BPhysConversionFinder.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
// BPhysConversionFinder.h, (c) ATLAS Detector software
// Author: A. Chisholm <andrew.chisholm@cern.ch>
#ifndef DERIVATIONFRAMEWORK_BPHYSCONVERSIONFINDER_H
#define DERIVATIONFRAMEWORK_BPHYSCONVERSIONFINDER_H
 
#include <string>
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
#include "DerivationFrameworkInterfaces/IAugmentationTool.h"
 
#include "InDetConversionFinderTools/VertexPointEstimator.h"
#include "InDetConversionFinderTools/ConversionPostSelector.h"
#include "TrkVertexSeedFinderUtils/ITrkDistanceFinder.h"
 
class TLorentzVector;
 
namespace Trk
{
    class V0Tools;
    class IVertexFitter;
    class TrkVKalVrtFitter;
}
 
 
namespace DerivationFramework {
 
class BPhysConversionFinder : public AthAlgTool, public IAugmentationTool {
 
    public:
 
        BPhysConversionFinder(const std::string& t, const std::string& n, const IInterface* p);
 
        StatusCode initialize() override;
        StatusCode finalize() override;
 
        virtual StatusCode addBranches() const override;
 
    private:
 
        StatusCode doCascadeFit(const xAOD::Vertex * diMuonVertex, const xAOD::Vertex * convVertex, const double diMuonMassConstraint, TLorentzVector & fitMom, float & chiSq) const;
 
        std::string m_diMuonCollectionToCheck;
        std::vector<std::string> m_passFlagsToCheck;
 
        ToolHandle <Trk::V0Tools> m_v0Tools;
        ToolHandle <Trk::IVertexFitter> m_vertexFitter;
        ToolHandle <InDet::VertexPointEstimator> m_vertexEstimator;
        ToolHandle <Trk::ITrkDistanceFinder> m_distanceTool;
        ToolHandle <InDet::ConversionPostSelector> m_postSelector;
        ToolHandle <Trk::TrkVKalVrtFitter > m_cascadeFitter;
 
        std::string m_inputTrackParticleContainerName;
        std::string m_conversionContainerName;
 
        float m_maxDistBetweenTracks;
        float m_maxDeltaCotTheta;
 
        bool m_requireDeltaM;
        float m_maxDeltaM;
 
  };
}
 
#endif // DERIVATIONFRAMEWORK_BPhysConversionFinder_H