile.h"
#include "TF1.h"
#include "TMath.h"
#include "TRandom1.h"
//
// ** apply phil's recoil corrections **
//
// usage:
// double met=rawMetValue;
// double metphi=rawMetPhiValue;
// RecoilCorrector corrector;
// corrector->Correct(met,metphi,GenZPt,GenZPhi,leptonPt,leptonPhi);
// printf("corrected met: %10.2f%10.2f\n",met,metphi);
//
// where leptonPt, leptonPhi are dilepton kinematics for z->ll and single lepton kinematics for w->lnu
//
using namespace std;
class RecoilCorrector
{
public:
RecoilCorrector(string iNameZDat, int iSeed=0xDEADBEEF);
RecoilCorrector(string iNameZDat1, string iPrefix, int iSeed=0xDEADBEEF);
void CorrectAll(double &met, double &metphi, double iGenPt, double iGenPhi, double iLepPt, double iLepPhi,double &iU1,double &iU2,double iFluc,double iScale=0,int njet=0);
void Correct(double &pfmet, double &pfmetphi, double &trkmet, double &trkmetphi,
double iGenPt, double iGenPhi, double iLepPt, double iLepPhi,double iFluc ,double iScale=0,int njet=0);
void CorrectType1(double &pfmet, double &pfmetphi,double iGenPt,double iGenPhi,double iLepPt,double iLepPhi,double &iU1,double &iU2,double iFluc,double iScale=0,int njet=0);
double* CorrectType2(double pfmet, double pfmetphi,double iGenPt,double iGenPhi,double iLepPt,double iLepPhi,double iU1,double iU2,double iFluc,double iScale=0,int njet=0);
void CorrectU1U2(double &pfu1, double &pfu2, double &trku1, double &trku2,
double iGenPt, double iGenPhi, double iLepPt, double iLepPhi,double iFluc,double iScale=0,int njet=0);
void addDataFile(std::string iNameDat);
void addMCFile (std::string iNameMC);
protected:
enum Recoil {
PFU1,
PFU2,
PFMSU1,
PFMSU2,
PFS1U1,
PFS2U1,
PFS1U2,
PFS2U2,
TKU1,
TKU2,
TKMSU1,
TKMSU2,
TKS1U1,
TKS2U1,
TKS1U2,
TKS2U2
};
void readRecoil(std::vector<TF1*> &iU1Fit,std::vector<TF1*> &iU1MRMSFit,std::vector<TF1*> &iU1RMS1Fit,std::vector<TF1*> &iU1RMS2Fit,
std::vector<TF1*> &iU2Fit,std::vector<TF1*> &iU2MRMSFit,std::vector<TF1*> &iU2RMS1Fit,std::vector<TF1*> &iU2RMS2Fit,
std::string iFName,std::string iPrefix);
void readCorr(std::string iName,//int iType=2,
std::vector<TF1*> &iF1U1U2Corr ,std::vector<TF1*> &iF2U1U2Corr,std::vector<TF1*> &iF1F2U1Corr,std::vector<TF1*> &iF1F2U2Corr,
std::vector<TF1*> &iF1F2U1U2Corr,std::vector<TF1*> &iF1F2U2U1Corr,int iType=2);
void metDistribution(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RZFit,
TF1 *iU1MSZFit,
TF1 *iU1S1ZFit,
TF1 *iU1S2ZFit,
TF1 *iU2MSZFit,
TF1 *iU2S1ZFit,
TF1 *iU2S2ZFit,
TF1 *iU1U2Corr,
double &iU1,double &iU2,double iFluc=0,double iScale=0);
void metDistribution(double &iPFMet,double &iPFMPhi,double &iTKMet,double &iTKMPhi,
double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RZPFFit, TF1 *iU1RZTKFit,
TF1 *iU1MSZPFFit, TF1 *iU1MSZTKFit,
TF1 *iU1S1ZPFFit, TF1 *iU1S1ZTKFit,
TF1 *iU1S2ZPFFit, TF1 *iU1S2ZTKFit,
TF1 *iU2MSZPFFit, TF1 *iU2MSZTKFit,
TF1 *iU2S1ZPFFit, TF1 *iU2S1ZTKFit,
TF1 *iU2S2ZPFFit, TF1 *iU2S2ZTKFit,
TF1 *iPFU1U2Corr, TF1 *iTKU1U2Corr,
TF1 *iPFTKU1Corr, TF1 *iPFTKU2Corr,
TF1 *iPFTKU1MCorr,TF1 *iPFTKU2MCorr,
double &iU1,double &iU2,double iFluc=0,double iScale=0);
void metDistributionType1(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RZDatFit, TF1 *iU1RZMCFit,
TF1 *iU1MSZDatFit, TF1 *iU1MSZMCFit,
TF1 *iU2MSZDatFit, TF1 *iU2MSZMCFit,
double &iU1,double &iU2,double iFluc=0,double iScale=0);
void metDistributionType2(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,
TF1 *iU1Default,
TF1 *iU1RZDatFit, TF1 *iU1RZMCFit,
TF1 *iU1MSZDatFit, TF1 *iU1MSZMCFit,
TF1 *iU1S1ZDatFit, TF1 *iU1S1ZMCFit,
TF1 *iU1S2ZDatFit, TF1 *iU1S2ZMCFit,
TF1 *iU2MSZDatFit, TF1 *iU2MSZMCFit,
TF1 *iU2S1ZDatFit, TF1 *iU2S1ZMCFit,
TF1 *iU2S2ZDatFit, TF1 *iU2S2ZMCFit,
TF1 *iU1U2ZDatCorr,TF1 *iU1U2ZMCCorr,
double &iU1, double &iU2,double iFluc=0,double iScale=0);
double diGausPVal (double iVal, double iFrac,double iSimga1,double iSigma2);
double diGausPInverse(double iPVal,double iFrac,double iSigma1,double iSigma2);
double calculate(int iMet,double iEPt,double iEPhi,double iWPhi,double iU1,double iU2);
double getError(double iVal,TF1 *iZDatFit,Recoil iType);
double getError2(double iVal,TF1 *iFit);
double getCorError2(double iVal,TF1 *iFit);
double mag(double iV0,double iV1,double iV2,double iV3);
double correlatedSeed(double iVal, double iCorr1,double iCorr2,double iCorr3,double iSeed0,double iSeed1,double iSeed2,double iSeed3);
double deCorrelate (double iVal, double iCorr1,double iCorr2,double iCorr3,double iSeed0,double iSeed1,double iSeed2,double iSeed3);
TF1* getFunc(bool iMC, Recoil iType);
double CorrVal(double iPt,double iVal,Recoil iType);
//void Correct(double &met, double &metphi, double lGenPt, double lGenPhi, double lepPt, double lepPhi,double iFluc,int njet);
TRandom1 *fRandom;
vector<TF1*> fF1U1Fit; vector<TF1*> fF1U1RMSSMFit; vector<TF1*> fF1U1RMS1Fit; vector<TF1*> fF1U1RMS2Fit;
vector<TF1*> fF1U2Fit; vector<TF1*> fF1U2RMSSMFit; vector<TF1*> fF1U2RMS1Fit; vector<TF1*> fF1U2RMS2Fit;
vector<TF1*> fF2U1Fit; vector<TF1*> fF2U1RMSSMFit; vector<TF1*> fF2U1RMS1Fit; vector<TF1*> fF2U1RMS2Fit;
vector<TF1*> fF2U2Fit; vector<TF1*> fF2U2RMSSMFit; vector<TF1*> fF2U2RMS1Fit; vector<TF1*> fF2U2RMS2Fit;
vector<TF1*> fD1U1Fit; vector<TF1*> fD1U1RMSSMFit; vector<TF1*> fD1U1RMS1Fit; vector<TF1*> fD1U1RMS2Fit;
vector<TF1*> fD1U2Fit; vector<TF1*> fD1U2RMSSMFit; vector<TF1*> fD1U2RMS1Fit; vector<TF1*> fD1U2RMS2Fit;
vector<TF1*> fD2U1Fit; vector<TF1*> fD2U1RMSSMFit; vector<TF1*> fD2U1RMS1Fit; vector<TF1*> fD2U1RMS2Fit;
vector<TF1*> fD2U2Fit; vector<TF1*> fD2U2RMSSMFit; vector<TF1*> fD2U2RMS1Fit; vector<TF1*> fD2U2RMS2Fit;
vector<TF1*> fM1U1Fit; vector<TF1*> fM1U1RMSSMFit; vector<TF1*> fM1U1RMS1Fit; vector<TF1*> fM1U1RMS2Fit;
vector<TF1*> fM1U2Fit; vector<TF1*> fM1U2RMSSMFit; vector<TF1*> fM1U2RMS1Fit; vector<TF1*> fM1U2RMS2Fit;
vector<TF1*> fM2U1Fit; vector<TF1*> fM2U1RMSSMFit; vector<TF1*> fM2U1RMS1Fit; vector<TF1*> fM2U1RMS2Fit;
vector<TF1*> fM2U2Fit; vector<TF1*> fM2U2RMSSMFit; vector<TF1*> fM2U2RMS1Fit; vector<TF1*> fM2U2RMS2Fit;
vector<TF1*> fF1U1U2Corr; vector<TF1*> fF2U1U2Corr;
vector<TF1*> fF1F2U1Corr; vector<TF1*> fF1F2U2Corr;
vector<TF1*> fF1F2U1U2Corr; vector<TF1*> fF1F2U2U1Corr;
vector<TF1*> fM1U1U2Corr; vector<TF1*> fM2U1U2Corr;
vector<TF1*> fM1M2U1Corr; vector<TF1*> fM1M2U2Corr;
vector<TF1*> fM1M2U1U2Corr; vector<TF1*> fM1M2U2U1Corr;
int fId; int fJet;
};
//-----------------------------------------------------------------------------------------------------------------------------------------
RecoilCorrector::RecoilCorrector(string iNameZDat,std::string iPrefix, int iSeed) {
fRandom = new TRandom1(iSeed);
// get fits for Z data
readRecoil(fF1U1Fit,fF1U1RMSSMFit,fF1U1RMS1Fit,fF1U1RMS2Fit,fF1U2Fit,fF1U2RMSSMFit,fF1U2RMS1Fit,fF1U2RMS2Fit,iNameZDat,iPrefix);
if(iPrefix == "PF") readCorr (iNameZDat,fF1U1U2Corr,fF2U1U2Corr,fF1F2U1Corr,fF1F2U2Corr,fF1F2U1U2Corr,fF1F2U2U1Corr,0);
if(iPrefix == "TK") readCorr (iNameZDat,fF1U1U2Corr,fF2U1U2Corr,fF1F2U1Corr,fF1F2U2Corr,fF1F2U1U2Corr,fF1F2U2U1Corr,1);
fId = 0; fJet = 0;
}
RecoilCorrector::RecoilCorrector(string iNameZ, int iSeed) {
fRandom = new TRandom1(iSeed);
// get fits for Z data
readRecoil(fF1U1Fit,fF1U1RMSSMFit,fF1U1RMS1Fit,fF1U1RMS2Fit,fF1U2Fit,fF1U2RMSSMFit,fF1U2RMS1Fit,fF1U2RMS2Fit,iNameZ,"PF");
readRecoil(fF2U1Fit,fF2U1RMSSMFit,fF2U1RMS1Fit,fF2U1RMS2Fit,fF2U2Fit,fF2U2RMSSMFit,fF2U2RMS1Fit,fF2U2RMS2Fit,iNameZ,"TK");
readCorr (iNameZ ,fF1U1U2Corr,fF2U1U2Corr,fF1F2U1Corr,fF1F2U2Corr,fF1F2U1U2Corr,fF1F2U2U1Corr);
fId = 0; fJet = 0;
}
//-----------------------------------------------------------------------------------------------------------------------------------------
void RecoilCorrector::addDataFile(std::string iNameData) {
readRecoil(fD1U1Fit,fD1U1RMSSMFit,fD1U1RMS1Fit,fD1U1RMS2Fit,fD1U2Fit,fD1U2RMSSMFit,fD1U2RMS1Fit,fD1U2RMS2Fit,iNameData,"PF");
readRecoil(fD2U1Fit,fD2U1RMSSMFit,fD2U1RMS1Fit,fD2U1RMS2Fit,fD2U2Fit,fD2U2RMSSMFit,fD2U2RMS1Fit,fD2U2RMS2Fit,iNameData,"TK");
//readCorr(iNameData);
fId++;
}
void RecoilCorrector::addMCFile (std::string iNameMC) {
fId++;
readRecoil(fM1U1Fit,fM1U1RMSSMFit,fM1U1RMS1Fit,fM1U1RMS2Fit,fM1U2Fit,fM1U2RMSSMFit,fM1U2RMS1Fit,fM1U2RMS2Fit,iNameMC,"PF");
readRecoil(fM2U1Fit,fM2U1RMSSMFit,fM2U1RMS1Fit,fM2U1RMS2Fit,fM2U2Fit,fM2U2RMSSMFit,fM2U2RMS1Fit,fM2U2RMS2Fit,iNameMC,"TK");
readCorr (iNameMC ,fM1U1U2Corr,fM2U1U2Corr,fM1M2U1Corr,fM1M2U2Corr,fM1M2U1U2Corr,fM1M2U2U1Corr);
}
void RecoilCorrector::CorrectAll(double &met, double &metphi, double lGenPt, double lGenPhi, double lepPt, double lepPhi,double &iU1,double &iU2,double iFluc,double iScale,int njet) {
fJet = njet; if(njet > 2) fJet = 2;
if(fJet >= int(fF1U1Fit.size())) fJet = 0;
metDistribution(met,metphi,lGenPt,lGenPhi,lepPt,lepPhi,fRandom,
fF1U1Fit [fJet],
fF1U1RMSSMFit[fJet],
fF1U1RMS1Fit [fJet],
fF1U1RMS2Fit [fJet],
fF1U2RMSSMFit[fJet],
fF1U2RMS1Fit [fJet],
fF1U2RMS2Fit [fJet],
fF1U1U2Corr [fJet],
iU1, iU2,iFluc,iScale
);
}
void RecoilCorrector::CorrectType1(double &met, double &metphi, double lGenPt, double lGenPhi, double lepPt, double lepPhi,double &iU1,double &iU2,double iFluc,double iScale,int njet) {
fJet = njet; if(njet > 2) fJet = 2;
if(fJet >= int(fF1U1Fit.size())) fJet = 0;
metDistributionType1(met,metphi,lGenPt,lGenPhi,lepPt,lepPhi,fRandom,
fD1U1Fit [fJet],fM1U1Fit [fJet],
fD1U1RMSSMFit[fJet],fM1U1RMSSMFit[fJet],
fD1U2RMSSMFit[fJet],fM1U2RMSSMFit[fJet],
//fF1U1U2Corr [fJet],fM1U1U2Corr [fJet], ===> For the future
iU1,iU2,iFluc,iScale
);
}
double* RecoilCorrector::CorrectType2(double pfmet, double pfmetphi, double lGenPt, double lGenPhi, double lepPt, double lepPhi,double iU1,double iU2,double iFluc,double iScale,int njet) {
fJet = njet; if(njet > 2) fJet = 2;
if(fJet >= int(fF1U1Fit.size())) fJet = 0;
double lMet = pfmet;
double lMetPhi = pfmetphi;
metDistributionType2(lMet,lMetPhi,lGenPt,lGenPhi,lepPt,lepPhi,fF1U1Fit[fJet],
fD1U1Fit [fJet],fM1U1Fit [fJet],
fD1U1RMSSMFit[fJet],fM1U1RMSSMFit[fJet],
fD1U1RMS1Fit [fJet],fM1U1RMS1Fit [fJet],
fD1U1RMS2Fit [fJet],fM1U1RMS2Fit [fJet],
fD1U2RMSSMFit[fJet],fM1U2RMSSMFit[fJet],
fD1U2RMS1Fit [fJet],fM1U2RMS1Fit [fJet],
fD1U2RMS2Fit [fJet],fM1U2RMS2Fit [fJet],
fF1U1U2Corr [fJet],fM1U1U2Corr [fJet],
iU1,iU2,iFluc,iScale);
double *lOMet = new double[2];
lOMet[0] = double(lMet);
lOMet[1] = double(lMetPhi);
return lOMet;
}
void RecoilCorrector::Correct(double &pfmet, double &pfmetphi, double &trkmet, double &trkmetphi,
double lGenPt, double lGenPhi, double lepPt, double lepPhi,double iFluc,double iScale,int njet) {
double lU1 = 0; double lU2 = 0;
fJet = njet; if(njet > 2) fJet = 2;
if(fJet > int(fF1U1Fit.size())) fJet = 0;
metDistribution(pfmet,pfmetphi,trkmet,trkmetphi,lGenPt,lGenPhi,lepPt,lepPhi,fRandom,
fF1U1Fit [fJet],fF2U1Fit [fJet],
fF1U1RMSSMFit[fJet],fF2U1RMSSMFit[fJet],
fF1U1RMS1Fit [fJet],fF2U1RMS1Fit [fJet],
fF1U1RMS2Fit [fJet],fF2U1RMS2Fit [fJet],
fF1U2RMSSMFit[fJet],fF2U2RMSSMFit[fJet],
fF1U2RMS1Fit [fJet],fF2U2RMS1Fit [fJet],
fF1U2RMS2Fit [fJet],fF2U2RMS2Fit [fJet],
fF1U1U2Corr [fJet],fF2U1U2Corr [fJet],
fF1F2U1Corr [fJet],fF1F2U2Corr [fJet],
fF1F2U1U2Corr[fJet],fF1F2U2U1Corr[fJet],
lU1 ,lU2,
iFluc, iScale
);
}
void RecoilCorrector::CorrectU1U2(double &iPFU1, double &iPFU2, double &iTKU1, double &iTKU2,
double lGenPt, double lGenPhi, double lepPt, double lepPhi,double iFluc,double iScale,int njet) {
double pfmet = 0; double pfmetphi = 0; //double trkmet = 0; double trkmetphi = 0;
fJet = njet; if(njet > 2) fJet = 2;
if(fJet > int(fF1U1Fit.size())) fJet = 0;
metDistribution(pfmet,pfmetphi,iTKU1,iTKU2,lGenPt,lGenPhi,lepPt,lepPhi,fRandom,
fF1U1Fit [fJet],fF2U1Fit [fJet],
fF1U1RMSSMFit[fJet],fF2U1RMSSMFit[fJet],
fF1U1RMS1Fit [fJet],fF2U1RMS1Fit [fJet],
fF1U1RMS2Fit [fJet],fF2U1RMS2Fit [fJet],
fF1U2RMSSMFit[fJet],fF2U2RMSSMFit[fJet],
fF1U2RMS1Fit [fJet],fF2U2RMS1Fit [fJet],
fF1U2RMS2Fit [fJet],fF2U2RMS2Fit [fJet],
fF1U1U2Corr [fJet],fF2U1U2Corr [fJet],
fF1F2U1Corr [fJet],fF1F2U2Corr [fJet],
fF1F2U1U2Corr[fJet],fF1F2U2U1Corr[fJet],
iPFU1 ,iPFU2,
iFluc, iScale
);
//iTKU1 = 0; iTKU2 = 0;
}
double RecoilCorrector::CorrVal(double iPt, double iVal, Recoil iType) {
if(fId == 0 || fId == 1) return iVal;
switch(iType) {
case PFU1 : return iVal*((fD1U1Fit [fJet]->Eval(iPt)-iPt)/(fM1U1Fit [fJet]->Eval(iPt)-iPt));
case PFMSU1 : return iVal*(fD1U1RMSSMFit[fJet]->Eval(iPt)/fM1U1RMSSMFit[fJet]->Eval(iPt));
case PFS1U1 : return iVal*(fD1U1RMS1Fit [fJet]->Eval(iPt)/fM1U1RMS1Fit [fJet]->Eval(iPt));
case PFS2U1 : return iVal*(fD1U1RMS2Fit [fJet]->Eval(iPt)/fM1U1RMS2Fit [fJet]->Eval(iPt));
case PFU2 : return 0;
case PFMSU2 : return iVal*(fD1U2RMSSMFit[fJet]->Eval(iPt)/fM1U2RMSSMFit[fJet]->Eval(iPt));
case PFS1U2 : return iVal*(fD1U2RMS1Fit [fJet]->Eval(iPt) /fM1U2RMS1Fit[fJet]->Eval(iPt));
case PFS2U2 : return iVal*(fD1U2RMS2Fit [fJet]->Eval(iPt) /fM1U2RMS2Fit[fJet]->Eval(iPt));
case TKU1 : return iVal*(fD2U1Fit [fJet]->Eval(iPt)/fM2U1Fit [fJet]->Eval(iPt));
case TKMSU1 : return iVal*(fD2U1RMSSMFit[fJet]->Eval(iPt)/fM2U1RMSSMFit[fJet]->Eval(iPt));
case TKS1U1 : return iVal*(fD2U1RMS1Fit [fJet]->Eval(iPt) /fM2U1RMS1Fit[fJet]->Eval(iPt));
case TKS2U1 : return iVal*(fD2U1RMS2Fit [fJet]->Eval(iPt) /fM2U1RMS2Fit[fJet]->Eval(iPt));
case TKU2 : return 0;
case TKMSU2 : return iVal*(fD2U2RMSSMFit[fJet]->Eval(iPt)/fM2U2RMSSMFit[fJet]->Eval(iPt));
case TKS1U2 : return iVal*(fD2U2RMS1Fit [fJet]->Eval(iPt) /fM2U2RMS1Fit[fJet]->Eval(iPt));
case TKS2U2 : return iVal*(fD2U2RMS2Fit [fJet]->Eval(iPt) /fM2U2RMS2Fit[fJet]->Eval(iPt));
}
return iVal;
}
TF1* RecoilCorrector::getFunc(bool iMC, Recoil iType) {
if(fId == 0 || fId == 1) return 0;
switch(iType) {
case PFU1 : if(iMC) {return fD1U1Fit [fJet];} return fM1U1Fit [fJet];
case PFMSU1 : if(iMC) {return fD1U1RMSSMFit[fJet];} return fM1U1RMSSMFit[fJet];
case PFS1U1 : if(iMC) {return fD1U1RMS1Fit [fJet];} return fM1U1RMS1Fit [fJet];
case PFS2U1 : if(iMC) {return fD1U1RMS2Fit [fJet];} return fM1U1RMS2Fit [fJet];
case PFU2 : return 0;
case PFMSU2 : if(iMC) {return fD1U2RMSSMFit[fJet];} return fM1U2RMSSMFit[fJet];
case PFS1U2 : if(iMC) {return fD1U2RMS1Fit [fJet];} return fM1U2RMS1Fit [fJet];
case PFS2U2 : if(iMC) {return fD1U2RMS2Fit [fJet];} return fM1U2RMS2Fit [fJet];
case TKU1 : if(iMC) {return fD2U1Fit [fJet];} return fM2U1Fit [fJet];
case TKMSU1 : if(iMC) {return fD2U1RMSSMFit[fJet];} return fM2U1RMSSMFit[fJet];
case TKS1U1 : if(iMC) {return fD2U1RMS1Fit [fJet];} return fM2U1RMS1Fit [fJet];
case TKS2U1 : if(iMC) {return fD2U1RMS2Fit [fJet];} return fM2U1RMS2Fit [fJet];
case TKU2 : return 0;
case TKMSU2 : if(iMC) {return fD2U2RMSSMFit[fJet];} return fM2U2RMSSMFit[fJet];
case TKS1U2 : if(iMC) {return fD2U2RMS1Fit [fJet];} return fM2U2RMS1Fit [fJet];
case TKS2U2 : if(iMC) {return fD2U2RMS2Fit [fJet];} return fM2U2RMS2Fit [fJet];
}
return 0;
}
//-----------------------------------------------------------------------------------------------------------------------------------------
void RecoilCorrector::readRecoil(std::vector<TF1*> &iU1Fit,std::vector<TF1*> &iU1MRMSFit,std::vector<TF1*> &iU1RMS1Fit,std::vector<TF1*> &iU1RMS2Fit,
std::vector<TF1*> &iU2Fit,std::vector<TF1*> &iU2MRMSFit,std::vector<TF1*> &iU2RMS1Fit,std::vector<TF1*> &iU2RMS2Fit,
std::string iFName,std::string iPrefix) {
// if(!getenv("CMSSW_BASE")) {
// printf("error! RecoilCorrector called without input files. Define CMSSW_BASE or add by hand.\n");
// assert(0);
// }
TFile *lFile = new TFile(iFName.c_str());
int lNJet = 0;
std::stringstream lSS; lSS << iPrefix << "u1Mean_" << lNJet;
while(lFile->FindObjectAny(lSS.str().c_str()) != 0) { lSS.str("");
lSS << iPrefix << "u1Mean_" << lNJet; iU1Fit.push_back ( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u1MeanRMS_" << lNJet; iU1MRMSFit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u1RMS1_" << lNJet; iU1RMS1Fit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u1RMS2_" << lNJet; iU1RMS2Fit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u2Mean_" << lNJet; iU2Fit .push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u2MeanRMS_" << lNJet; iU2MRMSFit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u2RMS1_" << lNJet; iU2RMS1Fit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u2RMS2_" << lNJet; iU2RMS2Fit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lSS << iPrefix << "u2RMS2_" << lNJet; iU2RMS2Fit.push_back( (TF1*) lFile->FindObjectAny(lSS.str().c_str())); lSS.str("");
lNJet++; lSS << iPrefix << "u1Mean_" << lNJet;
}
lFile->Close();
}
//-----------------------------------------------------------------------------------------------------------------------------------------
void RecoilCorrector::readCorr(std::string iName,
std::vector<TF1*> &iF1U1U2Corr ,std::vector<TF1*> &iF2U1U2Corr,std::vector<TF1*> &iF1F2U1Corr,std::vector<TF1*> &iF1F2U2Corr,
std::vector<TF1*> &iF1F2U1U2Corr,std::vector<TF1*> &iF1F2U2U1Corr,int iType) {
TFile *lFile = new TFile(iName.c_str());
std::stringstream pSS1,pSS2,pSS3,pSS4,pSS5,pSS6;
int lNJet = 0;
std::stringstream lSS; lSS << "PFu1Mean_" << lNJet;
while(lFile->FindObjectAny(lSS.str().c_str()) != 0) {
lSS.str(""); pSS1.str(""); pSS2.str(""); pSS3.str(""); pSS4.str(""); pSS5.str(""); pSS6.str("");
if(iType != 1) {pSS1 << "u1u2pfCorr_" << lNJet; iF1U1U2Corr.push_back((TF1*) lFile->FindObjectAny(pSS1.str().c_str())); }
if(iType != 0) {pSS2 << "u1u2tkCorr_" << lNJet; iF2U1U2Corr.push_back((TF1*) lFile->FindObjectAny(pSS2.str().c_str())); }
if(iType < 2) { lNJet++; lSS << "PFu1Mean_" << lNJet; continue;}
pSS3 << "pftku1Corr_" << lNJet; iF1F2U1Corr .push_back((TF1*) lFile->FindObjectAny(pSS3.str().c_str()));
pSS4 << "pftku2Corr_" << lNJet; iF1F2U2Corr .push_back((TF1*) lFile->FindObjectAny(pSS4.str().c_str()));
pSS5 << "pftkum1Corr_" << lNJet; iF1F2U1U2Corr .push_back((TF1*) lFile->FindObjectAny(pSS5.str().c_str()));
pSS6 << "pftkum2Corr_" << lNJet; iF1F2U2U1Corr .push_back((TF1*) lFile->FindObjectAny(pSS6.str().c_str()));
lNJet++; lSS << "PFu1Mean_" << lNJet;
}
lFile->Close();
}
//-----------------------------------------------------------------------------------------------------------------------------------------
void RecoilCorrector::metDistribution(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RZDatFit,
TF1 *iU1MSZDatFit,
TF1 *iU1S1ZDatFit,
TF1 *iU1S2ZDatFit,
TF1 *iU2MSZDatFit,
TF1 *iU2S1ZDatFit,
TF1 *iU2S2ZDatFit,
TF1 *iU1U2Corr,
double &iU1, double &iU2,
double iFluc,double iScale) {
double lRescale = sqrt((TMath::Pi())/2.);
double pU1 = CorrVal(iGenPt,iU1RZDatFit->Eval(iGenPt)-iGenPt,PFU1); //iU1RZDatFit->Eval(iGenPt);//CorrVal(iGenPt,iU1RZDatFit->Eval(iGenPt),PFU1);
double pU2 = 0; //Right guys are for cumulants => code deleted
double pFrac1 = CorrVal(iGenPt,iU1MSZDatFit->Eval(iGenPt),PFMSU1)*lRescale;
double pFrac2 = CorrVal(iGenPt,iU2MSZDatFit->Eval(iGenPt),PFMSU2)*lRescale;
double pSigma1_1 = CorrVal(iGenPt,iU1S1ZDatFit->Eval(iGenPt),PFS1U1)*lRescale*CorrVal(iGenPt,iU1MSZDatFit->Eval(iGenPt),PFMSU1);
double pSigma1_2 = CorrVal(iGenPt,iU1S2ZDatFit->Eval(iGenPt),PFS2U1)*lRescale*CorrVal(iGenPt,iU1MSZDatFit->Eval(iGenPt),PFMSU1);
double pSigma2_1 = CorrVal(iGenPt,iU2S1ZDatFit->Eval(iGenPt),PFS1U2)*lRescale*CorrVal(iGenPt,iU2MSZDatFit->Eval(iGenPt),PFS1U2);
double pSigma2_2 = CorrVal(iGenPt,iU2S2ZDatFit->Eval(iGenPt),PFS2U2)*lRescale*CorrVal(iGenPt,iU2MSZDatFit->Eval(iGenPt),PFS2U2);
//double pMU1 = fabs(iU1RZDatFit->GetParameter(1));
//Uncertainty propagation
if(iFluc != 0 || iScale != 0) {
double lEUR1 = getError(iGenPt,iU1RZDatFit ,PFU1);
double lEUS1_1 = getError(iGenPt,iU1S1ZDatFit,PFS1U1);
double lEUS1_2 = getError(iGenPt,iU1S2ZDatFit,PFS2U1);
double lEU1Frac = getError(iGenPt,iU1MSZDatFit,PFMSU1);
double lEUS2_1 = getError(iGenPt,iU2S1ZDatFit,PFS1U2);
double lEUS2_2 = getError(iGenPt,iU2S2ZDatFit,PFS2U2);
double lEU2Frac = getError(iGenPt,iU2MSZDatFit,PFMSU2);
//Modify all the different parameters the choice of signs makes it maximal
pU1 = pU1 + iScale*lEUR1; //Recoil
pFrac1 = pFrac1 + iFluc*(lEU1Frac); //Mean RMS
pSigma1_1 = pSigma1_1 - iFluc*lEUS1_1*pFrac1; //Sigma 1 smalles sigma
pSigma1_2 = pSigma1_2 + iFluc*lEUS1_2*pFrac1; //Sigma 2 (Maximal when oppsite sigma 1)
pFrac2 = pFrac2 + iFluc*(lEU2Frac); //Mean RMS for U2
pSigma2_1 = pSigma2_1 - iFluc*lEUS2_1*pFrac2; //Sigma 1 U2
pSigma2_2 = pSigma2_2 + iFluc*(lEUS2_2)*pFrac2;
}
//Caculat the proper fraction
pFrac1 = (pFrac1-pSigma1_2)/(pSigma1_1-pSigma1_2);
pFrac2 = (pFrac2-pSigma2_2)/(pSigma2_1-pSigma2_2);
//Now sample for the MET distribution
double pVal0 = iRand->Uniform(0,1);
double pVal1 = iRand->Uniform(0,1);
double pCorr1 = iRand->Gaus(0,1);
double pCorr2 = iRand->Gaus(0,1);
//double pCorrT1 = iRand->Gaus(0,1); double pCorrT2 = iRand->Gaus(0,1);
pSigma1_1 = ((pVal0 < pFrac1)*(pSigma1_1)+(pVal0 > pFrac1)*(pSigma1_2));
pSigma2_1 = ((pVal1 < pFrac2)*(pSigma2_1)+(pVal1 > pFrac2)*(pSigma2_2));
double lU1U2 = iU1U2Corr->Eval(iGenPt)*0.5;
//cout << "===> " << lU1U2 << " -- " << iGenPt << endl;
double pVal1_1 = correlatedSeed(pSigma1_1,lU1U2,0.,0.,pCorr1,pCorr2,0.,0.);
double pVal2_1 = correlatedSeed(pSigma2_1,lU1U2,0.,0.,pCorr2,pCorr1,0.,0.);
//double pVal2_1 = correlatedSeed(pSigma2_1,lU1U2,0.,0.,pCorr2,pCorr1,0.,0.);
//double pVal2_2 = correlatedSeed(pSigma2_2,lU1U2,0.,0.,pCorrT2,pCorrT1,0.,0.);
pU1 = (pVal1_1+pU1);//(pVal0 < pFrac1)*(pVal1_1+pU1)+(pVal0 > pFrac1)*(pVal1_2+pU1);
pU2 = (pVal2_1+pU2);//(pVal1 < pFrac2)*(pVal2_1+pU2)+(pVal1 > pFrac2)*(pVal2_2+pU2);
//pU1 = (lVal0 < pFrac1)*iRand->Gaus(pU1,pSigma1_1)+(lVal0 > pFrac1)*iRand->Gaus(pU1,pSigma1_2);
//pU2 = (lVal1 < pFrac2)*iRand->Gaus(pU2,pSigma2_1)+(lVal1 > pFrac2)*iRand->Gaus(pU2,pSigma2_2);
iMet = calculate(0,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iMPhi = calculate(1,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iU1 = pU1;
iU2 = pU2;
return;
}
void RecoilCorrector::metDistributionType1(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RZDatFit, TF1 *iU1RZMCFit,
TF1 *iU1MSZDatFit, TF1 *iU1MSZMCFit,
TF1 *iU2MSZDatFit, TF1 *iU2MSZMCFit,
//TF1 *iU1U2ZDatCorr,TF1 *iU1U2ZMCCorr,
double &iU1,double &iU2,double iFluc,double iScale) {
double p1UX = iMet*cos(iMPhi) + iLepPt*cos(iLepPhi);
double p1UY = iMet*sin(iMPhi) + iLepPt*sin(iLepPhi);
double p1U = sqrt(p1UX*p1UX+p1UY*p1UY);
double p1Cos = - (p1UX*cos(iGenPhi) + p1UY*sin(iGenPhi))/p1U;
double p1Sin = (p1UX*sin(iGenPhi) - p1UY*cos(iGenPhi))/p1U;
iU1 = p1U*p1Cos;//*(pU1*(iGenPt > 10) + (iGenPt > 10)*((1.-iGenPt/10.)*(pU1-1.)+1.));
iU2 = p1U*p1Sin;
if(iLepPt < 4) return;
double lRescale = sqrt((TMath::Pi())/2.);
double pU1 = (iU1RZDatFit->Eval(iGenPt)-iGenPt)/(iU1RZMCFit->Eval(iGenPt)-iGenPt);
double pU2 = 0; //Right guys are for cumulants => code deleted
double pFrac1 = max( iU1MSZDatFit->Eval(iGenPt)*iU1MSZDatFit->Eval(iGenPt)
-iU1MSZMCFit->Eval(iGenPt)*iU1MSZMCFit ->Eval(iGenPt),0.);
double pFrac2 = max( iU2MSZDatFit->Eval(iGenPt)*iU2MSZDatFit->Eval(iGenPt)
-iU2MSZMCFit->Eval(iGenPt)*iU2MSZMCFit ->Eval(iGenPt),0.);
pFrac1 = sqrt(pFrac1)*lRescale;
pFrac2 = sqrt(pFrac2)*lRescale;
//cout << "===> " << pU1 << " -- " << pFrac1 << " -- " << pFrac2 << " -- " << iU1MSZDatFit->Eval(iGenPt) << " - " << iU1MSZMCFit->Eval(iGenPt) << endl;
//Uncertainty propagation
if(iFluc != 0 || iScale != 0) {
double lEUR1 = getError(iGenPt,iU1RZMCFit ,PFU1) *2.;
double lEU1Frac = getError(iGenPt,iU1MSZMCFit,PFMSU1)*2.;
double lEU2Frac = getError(iGenPt,iU2MSZMCFit,PFMSU2)*2.;
//Modify all the different parameters the choice of signs makes it maximal
//cout << "----> " << lEUR1/iU1RZMCFit->Eval(iGenPt) << endl;
pU1 = pU1 + iScale*lEUR1/iU1RZMCFit->Eval(iGenPt); //Recoil
pFrac1 = pFrac1 + iFluc*(lEU1Frac); //Mean RMS
pFrac2 = pFrac2 + iFluc*(lEU2Frac); //Mean RMS for U2
}
//For the future
//double lU1U2 = iU1U2Corr->Eval(iGenPt);
//double pVal1_1 = correlatedSeed(pSigma1_1,lU1U2,0.,0.,pCorr1,pCorr2,0.,0.);
//double pVal2_1 = correlatedSeed(pSigma2_1,lU1U2,0.,0.,pCorr2,pCorr1,0.,0.);
double pUX = iMet*cos(iMPhi) + iLepPt*cos(iLepPhi);
double pUY = iMet*sin(iMPhi) + iLepPt*sin(iLepPhi);
double pU = sqrt(pUX*pUX+pUY*pUY);
double pCos = - (pUX*cos(iGenPhi) + pUY*sin(iGenPhi))/pU;
double pSin = (pUX*sin(iGenPhi) - pUY*cos(iGenPhi))/pU;
pU1 = pU*pCos*pU1;//*(pU1*(iGenPt > 10) + (iGenPt > 10)*((1.-iGenPt/10.)*(pU1-1.)+1.));
pU2 = pU*pSin;
pU1 = iRand->Gaus(pU1,pFrac1);
pU2 = iRand->Gaus(pU2,pFrac2);
iMet = calculate(0,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iMPhi = calculate(1,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iU1 = pU1;
iU2 = pU2;
return;
}
double RecoilCorrector::diGausPVal(double iVal,double iFrac,double iSigma1,double iSigma2) {
return iFrac*TMath::Erf(iVal/iSigma1) + (1-iFrac)*TMath::Erf(iVal/iSigma2);
}
double RecoilCorrector::diGausPInverse(double iPVal,double iFrac,double iSigma1,double iSigma2) {
double lVal = TMath::ErfInverse(iPVal);
double lMin = lVal * ((iSigma1 < iSigma2) ? iSigma1 : iSigma2);
double lMax = lVal * ((iSigma1 < iSigma2) ? iSigma2 : iSigma1);
//cout << "-- Min - " << lMin << " -> " << lMax << " -- " << iSigma1 << " -- " << iSigma2 << endl;
double lDiff = (lMax-lMin);
//Iterative procedure to invert a double gaussian given a PVal
int lId = 0; int lN1 = 4; int lN2 = 10;
for(int i0 = 0; i0 < lN1; i0++) {
if(i0 != 0) lMin = lMin + (lId-1)*lDiff/lN2;
if(i0 != 0) lDiff/=lN2;
for(int i1 = 0; i1 < lN2; i1++) {
double pVal = lMin + lDiff/lN2*i1;
pVal = diGausPVal(pVal,iFrac,iSigma1,iSigma2);
if(pVal > iPVal) {lId = i1; break;}
//if(pVal < iPVal && lDiff < 0 ) {lId = i1; break;}
}
}
//cout << "-- Final Val " << (lMin + (lId-0.5)*lDiff/lN2) << " -- " << lId << endl;
return (lMin + (lId-0.5)*lDiff/lN2);
}
void RecoilCorrector::metDistributionType2(double &iMet,double &iMPhi,double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,
TF1 *iU1Default,
TF1 *iU1RZDatFit, TF1 *iU1RZMCFit,
TF1 *iU1MSZDatFit, TF1 *iU1MSZMCFit,
TF1 *iU1S1ZDatFit, TF1 *iU1S1ZMCFit,
TF1 *iU1S2ZDatFit, TF1 *iU1S2ZMCFit,
TF1 *iU2MSZDatFit, TF1 *iU2MSZMCFit,
TF1 *iU2S1ZDatFit, TF1 *iU2S1ZMCFit,
TF1 *iU2S2ZDatFit, TF1 *iU2S2ZMCFit,
TF1 *iU1U2ZDatCorr,TF1 *iU1U2ZMCCorr,
double &iU1,double &iU2,double iFluc,double iScale) {
double pDefU1 = (iU1Default->Eval(iGenPt)-iGenPt);
double lRescale = sqrt((TMath::Pi())/2.);
double pDU1 = (iU1RZDatFit ->Eval(iGenPt)-iGenPt);
//double pDU2 = 0; sPM
double pDFrac1 = iU1MSZDatFit->Eval(iGenPt)*lRescale;
double pDSigma1_1 = iU1S1ZDatFit->Eval(iGenPt)*pDFrac1;
double pDSigma1_2 = iU1S2ZDatFit->Eval(iGenPt)*pDFrac1;
double pDFrac2 = iU2MSZDatFit->Eval(iGenPt)*lRescale;
double pDSigma2_1 = iU2S1ZDatFit->Eval(iGenPt)*pDFrac2;
double pDSigma2_2 = iU2S2ZDatFit->Eval(iGenPt)*pDFrac2;
//double pDMean1 = pDFrac1;
//double pDMean2 = pDFrac2;
double pMU1 = iU1RZMCFit ->Eval(iGenPt)-iGenPt;
// double pMU2 = 0;
double pMFrac1 = iU1MSZMCFit ->Eval(iGenPt)*lRescale;
double pMSigma1_1 = iU1S1ZMCFit ->Eval(iGenPt)*pMFrac1;
double pMSigma1_2 = iU1S2ZMCFit ->Eval(iGenPt)*pMFrac1;
double pMFrac2 = iU2MSZMCFit ->Eval(iGenPt)*lRescale;
double pMSigma2_1 = iU2S1ZMCFit ->Eval(iGenPt)*pMFrac2;
double pMSigma2_2 = iU2S2ZMCFit ->Eval(iGenPt)*pMFrac2;
//double pMMean1 = pMFrac1;
//double pMMean2 = pMFrac2;
//Uncertainty propagation
if(iFluc != 0 || iScale != 0) {
double lEUR1 = getError(iGenPt,iU1Default ,PFU1);
// double lEUS1_1 = getError(iGenPt,iU1S1ZDatFit,PFS1U1);
// double lEUS1_2 = getError(iGenPt,iU1S2ZDatFit,PFS2U1);
double lEU1Frac = getError(iGenPt,iU1MSZDatFit,PFMSU1);
// double lEUS2_1 = getError(iGenPt,iU2S1ZDatFit,PFS1U2);
// double lEUS2_2 = getError(iGenPt,iU2S2ZDatFit,PFS2U2);
double lEU2Frac = getError(iGenPt,iU2MSZDatFit,PFMSU2);
/*
cout << "Err u1 : " << lEU1Frac << " -- " << iFluc << " -- " << pDFrac1 << " -- " << iU1MSZDatFit->GetParError(0) << endl;
cout << "Err u2 : " << lEU2Frac << " -- " << iFluc << " -- " << pDFrac2 << endl;
cout << "Err u1 s1 : " << lEUS1_1 << endl;
cout << "Err u1 s2 : " << lEUS1_2 << endl;
cout << "Err u2 s1 : " << lEUS2_1 << endl;
cout << "Err u2 s2 : " << lEUS2_2 << endl;
*/
//Modify all the different parameters the choice of signs makes it maximal
pDU1 = pDU1 + iScale*lEUR1; //Recoil
pDFrac1 = pDFrac1 + iFluc*(lEU1Frac); //Mean RMS
pDSigma1_1 = pDSigma1_1 + iFluc*lEU1Frac;//lEUS1_1*pDFrac1; //Sigma 1 smalles sigma
pDSigma1_2 = pDSigma1_2 + iFluc*lEU1Frac;//lEUS1_2*pDFrac1; //Sigma 2 (Maximal when oppsite sigma 1)
pDFrac2 = pDFrac2 + iFluc*(lEU2Frac); //Mean RMS for U2
pDSigma2_1 = pDSigma2_1 + iFluc*lEU2Frac;//lEUS2_1*pDFrac2; //Sigma 1 U2
pDSigma2_2 = pDSigma2_2 + iFluc*lEU2Frac;//(lEUS2_2)*pDFrac2;
}
pDFrac1 = (pDFrac1-pDSigma1_2)/(pDSigma1_1-pDSigma1_2);
pDFrac2 = (pDFrac2-pDSigma2_2)/(pDSigma2_1-pDSigma2_2);
pMFrac1 = (pMFrac1-pMSigma1_2)/(pMSigma1_1-pMSigma1_2);
pMFrac2 = (pMFrac2-pMSigma2_2)/(pMSigma2_1-pMSigma2_2);
double pUX = iMet*cos(iMPhi) + iLepPt*cos(iLepPhi);
double pUY = iMet*sin(iMPhi) + iLepPt*sin(iLepPhi);
double pU = sqrt(pUX*pUX+pUY*pUY);
double pCos = - (pUX*cos(iGenPhi) + pUY*sin(iGenPhi))/pU;
double pSin = (pUX*sin(iGenPhi) - pUY*cos(iGenPhi))/pU;
double pU1 = pU*pCos;
double pU2 = pU*pSin;
double pU1Diff = pU1-pDefU1;
double pU2Diff = pU2;
double p1Charge = pU1Diff/fabs(pU1Diff);
double p2Charge = pU2Diff/fabs(pU2Diff);
// double pTU1Diff = pU1Diff;
// double lMU1U2 = iU1U2ZMCCorr->Eval(iGenPt);
// pU1Diff = deCorrelate(pMMean1,lMU1U2,0.,0.,pU1Diff/pMMean1,pU2Diff/pMMean1 ,0.,0.);
//pU2Diff = deCorrelate(pMMean2,lMU1U2,0.,0.,pU2Diff/pMMean2,pTU1Diff/pMMean2,0.,0.);
double pU1ValM = diGausPVal(fabs(pU1Diff),pMFrac1,pMSigma1_1,pMSigma1_2);
double pU2ValM = diGausPVal(fabs(pU2Diff),pMFrac2,pMSigma2_1,pMSigma2_2);
double pU1ValD = diGausPInverse(pU1ValM ,pDFrac1,pDSigma1_1,pDSigma1_2);
double pU2ValD = diGausPInverse(pU2ValM ,pDFrac2,pDSigma2_1,pDSigma2_2);
//double lDU1U2 = 0;//iU1U2ZDatCorr->Eval(iGenPt);
//pU1ValD = correlatedSeed(pDMean1,lDU1U2,0.,0.,pU1ValD/pDMean1,pU2ValD/pDMean1,0.,0.);
//pU2ValD = correlatedSeed(pDMean2,lDU1U2,0.,0.,pU2ValD/pDMean2,pU1ValD/pDMean2,0.,0.);
pU1ValD*=p1Charge;
pU2ValD*=p2Charge;
pDefU1 *= (pDU1/pMU1);
pU1 = pDefU1 + pU1ValD;
pU2 = pU2ValD;
iMet = calculate(0,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iMPhi = calculate(1,iLepPt,iLepPhi,iGenPhi,pU1,pU2);
iU1 = pU1;
iU2 = pU2;
return;
//Not Used Current
iU1U2ZMCCorr ->Eval(iGenPt);
iU1U2ZDatCorr->Eval(iGenPt);
}
void RecoilCorrector::metDistribution(double &iPFMet,double &iPFMPhi,double &iTKMet,double &iTKMPhi,
double iGenPt,double iGenPhi,
double iLepPt,double iLepPhi,TRandom1 *iRand,
TF1 *iU1RPFFit, TF1 *iU1RTKFit,
TF1 *iU1MSPFFit, TF1 *iU1MSTKFit,
TF1 *iU1S1PFFit, TF1 *iU1S1TKFit,
TF1 *iU1S2PFFit, TF1 *iU1S2TKFit,
TF1 *iU2MSPFFit, TF1 *iU2MSTKFit,
TF1 *iU2S1PFFit, TF1 *iU2S1TKFit,
TF1 *iU2S2PFFit, TF1 *iU2S2TKFit,
TF1 *iPFU1U2Corr, TF1 *iTKU1U2Corr,
TF1 *iPFTKU1Corr, TF1 *iPFTKU2Corr,
TF1 *iPFTKU1MCorr,TF1 *iPFTKU2MCorr,
double &iU1, double &iU2,
double iFluc,double iScale) {
//Important constants re-scaling of sigma on left and mean wpt of W resbos on right
double lRescale = sqrt((TMath::Pi())/2.); //double lPtMean = 16.3; //==> tuned for W bosons
///
double pPFU1 = CorrVal(iGenPt,iU1RPFFit->Eval(iGenPt),PFU1);
double pPFU2 = 0;
double pPFSigma1_1 = CorrVal(iGenPt,iU1S1PFFit->Eval(iGenPt),PFS1U1)*CorrVal(iGenPt,iU1MSPFFit->Eval(iGenPt),PFMSU1)*lRescale;
double pPFSigma1_2 = CorrVal(iGenPt,iU1S2PFFit->Eval(iGenPt),PFS2U1)*CorrVal(iGenPt,iU1MSPFFit->Eval(iGenPt),PFMSU1)*lRescale;
double pPFFrac1 = CorrVal(iGenPt,iU1MSPFFit->Eval(iGenPt),PFMSU1) *lRescale;
double pPFSigma2_1 = CorrVal(iGenPt,iU2S1PFFit->Eval(iGenPt),PFS1U2)*CorrVal(iGenPt,iU2MSPFFit->Eval(iGenPt),PFMSU2)*lRescale;
double pPFSigma2_2 = CorrVal(iGenPt,iU2S2PFFit->Eval(iGenPt),PFS2U2)*CorrVal(iGenPt,iU2MSPFFit->Eval(iGenPt),PFMSU2)*lRescale;
double pPFFrac2 = CorrVal(iGenPt,iU2MSPFFit->Eval(iGenPt),PFMSU2) *lRescale;
if(pPFSigma1_1 > pPFSigma1_2) {double pT = pPFSigma1_2; pPFSigma1_2 = pPFSigma1_1; pPFSigma1_1 = pT;}
if(pPFSigma2_1 > pPFSigma2_2) {double pT = pPFSigma2_2; pPFSigma2_2 = pPFSigma2_1; pPFSigma2_2 = pT;}
double pTKU1 = CorrVal(iGenPt,iU1RTKFit->Eval(iGenPt),TKU1);
double pTKU2 = 0;
double pTKSigma1_1 = CorrVal(iGenPt,iU1S1TKFit->Eval(iGenPt),TKS1U1)*CorrVal(iGenPt,iU1MSTKFit->Eval(iGenPt),TKMSU1)*lRescale;
double pTKSigma1_2 = CorrVal(iGenPt,iU1S2TKFit->Eval(iGenPt),TKS2U1)*CorrVal(iGenPt,iU1MSTKFit->Eval(iGenPt),TKMSU1)*lRescale;
double pTKFrac1 = CorrVal(iGenPt,iU1MSTKFit->Eval(iGenPt),TKMSU1) *lRescale;
double pTKSigma2_1 = CorrVal(iGenPt,iU2S1TKFit->Eval(iGenPt),TKS1U2)*CorrVal(iGenPt,iU2MSTKFit->Eval(iGenPt),TKMSU2)*lRescale;
double pTKSigma2_2 = CorrVal(iGenPt,iU2S2TKFit->Eval(iGenPt),TKS2U2)*CorrVal(iGenPt,iU2MSTKFit->Eval(iGenPt),TKMSU2)*lRescale;
double pTKFrac2 = CorrVal(iGenPt,iU2MSTKFit->Eval(iGenPt),TKMSU2) *lRescale;
if(pTKSigma1_1 > pTKSigma1_2) {double pT = pTKSigma1_2; pTKSigma1_2 = pTKSigma1_1; pTKSigma1_1 = pT;}
if(pTKSigma2_1 > pTKSigma2_2) {double pT = pTKSigma2_2; pTKSigma2_2 = pTKSigma2_1; pTKSigma2_2 = pT;}
//Uncertainty propagation
if(iFluc != 0 || iScale != 0) {
double lEUR1 = getError(iGenPt ,iU1RPFFit , PFU1);
double lEUS1_1 = getError(iGenPt ,iU1S1PFFit, PFS1U1);
double lEUS1_2 = getError(iGenPt ,iU1S2PFFit, PFS2U1);
double lEU1Frac = getError(iGenPt ,iU1MSPFFit, PFMSU1)*lRescale;
double lEUS2_1 = getError(iGenPt ,iU2S1PFFit, PFS1U2);
double lEUS2_2 = getError(iGenPt ,iU2S2PFFit, PFS2U2);
double lEU2Frac = getError(iGenPt ,iU2MSPFFit, PFMSU2)*lRescale;
//cout << "===> " << pPFSigma1_1 << " -- " << iU1S2PFFit->GetParError(0) << " -- " << lEUS1_1 << endl;
//Modify all the different parameters the choice of signs makes it maximal
if(iU1S1PFFit->Eval(iGenPt) > 1) {double pPF = lEUS1_1; lEUS1_1 = lEUS1_2; lEUS1_1 = pPF;}
if(iU2S1PFFit->Eval(iGenPt) > 1) {double pPF = lEUS2_1; lEUS2_1 = lEUS2_2; lEUS2_1 = pPF;}
pPFU1 = pPFU1 + iScale*lEUR1; //Recoil
pPFFrac1 = pPFFrac1 + iFluc*(lEU1Frac); //Mean RMS
pPFSigma1_1 = pPFSigma1_1 + iFluc*lEUS1_1*pPFFrac1; //Sigma 1 smalles sigma
pPFSigma1_2 = pPFSigma1_2 - iFluc*lEUS1_2*pPFFrac1; //Sigma 2 (Maximal when oppsite sigma 1)
pPFFrac2 = pPFFrac2 + iFluc*(lEU2Frac); //Mean RMS for U2
pPFSigma2_1 = pPFSigma2_1 + iFluc*lEUS2_1*pPFFrac2 ; //Sigma 1 U2
pPFSigma2_2 = pPFSigma2_2 - iFluc*(lEUS2_2)*pPFFrac2;
lEUR1 = getError(iGenPt,iU1RTKFit ,TKU1);
lEUS1_1 = getError(iGenPt,iU1S1TKFit,TKS1U1);
lEUS1_2 = getError(iGenPt,iU1S2TKFit,TKS2U1);
lEU1Frac = getError(iGenPt,iU1MSTKFit,TKMSU1)*lRescale;
lEUS2_1 = getError(iGenPt,iU2S1TKFit,TKS1U2);
lEUS2_2 = getError(iGenPt,iU2S2TKFit,TKS2U2);
lEU2Frac = getError(iGenPt,iU2MSTKFit,TKMSU2)*lRescale;
if(iU1S1TKFit->Eval(iGenPt) > 1) {double pPF = lEUS1_1; lEUS1_1 = lEUS1_2; lEUS1_1 = pPF;}
if(iU2S1TKFit->Eval(iGenPt) > 1) {double pPF = lEUS2_1; lEUS2_1 = lEUS2_2; lEUS2_1 = pPF;}
//Modify all the different parameters the choice of signs makes it maximal
pTKU1 = pTKU1 + iScale*lEUR1; //Recoil
pTKFrac1 = pTKFrac1 + iFluc*(lEU1Frac); //Mean RMS
pTKSigma1_1 = pTKSigma1_1 + iFluc*lEUS1_1 *pTKFrac1; //Sigma 1 smalles sigma
pTKSigma1_2 = pTKSigma1_2 - iFluc*lEUS1_2 *pTKFrac1; //Sigma 2 (Maximal when oppsite sigma 1)
pTKFrac2 = pTKFrac2 + iFluc*(lEU2Frac); //Mean RMS for U2
pTKSigma2_1 = pTKSigma2_1 + iFluc*lEUS2_1 *pTKFrac2; //Sigma 1 U2
pTKSigma2_2 = pTKSigma2_2 - iFluc*(lEUS2_2)*pTKFrac2;
}
//double lMeanU1 = pPFFrac1;
//double lMeanU2 = pPFFrac2;
//Caculat the proper fraction
pPFFrac1 = (pPFFrac1-pPFSigma1_2)/(pPFSigma1_1-pPFSigma1_2);
pPFFrac2 = (pPFFrac2-pPFSigma2_2)/(pPFSigma2_1-pPFSigma2_2);
pTKFrac1 = (pTKFrac1-pTKSigma1_2)/(pTKSigma1_1-pTKSigma1_2);
pTKFrac2 = (pTKFrac2-pTKSigma2_2)/(pTKSigma2_1-pTKSigma2_2);
//if(iGenPt > 60) cout << "===> " << pFrac1 << " -- " <<pFrac2 << endl;
double pPFVal0 = iRand->Uniform(0,1);
double pPFVal1 = iRand->Uniform(0,1);
double pTKVal0 = iRand->Uniform(0,1);
double pTKVal1 = iRand->Uniform(0,1);
double pPFCorr1 = iRand->Gaus(0,1); double pPFCorr2 = iRand->Gaus(0,1);
//double pPFCorrT1 = iRand->Gaus(0,1); double pPFCorrT2 = iRand->Gaus(0,1);
double pTKCorr1 = iRand->Gaus(0,1); double pTKCorr2 = iRand->Gaus(0,1);
//double pTKCorrT1 = iRand->Gaus(0,1); double pTKCorrT2 = iRand->Gaus(0,1);
double lPFU1U2 = TMath::Max(iPFU1U2Corr->Eval(iGenPt),0.);//iPFU1U2Corr->Eval(iGenPt) ,0.);
double lTKU1U2 = TMath::Max(iTKU1U2Corr->Eval(iGenPt),0.);//iTKU1U2Corr->Eval(iGenPt) ,0.);
double lPFTKU1 = iPFTKU1Corr ->Eval(iGenPt); //TMath::Max(iPFTKU1Corr->Eval(iGenPt) ,0.);
double lPFTKU2 = iPFTKU2Corr ->Eval(iGenPt);//TMath::Max(iPFTKU2Corr->Eval(iGenPt) ,0.);
double lPFTKU1M = iPFTKU1MCorr->Eval(iGenPt);
double lPFTKU2M = iPFTKU2MCorr->Eval(iGenPt);
//Needs some more work
double pScale = 1.; //pPFFrac1 = (pPFFrac1+pPFFrac2)/2.; //pPFFrac2 = pPFFrac1;//+pPFFrac2)/2.;
pPFSigma1_1 = ((pPFVal0 < pPFFrac1)*(pPFSigma1_1)+(pPFVal0 > pPFFrac1)*(pPFSigma1_2)); pPFVal0 = -1;
pPFSigma2_1 = ((pPFVal1 < pPFFrac2)*(pPFSigma2_1)+(pPFVal1 > pPFFrac2)*(pPFSigma2_2)); pPFVal1 = -1;
pTKSigma1_1 = (pTKVal0 < pTKFrac1)*(pTKSigma1_1)+(pTKVal0 > pTKFrac1)*(pTKSigma1_2); pTKVal0 = -1;
pTKSigma2_1 = (pTKVal1 < pTKFrac2)*(pTKSigma2_1)+(pTKVal1 > pTKFrac2)*(pTKSigma2_2); pTKVal1 = -1;
//double pPFSigma1_1_old = pPFSigma1_1*(lMeanU2/lMeanU1);
//double pPFVal1_1 = correlatedSeed(pPFSigma1_1*pScale,lPFU1U2,lPFTKU1,lPFTKU1M,pPFSigma1_1,pPFSigma2_1*(lMeanU1/lMeanU2),pTKCorr1,pTKCorr2);
//double pPFVal2_1 = correlatedSeed(pPFSigma2_1*pScale,lPFU1U2,lPFTKU2,lPFTKU2M,pPFSigma2_1,pPFSigma1_1_old,pTKCorr2,pTKCorr1);
double pPFVal1_1 = correlatedSeed(pPFSigma1_1*pScale,lPFU1U2,lPFTKU1,lPFTKU1M,pPFCorr1,pPFCorr2,pTKCorr1,pTKCorr2);
double pPFVal2_1 = correlatedSeed(pPFSigma2_1*pScale,lPFU1U2,lPFTKU2,lPFTKU2M,pPFCorr2,pPFCorr1,pTKCorr2,pTKCorr1);
double pTKVal1_1 = correlatedSeed(pTKSigma1_1*pScale,lTKU1U2,lPFTKU1,lPFTKU2M,pTKCorr1,pTKCorr2,pPFCorr1,pPFCorr2);
double pTKVal2_1 = correlatedSeed(pTKSigma2_1*pScale,lTKU1U2,lPFTKU2,lPFTKU1M,pTKCorr2,pTKCorr1,pPFCorr2,pPFCorr1);
//double pPFVal1_2 = correlatedSeed(pPFSigma1_2*pScale,lPFU1U2,lPFTKU1,lPFTKU1M,pPFCorrT1,pPFCorrT2,pTKCorrT1,pTKCorrT2);
//double pPFVal2_2 = correlatedSeed(pPFSigma2_2*pScale,lPFU1U2,lPFTKU2,lPFTKU2M,pPFCorrT2,pPFCorrT1,pTKCorrT2,pTKCorrT1);
//double pTKVal1_2 = correlatedSeed(pTKSigma1_2*pScale,lTKU1U2,lPFTKU1,lPFTKU2M,pTKCorrT1,pTKCorrT2,pPFCorrT1,pPFCorrT2);
//double pTKVal2_2 = correlatedSeed(pTKSigma2_2*pScale,lTKU1U2,lPFTKU2,lPFTKU1M,pTKCorrT2,pTKCorrT1,pPFCorrT2,pPFCorrT1);
pPFU1 = (pPFVal0 < pPFFrac1)*(pPFVal1_1+pPFU1);//+(pPFVal0 > pPFFrac1)*(pPFVal1_2+pPFU1);
pPFU2 = (pPFVal1 < pPFFrac2)*(pPFVal2_1+pPFU2);//+(pPFVal1 > pPFFrac2)*(pPFVal2_2+pPFU2);
pTKU1 = (pTKVal0 < pTKFrac1)*(pTKVal1_1+pTKU1);//+(pTKVal0 > pTKFrac1)*(pTKVal1_2+pTKU1);
pTKU2 = (pTKVal1 < pTKFrac2)*(pTKVal2_1+pTKU2);//+(pTKVal1 > pTKFrac2)*(pTKVal2_2+pTKU2);
iPFMet = calculate(0,iLepPt,iLepPhi,iGenPhi,pPFU1,pPFU2);
iPFMPhi = calculate(1,iLepPt,iLepPhi,iGenPhi,pPFU1,pPFU2);
iTKMet = calculate(0,iLepPt,iLepPhi,iGenPhi,pTKU1,pTKU2);
iTKMPhi = calculate(1,iLepPt,iLepPhi,iGenPhi,pTKU1,pTKU2);
iU1 = pTKU1;
iU2 = pTKU2;
return;
//Not used right now
//iPFTKU2Corr->Eval(0);
//iPFTKU1MCorr.Eval(0);
//iPFTKU2MCorr.Eval(0);
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::calculate(int iMet,double iEPt,double iEPhi,double iWPhi,double iU1,double iU2) {
double lMX = -iEPt*cos(iEPhi) - iU1*cos(iWPhi) + iU2*sin(iWPhi);
double lMY = -iEPt*sin(iEPhi) - iU1*sin(iWPhi) - iU2*cos(iWPhi);
if(iMet == 0) return sqrt(lMX*lMX + lMY*lMY);
if(iMet == 1) {if(lMX > 0) {return atan(lMY/lMX);} return (fabs(lMY)/lMY)*3.14159265 + atan(lMY/lMX); }
if(iMet == 2) return lMX;
if(iMet == 3) return lMY;
return lMY;
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::getCorError2(double iVal,TF1 *iFit) {
double lE = sqrt(iFit->GetParError(0)) + iVal*sqrt(iFit->GetParError(2));
if(fabs(iFit->GetParError(4)) > 0) lE += iVal*iVal*sqrt(iFit->GetParError(4));
return lE*lE;
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::getError2(double iVal,TF1 *iFit) {
//return iFit->GetParError(0);
double lE2 = iFit->GetParError(0) + iVal*iFit->GetParError(1) + iVal*iVal*iFit->GetParError(2);
if(fabs(iFit->GetParError(3)) > 0) lE2 += iVal*iVal*iVal* iFit->GetParError(3);
if(fabs(iFit->GetParError(4)) > 0) lE2 += iVal*iVal*iVal*iVal*iFit->GetParError(4);
if(fabs(iFit->GetParError(5)) > 0 && iFit->GetParameter(3) == 0) lE2 += iVal*iVal* iFit->GetParError(5);
if(fabs(iFit->GetParError(5)) > 0 && iFit->GetParameter(3) != 0) lE2 += iVal*iVal*iVal*iVal*iVal*iFit->GetParError(5);
if(fabs(iFit->GetParError(6)) > 0) lE2 += iVal*iVal*iVal*iVal*iVal*iVal*iFit->GetParError(6);
return lE2;
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::getError(double iVal,TF1 *iFit,Recoil iType) {
if(fId == 0) return sqrt(getError2(iVal,iFit));
if(fId != 2) return sqrt(getError2(iVal,iFit));
double lEW2 = getError2(iVal,iFit);
double lEZD2 = getError2(iVal,getFunc(true ,iType));
double lEZM2 = getError2(iVal,getFunc(false,iType));
double lZDat = getFunc(true ,iType)->Eval(iVal);
double lZMC = getFunc(false,iType)->Eval(iVal);
double lWMC = iFit ->Eval(iVal);
if(iType == PFU1) lZDat-=iVal;
if(iType == PFU1) lZMC -=iVal;
if(iType == PFU1) lWMC -=iVal;
double lR = lZDat/lZMC;
double lER = lR*lR/lZDat/lZDat*lEZD2 + lR*lR/lZMC/lZMC*lEZM2;
double lVal = lR*lR*lEW2 + lWMC*lWMC*lER;
//cout << "====> Error Data : "<< lEZD2 << " MC : " << lEZM2 << " -- Rat " << lR << " -- DatV " << lZDat << " -- MCV " << lZMC << " -- " << lWMC << " -- Total " << sqrt(lER) << " -- W : " << lEW2 << " -- All : " << lVal << " -- " << sqrt(lVal)<< endl;
return sqrt(lVal);
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::mag(double iV0,double iV1,double iV2,double iV3) {
return sqrt(iV0+iV1*iV1+2*iV1*0.88 + iV2*iV2+2.*iV2*0.88+ iV3*iV3+2.*iV3*0.88);//
//return sqrt(iV0*iV0 + iV1*iV1 + iV2*iV2 + iV3*iV3);
}
//-----------------------------------------------------------------------------------------------------------------------------------------
double RecoilCorrector::correlatedSeed(double iVal, double iCorr1,double iCorr2,double iCorr3,double iSeed0,double iSeed1,double iSeed2,double iSeed3) {
double lMag = mag(1.,iCorr1,iCorr2,iCorr3);
//double lVal = ((1./lMag)*iSeed0 + (iCorr1/lMag)*iSeed1 + (iCorr2/lMag)*iSeed2 + (iCorr3/lMag)*iSeed3)*iVal;
double lVal = ((1./lMag) + (iCorr1/lMag)*(iSeed1) + (iCorr2/lMag)*fabs(iSeed2) + (iCorr3/lMag)*fabs(iSeed3))*iVal;
lVal*=iSeed0;
return lVal;
}
double RecoilCorrector::deCorrelate(double iVal, double iCorr1,double iCorr2,double iCorr3,double iSeed0,double iSeed1,double iSeed2,double iSeed3) {
double lMag = mag(1.,iCorr1,iCorr2,iCorr3);
double lVal = (1 - iCorr1*fabs(iSeed1) - iCorr2*fabs(iSeed2) - iCorr3*fabs(iSeed3))*lMag;
return lVal*iVal*iSeed0;
}
//a = 1/m + 1/m b'
//b = 1/m + 1/m a'