G4CollisionNN Class Reference

#include <G4CollisionNN.hh>

Inheritance diagram for G4CollisionNN:

Public Member Functions
	G4CollisionNN ()
virtual	~G4CollisionNN ()
G4bool	operator== (const G4CollisionNN &right) const
G4bool	operator!= (const G4CollisionNN &right) const
virtual G4String	GetName () const
virtual G4double	CrossSection (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
Public Member Functions inherited from G4GeneralNNCollision
G4bool	IsInCharge (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
Public Member Functions inherited from G4CollisionComposite
	G4CollisionComposite ()
virtual	~G4CollisionComposite ()
virtual G4KineticTrackVector *	FinalState (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
void	AddComponent (G4VCollision *aC)
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 void	Print () const
virtual void	Print (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const

Protected Member Functions
virtual const G4VCrossSectionSource *	GetCrossSectionSource () const
virtual const G4VAngularDistribution *	GetAngularDistribution () const
virtual const G4CollisionVector *	GetComponents () const
virtual const std::vector< G4String > &	GetListOfColliders (G4int whichOne) const
Protected Member Functions inherited from G4VCollision
G4int	GetNumberOfPartons (const G4ParticleDefinition *aP) const

Detailed Description

Definition at line 39 of file G4CollisionNN.hh.

Constructor & Destructor Documentation

G4CollisionNN()

G4CollisionNN::G4CollisionNN

(

)

Definition at line 54 of file G4CollisionNN.cc.

{ 
  components=0;
  crossSectionSource = new G4XNNTotal();
  G4CollisionComposite::Register aR;
  G4ForEach<theChannels>::Apply(&aR, this);
}

Referenced by operator!=(), and operator==().

~G4CollisionNN()

G4CollisionNN::~G4CollisionNN ( )

virtual

Definition at line 63 of file G4CollisionNN.cc.

{ 
  if (components) {
    delete components;
    components=0;
  }
  delete crossSectionSource;
  crossSectionSource = 0;
}

Member Function Documentation

CrossSection()

G4double G4CollisionNN::CrossSection ( const G4KineticTrack & trk1, const G4KineticTrack & trk2 ) const

virtual

Reimplemented from G4CollisionComposite.

Definition at line 81 of file G4CollisionNN.cc.

{
  G4double sigma = 0.;
 
  // nucleon-nucleon cross-sections made for on-shell particles.
  // here we take the kinetic energy as the quantity relevant
  // for calculating the scattering cross-sections for off-shell hadrons
  
  const G4VCrossSectionSource* xSource = GetCrossSectionSource();
  G4LorentzVector p1 = aTrk1.Get4Momentum();
  G4LorentzVector p2 = aTrk2.Get4Momentum();
  G4double t1 = p1.e()-aTrk1.GetActualMass();
  G4double t2 = p2.e()-aTrk2.GetActualMass();
  p1.setE(t1+aTrk1.GetDefinition()->GetPDGMass());
  p2.setE(t2+aTrk2.GetDefinition()->GetPDGMass());
  G4KineticTrack trk1(aTrk1);
  trk1.Set4Momentum(p1);
  G4KineticTrack trk2(aTrk2);
  trk2.Set4Momentum(p2);
  if( (p1+p2).mag()<aTrk1.GetDefinition()->GetPDGMass()+aTrk2.GetDefinition()->GetPDGMass())
  {
    return 0.;
  }
 
  if (xSource != 0)
    {
      // There is a cross section for this Collision
      sigma = xSource->CrossSection(trk1,trk2);
    }
  return sigma;
}

GetAngularDistribution()

virtual const G4VAngularDistribution * G4CollisionNN::GetAngularDistribution ( ) const

inlineprotectedvirtual

Reimplemented from G4CollisionComposite.

Definition at line 64 of file G4CollisionNN.hh.

{ return 0; }

GetComponents()

virtual const G4CollisionVector * G4CollisionNN::GetComponents ( ) const

inlineprotectedvirtual

Reimplemented from G4CollisionComposite.

Definition at line 66 of file G4CollisionNN.hh.

{ return components; } 

GetCrossSectionSource()

virtual const G4VCrossSectionSource * G4CollisionNN::GetCrossSectionSource ( ) const

inlineprotectedvirtual

Reimplemented from G4CollisionComposite.

Definition at line 63 of file G4CollisionNN.hh.

{ return crossSectionSource; }

Referenced by CrossSection().

GetListOfColliders()

const std::vector< G4String > & G4CollisionNN::GetListOfColliders ( G4int whichOne ) const

protectedvirtual

Implements G4VCollision.

Definition at line 74 of file G4CollisionNN.cc.

{
      throw G4HadronicException(__FILE__, __LINE__, "G4CollisionNN::GetListOfColliders - Argument outside valid range"); 
      return colliders1;
}

GetName()

virtual G4String G4CollisionNN::GetName ( ) const

inlinevirtual

Implements G4VCollision.

Definition at line 51 of file G4CollisionNN.hh.

{ return "NN CollisionComposite"; }

operator!=()

G4bool G4CollisionNN::operator!=

(

const G4CollisionNN &

right

)

const

operator==()

G4bool G4CollisionNN::operator==

(

const G4CollisionNN &

right

)

const

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

• G4CollisionNN.hh
• G4CollisionNN.cc