PtHatRapReweightUserHook Class Reference

#include <ReweightUserHooks.h>

Inheritance diagram for PtHatRapReweightUserHook:

Public Member Functions
virtual double	biasSelectionBy (const Pythia8::SigmaProcess *sigmaProcessPtr, const Pythia8::PhaseSpace *phaseSpacePtr, bool inEvent)
virtual bool	canBiasSelection ()
	PtHatRapReweightUserHook (const std::string &_yLabsigma_func, double _yLab_power, const std::string &_yCMsigma_func, double _yCM_power, double _pTHatMin, double _pTHatMax, double _pt=15, double _power=4.5)
virtual	~PtHatRapReweightUserHook ()

Private Attributes
double	power
double	pt
double	pTHatMax
double	pTHatMin
double	yCM_power
TF1	yCMsigma
std::string	yCMsigma_func
double	yLab_power
TF1	yLabsigma
std::string	yLabsigma_func

Detailed Description

Definition at line 76 of file ReweightUserHooks.h.

Constructor & Destructor Documentation

PtHatRapReweightUserHook::PtHatRapReweightUserHook ( const std::string &  _yLabsigma_func, double  _yLab_power, const std::string &  _yCMsigma_func, double  _yCM_power, double  _pTHatMin, double  _pTHatMax, double  _pt = 15, double  _power = 4.5  )

inline

Definition at line 79 of file ReweightUserHooks.h.

                                                                   :
      yLabsigma_func(_yLabsigma_func), yCMsigma_func(_yCMsigma_func),
      yLab_power(_yLab_power), yCM_power(_yCM_power),
      pTHatMin(_pTHatMin), pTHatMax(_pTHatMax), pt(_pt), power(_power)
    {
      // empirical parametrizations defined in configuration file
      yLabsigma = TF1("yLabsigma", yLabsigma_func.c_str(), pTHatMin, pTHatMax);
      yCMsigma = TF1("yCMsigma", yLabsigma_func.c_str(), pTHatMin, pTHatMax);
    }

virtual PtHatRapReweightUserHook::~PtHatRapReweightUserHook ( )

inlinevirtual

Definition at line 91 of file ReweightUserHooks.h.

{}

Member Function Documentation

virtual double PtHatRapReweightUserHook::biasSelectionBy ( const Pythia8::SigmaProcess *  sigmaProcessPtr, const Pythia8::PhaseSpace *  phaseSpacePtr, bool  inEvent  )

inlinevirtual

Definition at line 95 of file ReweightUserHooks.h.

References JetChargeProducer_cfi::exp, cmsBatch::log, funct::pow(), PtHatReweightUserHook::power, and PtHatReweightUserHook::pt.

    {
      //the variable selBias of the base class should be used;
      if ((sigmaProcessPtr->nFinal() == 2)) {
        double x1 = phaseSpacePtr->x1();
        double x2 = phaseSpacePtr->x2();
        double yLab = 0.5*log(x1/x2);
        double yCM = 0.5*log( phaseSpacePtr->tHat() / phaseSpacePtr->uHat() );
        double pTHat = phaseSpacePtr->pTHat();
        double sigmaLab = yLabsigma.Eval(pTHat);
        double sigmaCM = yCMsigma.Eval(pTHat);
        // empirical reweighting function
        selBias = pow(pTHat / pt, power) * exp( pow(fabs(yLab),yLab_power)/(2*sigmaLab*sigmaLab) + 
                  pow(fabs(yCM),yCM_power)/(2*sigmaCM*sigmaCM) );
        return selBias;
      }
      selBias = 1.;
      return selBias;
    }

virtual bool PtHatRapReweightUserHook::canBiasSelection ( )

inlinevirtual

Definition at line 93 of file ReweightUserHooks.h.

{ return true; }

Member Data Documentation

double PtHatRapReweightUserHook::power

private

Definition at line 118 of file ReweightUserHooks.h.

double PtHatRapReweightUserHook::pt

private

Definition at line 118 of file ReweightUserHooks.h.

Referenced by Particle.Particle::__str__(), ZMuMuRochCorAnalyzer.DiMuon::__str__(), DiObject.DiMuon::__str__(), Photon.Photon::calScaledIsoValueExp(), Photon.Photon::calScaledIsoValueLin(), Photon.Photon::calScaledIsoValueQuadr(), Electron.Electron::mvaIDLoose(), Electron.Electron::mvaIDRun2(), Electron.Electron::mvaIDTight(), Electron.Electron::ptErr(), Lepton.Lepton::relIso(), Lepton.Lepton::relIsoFromEA(), Lepton.Lepton::relIsoR(), and Jet.Jet::setCorrP4().

double PtHatRapReweightUserHook::pTHatMax

private

Definition at line 118 of file ReweightUserHooks.h.

double PtHatRapReweightUserHook::pTHatMin

private

Definition at line 118 of file ReweightUserHooks.h.

double PtHatRapReweightUserHook::yCM_power

private

Definition at line 118 of file ReweightUserHooks.h.

TF1 PtHatRapReweightUserHook::yCMsigma

private

Definition at line 119 of file ReweightUserHooks.h.

std::string PtHatRapReweightUserHook::yCMsigma_func

private

Definition at line 117 of file ReweightUserHooks.h.

double PtHatRapReweightUserHook::yLab_power

private

Definition at line 118 of file ReweightUserHooks.h.

TF1 PtHatRapReweightUserHook::yLabsigma

private

Definition at line 119 of file ReweightUserHooks.h.

std::string PtHatRapReweightUserHook::yLabsigma_func

private

Definition at line 117 of file ReweightUserHooks.h.