Bremsstrahlung.h

Go to the documentation of this file.

#ifndef INCLUDE_EICSMEAR_SMEAR_BREMSSTRAHLUNG_H_
#define INCLUDE_EICSMEAR_SMEAR_BREMSSTRAHLUNG_H_

#include <memory>

#include <TF1.h>

#include "eicsmear/smear/Device.h"
#include "eicsmear/erhic/ParticleMC.h"
#include "eicsmear/smear/ParticleMCS.h"

namespace erhic {

class VirtualParticle;

}  // namespace erhic

namespace Smear {

struct Bremsstrahlung : public Device {
  Bremsstrahlung(double epsilon = 0.01,
                 double traversed = 10.,
                 double radLength = 47.1);

  Bremsstrahlung(const Bremsstrahlung&);

  virtual Bremsstrahlung* Clone(Option_t* option = "not used") const;

  virtual void Smear(const erhic::VirtualParticle&, ParticleMCS&);

 protected:

  double dSigmadK(double* x, double*);

  int NGamma();

  void FixParticleKinematics(ParticleMCS&);

  void SetParticle(const erhic::VirtualParticle&);

  bool SetupPDF();

  std::auto_ptr<erhic::ParticleMC> mParticle;  

  double mKMin;
  double mKMax;
  double mEpsilon;
  double mTraversed;
  double mRadLength;

  TF1* mPdf;  

  ClassDef(Smear::Bremsstrahlung, 1)
};

}  // namespace Smear

#endif  // INCLUDE_EICSMEAR_SMEAR_BREMSSTRAHLUNG_H_