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 44 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 76 of file G4FragmentingString.cc.

{
    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;
        if(excited.GetDirection() > 0) {decaying=Left; }
        else                           {decaying=Right;}
}

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

Definition at line 96 of file G4FragmentingString.cc.

{
    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();
        decaying=Left;
    } 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();
        decaying=Right;
    } 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);
}

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

Definition at line 135 of file G4FragmentingString.cc.

{                                                                         
    decaying=None;                                                    

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

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

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G4FragmentingString::~G4FragmentingString

(

)

Definition at line 164 of file G4FragmentingString.cc.

{}

Member Function Documentation

G4bool G4FragmentingString::DecayIsQuark

(

)

Definition at line 205 of file G4FragmentingString.cc.

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

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G4ThreeVector G4FragmentingString::DecayPt

(

)

Definition at line 225 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 197 of file G4FragmentingString.cc.

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

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G4LorentzVector G4FragmentingString::Get4Momentum

(

)

const

Definition at line 254 of file G4FragmentingString.cc.

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

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G4int G4FragmentingString::GetDecayDirection

(

)

const

Definition at line 187 of file G4FragmentingString.cc.

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

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G4ParticleDefinition * G4FragmentingString::GetDecayParton ( ) const

inline

Definition at line 128 of file G4FragmentingString.hh.

{
        return  theDecayParton;
}   

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G4ParticleDefinition * G4FragmentingString::GetLeftParton ( void  ) const

inline

Definition at line 134 of file G4FragmentingString.hh.

{
        return LeftParton; 
}

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G4ParticleDefinition * G4FragmentingString::GetRightParton ( void  ) const

inline

Definition at line 140 of file G4FragmentingString.hh.

{
        return RightParton; 
}

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G4ParticleDefinition * G4FragmentingString::GetStableParton ( ) const

inline

Definition at line 122 of file G4FragmentingString.hh.

{
        return  theStableParton;
}   

G4double G4FragmentingString::LightConeDecay

(

)

Definition at line 245 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!");
}

G4double G4FragmentingString::LightConeMinus

(

)

Definition at line 240 of file G4FragmentingString.cc.

{
    return Pminus;
}

G4double G4FragmentingString::LightConePlus

(

)

Definition at line 235 of file G4FragmentingString.cc.

{
    return Pplus;
}

G4double G4FragmentingString::Mass

(

)

const

Definition at line 267 of file G4FragmentingString.cc.

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

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G4double G4FragmentingString::Mass2

(

)

const

Definition at line 262 of file G4FragmentingString.cc.

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

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G4double G4FragmentingString::MassT2

(

)

const

Definition at line 272 of file G4FragmentingString.cc.

{
    return Pplus*Pminus;
}

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

inline

Definition at line 115 of file G4FragmentingString.hh.

{
    return this != &right;
}

G4FragmentingString & G4FragmentingString::operator=

(

const G4FragmentingString &

old

)

Definition at line 57 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 109 of file G4FragmentingString.hh.

{
    return this == &right;
}

void G4FragmentingString::SetLeftPartonStable

(

)

Definition at line 169 of file G4FragmentingString.cc.

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

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void G4FragmentingString::SetRightPartonStable

(

)

Definition at line 178 of file G4FragmentingString.cc.

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

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G4bool G4FragmentingString::StableIsQuark

(

)

Definition at line 210 of file G4FragmentingString.cc.

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

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G4ThreeVector G4FragmentingString::StablePt

(

)

Definition at line 217 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:

• geant4.10.03.p01/source/processes/hadronic/models/parton_string/hadronization/include/G4FragmentingString.hh
• geant4.10.03.p01/source/processes/hadronic/models/parton_string/hadronization/src/G4FragmentingString.cc