source: trunk/examples/advanced/hadrontherapy/src/HIProtonNeutronPrecompoundGEM.cc@ 1036

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// $Id: HadrontherapyProtonPrecompound.cc; May 2005
// ----------------------------------------------------------------------------
//                 GEANT 4 - Hadrontherapy example
// ----------------------------------------------------------------------------
// Code developed by:
//
// G.A.P. Cirrone(a)*, F. Di Rosa(a), S. Guatelli(b), G. Russo(a)
// 
// (a) Laboratori Nazionali del Sud 
//     of the INFN, Catania, Italy
// (b) INFN Section of Genova, Genova, Italy
// 
// * cirrone@lns.infn.it
// ----------------------------------------------------------------------------

#include "HIProtonNeutronPrecompoundGEM.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ProtonInelasticProcess.hh"
#include "G4NeutronInelasticProcess.hh"
#include "G4HadronCaptureProcess.hh"
#include "G4HadronFissionProcess.hh"
#include "G4ProtonInelasticCrossSection.hh"
#include "G4NeutronInelasticCrossSection.hh"
#include "G4PreCompoundModel.hh"
#include "G4LFission.hh"
#include "G4LCapture.hh"
#include "G4Evaporation.hh"
#include "G4ExcitationHandler.hh"


HIProtonNeutronPrecompoundGEM::HIProtonNeutronPrecompoundGEM(const G4String& name): 
  G4VPhysicsConstructor(name)
{
  G4cout<< "HADRONIC INELASTIC PROCESS(ES): G4XXXInelasticProcess (protons, neutrons)" 
        << G4endl
        << "APPLIED MODEL(S): G4PreCompound" 
        << G4endl
        << "                  combined with GEM Evaporation model" 
        << G4endl;
}

HIProtonNeutronPrecompoundGEM::~HIProtonNeutronPrecompoundGEM()
{}

void HIProtonNeutronPrecompoundGEM::ConstructProcess()
{
  G4ParticleDefinition* particle = 0;
  G4ProcessManager* processManager = 0;


  // ********************************
  // *** Hadrons: Inelastic Model ***
  // ********************************

  G4ExcitationHandler* excitationHandler  = new G4ExcitationHandler();

  G4Evaporation* evaporation =  new G4Evaporation();
  evaporation -> SetGEMChannel();
  excitationHandler -> SetEvaporation(evaporation);

  G4double protonNeutronPrecompoundMinEnergy = 0. * MeV;
  G4double protonNeutronPrecompoundMaxEnergy = 100. * MeV;

  G4PreCompoundModel*  hadronPreCompoundModel = new G4PreCompoundModel(excitationHandler);
  hadronPreCompoundModel -> SetMinEnergy(protonNeutronPrecompoundMinEnergy);
  hadronPreCompoundModel -> SetMaxEnergy(protonNeutronPrecompoundMaxEnergy);


  // **************
  // *** Proton ***
  // **************
  
  G4ProtonInelasticProcess* protonInelasticProcess = new G4ProtonInelasticProcess(); 
  G4ProtonInelasticCrossSection* protonInelasticCrossSection =  new G4ProtonInelasticCrossSection(); 

  protonInelasticProcess -> RegisterMe(hadronPreCompoundModel);
  protonInelasticProcess -> AddDataSet(protonInelasticCrossSection);
   
  particle = G4Proton::Proton();
  processManager = particle -> GetProcessManager();
  processManager -> AddDiscreteProcess(protonInelasticProcess);


  // ***************
  // *** Neutron ***
  // ***************

  G4NeutronInelasticProcess* neutronInelasticProcess = new G4NeutronInelasticProcess;             
  G4NeutronInelasticCrossSection* neutronInelasticCrossSection = new G4NeutronInelasticCrossSection; 
  G4HadronCaptureProcess* neutronCaptureProcess = new G4HadronCaptureProcess();
  G4HadronFissionProcess* neutronFissionProcess = new G4HadronFissionProcess();

  G4double neutronCaptureFissionMinEnergy = 0. * TeV;
  G4double neutronCaptureFissionMaxEnergy = 100. * TeV;

  G4LCapture* neutronCaptureModel = new G4LCapture();
  neutronCaptureModel -> SetMinEnergy(neutronCaptureFissionMinEnergy);
  neutronCaptureModel -> SetMaxEnergy(neutronCaptureFissionMaxEnergy);

  G4LFission* neutronFissionModel = new G4LFission();
  neutronFissionModel -> SetMinEnergy(neutronCaptureFissionMinEnergy);
  neutronFissionModel -> SetMaxEnergy(neutronCaptureFissionMaxEnergy);

  neutronInelasticProcess -> RegisterMe(hadronPreCompoundModel);
  neutronInelasticProcess -> AddDataSet(neutronInelasticCrossSection);
  neutronCaptureProcess -> RegisterMe(neutronCaptureModel);
  neutronFissionProcess -> RegisterMe(neutronFissionModel); 

  particle = G4Neutron::Neutron();
  processManager = particle -> GetProcessManager();
  processManager -> AddDiscreteProcess(neutronInelasticProcess);
  processManager -> AddDiscreteProcess(neutronCaptureProcess); 
  processManager -> AddDiscreteProcess(neutronFissionProcess);   

}