CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass Class Reference

Collaboration diagram for CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass:

Public Member Functions
	EfficiencyMethodBJetBasedClass (const nlohmann::json &jsonConfig)
double	getPIneff (const int b_jet_count, const int N_missed, const double SF_eff) const

Private Attributes
std::map< std::string, double >	m_bjetEfficiencyMap {}
int	m_upperboundNbjets = -999

Detailed Description

Definition at line 125 of file SSVWeightsAlg.h.

Constructor & Destructor Documentation

EfficiencyMethodBJetBasedClass()

CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass::EfficiencyMethodBJetBasedClass

(

const nlohmann::json &

jsonConfig

)

Definition at line 611 of file SSVWeightsAlg.cxx.

    : m_bjetEfficiencyMap(jsonConfig["efficiency_bjet_based"])
  {
    // Extract information from JSON file for EfficiencyMethodBJetBased
    std::map<std::string, double>::iterator lastItem = std::prev(m_bjetEfficiencyMap.end());
    std::string lastItemKey = lastItem->first;
    m_upperboundNbjets = std::stoi(lastItemKey);
  }

Member Function Documentation

getPIneff()

double CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass::getPIneff	(	const int	b_jet_count,
		const int	N_missed,
		const double	SF_eff ) const

Definition at line 622 of file SSVWeightsAlg.cxx.

                              {
 
    double P_ineff = 1;  
 
    // Get the value
    double epsilon = 1;
 
    //retrieve efficiency and average number of fake SSV depending on number of jets in event
    if (b_jet_count < m_upperboundNbjets){
      // Build the bjets key string
      std::string bjets_key = std::to_string(b_jet_count) + "_bjets";
      epsilon = m_bjetEfficiencyMap.at(bjets_key);
    }
    else{
      std::string bjets_key = std::to_string(m_upperboundNbjets) + "p_bjets";
      epsilon = m_bjetEfficiencyMap.at(bjets_key);      
    }
 
    P_ineff = std::pow((1-SF_eff*epsilon)/(1-epsilon), N_missed);
 
    return P_ineff;
  }

Member Data Documentation

m_bjetEfficiencyMap

std::map<std::string, double> CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass::m_bjetEfficiencyMap {}

private

Definition at line 133 of file SSVWeightsAlg.h.

{};

m_upperboundNbjets

int CP::SSVWeightsAlg::EfficiencyMethodBJetBasedClass::m_upperboundNbjets = -999

private

Definition at line 134 of file SSVWeightsAlg.h.

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The documentation for this class was generated from the following files:

• SSVWeightsAlg.h
• SSVWeightsAlg.cxx