G4VCrossSectionSource Class Reference

#include <G4VCrossSectionSource.hh>

Inheritance diagram for G4VCrossSectionSource:

Public Member Functions
	G4VCrossSectionSource ()
virtual	~G4VCrossSectionSource ()
G4bool	operator== (const G4VCrossSectionSource &right) const
G4bool	operator!= (const G4VCrossSectionSource &right) const
virtual G4double	CrossSection (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const =0
virtual const G4CrossSectionVector *	GetComponents () const =0
virtual G4String	Name () const =0
virtual void	Print () const
virtual void	PrintAll (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
virtual G4bool	IsValid (G4double e) const
virtual G4double	HighLimit () const
virtual G4double	LowLimit () const

Protected Member Functions
G4bool	InLimits (G4double e, G4double eLow, G4double eHigh) const
const G4ParticleDefinition *	FindLightParticle (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
G4double	FcrossX (G4double e, G4double e0, G4double sigma, G4double eParam, G4double power) const
const G4ParticleDefinition *	FindKeyParticle (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const

Detailed Description

Definition at line 38 of file G4VCrossSectionSource.hh.

Constructor & Destructor Documentation

G4VCrossSectionSource::G4VCrossSectionSource

(

)

Definition at line 42 of file G4VCrossSectionSource.cc.

{ }

G4VCrossSectionSource::~G4VCrossSectionSource ( )

virtual

Definition at line 46 of file G4VCrossSectionSource.cc.

{ }

Member Function Documentation

virtual G4double G4VCrossSectionSource::CrossSection ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

pure virtual

Implemented in G4XPDGElastic, G4XPDGTotal, G4CrossSectionComposite, G4XnpElasticLowE, G4XnpTotalLowE, G4CrossSectionPatch, G4XAnnihilationChannel, G4XAqmElastic, G4XMesonBaryonElastic, G4XResonance, G4XNNElasticLowE, G4XAqmTotal, G4XNNTotalLowE, G4XpimNTotal, and G4XpipNTotal.

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G4double G4VCrossSectionSource::FcrossX ( G4double  e, G4double  e0, G4double  sigma, G4double  eParam, G4double  power  ) const

protected

Definition at line 175 of file G4VCrossSectionSource.cc.

{
  G4double result = 0.;

  G4double denom = eParam*eParam + (e-e0)*(e-e0);
  if (denom > 0.) 
  {
    G4double value = (2.* eParam * sigma * (e-e0) / denom) * G4Pow::GetInstance()->powA(((e0 + eParam) / e), power);
    result = std::max(0., value);
  }
  return result;
}     

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const G4ParticleDefinition * G4VCrossSectionSource::FindKeyParticle ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

protected

Definition at line 51 of file G4VCrossSectionSource.cc.

{
  const G4ParticleDefinition * result;
  
  const G4ParticleDefinition * p1 = trk1.GetDefinition();
  const G4ParticleDefinition * p2 = trk2.GetDefinition();
  
  if( (p1==G4Proton::Proton() && p2==G4Proton::Proton() ) ||
      (p1==G4Neutron::Neutron() && p2==G4Neutron::Neutron()) )
  {
    result = G4Proton::Proton();
  }
  else if( (p1==G4Neutron::Neutron() && p2==G4Proton::Proton()) ||
           (p2==G4Neutron::Neutron() && p1==G4Proton::Proton()) )
  {
    result = G4Neutron::Neutron();
  }
  else
  {
    throw G4HadronicException(__FILE__, __LINE__, "G4VCrossSectionSource: unklnown particles in FindKeyParticle");
  }
  return result;
}

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const G4ParticleDefinition * G4VCrossSectionSource::FindLightParticle ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

protected

Definition at line 159 of file G4VCrossSectionSource.cc.

{
  G4double mass1 = trk1.GetDefinition()->GetPDGMass();
  G4double mass2 = trk2.GetDefinition()->GetPDGMass();
  if (mass1 < mass2)
    {
      return trk1.GetDefinition();
    }
  else
    {
      return trk2.GetDefinition();
    }
}

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virtual const G4CrossSectionVector* G4VCrossSectionSource::GetComponents ( ) const

pure virtual

Implemented in G4XPDGElastic, G4XPDGTotal, G4CrossSectionComposite, G4XnpElasticLowE, G4XnpTotalLowE, G4CrossSectionPatch, G4XAnnihilationChannel, G4XAqmElastic, G4XMesonBaryonElastic, G4XNNElastic, G4XnpElastic, G4XnpTotal, G4XResonance, G4XNNElasticLowE, G4XAqmTotal, G4XNNTotalLowE, G4XNNTotal, G4XpimNTotal, and G4XpipNTotal.

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G4double G4VCrossSectionSource::HighLimit ( ) const

virtual

Reimplemented in G4XnpElasticLowE, G4XnpTotalLowE, G4XNNElasticLowE, and G4XNNTotalLowE.

Definition at line 147 of file G4VCrossSectionSource.cc.

{
  return DBL_MAX; 
}

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G4bool G4VCrossSectionSource::InLimits ( G4double  e, G4double  eLow, G4double  eHigh  ) const

protected

Definition at line 134 of file G4VCrossSectionSource.cc.

{
  G4bool answer = false;
  if (e >= eLow && e <= eHigh) answer = true;
  return answer;
}

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G4bool G4VCrossSectionSource::IsValid ( G4double  e ) const

virtual

Reimplemented in G4XPDGElastic, G4XPDGTotal, G4CrossSectionComposite, G4XnpElasticLowE, G4XnpTotalLowE, G4CrossSectionPatch, G4XAnnihilationChannel, G4XAqmElastic, G4XMesonBaryonElastic, G4XNNElasticLowE, G4XAqmTotal, and G4XNNTotalLowE.

Definition at line 152 of file G4VCrossSectionSource.cc.

{
  G4bool answer = false;
  if (e >= LowLimit() && e <= HighLimit()) answer = true;
  return answer;
}

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G4double G4VCrossSectionSource::LowLimit ( ) const

virtual

Reimplemented in G4XPDGElastic, and G4XPDGTotal.

Definition at line 141 of file G4VCrossSectionSource.cc.

{
  return 0.; 
}

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virtual G4String G4VCrossSectionSource::Name ( ) const

pure virtual

Implemented in G4XnpElasticLowE, G4XnpTotalLowE, G4XPDGElastic, G4XPDGTotal, G4XAnnihilationChannel, G4XAqmElastic, G4XMesonBaryonElastic, G4XNNElastic, G4XnpElastic, G4XnpTotal, G4XResonance, G4XNNElasticLowE, G4XAqmTotal, G4XNNTotalLowE, G4XNNTotal, G4XpimNTotal, and G4XpipNTotal.

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G4bool G4VCrossSectionSource::operator!=

(

const G4VCrossSectionSource &

right

)

const

Definition at line 81 of file G4VCrossSectionSource.cc.

{
  return (this != (G4VCrossSectionSource *) &right);
}

G4bool G4VCrossSectionSource::operator==

(

const G4VCrossSectionSource &

right

)

const

Definition at line 75 of file G4VCrossSectionSource.cc.

{
  return (this == (G4VCrossSectionSource *) &right);
}

void G4VCrossSectionSource::Print ( void  ) const

virtual

Reimplemented in G4XnpElasticLowE, G4XnpTotalLowE, and G4XNNElasticLowE.

Definition at line 87 of file G4VCrossSectionSource.cc.

{
  G4int nComponents = 0;
  const G4CrossSectionVector* components = GetComponents();
  if (components)
    {
      nComponents = components->size();
    }
  G4cout << "---- " << this->Name() << " ---- has " << nComponents << " components" <<G4endl;
  G4int i;
  for (i=0; i<nComponents; i++)
    {
      G4cout << "-" <<  this->Name() << " - Component " << i << ": " <<G4endl;

      G4CrossSectionSourcePtr componentPtr = (*components)[i];
      G4VCrossSectionSource* component = componentPtr();
      component->Print();
    }
}

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void G4VCrossSectionSource::PrintAll ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

virtual

Definition at line 108 of file G4VCrossSectionSource.cc.

{
  G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
  G4double sigma = CrossSection(trk1,trk2) / millibarn;
  G4cout << "---- " << Name() << ": "
     << "Ecm = " << sqrtS / GeV << " GeV -  " 
     << " Cross section = " << sigma << " mb "
     << G4endl;

  G4int nComponents = 0;
  const G4CrossSectionVector* components = GetComponents();
  if (components != 0)
    {
      nComponents = components->size();
    }
  G4int i;
  for (i=0; i<nComponents; i++)
    {
      G4cout << "* Component " << i << ": ";
      G4CrossSectionSourcePtr componentPtr = (*components)[i];
      G4VCrossSectionSource* component = componentPtr();
      component->PrintAll(trk1,trk2);
    }
}

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---

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

• source/geant4.10.03.p02/source/processes/hadronic/models/im_r_matrix/include/G4VCrossSectionSource.hh
• source/geant4.10.03.p02/source/processes/hadronic/models/im_r_matrix/src/G4VCrossSectionSource.cc