G4eeToTwoPiModel Class Reference

#include <G4eeToTwoPiModel.hh>

Inheritance diagram for G4eeToTwoPiModel:

Collaboration diagram for G4eeToTwoPiModel:

Public Member Functions
	G4eeToTwoPiModel (G4eeCrossSections *, G4double, G4double)
virtual	~G4eeToTwoPiModel ()
virtual G4double	PeakEnergy () const override
virtual G4double	ComputeCrossSection (G4double) const override
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, G4double, const G4ThreeVector &) override
Public Member Functions inherited from G4Vee2hadrons
	G4Vee2hadrons (G4eeCrossSections *cr, G4double vlowEnergy, G4double vhighEnergy, G4double vdelta)
virtual	~G4Vee2hadrons ()
G4PhysicsVector *	PhysicsVector () const
G4double	LowEnergy () const
G4double	HighEnergy () const

Additional Inherited Members
Protected Attributes inherited from G4Vee2hadrons
G4eeCrossSections *	cross

Detailed Description

Definition at line 59 of file G4eeToTwoPiModel.hh.

Constructor & Destructor Documentation

G4eeToTwoPiModel::G4eeToTwoPiModel ( G4eeCrossSections *  cr, G4double  maxkinEnergy, G4double  binWidth  )

explicit

Definition at line 64 of file G4eeToTwoPiModel.cc.

:   G4Vee2hadrons(cr,
          2.0*G4PionPlus::PionPlus()->GetPDGMass(),
                  maxkinEnergy,
          binWidth)
{
  G4cout << "#####G4eeToTwoPiModel####" << G4endl;  

  massPi = G4PionPlus::PionPlus()->GetPDGMass();
  massRho = 775.5*MeV;
}

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G4eeToTwoPiModel::~G4eeToTwoPiModel ( )

virtual

Definition at line 80 of file G4eeToTwoPiModel.cc.

{}

Member Function Documentation

G4double G4eeToTwoPiModel::ComputeCrossSection ( G4double  e ) const

overridevirtual

Implements G4Vee2hadrons.

Definition at line 92 of file G4eeToTwoPiModel.cc.

{
  return cross->CrossSection2pi(e);
}

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G4double G4eeToTwoPiModel::PeakEnergy ( ) const

overridevirtual

Implements G4Vee2hadrons.

Definition at line 85 of file G4eeToTwoPiModel.cc.

{
  return massRho;
}

void G4eeToTwoPiModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  newp, G4double  e, const G4ThreeVector &  direction  )

overridevirtual

Implements G4Vee2hadrons.

Definition at line 99 of file G4eeToTwoPiModel.cc.

{

  G4double tkin = 0.5*e - massPi;
  if(tkin < 0.0) tkin = 0.0;
  G4double cost;
  do {
    cost = 2.0*G4UniformRand() - 1.0;
    // Loop checking, 07-Aug-2015, Vladimir Ivanchenko
  } while( G4UniformRand() > 1.0 - cost*cost );

  G4double sint = sqrt(1.0 - cost*cost);
  G4double phi  = twopi * G4UniformRand();

  G4ThreeVector dir(sint*cos(phi),sint*sin(phi), cost);
  dir.rotateUz(direction);

  // create G4DynamicParticle objects
  G4DynamicParticle* pip = 
     new G4DynamicParticle(G4PionPlus::PionPlus(),dir,tkin);
  G4DynamicParticle* pin = 
     new G4DynamicParticle(G4PionMinus::PionMinus(),-dir,tkin);
  newp->push_back(pip);
  newp->push_back(pin);
}

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

• geant4.10.03.p01/source/processes/electromagnetic/highenergy/include/G4eeToTwoPiModel.hh
• geant4.10.03.p01/source/processes/electromagnetic/highenergy/src/G4eeToTwoPiModel.cc