RapReweightUserHook Class Reference

#include <ReweightUserHooks.h>

Inheritance diagram for RapReweightUserHook:

Public Member Functions
double	biasSelectionBy (const Pythia8::SigmaProcess *sigmaProcessPtr, const Pythia8::PhaseSpace *phaseSpacePtr, bool inEvent) override
bool	canBiasSelection () override
	RapReweightUserHook (const std::string &_yLabsigma_func, double _yLab_power, const std::string &_yCMsigma_func, double _yCM_power, double _pTHatMin, double _pTHatMax)
	~RapReweightUserHook () override

Private Attributes
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 67 of file ReweightUserHooks.h.

Constructor & Destructor Documentation

RapReweightUserHook()

RapReweightUserHook::RapReweightUserHook ( const std::string &  _yLabsigma_func, double  _yLab_power, const std::string &  _yCMsigma_func, double  _yCM_power, double  _pTHatMin, double  _pTHatMax  )

inline

Definition at line 69 of file ReweightUserHooks.h.

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

References pTHatMax, pTHatMin, yCMsigma, yLabsigma, and yLabsigma_func.

~RapReweightUserHook()

RapReweightUserHook::~RapReweightUserHook ( )

inlineoverride

Definition at line 85 of file ReweightUserHooks.h.

{}

Member Function Documentation

biasSelectionBy()

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

inlineoverride

Definition at line 89 of file ReweightUserHooks.h.

                                                {
    //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 = exp(pow(fabs(yLab), yLab_power) / (2 * sigmaLab * sigmaLab) +
                    pow(fabs(yCM), yCM_power) / (2 * sigmaCM * sigmaCM));
      return selBias;
    }
    selBias = 1.;
    return selBias;
  }

References JetChargeProducer_cfi::exp, dqm-mbProfile::log, funct::pow(), testProducerWithPsetDescEmpty_cfi::x1, testProducerWithPsetDescEmpty_cfi::x2, yCM_power, yCMsigma, yLab_power, and yLabsigma.

canBiasSelection()

bool RapReweightUserHook::canBiasSelection ( )

inlineoverride

Definition at line 87 of file ReweightUserHooks.h.

{ return true; }

Member Data Documentation

pTHatMax

double RapReweightUserHook::pTHatMax

private

Definition at line 112 of file ReweightUserHooks.h.

Referenced by RapReweightUserHook().

pTHatMin

double RapReweightUserHook::pTHatMin

private

Definition at line 112 of file ReweightUserHooks.h.

Referenced by RapReweightUserHook().

yCM_power

double RapReweightUserHook::yCM_power

private

Definition at line 112 of file ReweightUserHooks.h.

Referenced by biasSelectionBy().

yCMsigma

TF1 RapReweightUserHook::yCMsigma

private

Definition at line 113 of file ReweightUserHooks.h.

Referenced by biasSelectionBy(), and RapReweightUserHook().

yCMsigma_func

std::string RapReweightUserHook::yCMsigma_func

private

Definition at line 111 of file ReweightUserHooks.h.

yLab_power

double RapReweightUserHook::yLab_power

private

Definition at line 112 of file ReweightUserHooks.h.

Referenced by biasSelectionBy().

yLabsigma

TF1 RapReweightUserHook::yLabsigma

private

Definition at line 113 of file ReweightUserHooks.h.

Referenced by biasSelectionBy(), and RapReweightUserHook().

yLabsigma_func

std::string RapReweightUserHook::yLabsigma_func

private

Definition at line 111 of file ReweightUserHooks.h.

Referenced by RapReweightUserHook().