W pliku BeamTestPrimaryGeneratorAction.cc         (zmiany kolorem czerwonym)
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BeamTestPrimaryGeneratorAction::BeamTestPrimaryGeneratorAction()
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G4String particleName;
 
  G4ParticleDefinition* particle = particleTable->FindParticle(particleName="e-");

 // G4ParticleDefinition* particle = particleTable->FindParticle(particleName="gamma");
 // G4ParticleDefinition* particle = particleTable->FindParticle(particleName="mu-");
 // G4ParticleDefinition* particle = particleTable->FindParticle(particleName="proton");
  particleGun->SetParticleDefinition(particle);
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