G4VAnnihilationCollision Class Reference

#include <G4VAnnihilationCollision.hh>

Inheritance diagram for G4VAnnihilationCollision:

Collaboration diagram for G4VAnnihilationCollision:

Public Member Functions
	G4VAnnihilationCollision ()
virtual	~G4VAnnihilationCollision ()
G4bool	operator== (const G4VAnnihilationCollision &right) const
G4bool	operator!= (const G4VAnnihilationCollision &right) const
virtual G4KineticTrackVector *	FinalState (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
virtual const G4VAngularDistribution *	GetAngularDistribution () const
Public Member Functions inherited from G4VCollision
	G4VCollision ()
void	establish_G4MT_TLS_G4VCollision ()
	G4VCollision (void *s1, void *s2, void *s3, void *s4, void *s5, void *s6, void *s7)
virtual	~G4VCollision ()
G4bool	operator== (const G4VCollision &right) const
G4bool	operator!= (const G4VCollision &right) const
virtual G4double	CrossSection (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
virtual G4bool	IsInCharge (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const =0
virtual G4String	GetName () const =0
virtual void	Print () const
virtual void	Print (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const

Protected Member Functions
virtual const G4ParticleDefinition *	GetOutgoingParticle (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const =0
Protected Member Functions inherited from G4VCollision
G4int	GetNumberOfPartons (const G4ParticleDefinition *aP) const
virtual const G4CollisionVector *	GetComponents () const
virtual const G4VCrossSectionSource *	GetCrossSectionSource () const =0
virtual const std::vector< G4String > &	GetListOfColliders (G4int whichOne) const =0

Private Member Functions
double	BrWigInt0 (const double x, const double gamma, const double m0) const
G4double	BrWigInt1 (const G4double x, const G4double gamma, const G4double m0) const
double	BrWigInv (const double x, const double gamma, const double m0) const
double	SampleResonanceMass (const double poleMass, const double width, const double minMass, const double maxMass) const

Private Attributes
G4VAngularDistribution *	theAngularDistribution

Detailed Description

Definition at line 56 of file G4VAnnihilationCollision.hh.

Constructor & Destructor Documentation

G4VAnnihilationCollision()

G4VAnnihilationCollision::G4VAnnihilationCollision

(

)

Definition at line 43 of file G4VAnnihilationCollision.cc.

{ 
    theAngularDistribution=0;
}

~G4VAnnihilationCollision()

G4VAnnihilationCollision::~G4VAnnihilationCollision ( )

virtual

Definition at line 49 of file G4VAnnihilationCollision.cc.

{
    if (theAngularDistribution) {
        delete theAngularDistribution;
        theAngularDistribution=0;
    }
}

Member Function Documentation

BrWigInt0()

double G4VAnnihilationCollision::BrWigInt0 ( const double  x, const double  gamma, const double  m0  ) const

inlineprivate

Definition at line 82 of file G4VAnnihilationCollision.hh.

    { return 2.0*gamma*std::atan( 2.0 * (x-m0)/ gamma  ); }

Here is the caller graph for this function:

BrWigInt1()

G4double G4VAnnihilationCollision::BrWigInt1 ( const G4double  x, const G4double  gamma, const G4double  m0  ) const

inlineprivate

Definition at line 85 of file G4VAnnihilationCollision.hh.

    { return 0.5*gamma*gamma*G4Log( (x-m0)*(x-m0)+gamma*gamma/4.0 ) + m0*BrWigInt0(x,gamma,m0); }

Here is the call graph for this function:

BrWigInv()

double G4VAnnihilationCollision::BrWigInv ( const double  x, const double  gamma, const double  m0  ) const

inlineprivate

Definition at line 88 of file G4VAnnihilationCollision.hh.

    { return 0.5*gamma*std::tan( 0.5*x/gamma )+m0; }

Here is the call graph for this function:

FinalState()

G4KineticTrackVector * G4VAnnihilationCollision::FinalState ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

virtual

Implements G4VCollision.

Definition at line 58 of file G4VAnnihilationCollision.cc.

{ 
  G4LorentzVector p = trk1.Get4Momentum() + trk2.Get4Momentum();
  G4double sqrtS = p.m();
//  G4double s = sqrtS * sqrtS;

//  G4double m1 = trk1.GetActualMass();
//  G4double m2 = trk2.GetActualMass();


  // Unit vector of three-momentum

  G4ThreeVector pFinal(0.0, 0.0, 0.0);
  G4double eFinal = sqrtS;
 
  G4LorentzVector p4Final(pFinal, eFinal); 

  // Lorentz transformation
  G4LorentzRotation toLabFrame(p.boostVector());
  p4Final *= toLabFrame;
  
 const G4ParticleDefinition* OutputDefinition = GetOutgoingParticle(trk1,trk2);
 G4KineticTrack* final = new G4KineticTrack(OutputDefinition, 0.0, trk1.GetPosition(), p4Final);
  
  G4KineticTrackVector* finalTracks = new G4KineticTrackVector;

  finalTracks->push_back(final);

  return finalTracks;
}

Here is the call graph for this function:

GetAngularDistribution()

virtual const G4VAngularDistribution* G4VAnnihilationCollision::GetAngularDistribution ( ) const

inlinevirtual

Implements G4VCollision.

Definition at line 70 of file G4VAnnihilationCollision.hh.

  {
    return theAngularDistribution;
  }

Here is the call graph for this function:

GetOutgoingParticle()

virtual const G4ParticleDefinition* G4VAnnihilationCollision::GetOutgoingParticle ( const G4KineticTrack &  trk1, const G4KineticTrack &  trk2  ) const

protectedpure virtual

Implemented in G4ConcreteMesonBaryonToResonance.

Here is the caller graph for this function:

operator!=()

G4bool G4VAnnihilationCollision::operator!=

(

const G4VAnnihilationCollision &

right

)

const

operator==()

G4bool G4VAnnihilationCollision::operator==

(

const G4VAnnihilationCollision &

right

)

const

SampleResonanceMass()

double G4VAnnihilationCollision::SampleResonanceMass ( const double  poleMass, const double  width, const double  minMass, const double  maxMass  ) const

private

Here is the caller graph for this function:

Member Data Documentation

theAngularDistribution

G4VAngularDistribution* G4VAnnihilationCollision::theAngularDistribution

private

Definition at line 97 of file G4VAnnihilationCollision.hh.

---

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

• G4VAnnihilationCollision.hh
• G4VAnnihilationCollision.cc