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() [1/4]

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() [2/4]

G4FragmentingString::G4FragmentingString

(

const G4ExcitedString &

excited

)

Definition at line 78 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;
}

G4FragmentingString() [3/4]

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();
    } 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() [4/4]

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

Definition at line 133 of file G4FragmentingString.cc.

{                                                                         
    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::~G4FragmentingString

(

)

Definition at line 160 of file G4FragmentingString.cc.

{}

Member Function Documentation

DecayIsQuark()

G4bool G4FragmentingString::DecayIsQuark

(

)

Definition at line 202 of file G4FragmentingString.cc.

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

Referenced by G4VLongitudinalStringDecay::Splitup().

DecayPt()

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();
}

FourQuarkString()

G4bool G4FragmentingString::FourQuarkString

(

void

)

const

Definition at line 194 of file G4FragmentingString.cc.

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

Referenced by G4VLongitudinalStringDecay::FragmentationMass().

Get4Momentum()

G4LorentzVector G4FragmentingString::Get4Momentum

(

)

const

Definition at line 252 of file G4FragmentingString.cc.

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

GetDecayDirection()

G4int G4FragmentingString::GetDecayDirection

(

)

const

Definition at line 184 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;
}

Referenced by G4QGSMFragmentation::FragmentString().

GetDecayParton()

G4ParticleDefinition * G4FragmentingString::GetDecayParton ( ) const

inline

Definition at line 131 of file G4FragmentingString.hh.

{
     return  theDecayParton;
}   

Referenced by G4VLongitudinalStringDecay::Splitup().

GetLeftParton()

G4ParticleDefinition * G4FragmentingString::GetLeftParton ( void  ) const

inline

Definition at line 137 of file G4FragmentingString.hh.

    {
    return LeftParton; 
    }

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

GetRightParton()

G4ParticleDefinition * G4FragmentingString::GetRightParton ( void  ) const

inline

Definition at line 143 of file G4FragmentingString.hh.

    {
    return RightParton; 
    }

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

GetStableParton()

G4ParticleDefinition * G4FragmentingString::GetStableParton ( ) const

inline

Definition at line 125 of file G4FragmentingString.hh.

{
     return  theStableParton;
}   

LightConeDecay()

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;
}

LightConeMinus()

G4double G4FragmentingString::LightConeMinus

(

)

Definition at line 237 of file G4FragmentingString.cc.

{
    return Pminus;
}

LightConePlus()

G4double G4FragmentingString::LightConePlus

(

)

Definition at line 232 of file G4FragmentingString.cc.

{
    return Pplus;
}

Mass()

G4double G4FragmentingString::Mass

(

)

const

Definition at line 265 of file G4FragmentingString.cc.

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

Mass2()

G4double G4FragmentingString::Mass2

(

)

const

Definition at line 260 of file G4FragmentingString.cc.

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

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

MassT2()

G4double G4FragmentingString::MassT2

(

)

const

Definition at line 270 of file G4FragmentingString.cc.

{
    return Pplus*Pminus;
}

operator!=()

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

inline

Definition at line 118 of file G4FragmentingString.hh.

{
    return this != &right;
}

operator=()

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;
}

operator==()

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

inline

Definition at line 112 of file G4FragmentingString.hh.

{
    return this == &right;
}

SetLeftPartonStable()

void G4FragmentingString::SetLeftPartonStable

(

)

Definition at line 166 of file G4FragmentingString.cc.

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

SetRightPartonStable()

void G4FragmentingString::SetRightPartonStable

(

)

Definition at line 175 of file G4FragmentingString.cc.

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

StableIsQuark()

G4bool G4FragmentingString::StableIsQuark

(

)

Definition at line 207 of file G4FragmentingString.cc.

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

StablePt()

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();
}

---

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

• G4FragmentingString.hh
• G4FragmentingString.cc