G4HadronDElasticPhysics.cc

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// $Id$
//
//---------------------------------------------------------------------------
//
// 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 "G4CrossSectionDataSetRegistry.hh"

#include "G4ChipsKaonPlusElasticXS.hh"
#include "G4ChipsKaonMinusElasticXS.hh"
#include "G4ChipsKaonZeroElasticXS.hh"

#include "G4ComponentAntiNuclNuclearXS.hh"  
#include "G4CrossSectionElastic.hh"
#include "G4DiffuseElastic.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4HadronDElasticPhysics);

G4HadronDElasticPhysics::G4HadronDElasticPhysics(G4int ver)
  : G4VPhysicsConstructor("hElasticDIFFUSE"), verbose(ver), 
    wasActivated(false)
{
  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()
{
  if(wasActivated) return;
  wasActivated = true;

  G4double elimitAntiNuc = 100*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());

  G4HadronElastic* lhep0 = new G4HadronElastic();
  G4HadronElastic* lhep2 = new G4HadronElastic();
  lhep2->SetMaxEnergy(elimitAntiNuc);

  G4DiffuseElastic* model = 0;

  theParticleIterator->reset();
  while( (*theParticleIterator)() )
  {
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String pname = particle->GetParticleName();
    if(pname == "anti_lambda"  ||
       pname == "anti_neutron" ||
       pname == "anti_omega-"  || 
       pname == "anti_sigma-"  || 
       pname == "anti_sigma+"  || 
       pname == "anti_xi-"  || 
       pname == "anti_xi0"  || 
       pname == "lambda"    || 
       pname == "omega-"    || 
       pname == "sigma-"    || 
       pname == "sigma+"    || 
       pname == "xi-"       || 
       pname == "alpha"     ||
       pname == "deuteron"  ||
       pname == "triton"    
       ) {
      
      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->RegisterMe(lhep0);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }

    } else if(pname == "proton") {   

      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4BGGNucleonElasticXS(particle));
      //hel->AddDataSet(new G4CHIPSElasticXS());
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }

    } else if(pname == "neutron") {   

      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4NeutronElasticXS());
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronDElasticPhysics: " 
               << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }

    } else if (pname == "pi+" || pname == "pi-") { 

      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4BGGPionElasticXS(particle));
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronDElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }

    } else if(pname == "kaon-") {
      
      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonMinusElasticXS::Default_Name()));
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(pname == "kaon+") {
      
      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonPlusElasticXS::Default_Name()));
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(pname == "kaon0S"    || 
              pname == "kaon0L" 
              ) {
      
      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(G4CrossSectionDataSetRegistry::Instance()->GetCrossSectionDataSet(G4ChipsKaonZeroElasticXS::Default_Name()));
      model = new G4DiffuseElastic();
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
        G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
               << " added for " << particle->GetParticleName() << G4endl;
      }
    } else if(
       pname == "anti_proton"    || 
       pname == "anti_alpha"     ||
       pname == "anti_deuteron"  ||
       pname == "anti_triton"    ||
       pname == "anti_He3"       ) {

      G4HadronElasticProcess* hel = new G4HadronElasticProcess();
      hel->AddDataSet(anucxs);
      hel->RegisterMe(lhep2);
      hel->RegisterMe(anuc);
      pmanager->AddDiscreteProcess(hel);
    }
  }

  //G4double elimit = 1.0*GeV;

  if(verbose > 1) {
    G4cout << "### HadronDElasticPhysics Construct Processes " << G4endl;
  }
}

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