G4XMesonBaryonElastic Class Reference

#include <G4XMesonBaryonElastic.hh>

Inheritance diagram for G4XMesonBaryonElastic:

Public Member Functions
	G4XMesonBaryonElastic ()
virtual	~G4XMesonBaryonElastic ()
G4bool	operator== (const G4XMesonBaryonElastic &right) const
G4bool	operator!= (const G4XMesonBaryonElastic &right) const
virtual G4double	CrossSection (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
virtual const G4CrossSectionVector *	GetComponents () const
virtual G4bool	IsValid (G4double e) const
virtual G4String	Name () const

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Detailed Description

Definition at line 50 of file G4XMesonBaryonElastic.hh.

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Constructor & Destructor Documentation

G4XMesonBaryonElastic::G4XMesonBaryonElastic

(

)

Definition at line 38 of file G4XMesonBaryonElastic.cc.

References DBL_MAX.

{ 
  // As a first approximation the model is assumed to be valid over 
  // the entire energy range
  lowLimit = 0.;
  highLimit = DBL_MAX;
}

G4XMesonBaryonElastic::~G4XMesonBaryonElastic

(

)

[virtual]

Definition at line 47 of file G4XMesonBaryonElastic.cc.

{ }

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Member Function Documentation

G4double G4XMesonBaryonElastic::CrossSection	(	const G4KineticTrack &	trk1,
		const G4KineticTrack &	trk2
	)			const [virtual]

Implements G4VCrossSectionSource.

Definition at line 63 of file G4XMesonBaryonElastic.cc.

References G4XPDGElastic::CrossSection(), G4XAqmElastic::CrossSection(), G4VCrossSectionSource::FindLightParticle(), G4Gamma::GammaDefinition(), G4KineticTrack::Get4Momentum(), G4KineticTrack::GetFormationTime(), G4KineticTrack::GetPosition(), G4PionPlus::PionPlusDefinition(), and G4Proton::ProtonDefinition().

{
  G4double sigma;

  // No gamma-baryon elastic scattering 
  const G4ParticleDefinition* defLight = FindLightParticle(trk1,trk2);
  if (defLight == G4Gamma::GammaDefinition())
    {
      sigma = 0;
    }
  else
    {

      G4LorentzVector p41 = trk1.Get4Momentum();
      G4ThreeVector p3 = trk1.GetPosition();
      G4ParticleDefinition* def = G4PionPlus::PionPlusDefinition();

      G4KineticTrack piTrk(def,
                           trk1.GetFormationTime(),
                           p3,
                           (G4LorentzVector&)p41);

      G4LorentzVector p42 = trk2.Get4Momentum();    
      G4KineticTrack pTrk(((G4ParticleDefinition*)G4Proton::ProtonDefinition()),
                          trk2.GetFormationTime(),
                          (G4ThreeVector)trk2.GetPosition(),
                          (G4LorentzVector&)p42);
      
      G4XAqmElastic aqm;
      G4double xAqmDummy = aqm.CrossSection(piTrk,pTrk);
      G4double xAqm = aqm.CrossSection(trk1,trk2);
      G4double factor = 1.;
      if (xAqmDummy != 0.0)
        {
          factor = xAqm / xAqmDummy;
        }
      G4XPDGElastic pdg;
      
      sigma = pdg.CrossSection(piTrk,pTrk);
      sigma = sigma * factor;
    }
  
  return sigma;
}

virtual const G4CrossSectionVector* G4XMesonBaryonElastic::GetComponents

(

)

const [inline, virtual]

Implements G4VCrossSectionSource.

Definition at line 64 of file G4XMesonBaryonElastic.hh.

{ return 0; }

G4bool G4XMesonBaryonElastic::IsValid

(

G4double

e

)

const [virtual]

Reimplemented from G4VCrossSectionSource.

Definition at line 117 of file G4XMesonBaryonElastic.cc.

References G4VCrossSectionSource::InLimits().

{
  G4bool answer = InLimits(e,lowLimit,highLimit);

  return answer;
}

G4String G4XMesonBaryonElastic::Name

(

)

const [virtual]

Implements G4VCrossSectionSource.

Definition at line 109 of file G4XMesonBaryonElastic.cc.

{
  G4String name("MesonBaryonElasticCrossSection");
  return name;
}

G4bool G4XMesonBaryonElastic::operator!=

(

const G4XMesonBaryonElastic &

right

)

const

Definition at line 57 of file G4XMesonBaryonElastic.cc.

{
  return (this != (G4XMesonBaryonElastic *) &right);
}

G4bool G4XMesonBaryonElastic::operator==

(

const G4XMesonBaryonElastic &

right

)

const

Definition at line 51 of file G4XMesonBaryonElastic.cc.

{
  return (this == (G4XMesonBaryonElastic *) &right);
}

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

• G4XMesonBaryonElastic.hh
• G4XMesonBaryonElastic.cc

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