G4HadronElasticPhysicsHP.cc

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//
//---------------------------------------------------------------------------
//
// ClassName:   G4HadronElasticPhysicsHP
//
// Author: 3 June 2010 V. Ivanchenko
//
// Modified:
// 03.06.2011 V.Ivanchenko change design - now first default constructor 
//            is called, HP model and cross section are added on top
//
//----------------------------------------------------------------------------
//
// HP model for n with E < 20 MeV
 
#include "G4HadronElasticPhysicsHP.hh"
#include "G4SystemOfUnits.hh"
#include "G4Neutron.hh"
#include "G4HadronicProcess.hh"
#include "G4HadronElastic.hh"
#include "G4ParticleHPElastic.hh"
#include "G4ParticleHPElasticData.hh"
#include "G4HadronicParameters.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4HadronElasticPhysicsHP);
 
G4HadronElasticPhysicsHP::G4HadronElasticPhysicsHP(G4int ver)
  : G4HadronElasticPhysics(ver, "hElasticWEL_CHIPS_HP")
{
  if ( ver > 1 ) { 
    G4cout << "### G4HadronElasticPhysicsHP: " << GetPhysicsName() 
       << G4endl; 
  }
  auto param = G4HadronicParameters::Instance();
  // HP is inconsistent with the neutron general process
  param->SetEnableNeutronGeneralProcess(false);
}
 
void G4HadronElasticPhysicsHP::ConstructProcess()
{
  G4HadronElasticPhysics::ConstructProcess();
 
  const G4ParticleDefinition* neutron = G4Neutron::Neutron();
  G4HadronElastic* he = GetElasticModel(neutron);
  G4HadronicProcess* hel = GetElasticProcess(neutron);
  if ( nullptr != he && nullptr != hel ) { 
    he->SetMinEnergy(19.5*CLHEP::MeV);
    hel->RegisterMe(new G4ParticleHPElastic());
    hel->AddDataSet(new G4ParticleHPElasticData());
  }
 
  if ( G4HadronicParameters::Instance()->GetVerboseLevel() > 1 ) {
    G4cout << "### HadronElasticPhysicsHP is constructed " 
       << G4endl;
  }
}