G4FragmentingString Class Reference

#include <G4FragmentingString.hh>

Public Member Functions
	G4FragmentingString (const G4FragmentingString &right)
	G4FragmentingString (const G4ExcitedString &excited)
	G4FragmentingString (const G4FragmentingString &old, G4ParticleDefinition *newdecay, const G4LorentzVector *momentum)
	G4FragmentingString (const G4FragmentingString &old, G4ParticleDefinition *newdecay)
	~G4FragmentingString ()
G4FragmentingString &	operator= (const G4FragmentingString &)
int	operator== (const G4FragmentingString &right) const
int	operator!= (const G4FragmentingString &right) const
G4LorentzVector	Get4Momentum () const
G4ThreeVector	StablePt ()
G4ThreeVector	DecayPt ()
G4double	LightConePlus ()
G4double	LightConeMinus ()
G4double	LightConeDecay ()
G4double	Mass () const
G4double	Mass2 () const
G4double	MassT2 () const
G4ParticleDefinition *	GetLeftParton (void) const
G4ParticleDefinition *	GetRightParton (void) const
G4ParticleDefinition *	GetStableParton () const
G4ParticleDefinition *	GetDecayParton () const
void	SetLeftPartonStable ()
void	SetRightPartonStable ()
G4int	GetDecayDirection () const
G4bool	DecayIsQuark ()
G4bool	StableIsQuark ()
G4bool	FourQuarkString (void) const

Detailed Description

Definition at line 49 of file G4FragmentingString.hh.

Constructor & Destructor Documentation

G4FragmentingString::G4FragmentingString

(

const G4FragmentingString &

right

)

Definition at line 46 of file G4FragmentingString.cc.

{
    LeftParton=old.LeftParton;
    RightParton=old.RightParton;
    Ptleft=old.Ptleft;
    Ptright=old.Ptright;
    Pplus=old.Pplus;
    Pminus=old.Pminus;
    theStableParton=old.theStableParton;
    theDecayParton=old.theDecayParton;
    decaying=old.decaying;
}

G4FragmentingString::G4FragmentingString

(

const G4ExcitedString &

excited

)

Definition at line 78 of file G4FragmentingString.cc.

References CLHEP::HepLorentzVector::e(), G4Parton::Get4Momentum(), G4ExcitedString::Get4Momentum(), G4Parton::GetDefinition(), G4ExcitedString::GetLeftParton(), G4ExcitedString::GetRightParton(), CLHEP::HepLorentzVector::pz(), CLHEP::Hep3Vector::setZ(), and CLHEP::HepLorentzVector::vect().

{
    LeftParton=excited.GetLeftParton()->GetDefinition();
    RightParton=excited.GetRightParton()->GetDefinition();
    Ptleft=excited.GetLeftParton()->Get4Momentum().vect();
    Ptleft.setZ(0.);
    Ptright=excited.GetRightParton()->Get4Momentum().vect();
    Ptright.setZ(0.);
    G4LorentzVector P=excited.Get4Momentum();
    Pplus =P.e() + P.pz();
    Pminus=P.e() - P.pz();
    theStableParton=0;
    theDecayParton=0;
    decaying=None;
}

G4FragmentingString::G4FragmentingString	(	const G4FragmentingString &	old,
		G4ParticleDefinition *	newdecay,
		const G4LorentzVector *	momentum
	)

Definition at line 96 of file G4FragmentingString.cc.

References CLHEP::HepLorentzVector::e(), GetLeftParton(), GetRightParton(), CLHEP::HepLorentzVector::pz(), CLHEP::Hep3Vector::setZ(), and CLHEP::HepLorentzVector::vect().

{
    decaying=None;
    if ( old.decaying == Left )
    {
        RightParton= old.RightParton;
        Ptright    = old.Ptright;
        LeftParton = newdecay;
        Ptleft     = old.Ptleft - momentum->vect();
        Ptleft.setZ(0.);
        theDecayParton=GetLeftParton();
        theStableParton=GetRightParton();
    } else if ( old.decaying == Right )
    {
        RightParton = newdecay;
        Ptright     = old.Ptright - momentum->vect();
        Ptright.setZ(0.);
        LeftParton  = old.LeftParton;
        Ptleft      = old.Ptleft;
        theDecayParton=GetRightParton();
        theStableParton=GetLeftParton();
    } else
    {
        throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::G4FragmentingString: no decay Direction defined");
    }
    Pplus  = old.Pplus  - (momentum->e() + momentum->pz());
    Pminus = old.Pminus - (momentum->e() - momentum->pz());
    
    //G4double Eold=0.5 * (old.Pplus + old.Pminus);
    //G4double Enew=0.5 * (Pplus + Pminus);
}

G4FragmentingString::G4FragmentingString	(	const G4FragmentingString &	old,
		G4ParticleDefinition *	newdecay
	)

Definition at line 133 of file G4FragmentingString.cc.

References CLHEP::Hep3Vector::setX(), CLHEP::Hep3Vector::setY(), and CLHEP::Hep3Vector::setZ().

{                                                                         
    decaying=None;                                                    

        Ptleft.setX(0.);  Ptleft.setY(0.);  Ptleft.setZ(0.);  // Uzhi 25.02.2011
        Ptright.setX(0.); Ptright.setY(0.); Ptright.setZ(0.); // Uzhi 25.02.2011
        Pplus=0.; Pminus=0.;                                  // Uzhi 25.02.2011
        theStableParton=0; theDecayParton=0;                  // Uzhi 25.02.2011

    if ( old.decaying == Left )                                       
    {                                                                 
        RightParton= old.RightParton;                             
        LeftParton = newdecay;                                    
    } else if ( old.decaying == Right )                               
    {                                                                 
        RightParton = newdecay;                                   
        LeftParton  = old.LeftParton;                             
    } else                                                            
    {
        throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::G4FragmentingString: no decay Direction defined");
    }
}

G4FragmentingString::~G4FragmentingString

(

)

Definition at line 160 of file G4FragmentingString.cc.

{}

Member Function Documentation

G4bool G4FragmentingString::DecayIsQuark

(

)

Definition at line 202 of file G4FragmentingString.cc.

References G4ParticleDefinition::GetParticleSubType().

Referenced by G4VLongitudinalStringDecay::Splitup().

{
    return theDecayParton->GetParticleSubType()== "quark";
}

G4ThreeVector G4FragmentingString::DecayPt

(

)

Definition at line 222 of file G4FragmentingString.cc.

{
    if (decaying == Left ) return Ptleft;
    else if (decaying == Right ) return Ptright;
    else throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::DecayPt: decay side UNdefined!");
    return G4ThreeVector();
}

G4bool G4FragmentingString::FourQuarkString

(

void

)

const

Definition at line 194 of file G4FragmentingString.cc.

References G4ParticleDefinition::GetParticleSubType().

Referenced by G4VLongitudinalStringDecay::FragmentationMass().

{
    return   LeftParton->GetParticleSubType()== "di_quark" 
         && RightParton->GetParticleSubType()== "di_quark";
}

G4LorentzVector G4FragmentingString::Get4Momentum

(

)

const

Definition at line 252 of file G4FragmentingString.cc.

References CLHEP::HepLorentzVector::setE(), and CLHEP::HepLorentzVector::setPz().

{
        G4LorentzVector momentum(Ptleft+Ptright,0);
    momentum.setPz(0.5*(Pplus-Pminus));
    momentum.setE(0.5*(Pplus+Pminus));
    return momentum;
}

G4int G4FragmentingString::GetDecayDirection

(

)

const

Definition at line 184 of file G4FragmentingString.cc.

Referenced by G4QGSMFragmentation::FragmentString().

{
    if      (decaying == Left ) return +1;
    else if (decaying == Right) return -1;
    else throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::GetDecayDirection: decay side UNdefined!");
    return 0;
}

G4ParticleDefinition * G4FragmentingString::GetDecayParton ( ) const

inline

Definition at line 131 of file G4FragmentingString.hh.

Referenced by G4VLongitudinalStringDecay::Splitup().

{
     return  theDecayParton;
}   

G4ParticleDefinition * G4FragmentingString::GetLeftParton ( void  ) const

inline

Definition at line 137 of file G4FragmentingString.hh.

Referenced by G4VLongitudinalStringDecay::FragmentationMass(), G4FragmentingString(), SetLeftPartonStable(), and SetRightPartonStable().

    {
    return LeftParton; 
    }

G4ParticleDefinition * G4FragmentingString::GetRightParton ( void  ) const

inline

Definition at line 143 of file G4FragmentingString.hh.

Referenced by G4VLongitudinalStringDecay::FragmentationMass(), G4FragmentingString(), SetLeftPartonStable(), and SetRightPartonStable().

    {
    return RightParton; 
    }

G4ParticleDefinition * G4FragmentingString::GetStableParton ( ) const

inline

Definition at line 125 of file G4FragmentingString.hh.

{
     return  theStableParton;
}   

G4double G4FragmentingString::LightConeDecay

(

)

Definition at line 242 of file G4FragmentingString.cc.

{
    if (decaying == Left ) return Pplus;
    else if (decaying == Right ) return Pminus;
    else throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::DecayPt: decay side UNdefined!");
    return 0;
}

G4double G4FragmentingString::LightConeMinus

(

)

Definition at line 237 of file G4FragmentingString.cc.

{
    return Pminus;
}

G4double G4FragmentingString::LightConePlus

(

)

Definition at line 232 of file G4FragmentingString.cc.

{
    return Pplus;
}

G4double G4FragmentingString::Mass

(

)

const

Definition at line 265 of file G4FragmentingString.cc.

References Mass2().

{
    return std::sqrt(this->Mass2());
}

G4double G4FragmentingString::Mass2

(

)

const

Definition at line 260 of file G4FragmentingString.cc.

Referenced by G4VLongitudinalStringDecay::LightFragmentationTest(), and Mass().

{
    return Pplus*Pminus - (Ptleft+Ptright).mag2();
}

G4double G4FragmentingString::MassT2

(

)

const

Definition at line 270 of file G4FragmentingString.cc.

{
    return Pplus*Pminus;
}

int G4FragmentingString::operator!= ( const G4FragmentingString &  right ) const

inline

Definition at line 118 of file G4FragmentingString.hh.

References right.

{
    return this != &right;
}

G4FragmentingString & G4FragmentingString::operator=

(

const G4FragmentingString &

old

)

Definition at line 59 of file G4FragmentingString.cc.

{
   if (this != &old)
   {
   LeftParton=old.LeftParton;
   RightParton=old.RightParton;
   Ptleft=old.Ptleft;
   Ptright=old.Ptright;
   Pplus=old.Pplus;
   Pminus=old.Pminus;
   theStableParton=old.theStableParton;
   theDecayParton=old.theDecayParton;
   decaying=old.decaying;
   }
   return *this;
}

int G4FragmentingString::operator== ( const G4FragmentingString &  right ) const

inline

Definition at line 112 of file G4FragmentingString.hh.

References right.

{
    return this == &right;
}

void G4FragmentingString::SetLeftPartonStable

(

)

Definition at line 166 of file G4FragmentingString.cc.

References GetLeftParton(), and GetRightParton().

{
     theStableParton=GetLeftParton();
     theDecayParton=GetRightParton();
     decaying=Right;
}

void G4FragmentingString::SetRightPartonStable

(

)

Definition at line 175 of file G4FragmentingString.cc.

References GetLeftParton(), and GetRightParton().

{
     theStableParton=GetRightParton();
     theDecayParton=GetLeftParton();
     decaying=Left;
}

G4bool G4FragmentingString::StableIsQuark

(

)

Definition at line 207 of file G4FragmentingString.cc.

References G4ParticleDefinition::GetParticleSubType().

{
    return theStableParton->GetParticleSubType()== "quark";
}

G4ThreeVector G4FragmentingString::StablePt

(

)

Definition at line 214 of file G4FragmentingString.cc.

{
    if (decaying == Left ) return Ptright;
    else if (decaying == Right ) return Ptleft;
    else throw G4HadronicException(__FILE__, __LINE__, "G4FragmentingString::DecayPt: decay side UNdefined!");
    return G4ThreeVector();
}

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

• G4FragmentingString.hh
• G4FragmentingString.cc