VolumeEnergyLossEstimator.h

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#ifndef _CR_VOLUMEENERGYLOSSESTIMATOR_H_
#define _CR_VOLUMEENERGYLOSSESTIMATOR_H_

#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"
#include "TrackingTools/MaterialEffects/interface/VolumeMaterialEffectsEstimator.h"
#include "FWCore/Utilities/interface/Visibility.h"

class VolumeMaterialEffectsEstimate;
class VolumeMediumProperties;

class VolumeEnergyLossEstimator final : public VolumeMaterialEffectsEstimator
{
public:
  VolumeEnergyLossEstimator ( float mass ) :
    VolumeMaterialEffectsEstimator(mass) {}
  
  ~VolumeEnergyLossEstimator () override {}

  VolumeMaterialEffectsEstimate estimate (const TrajectoryStateOnSurface refTSOS,
                          double pathLength,
                          const VolumeMediumProperties& medium) const override;

  VolumeEnergyLossEstimator* clone()  const override;

private:
  void computeBetheBloch (const LocalVector& localP, double pathLength,
              const VolumeMediumProperties& medium,
              double& deltaP, double& deltaCov00) const dso_internal;
  void computeElectrons (const LocalVector& localP, double pathLength,
             const VolumeMediumProperties& medium,
             double& deltaP, double& deltaCov00) const dso_internal;
};

#endif