ApproximateTrackToLayerTool.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGEFMISSINGET_APPROXIMATETRACKTOLAYERTOOL_H
#define TRIGEFMISSINGET_APPROXIMATETRACKTOLAYERTOOL_H
 
#include "TrigEFMissingET/IExtendTrackToLayerTool.h"
#include "AsgTools/AsgTool.h"
 
class ApproximateTrackToLayerTool : public virtual IExtendTrackToLayerTool, public asg::AsgTool
{
public:
  ASG_TOOL_CLASS(ApproximateTrackToLayerTool, IExtendTrackToLayerTool)
 
  ApproximateTrackToLayerTool(const std::string &name);
 
  virtual TrackExtension extendTrack(
      const EventContext &,
      const xAOD::TrackParticle &track) const override;
 
private:
  // Extrapolation approximation taken from ATL-COM-PHYS-2016-430
  Gaudi::Property<double> m_trackExtrapolationQuartic{
      this, "TrackExtrapolationQuarticTerm", 14.6027571,
      "The quartic term in the track extrapolation"};
  Gaudi::Property<double> m_trackExtrapolationQuadratic{
      this, "TrackExtrapolationQuadraticTerm", -44.7818374,
      "The quadratic term in the track extrapolation"};
  Gaudi::Property<double> m_trackExtrapolationLinear{
      this, "TrackExtrapolationLinearTerm", 540.656643,
      "The linear term in the track extrapolation"};
}; //> end class ApproximateTrackToLayerTool
 
#endif //> !TRIGEFMISSINGET_APPROXIMATETRACKTOLAYERTOOL_H