TtresNeutrinoBuilder.h

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/*
   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 */
 
#ifndef TtresNeutrinoBuilder_H
#define TtresNeutrinoBuilder_H 1
 
#include <iostream>
#include <string>
 
// ROOT classes
#include "TLorentzVector.h"
#include <TMinuit.h>
#include <TUUID.h>
 
class TtresNeutrinoBuilder {
public:
  TtresNeutrinoBuilder(std::string units);
  virtual ~TtresNeutrinoBuilder();
  TtresNeutrinoBuilder(const TtresNeutrinoBuilder&);
  TtresNeutrinoBuilder& operator = (const TtresNeutrinoBuilder&);
 
  inline void setdebuglevel(int level) {m_debug = level;};
 
  Double_t getDiscriminant(const TLorentzVector*, const Double_t, const Double_t);
  // In case of negative discriminant, decrease the MET
  bool candidatesFromWMass_Scaling(const TLorentzVector*, double, Double_t, std::vector<TLorentzVector*>&);
  std::vector<TLorentzVector*> candidatesFromWMass_Scaling(const TLorentzVector*, const Double_t, const Double_t);
  std::vector<TLorentzVector*> candidatesFromWMass_Scaling(const TLorentzVector*, const TLorentzVector*);
  // In case of negative discriminant, rotate the MET
  std::vector<TLorentzVector*> candidatesFromWMass_Rotation(const TLorentzVector*, const Double_t, const Double_t,
                                                            const bool);
  std::vector<TLorentzVector*> candidatesFromWMass_Rotation(const TLorentzVector*, const TLorentzVector*, const bool);
  // In case of negative discriminant, use the real part
  std::vector<TLorentzVector*> candidatesFromWMass_RealPart(const TLorentzVector*, const Double_t, const Double_t,
                                                            const bool);
  std::vector<TLorentzVector*> candidatesFromWMass_RealPart(const TLorentzVector*, const TLorentzVector*, const bool);
protected:
  double fitAlpha(const TLorentzVector*, const Double_t, const Double_t);
  int m_debug;
  double m_Units;
};
 
#endif