G4HadronDElasticPhysics.cc

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//---------------------------------------------------------------------------
//
// ClassName:   G4HadronDElasticPhysics
//
// Author: 11 April 2006 V. Ivanchenko
//
// Modified:
// 05.07.2006 V.Ivanchenko define process by particle name; 
//                         fix problem of initialisation of HP
// 24.07.2006 V.Ivanchenko add G4NeutronHPElasticData 
// 10.08.2006 V.Ivanchenko separate neutrons from other particles
// 17.11.2006 V.Ivanchenko do not redefine G4HadronElastic default parameters
// 19.02.2007 V.Ivanchenko set QModelLowLimit and LowestEnergyLimit to zero
// 19.02.2007 A.Howard set QModelLowLimit and LowestEnergyLimit to zero 
//                     for neutrons
// 06.03.2007 V.Ivanchenko use updated interface to G4UElasticCrossSection
// 03.06.2010 V.Ivanchenko cleanup constructors and ConstructProcess method
//
//----------------------------------------------------------------------------
//
// Diffuse optical model for sampling scattering
// BBG cross sections for p, pi+-
// XS cross sections for n
// LHEP cross sections for other particles
 
#include "G4HadronDElasticPhysics.hh"
 
#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4HadronicProcess.hh"
 
#include "G4MesonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4IonConstructor.hh"
#include "G4Neutron.hh"
 
#include "G4HadronElasticProcess.hh"
#include "G4HadronElastic.hh"
#include "G4ElasticHadrNucleusHE.hh"
#include "G4AntiNuclElastic.hh"
 
#include "G4BGGNucleonElasticXS.hh"
#include "G4BGGPionElasticXS.hh"
#include "G4NeutronElasticXS.hh"
 
#include "G4ComponentGGHadronNucleusXsc.hh"
#include "G4ComponentGGNuclNuclXsc.hh"
#include "G4CrossSectionDataSetRegistry.hh"
 
#include "G4ChipsKaonPlusElasticXS.hh"
#include "G4ChipsKaonMinusElasticXS.hh"
#include "G4ChipsKaonZeroElasticXS.hh"
 
#include "G4CrossSectionElastic.hh"
#include "G4DiffuseElastic.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4HadronDElasticPhysics);
 
G4HadronDElasticPhysics::G4HadronDElasticPhysics(G4int ver)
  : G4VPhysicsConstructor("hElasticDIFFUSE"), verbose(ver)
{
  if(verbose > 1) { 
    G4cout << "### G4HadronDElasticPhysics: " << GetPhysicsName() 
       << G4endl; 
  }
}
 
G4HadronDElasticPhysics::~G4HadronDElasticPhysics()
{}
 
void G4HadronDElasticPhysics::ConstructParticle()
{
  // G4cout << "G4HadronDElasticPhysics::ConstructParticle" << G4endl;
  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();
 
  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();
 
  //  Construct light ions
  G4IonConstructor pConstructor;
  pConstructor.ConstructParticle();  
}
 
void G4HadronDElasticPhysics::ConstructProcess()
{
  const G4double elimitAntiNuc = 100.1*MeV;
  if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics Construct Processes " 
       << " for anti-neuclei " 
       << elimitAntiNuc/GeV << " GeV"      << G4endl;
  }
 
  G4AntiNuclElastic* anuc = new G4AntiNuclElastic();
  anuc->SetMinEnergy(elimitAntiNuc);
  G4CrossSectionElastic* anucxs = 
    new G4CrossSectionElastic(anuc->GetComponentCrossSection());
 
  G4VCrossSectionDataSet* theComponentGGHadronNucleusData = 
    new G4CrossSectionElastic( new G4ComponentGGHadronNucleusXsc );
 
  G4VCrossSectionDataSet* theComponentGGNuclNuclData = 
    new G4CrossSectionElastic( new G4ComponentGGNuclNuclXsc );
 
  G4HadronElastic* lhep0 = new G4HadronElastic();
  G4HadronElastic* lhep1 = new G4HadronElastic();
  lhep1->SetMaxEnergy(10.1*MeV);
  G4HadronElastic* lhep2 = new G4HadronElastic();
  lhep2->SetMaxEnergy(elimitAntiNuc);
 
  G4DiffuseElastic* model = nullptr;
  G4HadronElasticProcess* hel = nullptr;
 
  auto myParticleIterator=GetParticleIterator();
  myParticleIterator->reset();
  while( (*myParticleIterator)() )
  {
    G4ParticleDefinition* particle = myParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String pname = particle->GetParticleName();
    if(pname == "anti_lambda"  ||
       pname == "anti_omega-"  || 
       pname == "anti_sigma-"  || 
       pname == "anti_sigma0"  || 
       pname == "anti_sigma+"  || 
       pname == "anti_xi-"     || 
       pname == "anti_xi0"     || 
       pname == "lambda"       || 
       pname == "omega-"       || 
       pname == "sigma-"       || 
       pname == "sigma0"       ||
       pname == "sigma+"       || 
       pname == "xi-"          ||       
       pname == "xi0"
      ) {
      
      hel = new G4HadronElasticProcess();
      hel->RegisterMe(lhep0);
      hel->AddDataSet( theComponentGGHadronNucleusData );
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if(pname == "proton") {   
 
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
      model = new G4DiffuseElastic();
      hel->RegisterMe(lhep1);
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(pname == "neutron") {   
 
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4NeutronElasticXS());
      model = new G4DiffuseElastic();
      hel->RegisterMe(lhep1);
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics: " 
           << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if (pname == "pi+" || pname == "pi-") { 
 
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4BGGPionElasticXS(particle));
      model = new G4DiffuseElastic();
      hel->RegisterMe(lhep1);
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(pname == "kaon-"     || 
          pname == "kaon+"     || 
          pname == "kaon0S"    || 
          pname == "kaon0L" 
          ) {
      
      hel = new G4HadronElasticProcess();
              model = new G4DiffuseElastic();
      hel->RegisterMe(lhep1);
      hel->RegisterMe(model);
      hel->AddDataSet( theComponentGGHadronNucleusData );
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(pname == "alpha"     ||
              pname == "deuteron"  ||
              pname == "triton"    ||
              pname == "He3"
             ) {
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(theComponentGGNuclNuclData);
      hel->RegisterMe(lhep0);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if(
       pname == "anti_neutron"   ||
       pname == "anti_proton"    || 
       pname == "anti_alpha"     ||
       pname == "anti_deuteron"  ||
       pname == "anti_triton"    ||
       pname == "anti_He3"       ) {
 
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(anucxs);
      hel->RegisterMe(lhep2);
      hel->RegisterMe(anuc);
      pmanager->AddDiscreteProcess(hel);
    }
  }
  if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics Construct Processes " << G4endl;
  }
}