#include <G4RPGPiMinusInelastic.hh>

Inheritance diagram for G4RPGPiMinusInelastic:

Collaboration diagram for G4RPGPiMinusInelastic:

Public Member Functions
	G4RPGPiMinusInelastic ()

	~G4RPGPiMinusInelastic ()

G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)

Public Member Functions inherited from G4RPGPionInelastic
	G4RPGPionInelastic (const G4String &modelName="RPGPionInelastic")

	~G4RPGPionInelastic ()

Public Member Functions inherited from G4RPGInelastic
	G4RPGInelastic (const G4String &modelName="RPGInelastic")

virtual	~G4RPGInelastic ()

Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")

virtual	~G4HadronicInteraction ()

virtual G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)

virtual G4bool	IsApplicable (const G4HadProjectile &, G4Nucleus &)

G4double	GetMinEnergy () const

G4double	GetMinEnergy (const G4Material aMaterial, const G4Element anElement) const

void	SetMinEnergy (G4double anEnergy)

void	SetMinEnergy (G4double anEnergy, const G4Element *anElement)

void	SetMinEnergy (G4double anEnergy, const G4Material *aMaterial)

G4double	GetMaxEnergy () const

G4double	GetMaxEnergy (const G4Material aMaterial, const G4Element anElement) const

void	SetMaxEnergy (const G4double anEnergy)

void	SetMaxEnergy (G4double anEnergy, const G4Element *anElement)

void	SetMaxEnergy (G4double anEnergy, const G4Material *aMaterial)

const G4HadronicInteraction *	GetMyPointer () const

virtual G4int	GetVerboseLevel () const

virtual void	SetVerboseLevel (G4int value)

const G4String &	GetModelName () const

void	DeActivateFor (const G4Material *aMaterial)

void	ActivateFor (const G4Material *aMaterial)

void	DeActivateFor (const G4Element *anElement)

void	ActivateFor (const G4Element *anElement)

G4bool	IsBlocked (const G4Material *aMaterial) const

G4bool	IsBlocked (const G4Element *anElement) const

void	SetRecoilEnergyThreshold (G4double val)

G4double	GetRecoilEnergyThreshold () const

G4bool	operator== (const G4HadronicInteraction &right) const

G4bool	operator!= (const G4HadronicInteraction &right) const

virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const

virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const

void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)

virtual void	ModelDescription (std::ostream &outFile) const

virtual void	BuildPhysicsTable (const G4ParticleDefinition &)

Private Member Functions
void	InitialCollision (G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged, G4bool &targetHasChanged)

Additional Inherited Members
Protected Types inherited from G4RPGInelastic
enum	{ pi0, pip, pim, kp, km, k0, k0b, pro, neu, lam, sp, s0, sm, xi0, xim, om, ap, an }

Protected Member Functions inherited from G4RPGPionInelastic
G4int	GetMultiplicityT12 (G4double KE) const

G4int	GetMultiplicityT32 (G4double KE) const

std::vector< G4int >	GetFSPartTypesForT32 (G4int mult, G4double KE, G4int tindex) const

std::vector< G4int >	GetFSPartTypesForT12 (G4int mult, G4double KE, G4int tindex) const

std::vector< G4int >	GetFSPartTypesForPipP (G4int mult, G4double KE) const

std::vector< G4int >	GetFSPartTypesForPimN (G4int mult, G4double KE) const

std::vector< G4int >	GetFSPartTypesForPipN (G4int mult, G4double KE) const

std::vector< G4int >	GetFSPartTypesForPimP (G4int mult, G4double KE) const

Protected Member Functions inherited from G4RPGInelastic
G4double	Pmltpc (G4int np, G4int nm, G4int nz, G4int n, G4double b, G4double c)

G4int	Factorial (G4int n)

G4bool	MarkLeadingStrangeParticle (const G4ReactionProduct &currentParticle, const G4ReactionProduct &targetParticle, G4ReactionProduct &leadParticle)

void	SetUpPions (const G4int np, const G4int nm, const G4int nz, G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen)

void	GetNormalizationConstant (const G4double availableEnergy, G4double &n, G4double &anpn)

void	CalculateMomenta (G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, const G4HadProjectile originalIncident, const G4DynamicParticle originalTarget, G4ReactionProduct &modifiedOriginal, G4Nucleus &targetNucleus, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged, G4bool &targetHasChanged, G4bool quasiElastic)

void	SetUpChange (G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4bool &incidentHasChanged)

std::pair< G4int, G4double >	interpolateEnergy (G4double ke) const

G4int	sampleFlat (std::vector< G4double > sigma) const

void	CheckQnums (G4FastVector< G4ReactionProduct, 256 > &vec, G4int &vecLen, G4ReactionProduct &currentParticle, G4ReactionProduct &targetParticle, G4double Q, G4double B, G4double S)

Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)

G4bool	IsBlocked () const

void	Block ()

Protected Attributes inherited from G4RPGInelastic
G4RPGFragmentation	fragmentation

G4RPGTwoCluster	twoCluster

G4RPGPionSuppression	pionSuppression

G4RPGStrangeProduction	strangeProduction

G4RPGTwoBody	twoBody

G4ParticleDefinition *	particleDef [18]

Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange

G4int	verboseLevel

G4double	theMinEnergy

G4double	theMaxEnergy

G4bool	isBlocked

Static Protected Attributes inherited from G4RPGPionInelastic
static const G4int	pipPindex [8][2]

static const G4int	pimPindex [8][2]

static const G4int	T32_2bfs [2][2][2]

static const G4int	T32_3bfs [2][7][3]

static const G4int	T32_4bfs [2][15][4]

static const G4int	T32_5bfs [2][24][5]

static const G4int	T32_6bfs [2][5][6]

static const G4int	T32_7bfs [2][6][7]

static const G4int	T32_8bfs [2][7][8]

static const G4int	T32_9bfs [2][8][9]

static const G4int	T12_2bfs [2][5][2]

static const G4int	T12_3bfs [2][13][3]

static const G4int	T12_4bfs [2][22][4]

static const G4int	T12_5bfs [2][31][5]

static const G4int	T12_6bfs [2][6][6]

static const G4int	T12_7bfs [2][7][7]

static const G4int	T12_8bfs [2][8][8]

static const G4int	T12_9bfs [2][9][9]

static G4ThreadLocal G4double	pipPtot [30]

static G4ThreadLocal G4double	pimPtot [30]

static G4ThreadLocal G4double	t12_dSigma_dMult [8][30]

static G4ThreadLocal G4double	t32_dSigma_dMult [8][30]

static const G4float	pipPCrossSections [74][30]

static const G4float	pimPCrossSections [101][30]

Detailed Description

Definition at line 41 of file G4RPGPiMinusInelastic.hh.

Constructor & Destructor Documentation

◆ G4RPGPiMinusInelastic()

G4RPGPiMinusInelastic::G4RPGPiMinusInelastic ( )

inline

Definition at line 45 of file G4RPGPiMinusInelastic.hh.

45 : G4RPGPionInelastic("RPGPiMinusInelastic")

46 {}

G4RPGPionInelastic::G4RPGPionInelastic

G4RPGPionInelastic(const G4String &modelName="RPGPionInelastic")

Definition: G4RPGPionInelastic.cc:33

◆ ~G4RPGPiMinusInelastic()

G4RPGPiMinusInelastic::~G4RPGPiMinusInelastic ( )

inline

Definition at line 48 of file G4RPGPiMinusInelastic.hh.

49 {}

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Member Function Documentation

◆ ApplyYourself()

G4HadFinalState * G4RPGPiMinusInelastic::ApplyYourself	(	const G4HadProjectile &	aTrack,
		G4Nucleus &	targetNucleus
	)

virtual

Implements G4HadronicInteraction.

Definition at line 34 of file G4RPGPiMinusInelastic.cc.

 {
   const G4HadProjectile* originalIncident = &aTrack;
 
   if (originalIncident->GetKineticEnergy()<= 0.1) {
     theParticleChange.SetStatusChange(isAlive);
     theParticleChange.SetEnergyChange(aTrack.GetKineticEnergy());
     theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit()); 
     return &theParticleChange;      
   }
 
   // create the target particle
     
   G4DynamicParticle* originalTarget = targetNucleus.ReturnTargetParticle();
   G4ReactionProduct targetParticle( originalTarget->GetDefinition() );
     
   G4ReactionProduct currentParticle(originalIncident->GetDefinition() );
   currentParticle.SetMomentum( originalIncident->Get4Momentum().vect() );
   currentParticle.SetKineticEnergy( originalIncident->GetKineticEnergy() );
     
   // Fermi motion and evaporation
   // As of Geant3, the Fermi energy calculation had not been Done
     
   G4double ek = originalIncident->GetKineticEnergy();
   G4double amas = originalIncident->GetDefinition()->GetPDGMass();
     
   G4double tkin = targetNucleus.Cinema( ek );
   ek += tkin;
   currentParticle.SetKineticEnergy( ek );
   G4double et = ek + amas;
   G4double p = std::sqrt( std::abs((et-amas)*(et+amas)) );
   G4double pp = currentParticle.GetMomentum().mag();
   if( pp > 0.0 ) {
     G4ThreeVector momentum = currentParticle.GetMomentum();
     currentParticle.SetMomentum( momentum * (p/pp) );
   }
     
   // calculate black track energies
     
   tkin = targetNucleus.EvaporationEffects( ek );
   ek -= tkin;
   currentParticle.SetKineticEnergy( ek );
   et = ek + amas;
   p = std::sqrt( std::abs((et-amas)*(et+amas)) );
   pp = currentParticle.GetMomentum().mag();
   if( pp > 0.0 ) {
     G4ThreeVector momentum = currentParticle.GetMomentum();
     currentParticle.SetMomentum( momentum * (p/pp) );
   }
 
   G4ReactionProduct modifiedOriginal = currentParticle;
 
   currentParticle.SetSide( 1 ); // incident always goes in forward hemisphere
   targetParticle.SetSide( -1 );  // target always goes in backward hemisphere
   G4bool incidentHasChanged = false;
   G4bool targetHasChanged = false;
   G4bool quasiElastic = false;
   G4FastVector<G4ReactionProduct,256> vec;  // vec will contain the secondary particles
   G4int vecLen = 0;
   vec.Initialize( 0 );
     
   const G4double cutOff = 0.1;
   if( currentParticle.GetKineticEnergy() > cutOff )
     InitialCollision(vec, vecLen, currentParticle, targetParticle,
                      incidentHasChanged, targetHasChanged);
     
   CalculateMomenta(vec, vecLen,
                    originalIncident, originalTarget, modifiedOriginal,
                    targetNucleus, currentParticle, targetParticle,
                    incidentHasChanged, targetHasChanged, quasiElastic);
     
   SetUpChange(vec, vecLen,
               currentParticle, targetParticle,
               incidentHasChanged);
     
   delete originalTarget;
   return &theParticleChange;
 }

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◆ InitialCollision()

void G4RPGPiMinusInelastic::InitialCollision	(	G4FastVector< G4ReactionProduct, 256 > &	vec,
		G4int &	vecLen,
		G4ReactionProduct &	currentParticle,
		G4ReactionProduct &	targetParticle,
		G4bool &	incidentHasChanged,
		G4bool &	targetHasChanged
	)

private

Definition at line 122 of file G4RPGPiMinusInelastic.cc.

 {
   G4double KE = currentParticle.GetKineticEnergy()/GeV;
  
   G4int mult;
   G4int partType;
   std::vector<G4int> fsTypes;
 
   G4double testCharge;
   G4double testBaryon;
   G4double testStrange;
 
   // Get particle types according to incident and target types
 
   if (targetParticle.GetDefinition() == particleDef[pro]) {
     mult = GetMultiplicityT12(KE);
     fsTypes = GetFSPartTypesForPimP(mult, KE);
     partType = fsTypes[0];
     if (partType != pro) {
       targetHasChanged = true;
       targetParticle.SetDefinition(particleDef[partType]);
     }
 
     testCharge = 0.0;
     testBaryon = 1.0;
     testStrange = 0.0;
 
   } else {   // target was a neutron
     mult = GetMultiplicityT32(KE);
     fsTypes = GetFSPartTypesForPimN(mult, KE);
     partType = fsTypes[0];
     if (partType != neu) {
       targetHasChanged = true;
       targetParticle.SetDefinition(particleDef[partType]);
     }
 
     testCharge = -1.0;
     testBaryon = 1.0;
     testStrange = 0.0;
   }
 
   // Remove target particle from list
 
   fsTypes.erase(fsTypes.begin());
 
   // See if the incident particle changed type 
 
   G4int choose = -1;
   for(G4int i=0; i < mult-1; ++i ) {
     partType = fsTypes[i];
     if (partType == pim) {
       choose = i;
       break;
     }
   }
   if (choose == -1) {
     incidentHasChanged = true;
     choose = G4int(G4UniformRand()*(mult-1) );
     partType = fsTypes[choose];
     currentParticle.SetDefinition(particleDef[partType]);
   }
 
   fsTypes.erase(fsTypes.begin()+choose);
 
   // Remaining particles are secondaries.  Put them into vec.
 
   G4ReactionProduct* rp(0);
   for(G4int i=0; i < mult-2; ++i ) {
     partType = fsTypes[i];
     rp = new G4ReactionProduct();
     rp->SetDefinition(particleDef[partType]);
     (G4UniformRand() < 0.5) ? rp->SetSide(-1) : rp->SetSide(1);
     if (partType > pim && partType < pro) rp->SetMayBeKilled(false);  // kaons
     vec.SetElement(vecLen++, rp);
   }
 
   //  if (mult == 2 && !incidentHasChanged && !targetHasChanged) 
   //                                              quasiElastic = true;
 
   // Check conservation of charge, strangeness, baryon number
 
   CheckQnums(vec, vecLen, currentParticle, targetParticle,
              testCharge, testBaryon, testStrange);
 
   return;
 }

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

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4RPGPiMinusInelastic()

◆ ~G4RPGPiMinusInelastic()

Member Function Documentation

◆ ApplyYourself()

◆ InitialCollision()