JetParticleCenterOfMassAssociation.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
// author: jie.yu@cern.ch
 
#ifndef PARTICLEJETTOOLS_JETPARTICLECENTEROFMASSASSOCIATION_H
#define PARTICLEJETTOOLS_JETPARTICLECENTEROFMASSASSOCIATION_H
 
#include "ParticleJetTools/JetParticleAssociation.h"
 
#include <vector>
#include <string>
 
class JetParticleCenterOfMassAssociation : public JetParticleAssociation {
    ASG_TOOL_CLASS(JetParticleCenterOfMassAssociation, IJetDecorator)
    public:
 
        JetParticleCenterOfMassAssociation(const std::string& name);
 
        virtual const std::vector<std::vector<ElementLink<xAOD::IParticleContainer> > >*
            match(const xAOD::JetContainer&, const xAOD::IParticleContainer&) const override;
 
        inline double getAngleSize(const double& par_R) const{ 
            double result = acos(1-par_R*0.5);
            return result;
        }
 
 
    private:
        double m_partMatchCone;
        double m_parentJetCone;
};
 
#endif