#include <G4QGSMSplitableHadron.hh>

Inheritance diagram for G4QGSMSplitableHadron:

Public Member Functions
	G4QGSMSplitableHadron ()

	G4QGSMSplitableHadron (const G4Nucleon &aNucleon)

	G4QGSMSplitableHadron (const G4Nucleon &aNucleon, G4bool Direction)

	G4QGSMSplitableHadron (const G4ReactionProduct &aPrimary)

	G4QGSMSplitableHadron (const G4ReactionProduct &aPrimary, G4bool Direction)

const G4LorentzVector &	Get4Momentum () const

const G4ParticleDefinition *	GetDefinition () const

virtual G4Parton *	GetNextAntiParton ()

virtual G4Parton *	GetNextParton ()

const G4ThreeVector &	GetPosition () const

G4int	GetSoftCollisionCount ()

G4int	GetStatus ()

G4double	GetTimeOfCreation ()

void	IncrementCollisionCount (G4int aCount)

G4bool	IsSplit ()

G4bool	operator!= (const G4VSplitableHadron &right) const

G4bool	operator== (const G4VSplitableHadron &right) const

void	Set4Momentum (const G4LorentzVector &a4Momentum)

void	SetCollisionCount (G4int aCount)

void	SetDefinition (const G4ParticleDefinition *aDefinition)

virtual void	SetFirstParton (G4int PDGcode)

void	SetPosition (const G4ThreeVector &aPosition)

virtual void	SetSecondParton (G4int PDGcode)

void	SetStatus (const G4int aStatus)

void	SetTimeOfCreation (G4double aTime)

virtual void	SplitUp ()

virtual	~G4QGSMSplitableHadron ()

Protected Member Functions
void	Splitting ()

Private Member Functions
G4Parton *	BuildSeaQuark (G4bool isAntiQuark, G4int aPDGCode, G4int nSeaPair)

void	DiffractiveSplitUp ()

G4ThreeVector	GaussianPt (G4double widthSquare, G4double maxPtSquare)

void	GetValenceQuarkFlavors (const G4ParticleDefinition aPart, G4Parton &Parton1, G4Parton *&Parton2)

void	InitParameters ()

const G4QGSMSplitableHadron &	operator= (const G4QGSMSplitableHadron &right)

G4double	SampleX (G4double anXmin, G4int nSea, G4int theTotalSea, G4double aBeta)

void	SoftSplitUp ()

Private Attributes
G4double	alpha

std::deque< G4Parton * >	AntiColor

G4double	beta

std::deque< G4Parton * >	Color

G4int	curStatus

G4bool	Direction

unsigned int	iAP

unsigned int	iP

G4bool	isSplit

G4double	minTransverseMass

G4double	sigmaPt

G4double	StrangeSuppress

G4LorentzVector	the4Momentum

G4BaryonSplitter	theBaryonSplitter

G4int	theCollisionCount

const G4ParticleDefinition *	theDefinition

G4MesonSplitter	theMesonSplitter

G4double	theMinPz

G4ThreeVector	thePosition

G4double	TimeOfCreation

G4double	widthOfPtSquare

Detailed Description

Definition at line 41 of file G4QGSMSplitableHadron.hh.

Constructor & Destructor Documentation

◆ G4QGSMSplitableHadron() [1/5]

G4QGSMSplitableHadron::G4QGSMSplitableHadron ( )

Definition at line 76 of file G4QGSMSplitableHadron.cc.

{
  InitParameters();
}

References InitParameters().

◆ G4QGSMSplitableHadron() [2/5]

G4QGSMSplitableHadron::G4QGSMSplitableHadron ( const G4ReactionProduct & aPrimary )

Definition at line 89 of file G4QGSMSplitableHadron.cc.

:  G4VSplitableHadron(aPrimary)
{
  InitParameters();
}

References InitParameters().

◆ G4QGSMSplitableHadron() [3/5]

G4QGSMSplitableHadron::G4QGSMSplitableHadron	(	const G4ReactionProduct &	aPrimary,
		G4bool	Direction
	)

Definition at line 81 of file G4QGSMSplitableHadron.cc.

:G4VSplitableHadron(aPrimary)
{
  InitParameters();
  Direction = aDirection;
}

References Direction, and InitParameters().

◆ G4QGSMSplitableHadron() [4/5]

G4QGSMSplitableHadron::G4QGSMSplitableHadron ( const G4Nucleon & aNucleon )

Definition at line 95 of file G4QGSMSplitableHadron.cc.

:  G4VSplitableHadron(aNucleon)
{
  InitParameters();
}

References InitParameters().

◆ G4QGSMSplitableHadron() [5/5]

G4QGSMSplitableHadron::G4QGSMSplitableHadron	(	const G4Nucleon &	aNucleon,
		G4bool	Direction
	)

Definition at line 101 of file G4QGSMSplitableHadron.cc.

:  G4VSplitableHadron(aNucleon)
{
  InitParameters();
  Direction = aDirection;
}

References Direction, and InitParameters().

◆ ~G4QGSMSplitableHadron()

G4QGSMSplitableHadron::~G4QGSMSplitableHadron ( )

virtual

Definition at line 108 of file G4QGSMSplitableHadron.cc.

108{}

Member Function Documentation

◆ BuildSeaQuark()

G4Parton * G4QGSMSplitableHadron::BuildSeaQuark	(	G4bool	isAntiQuark,
		G4int	aPDGCode,
		G4int	nSeaPair
	)

private

Definition at line 279 of file G4QGSMSplitableHadron.cc.

{
  if (isAntiQuark) aPDGCode*=-1;
  G4Parton* result = new G4Parton(aPDGCode);
  result->SetPosition(GetPosition());
  G4ThreeVector aPtVector = GaussianPt(sigmaPt, DBL_MAX);
  G4LorentzVector a4Momentum(aPtVector, 0);
  result->Set4Momentum(a4Momentum);
  return result;
}

References DBL_MAX, GaussianPt(), G4VSplitableHadron::GetPosition(), G4Parton::Set4Momentum(), G4Parton::SetPosition(), and sigmaPt.

Referenced by SoftSplitUp().

◆ DiffractiveSplitUp()

void G4QGSMSplitableHadron::DiffractiveSplitUp ( )

private

Definition at line 128 of file G4QGSMSplitableHadron.cc.

{   
  // take the particle definitions and get the partons HPW
  G4Parton * Left = NULL;
  G4Parton * Right = NULL;
  GetValenceQuarkFlavors(GetDefinition(), Left, Right);
  Left->SetPosition(GetPosition());
  Right->SetPosition(GetPosition());
 
  G4LorentzVector HadronMom = Get4Momentum();
 
  G4double maxAvailMomentum2 = sqr(HadronMom.mag()/2.);
 
  G4ThreeVector pt(minTransverseMass, minTransverseMass, 0);
  if (maxAvailMomentum2/widthOfPtSquare>0.01) pt = GaussianPt(widthOfPtSquare, maxAvailMomentum2);
 
  G4LorentzVector LeftMom(pt, 0.);
  G4LorentzVector RightMom;
  RightMom.setPx(HadronMom.px() - pt.x());
  RightMom.setPy(HadronMom.py() - pt.y());
 
  G4double Local1 = HadronMom.minus() + (RightMom.perp2() - LeftMom.perp2())/HadronMom.plus();
  G4double Local2 = std::sqrt(std::max(0., sqr(Local1) - 4.*RightMom.perp2()*HadronMom.minus()/HadronMom.plus()));
 
  if (Direction) Local2 = -Local2;   
  G4double RightMinus   = 0.5*(Local1 + Local2);
  G4double LeftMinus = HadronMom.minus() - RightMinus;
 
  if (LeftMinus <= 0.) {
    RightMinus   = 0.5*(Local1 - Local2);
    LeftMinus = HadronMom.minus() - RightMinus;
  }
 
  G4double LeftPlus  = LeftMom.perp2()/LeftMinus;
  G4double RightPlus = HadronMom.plus() - LeftPlus;
 
  LeftMom.setPz(0.5*(LeftPlus - LeftMinus));
  LeftMom.setE (0.5*(LeftPlus + LeftMinus));
  RightMom.setPz(0.5*(RightPlus - RightMinus));
  RightMom.setE (0.5*(RightPlus + RightMinus));
 
  Left->Set4Momentum(LeftMom);
  Right->Set4Momentum(RightMom);
 
  Color.push_back(Left);
  AntiColor.push_back(Right);
  iP=0; iAP=0;
}

Referenced by SplitUp().

◆ GaussianPt()

G4ThreeVector G4QGSMSplitableHadron::GaussianPt	(	G4double	widthSquare,
		G4double	maxPtSquare
	)

private

Definition at line 263 of file G4QGSMSplitableHadron.cc.

{
  G4double R;
  const G4int maxNumberOfLoops = 1000;
  G4int loopCounter = -1;
  while( ((R = -widthSquare*G4Log(G4UniformRand())) > maxPtSquare) && 
         ++loopCounter < maxNumberOfLoops ) {;}  /* Loop checking, 07.08.2015, A.Ribon */
  if ( loopCounter >= maxNumberOfLoops ) {
    R = 0.99*maxPtSquare;  // Just an acceptable value, without any physics consideration.
  }
  R = std::sqrt(R);
  G4double phi = twopi*G4UniformRand();
  return G4ThreeVector (R*std::cos(phi), R*std::sin(phi), 0.);
}

References G4Log(), G4UniformRand, and twopi.

Referenced by BuildSeaQuark(), and DiffractiveSplitUp().

◆ Get4Momentum()

const G4LorentzVector & G4VSplitableHadron::Get4Momentum ( ) const

inlineinherited

Definition at line 127 of file G4VSplitableHadron.hh.

{
  return the4Momentum;
}

References G4VSplitableHadron::the4Momentum.

Referenced by G4FTFModel::AdjustNucleons(), G4FTFModel::AdjustNucleonsAlgorithm_beforeSampling(), G4FTFAnnihilation::Annihilate(), G4FTFModel::BuildStrings(), G4DiffractiveExcitation::CreateStrings(), G4QGSParticipants::DeterminePartonMomenta(), DiffractiveSplitUp(), G4ElasticHNScattering::ElasticScattering(), G4QuarkExchange::ExciteParticipants(), G4SingleDiffractiveExcitation::ExciteParticipants(), G4QGSDiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4VSplitableHadron::G4VSplitableHadron(), G4FTFModel::GenerateDeltaIsobar(), G4QGSParticipants::GenerateDeltaIsobar(), G4QGSParticipants::PerformDiffractiveCollisions(), G4FTFModel::PutOnMassShell(), and G4QGSDiffractiveExcitation::String().

◆ GetDefinition()

const G4ParticleDefinition * G4VSplitableHadron::GetDefinition ( ) const

inlineinherited

Definition at line 137 of file G4VSplitableHadron.hh.

{
  return theDefinition;
}

References G4VSplitableHadron::theDefinition.

Referenced by G4FTFAnnihilation::Annihilate(), G4FTFModel::BuildStrings(), G4FTFModel::CheckKinematics(), G4QGSParticipants::CheckKinematics(), G4QGSParticipants::DeterminePartonMomenta(), DiffractiveSplitUp(), G4QuarkExchange::ExciteParticipants(), G4SingleDiffractiveExcitation::ExciteParticipants(), G4QGSDiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4FTFModel::FinalizeKinematics(), G4QGSParticipants::FinalizeKinematics(), G4VSplitableHadron::G4VSplitableHadron(), G4FTFModel::GenerateDeltaIsobar(), G4QGSParticipants::GenerateDeltaIsobar(), G4FTFModel::SamplingNucleonKinematics(), G4QGSParticipants::SamplingNucleonKinematics(), SoftSplitUp(), and G4DiffractiveSplitableHadron::SplitUp().

◆ GetNextAntiParton()

G4Parton * G4QGSMSplitableHadron::GetNextAntiParton ( )

inlinevirtual

Implements G4VSplitableHadron.

Definition at line 107 of file G4QGSMSplitableHadron.hh.

{
    if(AntiColor.size() == 0) return 0;
 
        G4Parton * result = AntiColor.operator[](iAP);
        iAP++; if(iAP == AntiColor.size()) iAP=0;
    return result;
}

References AntiColor, and iAP.

Referenced by G4QGSParticipants::CreateStrings(), and G4QGSParticipants::DeterminePartonMomenta().

◆ GetNextParton()

G4Parton * G4QGSMSplitableHadron::GetNextParton ( )

inlinevirtual

Implements G4VSplitableHadron.

Definition at line 98 of file G4QGSMSplitableHadron.hh.

{
    if(Color.size()==0) return 0;
 
        G4Parton * result = Color.operator[](iP);
        iP++; if(iP == Color.size()) iP=0;
    return result;
}

References Color, and iP.

Referenced by G4QGSParticipants::CreateStrings(), and G4QGSParticipants::DeterminePartonMomenta().

◆ GetPosition()

const G4ThreeVector & G4VSplitableHadron::GetPosition ( void ) const

inlineinherited

◆ GetSoftCollisionCount()

G4int G4VSplitableHadron::GetSoftCollisionCount ( )

inlineinherited

Definition at line 112 of file G4VSplitableHadron.hh.

{
  return theCollisionCount;
}

References G4VSplitableHadron::theCollisionCount.

Referenced by G4FTFModel::AdjustNucleons(), G4FTFModel::BuildStrings(), G4QGSParticipants::DeterminePartonMomenta(), G4FTFModel::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants_doDiffraction(), G4FTFModel::GetResiduals(), SoftSplitUp(), and SplitUp().

◆ GetStatus()

G4int G4VSplitableHadron::GetStatus ( )

inlineinherited

Definition at line 172 of file G4VSplitableHadron.hh.

{
  return curStatus; 
}

References G4VSplitableHadron::curStatus.

Referenced by G4QGSParticipants::BuildInteractions(), G4FTFModel::BuildStrings(), G4QGSParticipants::CreateStrings(), G4DiffractiveExcitation::CreateStrings(), G4QGSParticipants::DeterminePartonMomenta(), G4FTFModel::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4DiffractiveExcitation::ExciteParticipants_doDiffraction(), G4QGSParticipants::GetList(), G4FTFModel::GetResiduals(), G4QGSParticipants::GetResiduals(), G4QGSParticipants::PrepareInitialState(), G4GammaParticipants::SelectInteractions(), and G4QGSParticipants::SelectInteractions().

◆ GetTimeOfCreation()

G4double G4VSplitableHadron::GetTimeOfCreation ( )

inlineinherited

Definition at line 152 of file G4VSplitableHadron.hh.

{
  return TimeOfCreation; 
}

References G4VSplitableHadron::TimeOfCreation.

Referenced by G4FTFModel::BuildStrings(), G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4DiffractiveExcitation::CreateStrings(), G4ElasticHNScattering::ElasticScattering(), G4FTFModel::ReggeonCascade(), and G4QGSParticipants::ReggeonCascade().

◆ GetValenceQuarkFlavors()

void G4QGSMSplitableHadron::GetValenceQuarkFlavors	(	const G4ParticleDefinition *	aPart,
		G4Parton *&	Parton1,
		G4Parton *&	Parton2
	)

private

Definition at line 224 of file G4QGSMSplitableHadron.cc.

{
  // Note! convention aEnd = q or (qq)bar and bEnd = qbar or qq.
  G4int aEnd;
  G4int bEnd;
  G4int HadronEncoding = aPart->GetPDGEncoding();
  if (aPart->GetBaryonNumber() == 0)
  {
    theMesonSplitter.SplitMeson(HadronEncoding, &aEnd, &bEnd);
  }
  else
  {
    theBaryonSplitter.SplitBarion(HadronEncoding, &aEnd, &bEnd);
  }
 
  Parton1 = new G4Parton(aEnd);
  Parton1->SetPosition(GetPosition());
 
  Parton2 = new G4Parton(bEnd);
  Parton2->SetPosition(GetPosition());
 
  // colour of parton 1 choosen at random by G4Parton(aEnd)
  // colour of parton 2 is the opposite:
 
  Parton2->SetColour(-(Parton1->GetColour()));
 
  // isospin-3 of both partons is handled by G4Parton(PDGCode)
 
  // spin-3 of parton 1 and 2 choosen at random by G4Parton(aEnd)
  // spin-3 of parton 2 may be constrained by spin of original particle:
 
  if ( std::abs(Parton1->GetSpinZ() + Parton2->GetSpinZ()) > aPart->GetPDGSpin())
  {
    Parton2->SetSpinZ(-(Parton2->GetSpinZ()));    
  }
}

References G4ParticleDefinition::GetBaryonNumber(), G4Parton::GetColour(), G4ParticleDefinition::GetPDGEncoding(), G4ParticleDefinition::GetPDGSpin(), G4VSplitableHadron::GetPosition(), G4Parton::GetSpinZ(), G4Parton::SetColour(), G4Parton::SetPosition(), G4Parton::SetSpinZ(), G4BaryonSplitter::SplitBarion(), G4MesonSplitter::SplitMeson(), theBaryonSplitter, and theMesonSplitter.

Referenced by DiffractiveSplitUp(), and SoftSplitUp().

◆ IncrementCollisionCount()

void G4VSplitableHadron::IncrementCollisionCount ( G4int aCount )

inlineinherited

Definition at line 142 of file G4VSplitableHadron.hh.

{
  theCollisionCount += aCount;
}

References G4VSplitableHadron::theCollisionCount.

Referenced by G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4ElasticHNScattering::ElasticScattering(), G4DiffractiveExcitation::ExciteParticipants(), G4QGSParticipants::GetList(), G4GammaParticipants::SelectInteractions(), and G4QGSParticipants::SelectInteractions().

◆ InitParameters()

void G4QGSMSplitableHadron::InitParameters ( )

private

Definition at line 54 of file G4QGSMSplitableHadron.cc.

{
  // changing rapidity distribution for all
  alpha = -0.5; // Note that this number is still assumed in the algorithm
  // needs to be generalized.
  // changing rapidity distribution for projectile like
  beta = 2.5;// Note that this number is still assumed in the algorithm
  // needs to be generalized.
  theMinPz = 0.5*G4PionMinus::PionMinus()->GetPDGMass();
  //  theMinPz = 0.1*G4PionMinus::PionMinus()->GetPDGMass();
  //  theMinPz = G4PionMinus::PionMinus()->GetPDGMass();
  // as low as possible, otherwise, we have unphysical boundary conditions in the sampling.
  StrangeSuppress = 0.48;
  sigmaPt = 0.*GeV; // widens eta slightly, if increased to 1.7,
  // but Maxim's algorithm breaks energy conservation to be revised.
  widthOfPtSquare = 0.5*sqr(GeV);
  Direction = FALSE;
  minTransverseMass = 1*keV;
  iP  =0;//     Color.begin();
  iAP =0;// AntiColor.begin();
} 

References alpha, beta, Direction, FALSE, G4ParticleDefinition::GetPDGMass(), GeV, iAP, iP, keV, minTransverseMass, G4PionMinus::PionMinus(), sigmaPt, sqr(), StrangeSuppress, theMinPz, and widthOfPtSquare.

Referenced by G4QGSMSplitableHadron().

◆ IsSplit()

G4bool G4VSplitableHadron::IsSplit ( )

inlineinherited

Definition at line 88 of file G4VSplitableHadron.hh.

88{ return isSplit;}

G4VSplitableHadron::isSplit

G4bool isSplit

Definition: G4VSplitableHadron.hh:109

References G4VSplitableHadron::isSplit.

Referenced by G4DiffractiveSplitableHadron::SplitUp(), and SplitUp().

◆ operator!=()

G4bool G4VSplitableHadron::operator!= ( const G4VSplitableHadron & right ) const

inherited

Definition at line 106 of file G4VSplitableHadron.cc.

{
  return this!=&right;
}

◆ operator=()

const G4QGSMSplitableHadron & G4QGSMSplitableHadron::operator= ( const G4QGSMSplitableHadron & right )

private

◆ operator==()

G4bool G4VSplitableHadron::operator== ( const G4VSplitableHadron & right ) const

inherited

Definition at line 101 of file G4VSplitableHadron.cc.

{
  return this==&right;
}

◆ SampleX()

G4double G4QGSMSplitableHadron::SampleX	(	G4double	anXmin,
		G4int	nSea,
		G4int	theTotalSea,
		G4double	aBeta
	)

private

Definition at line 292 of file G4QGSMSplitableHadron.cc.

{
  G4double result;
  G4double x1, x2;
  G4double ymax = 0;
  for(G4int ii=1; ii<100; ii++)
  {
    G4double y = G4Pow::GetInstance()->powA(1./G4double(ii), alpha);
    y *= G4Pow::GetInstance()->powN( G4Pow::GetInstance()->powA(1-anXmin-totalSea*anXmin, alpha+1) - 
                                     G4Pow::GetInstance()->powA(anXmin, alpha+1), nSea );
    y *= G4Pow::GetInstance()->powA(1-anXmin-totalSea*anXmin, aBeta+1) - 
         G4Pow::GetInstance()->powA(anXmin, aBeta+1);
   if (y>ymax) ymax = y;
  }
  G4double y;
  G4double xMax=1-(totalSea+1)*anXmin;
  if (anXmin > xMax)
  {
    throw G4HadronicException(__FILE__, __LINE__, 
            "G4QGSMSplitableHadron - Fatal: Cannot sample parton densities under these constraints.");
  }
  const G4int maxNumberOfLoops = 1000;
  G4int loopCounter = 0;
  do
  {
    x1 = G4RandFlat::shoot(anXmin, xMax);
    y = G4Pow::GetInstance()->powA(x1, alpha);
    y *= G4Pow::GetInstance()->powN( G4Pow::GetInstance()->powA(1-x1-totalSea*anXmin, alpha+1) - 
                                     G4Pow::GetInstance()->powA(anXmin, alpha+1), nSea );
    y *= G4Pow::GetInstance()->powA(1-x1-totalSea*anXmin, aBeta+1) -
         G4Pow::GetInstance()->powA(anXmin, aBeta+1);
    x2 = ymax*G4UniformRand();
  } while( (x2>y) && ++loopCounter < maxNumberOfLoops );  /* Loop checking, 07.08.2015, A.Ribon */
  if ( loopCounter >= maxNumberOfLoops ) {
    x1 = 0.5*( anXmin + xMax );  // Just an acceptable value, without any physics consideration.         
  }
  result = x1;
  return result;
}

References alpha, G4UniformRand, G4Pow::GetInstance(), G4Pow::powA(), G4Pow::powN(), and G4INCL::DeJongSpin::shoot().

◆ Set4Momentum()

void G4VSplitableHadron::Set4Momentum ( const G4LorentzVector & a4Momentum )

inlineinherited

Definition at line 122 of file G4VSplitableHadron.hh.

{
  the4Momentum=a4Momentum;
}

References G4VSplitableHadron::the4Momentum.

Referenced by G4FTFModel::AdjustNucleons(), G4FTFModel::AdjustNucleonsAlgorithm_afterSampling(), G4FTFModel::AdjustNucleonsAlgorithm_beforeSampling(), G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4ElasticHNScattering::ElasticScattering(), G4QuarkExchange::ExciteParticipants(), G4SingleDiffractiveExcitation::ExciteParticipants(), G4QGSDiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4FTFModel::FinalizeKinematics(), G4QGSParticipants::FinalizeKinematics(), G4FTFModel::PutOnMassShell(), and G4QGSParticipants::PutOnMassShell().

◆ SetCollisionCount()

void G4VSplitableHadron::SetCollisionCount ( G4int aCount )

inlineinherited

Definition at line 117 of file G4VSplitableHadron.hh.

{
  theCollisionCount = aCount;
}

References G4VSplitableHadron::theCollisionCount.

Referenced by G4QGSParticipants::GetList(), G4QGSParticipants::ReggeonCascade(), G4GammaParticipants::SelectInteractions(), and G4QGSParticipants::SelectInteractions().

◆ SetDefinition()

void G4VSplitableHadron::SetDefinition ( const G4ParticleDefinition * aDefinition )

inlineinherited

Definition at line 132 of file G4VSplitableHadron.hh.

{
  theDefinition=aDefinition;
}

References G4VSplitableHadron::theDefinition.

Referenced by G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4FTFModel::GenerateDeltaIsobar(), and G4QGSParticipants::GenerateDeltaIsobar().

◆ SetFirstParton()

void G4QGSMSplitableHadron::SetFirstParton ( G4int PDGcode )

inlinevirtual

Implements G4VSplitableHadron.

Definition at line 116 of file G4QGSMSplitableHadron.hh.

117{PDGcode++;}

◆ SetPosition()

void G4VSplitableHadron::SetPosition ( const G4ThreeVector & aPosition )

inlineinherited

Definition at line 157 of file G4VSplitableHadron.hh.

{
  thePosition=aPosition;
}

References G4VSplitableHadron::thePosition.

Referenced by G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4ElasticHNScattering::ElasticScattering(), G4FTFParticipants::GetList(), and G4FTFParticipants::ShiftInteractionTime().

◆ SetSecondParton()

void G4QGSMSplitableHadron::SetSecondParton ( G4int PDGcode )

inlinevirtual

Implements G4VSplitableHadron.

Definition at line 118 of file G4QGSMSplitableHadron.hh.

119{PDGcode++;}

◆ SetStatus()

void G4VSplitableHadron::SetStatus ( const G4int aStatus )

inlineinherited

Definition at line 167 of file G4VSplitableHadron.hh.

{
  curStatus=aStatus;
}

References G4VSplitableHadron::curStatus.

Referenced by G4FTFAnnihilation::Annihilate(), G4FTFModel::BuildStrings(), G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4DiffractiveExcitation::ExciteParticipants_doChargeExchange(), G4DiffractiveExcitation::ExciteParticipants_doDiffraction(), G4QGSParticipants::GetList(), G4FTFParticipants::GetList(), G4FTFModel::ReggeonCascade(), G4QGSParticipants::ReggeonCascade(), G4GammaParticipants::SelectInteractions(), and G4QGSParticipants::SelectInteractions().

◆ SetTimeOfCreation()

void G4VSplitableHadron::SetTimeOfCreation ( G4double aTime )

inlineinherited

Definition at line 147 of file G4VSplitableHadron.hh.

{
  TimeOfCreation=aTime;
}

References G4VSplitableHadron::TimeOfCreation.

Referenced by G4FTFAnnihilation::Create1DiquarkAntiDiquarkString(), G4FTFAnnihilation::Create1QuarkAntiQuarkString(), G4FTFAnnihilation::Create2QuarkAntiQuarkStrings(), G4FTFAnnihilation::Create3QuarkAntiQuarkStrings(), G4ElasticHNScattering::ElasticScattering(), G4FTFModel::ReggeonCascade(), G4QGSParticipants::ReggeonCascade(), and G4FTFParticipants::ShiftInteractionTime().

◆ SoftSplitUp()

void G4QGSMSplitableHadron::SoftSplitUp ( )

private

Definition at line 178 of file G4QGSMSplitableHadron.cc.

{
  G4int nSeaPair = GetSoftCollisionCount()-1;
 
  G4LorentzVector tmp(0., 0., 0., 0.);
 
  G4int aSeaPair;
  for (aSeaPair = 0; aSeaPair < nSeaPair; aSeaPair++)
  {
    //  choose quark flavour, d:u:s = 1:1:(1/StrangeSuppress-2)
    G4int aPDGCode = 1 + (G4int)(G4UniformRand()/StrangeSuppress);
 
    //  BuildSeaQuark() determines quark spin, isospin and colour
    //  via parton-constructor G4Parton(aPDGCode)
    G4Parton * aParton = BuildSeaQuark(false, aPDGCode, nSeaPair);
 
    G4int firstPartonColour = aParton->GetColour();
    G4double firstPartonSpinZ = aParton->GetSpinZ();
 
    aParton->Set4Momentum(tmp);
    Color.push_back(aParton);
 
    // create anti-quark
    aParton = BuildSeaQuark(true, aPDGCode, nSeaPair);
    aParton->SetSpinZ(-firstPartonSpinZ);
    aParton->SetColour(-firstPartonColour);
    AntiColor.push_back(aParton);
  }
 
  // Valence quark
  G4Parton* pColorParton = NULL;
  G4Parton* pAntiColorParton = NULL;
  GetValenceQuarkFlavors(GetDefinition(), pColorParton, pAntiColorParton);
 
  pColorParton->Set4Momentum(tmp);
  pAntiColorParton->Set4Momentum(tmp);
 
  Color.push_back(pColorParton);
  AntiColor.push_back(pAntiColorParton);
 
  iP=0; iAP=0;
 
  return;
} 

References AntiColor, BuildSeaQuark(), Color, G4UniformRand, G4Parton::GetColour(), G4VSplitableHadron::GetDefinition(), G4VSplitableHadron::GetSoftCollisionCount(), G4Parton::GetSpinZ(), GetValenceQuarkFlavors(), iAP, iP, G4Parton::Set4Momentum(), G4Parton::SetColour(), G4Parton::SetSpinZ(), and StrangeSuppress.

Referenced by SplitUp().

◆ Splitting()

void G4VSplitableHadron::Splitting ( )

inlineprotectedinherited

Definition at line 93 of file G4VSplitableHadron.hh.

93{isSplit = true;}

References G4VSplitableHadron::isSplit.

Referenced by G4DiffractiveSplitableHadron::SplitUp(), and SplitUp().

◆ SplitUp()

void G4QGSMSplitableHadron::SplitUp ( )

virtual

Implements G4VSplitableHadron.

Definition at line 113 of file G4QGSMSplitableHadron.cc.

{  
  if (IsSplit()) return;
  Splitting();  // To mark that a hadron is split
  if (Color.size()!=0) return;
  if (GetSoftCollisionCount() == 0)  // GetSoftCollisionCount() from G4VSplitableHadron
  {
    DiffractiveSplitUp();
  }
  else
  {
    SoftSplitUp();
  }
}

References Color, DiffractiveSplitUp(), G4VSplitableHadron::GetSoftCollisionCount(), G4VSplitableHadron::IsSplit(), SoftSplitUp(), and G4VSplitableHadron::Splitting().

Field Documentation

◆ alpha

G4double G4QGSMSplitableHadron::alpha

private

Definition at line 89 of file G4QGSMSplitableHadron.hh.

Referenced by InitParameters(), and SampleX().

◆ AntiColor

std::deque<G4Parton *> G4QGSMSplitableHadron::AntiColor

private

Definition at line 78 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), GetNextAntiParton(), and SoftSplitUp().

◆ beta

G4double G4QGSMSplitableHadron::beta

private

Definition at line 90 of file G4QGSMSplitableHadron.hh.

Referenced by InitParameters().

◆ Color

std::deque<G4Parton *> G4QGSMSplitableHadron::Color

private

Definition at line 77 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), GetNextParton(), SoftSplitUp(), and SplitUp().

◆ curStatus

G4int G4VSplitableHadron::curStatus

privateinherited

Definition at line 108 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::GetStatus(), and G4VSplitableHadron::SetStatus().

◆ Direction

G4bool G4QGSMSplitableHadron::Direction

private

Definition at line 75 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), G4QGSMSplitableHadron(), and InitParameters().

◆ iAP

unsigned int G4QGSMSplitableHadron::iAP

private

Definition at line 80 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), GetNextAntiParton(), InitParameters(), and SoftSplitUp().

◆ iP

unsigned int G4QGSMSplitableHadron::iP

private

Definition at line 79 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), GetNextParton(), InitParameters(), and SoftSplitUp().

◆ isSplit

G4bool G4VSplitableHadron::isSplit

privateinherited

Definition at line 109 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::IsSplit(), and G4VSplitableHadron::Splitting().

◆ minTransverseMass

G4double G4QGSMSplitableHadron::minTransverseMass

private

Definition at line 95 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), and InitParameters().

◆ sigmaPt

G4double G4QGSMSplitableHadron::sigmaPt

private

Definition at line 93 of file G4QGSMSplitableHadron.hh.

Referenced by BuildSeaQuark(), and InitParameters().

◆ StrangeSuppress

G4double G4QGSMSplitableHadron::StrangeSuppress

private

Definition at line 92 of file G4QGSMSplitableHadron.hh.

Referenced by InitParameters(), and SoftSplitUp().

◆ the4Momentum

G4LorentzVector G4VSplitableHadron::the4Momentum

privateinherited

Definition at line 102 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::Get4Momentum(), and G4VSplitableHadron::Set4Momentum().

◆ theBaryonSplitter

G4BaryonSplitter G4QGSMSplitableHadron::theBaryonSplitter

private

Definition at line 85 of file G4QGSMSplitableHadron.hh.

Referenced by GetValenceQuarkFlavors().

◆ theCollisionCount

G4int G4VSplitableHadron::theCollisionCount

privateinherited

Definition at line 106 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::GetSoftCollisionCount(), G4VSplitableHadron::IncrementCollisionCount(), and G4VSplitableHadron::SetCollisionCount().

◆ theDefinition

const G4ParticleDefinition* G4VSplitableHadron::theDefinition

privateinherited

Definition at line 100 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::GetDefinition(), and G4VSplitableHadron::SetDefinition().

◆ theMesonSplitter

G4MesonSplitter G4QGSMSplitableHadron::theMesonSplitter

private

Definition at line 84 of file G4QGSMSplitableHadron.hh.

Referenced by GetValenceQuarkFlavors().

◆ theMinPz

G4double G4QGSMSplitableHadron::theMinPz

private

Definition at line 91 of file G4QGSMSplitableHadron.hh.

Referenced by InitParameters().

◆ thePosition

G4ThreeVector G4VSplitableHadron::thePosition

privateinherited

Definition at line 105 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::GetPosition(), and G4VSplitableHadron::SetPosition().

◆ TimeOfCreation

G4double G4VSplitableHadron::TimeOfCreation

privateinherited

Definition at line 104 of file G4VSplitableHadron.hh.

Referenced by G4VSplitableHadron::G4VSplitableHadron(), G4VSplitableHadron::GetTimeOfCreation(), and G4VSplitableHadron::SetTimeOfCreation().

◆ widthOfPtSquare

G4double G4QGSMSplitableHadron::widthOfPtSquare

private

Definition at line 94 of file G4QGSMSplitableHadron.hh.

Referenced by DiffractiveSplitUp(), and InitParameters().

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

source/processes/hadronic/models/parton_string/qgsm/include/G4QGSMSplitableHadron.hh
source/processes/hadronic/models/parton_string/qgsm/src/G4QGSMSplitableHadron.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ G4QGSMSplitableHadron() [1/5]

◆ G4QGSMSplitableHadron() [2/5]

◆ G4QGSMSplitableHadron() [3/5]

◆ G4QGSMSplitableHadron() [4/5]

◆ G4QGSMSplitableHadron() [5/5]

◆ ~G4QGSMSplitableHadron()

Member Function Documentation

◆ BuildSeaQuark()

◆ DiffractiveSplitUp()

◆ GaussianPt()

◆ Get4Momentum()

◆ GetDefinition()

◆ GetNextAntiParton()

◆ GetNextParton()

◆ GetPosition()

◆ GetSoftCollisionCount()

◆ GetStatus()

◆ GetTimeOfCreation()

◆ GetValenceQuarkFlavors()

◆ IncrementCollisionCount()

◆ InitParameters()

◆ IsSplit()

◆ operator!=()

◆ operator=()

◆ operator==()

◆ SampleX()

◆ Set4Momentum()

◆ SetCollisionCount()

◆ SetDefinition()

◆ SetFirstParton()

◆ SetPosition()

◆ SetSecondParton()

◆ SetStatus()

◆ SetTimeOfCreation()

◆ SoftSplitUp()

◆ Splitting()

◆ SplitUp()

Field Documentation

◆ alpha

◆ AntiColor

◆ beta

◆ Color

◆ curStatus

◆ Direction

◆ iAP

◆ iP

◆ isSplit

◆ minTransverseMass

◆ sigmaPt

◆ StrangeSuppress

◆ the4Momentum

◆ theBaryonSplitter

◆ theCollisionCount

◆ theDefinition

◆ theMesonSplitter

◆ theMinPz

◆ thePosition

◆ TimeOfCreation

◆ widthOfPtSquare