G4HadronElasticPhysicsHP.cc

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// $Id: G4HadronElasticPhysicsHP.cc 93877 2015-11-03 08:17:08Z gcosmo $
//
//---------------------------------------------------------------------------
//
// 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 "G4HadronElasticPhysics.hh"
#include "G4Neutron.hh"
#include "G4HadronicProcess.hh"
#include "G4HadronElastic.hh"
#include "G4ParticleHPElastic.hh"
#include "G4ParticleHPElasticData.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4HadronElasticPhysicsHP);

G4ThreadLocal G4bool G4HadronElasticPhysicsHP::wasActivated = false;
G4ThreadLocal G4HadronElasticPhysics* G4HadronElasticPhysicsHP::mainElasticBuilder = 0;

G4HadronElasticPhysicsHP::G4HadronElasticPhysicsHP(G4int ver)
  : G4VPhysicsConstructor("hElasticWEL_CHIPS_HP"), verbose(ver)
{
  if(verbose > 1) { 
    G4cout << "### G4HadronElasticPhysicsHP: " << GetPhysicsName() 
     << G4endl; 
  }
  mainElasticBuilder = new G4HadronElasticPhysics(verbose);
}

G4HadronElasticPhysicsHP::~G4HadronElasticPhysicsHP()
{
  delete mainElasticBuilder;
}

void G4HadronElasticPhysicsHP::ConstructParticle()
{
  // G4cout << "G4HadronElasticPhysics::ConstructParticle" << G4endl;
  mainElasticBuilder->ConstructParticle();
}

void G4HadronElasticPhysicsHP::ConstructProcess()
{
  if(wasActivated) { return; }
  wasActivated = true;
  //Needed because this is a TLS object and this method is called by all threads
  if ( ! mainElasticBuilder ) mainElasticBuilder = new G4HadronElasticPhysics(verbose);
  mainElasticBuilder->ConstructProcess();

  mainElasticBuilder->GetNeutronModel()->SetMinEnergy(19.5*MeV);

  G4HadronicProcess* hel = mainElasticBuilder->GetNeutronProcess();
  G4ParticleHPElastic* hp = new G4ParticleHPElastic();
  hel->RegisterMe(hp);
  hel->AddDataSet(new G4ParticleHPElasticData());

  if(verbose > 1) {
    G4cout << "### HadronElasticPhysicsHP is constructed " 
     << G4endl;
  }
}