/data/refman/pasoursint/CMSSW_5_3_0/src/TrackingTools/MaterialEffects/interface/EnergyLossUpdator.h

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#ifndef _CR_ENERGYLOSSUPDATOR_H_
#define _CR_ENERGYLOSSUPDATOR_H_

#include "TrackingTools/MaterialEffects/interface/MaterialEffectsUpdator.h"
#include "DataFormats/GeometryVector/interface/LocalVector.h"
#include "FWCore/Utilities/interface/Visibility.h"

class MediumProperties;

class EnergyLossUpdator : public MaterialEffectsUpdator 
{
 public:
  virtual EnergyLossUpdator* clone() const {
    return new EnergyLossUpdator(*this);
  }

public:
  EnergyLossUpdator( double mass ) :
    MaterialEffectsUpdator(mass) {}

private:
  // here comes the actual computation of the values
  virtual void compute (const TrajectoryStateOnSurface&, 
                        const PropagationDirection) const dso_internal;
  // Internal routine for ionization acc. to Bethe-Bloch
  void computeBetheBloch (const LocalVector&, const MediumProperties&) const dso_internal;
  // Internal routine for energy loss by electrons due to radiation
  void computeElectrons (const LocalVector&, const MediumProperties&,
                         const PropagationDirection) const dso_internal;

};

#endif