/data/refman/pasoursint/CMSSW_5_3_1/src/FastSimulation/MaterialEffects/interface/BremsstrahlungSimulator.h

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#ifndef BREMSSTRAHLUNGSIMULATOR_H
#define BREMSSTRAHLUNGSIMULATOR_H

#include "FastSimulation/MaterialEffects/interface/MaterialEffectsSimulator.h"

class ParticlePropagator;
class RandomEngine;

class BremsstrahlungSimulator : public MaterialEffectsSimulator
{
 public:

  BremsstrahlungSimulator(double photonEnergyCut, 
                          double photonFractECut,
                          const RandomEngine* engine); 

  ~BremsstrahlungSimulator() {}

 private:
  
  double photonEnergy;

  double photonFractE;

  double xmin;

  unsigned int poisson(double ymu);

  void compute(ParticlePropagator &Particle);

  XYZTLorentzVector brem(ParticlePropagator& p) const;

  double gbteth(const double ener,
                const double partm,
                const double efrac) const;

};
#endif