G4HadronHElasticPhysics Class Reference

#include <G4HadronHElasticPhysics.hh>

Inheritance diagram for G4HadronHElasticPhysics:

Public Member Functions
	G4HadronHElasticPhysics (G4int ver=0, G4bool diffraction=false)
virtual	~G4HadronHElasticPhysics ()
void	ConstructParticle () override
void	ConstructProcess () override
void	SetDiffraction (G4bool val)
Public Member Functions inherited from G4VPhysicsConstructor
	G4VPhysicsConstructor (const G4String &="")
	G4VPhysicsConstructor (const G4String &name, G4int physics_type)
virtual	~G4VPhysicsConstructor ()
virtual void	ConstructParticle ()=0
virtual void	ConstructProcess ()=0
void	SetPhysicsName (const G4String &="")
const G4String &	GetPhysicsName () const
void	SetPhysicsType (G4int)
G4int	GetPhysicsType () const
void	SetVerboseLevel (G4int value)
G4int	GetVerboseLevel () const
G4int	GetInstanceID () const
virtual void	TerminateWorker ()

Additional Inherited Members
Static Public Member Functions inherited from G4VPhysicsConstructor
static const G4VPCManager &	GetSubInstanceManager ()
Protected Types inherited from G4VPhysicsConstructor
using	PhysicsBuilder_V = G4VPCData::PhysicsBuilders_V
Protected Member Functions inherited from G4VPhysicsConstructor
G4bool	RegisterProcess (G4VProcess *process, G4ParticleDefinition *particle)
G4ParticleTable::G4PTblDicIterator *	GetParticleIterator () const
PhysicsBuilder_V	GetBuilders () const
void	AddBuilder (G4PhysicsBuilderInterface *bld)
Protected Attributes inherited from G4VPhysicsConstructor
G4int	verboseLevel
G4String	namePhysics
G4int	typePhysics
G4ParticleTable *	theParticleTable
G4int	g4vpcInstanceID
Static Protected Attributes inherited from G4VPhysicsConstructor
static G4RUN_DLL G4VPCManager	subInstanceManager

Detailed Description

Definition at line 46 of file G4HadronHElasticPhysics.hh.

Constructor & Destructor Documentation

G4HadronHElasticPhysics()

G4HadronHElasticPhysics::G4HadronHElasticPhysics	(	G4int	ver = 0,
		G4bool	diffraction = false
	)

Definition at line 88 of file G4HadronHElasticPhysics.cc.

  : G4VPhysicsConstructor( "hElastic_BEST" ), verbose( ver ), 
    fDiffraction(diffraction) 
{
  if ( verbose > 1 ) { 
    G4cout << "### G4HadronHElasticPhysics: " << GetPhysicsName() 
       << "  low-mass diffraction: " << fDiffraction << G4endl; 
  }
}

~G4HadronHElasticPhysics()

G4HadronHElasticPhysics::~G4HadronHElasticPhysics ( )

virtual

Definition at line 98 of file G4HadronHElasticPhysics.cc.

{}

Member Function Documentation

ConstructParticle()

void G4HadronHElasticPhysics::ConstructParticle ( )

overridevirtual

Implements G4VPhysicsConstructor.

Definition at line 101 of file G4HadronHElasticPhysics.cc.

                                                {
  // G4cout << "G4HadronElasticPhysics::ConstructParticle" << G4endl;
  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();
 
  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();
 
  //  Construct light ions
  G4IonConstructor pConstructor;
  pConstructor.ConstructParticle();  
}

ConstructProcess()

void G4HadronHElasticPhysics::ConstructProcess ( )

overridevirtual

Implements G4VPhysicsConstructor.

Definition at line 114 of file G4HadronHElasticPhysics.cc.

                                               {
 
  const G4double elimitDiffuse = 0.0;
  const G4double elimitAntiNuc = 100.0*MeV;
  const G4double delta = 0.1*MeV;
 
  if ( verbose > 1 ) {
    G4cout << "### HadronHElasticPhysics::ConstructProcess: lower energy limit for DiffuseElastic : " 
       << elimitDiffuse/GeV << " GeV" << G4endl
           << "                                             transition energy for anti-nuclei : " 
       << elimitAntiNuc/GeV << " GeV" << G4endl;
  }
 
  G4AntiNuclElastic* anuc = new G4AntiNuclElastic();
  anuc->SetMinEnergy( elimitAntiNuc );
  G4CrossSectionElastic* anucxs = 
    new G4CrossSectionElastic( anuc->GetComponentCrossSection() );
 
  G4HadronElastic* lhep = new G4HadronElastic();
  lhep->SetMaxEnergy( elimitAntiNuc + delta );
 
  G4HadronElastic* lhep0 = new G4HadronElastic();
 
  // Three instances of Chips elastic model: one used everywhere,
  // one used below a energy threshold, and one used only for the
  // hydrogen element.
  G4ChipsElasticModel* chips1 = new G4ChipsElasticModel();
  G4ChipsElasticModel* chips2 = new G4ChipsElasticModel();
  chips2->SetMaxEnergy( elimitAntiNuc + delta );
  G4ChipsElasticModel* chipsH = new G4ChipsElasticModel();
  const G4ElementTable* theElementTable = G4Element::GetElementTable();
  for ( size_t i_ele = 0; i_ele < theElementTable->size(); i_ele++ ) {
    G4Element* element = (*theElementTable)[ i_ele ];
    if ( element->GetZ() > 1.0 ) chipsH->DeActivateFor( element );
  }
 
  G4NuclNuclDiffuseElastic* diffuseNuclNuclElastic = new G4NuclNuclDiffuseElastic();
  diffuseNuclNuclElastic->SetMinEnergy( elimitDiffuse );
 
  G4VCrossSectionDataSet* theComponentGGHadronNucleusData = 
    new G4CrossSectionElastic( new G4ComponentGGHadronNucleusXsc );
 
  G4VCrossSectionDataSet* theComponentGGNuclNuclData = 
    new G4CrossSectionElastic( new G4ComponentGGNuclNuclXsc() );
 
  G4LMsdGenerator* diffGen = nullptr;
  if(fDiffraction) {
    diffGen = new G4LMsdGenerator("LMsdDiffraction");
    diffRatio = new G4DiffElasticRatio();
    G4AutoDelete::Register(diffRatio);    
  }
  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_sigma-"  ||
         pname == "anti_sigma0"  || 
         pname == "anti_sigma+"  || 
         pname == "anti_xi-"     || 
         pname == "anti_xi0"     ||
         pname == "anti_omega-"  ||
         pname == "lambda"       || 
         pname == "sigma-"       ||
         pname == "sigma0"       || 
         pname == "sigma+"       || 
         pname == "xi-"          || 
         pname == "xi0"          ||
         pname == "omega-"
    ) {
      hel = new G4HadronElasticProcess();
      hel->AddDataSet( theComponentGGHadronNucleusData );
      hel->RegisterMe( chips1 );
      pmanager->AddDiscreteProcess( hel );
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if ( pname == "proton" ) {   
      hel = new G4HadronElasticProcess();
      hel->AddDataSet( new G4BGGNucleonElasticXS( particle ) );
      // To preserve reproducibility, a different instance of
      // G4DiffuseElastic must be used for each particle type.
      G4DiffuseElastic* protonDiffuseElastic = new G4DiffuseElastic();
      protonDiffuseElastic->SetMinEnergy( elimitDiffuse );
      hel->RegisterMe( chipsH );  // Use Chips only for Hydrogen element
      hel->RegisterMe( protonDiffuseElastic );
      pmanager->AddDiscreteProcess( hel );
      if(fDiffraction) { hel->SetDiffraction(diffGen, diffRatio); }
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if ( pname == "neutron" ) {   
      hel = new G4HadronElasticProcess();
      hel->AddDataSet(new G4NeutronElasticXS() );
      // To preserve reproducibility, a different instance of
      // G4DiffuseElastic must be used for each particle type.
      G4DiffuseElastic* neutronDiffuseElastic = new G4DiffuseElastic();
      neutronDiffuseElastic->SetMinEnergy( elimitDiffuse );
      hel->RegisterMe( chipsH );  // Use Chips only for Hydrogen element
      hel->RegisterMe( neutronDiffuseElastic );
      pmanager->AddDiscreteProcess( hel );
      if(fDiffraction) { hel->SetDiffraction(diffGen, diffRatio); }
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " 
           << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if ( pname == "pi-" || pname == "pi+" ) { 
      hel = new G4HadronElasticProcess();
      hel->AddDataSet( new G4BGGPionElasticXS( particle ) );
      // To preserve reproducibility, a different instance of
      // G4DiffuseElastic must be used for each particle type.
      G4DiffuseElastic* dElastic = new G4DiffuseElastic();
      dElastic->SetMinEnergy( elimitDiffuse );
      hel->RegisterMe( chipsH );  // Use Chips only for Hydrogen element
      hel->RegisterMe( dElastic );
      pmanager->AddDiscreteProcess( hel );
      if(fDiffraction) { hel->SetDiffraction(diffGen, diffRatio); }
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if ( pname == "kaon-"     || 
            pname == "kaon+"     || 
            pname == "kaon0S"    || 
            pname == "kaon0L" 
          ) {
      hel = new G4HadronElasticProcess();
      //AR-14Aug2017 : Replaced Chips elastic kaon cross sections with
      //               Grichine's Glauber-Gribov ones. In this way, the
      //               total (elastic + inelastic) kaon cross sections
      //               are consistent with the PDG ones.
      //               For the time being, kept Chips elastic as
      //               final-state model.
      hel->AddDataSet( theComponentGGHadronNucleusData );
      hel->RegisterMe( chips1 );
      pmanager->AddDiscreteProcess( hel );
      if(fDiffraction) { hel->SetDiffraction(diffGen, diffRatio); }
      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_proton"  ||  pname == "anti_neutron" ) {
      hel = new G4HadronElasticProcess();
      hel->AddDataSet( anucxs );
      hel->RegisterMe( chips2 );
      hel->RegisterMe( anuc );
      pmanager->AddDiscreteProcess( hel );
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
 
    } else if ( pname == "anti_deuteron"  ||
                pname == "anti_triton"    ||
                pname == "anti_He3"       ||
                pname == "anti_alpha"
              ) {
      hel = new G4HadronElasticProcess();
      hel->AddDataSet( anucxs );
      hel->RegisterMe( lhep );
      hel->RegisterMe( anuc );
      pmanager->AddDiscreteProcess( hel );
      if ( verbose > 1 ) {
    G4cout << "### HadronElasticPhysics: " << hel->GetProcessName()
           << " added for " << particle->GetParticleName() << G4endl;
      }
    }
  }
 
  // Charm and bottom hadrons
  if ( G4HadronicParameters::Instance()->EnableBCParticles() ) {
    G4HadronicBuilder::BuildElastic( G4HadParticles::GetBCHadrons() );
  }
 
}

SetDiffraction()

void G4HadronHElasticPhysics::SetDiffraction ( G4bool  val )

inline

Definition at line 63 of file G4HadronHElasticPhysics.hh.

{fDiffraction = val;};

---

The documentation for this class was generated from the following files:

• G4HadronHElasticPhysics.hh
• G4HadronHElasticPhysics.cc