d3/d27/PHG4IonGun_8h_source.html

// Tell emacs that this is a C++ source

//  -*- C++ -*-.

#ifndef G4MAIN_PHG4IONGUN_H

#define G4MAIN_PHG4IONGUN_H


#include "PHG4ParticleGeneratorBase.h"


#include <cmath>

#include <string>


class PHG4Particle;

class PHCompositeNode;


class PHG4IonGun : public PHG4ParticleGeneratorBase

{

 public:

  PHG4IonGun(const std::string &name = "PHG4IONGUN");

  ~PHG4IonGun() override {}

  int process_event(PHCompositeNode *topNode) override;

  void SetA(const int a) { A = a; }

  void SetZ(const int z) { Z = z; }

  void SetCharge(const int c);

  void ExcitEnergy(const double e) { excitEnergy = e; }

  void SetMom(const double px, const double py, const double pz);

  void Print(const std::string &what = "ALL") const override;


 private:

  void UpdateParticle();

  PHG4Particle *ion = nullptr;

  int A = 0;

  int Z = 0;

  double mom[3] = {NAN, NAN, NAN};

  int ioncharge = 0;

  double excitEnergy = 0.;

};


#endif