#include <G4Parton.hh>
Public Member Functions | |
G4Parton () | |
G4Parton (G4int PDGencoding) | |
G4Parton (const G4Parton &right) | |
~G4Parton () | |
G4Parton & | operator= (const G4Parton &right) |
int | operator== (const G4Parton &right) const |
int | operator!= (const G4Parton &right) const |
G4int | GetPDGcode () const |
G4ParticleDefinition * | GetDefinition () |
void | DefineMomentumInZ (G4double aLightConeMomentum, G4bool aDirection) |
void | DefineMomentumInZ (G4double aLightConeMomentum, G4double aLightConeE, G4bool aDirection) |
const G4ThreeVector & | GetPosition () const |
void | SetPosition (const G4ThreeVector &aPosition) |
const G4LorentzVector & | Get4Momentum () const |
void | Set4Momentum (const G4LorentzVector &aMomentum) |
void | SetX (G4double anX) |
G4double | GetX () |
void | SetColour (G4int aColour) |
G4int | GetColour () |
void | SetIsoSpinZ (G4double anIsoSpinZ) |
G4double | GetIsoSpinZ () |
void | SetSpinZ (G4double aSpinZ) |
G4double | GetSpinZ () |
Definition at line 47 of file G4Parton.hh.
G4Parton::G4Parton | ( | ) | [inline] |
Definition at line 50 of file G4Parton.hh.
References G4UniformRand.
00051 { 00052 // CAUTION: 00053 // this is a preliminary definition yielding u and d quarks only! 00054 // 00055 PDGencoding=(G4int)(2.*G4UniformRand()); 00056 theColour = (G4int)(3.*G4UniformRand())+1; 00057 theIsoSpinZ = ((G4int)(G4UniformRand()))-0.5; 00058 theSpinZ = ((G4int)(G4UniformRand()))-0.5; 00059 }
G4Parton::G4Parton | ( | G4int | PDGencoding | ) |
Definition at line 39 of file G4Parton.cc.
References G4ParticleTable::FindParticle(), G4cout, G4endl, G4UniformRand, G4ParticleTable::GetParticleTable(), G4ParticleDefinition::GetParticleType(), G4ParticleDefinition::GetPDGiIsospin(), G4ParticleDefinition::GetPDGIsospin3(), and G4ParticleDefinition::GetPDGiSpin().
00040 { 00041 PDGencoding=PDGcode; 00042 theX = 0; 00043 theDefinition=G4ParticleTable::GetParticleTable()->FindParticle(PDGencoding); 00044 if (theDefinition == NULL) 00045 { 00046 G4cout << "Encoding = "<<PDGencoding<<G4endl; 00047 G4String text = "G4Parton::GetDefinition(): Encoding not in particle table"; 00048 throw G4HadronicException(__FILE__, __LINE__, text); 00049 } 00050 // 00051 // colour by random in (1,2,3)=(R,G,B) for quarks and 00052 // in (-1,-2,-3)=(Rbar,Gbar,Bbar) for anti-quarks: 00053 // 00054 if (theDefinition->GetParticleType() == "quarks") { 00055 theColour = ((G4int)(3.*G4UniformRand())+1)*(std::abs(PDGencoding)/PDGencoding) ; 00056 } 00057 // 00058 // colour by random in (-1,-2,-3)=(Rbar,Gbar,Bbar)=(GB,RB,RG) for di-quarks and 00059 // in (1,2,3)=(R,G,B)=(GB,RB,RG) for anti-di-quarks: 00060 // 00061 else if (theDefinition->GetParticleType() == "diquarks") { 00062 theColour = -((G4int)(3.*G4UniformRand())+1)*(std::abs(PDGencoding)/PDGencoding); 00063 } 00064 // 00065 // colour by random in (-11,-12,...,-33)=(RRbar,RGbar,RBbar,...,BBbar) for gluons: 00066 // 00067 else if (theDefinition->GetParticleType() == "gluons") { 00068 theColour = -(((G4int)(3.*G4UniformRand())+1)*10 + ((G4int)(3.*G4UniformRand())+1)); 00069 } 00070 else { 00071 G4cout << "Encoding = "<<PDGencoding<<G4endl; 00072 G4String text = "G4Parton::GetDefinition(): Particle is not a parton"; 00073 throw G4HadronicException(__FILE__, __LINE__, text); 00074 } 00075 // 00076 // isospin-z from PDG-encoded isospin-z for 00077 // quarks, anti-quarks, di-quarks, and anti-di-quarks: 00078 // 00079 if ((theDefinition->GetParticleType() == "quarks") || (theDefinition->GetParticleType() == "diquarks")){ 00080 theIsoSpinZ = theDefinition->GetPDGIsospin3(); 00081 } 00082 // 00083 // isospin-z choosen at random from PDG-encoded isospin for gluons (should be zero): 00084 // 00085 else { 00086 G4int thisPDGiIsospin=theDefinition->GetPDGiIsospin(); 00087 if (thisPDGiIsospin == 0) { 00088 theIsoSpinZ = 0; 00089 } 00090 else { 00091 theIsoSpinZ = ((G4int)((thisPDGiIsospin+1)*G4UniformRand()))-thisPDGiIsospin*0.5; 00092 } 00093 } 00094 // 00095 // spin-z choosen at random from PDG-encoded spin: 00096 // 00097 G4int thisPDGiSpin=theDefinition->GetPDGiSpin(); 00098 if (thisPDGiSpin == 0) { 00099 theSpinZ = 0; 00100 } 00101 else { 00102 G4int rand=((G4int)((thisPDGiSpin+1)*G4UniformRand())); 00103 theSpinZ = rand-thisPDGiSpin*0.5;; 00104 } 00105 }
G4Parton::G4Parton | ( | const G4Parton & | right | ) |
Definition at line 107 of file G4Parton.cc.
References PDGencoding, theColour, theDefinition, theIsoSpinZ, theMomentum, thePosition, theSpinZ, and theX.
00108 { 00109 PDGencoding = right.PDGencoding; 00110 theMomentum = right.theMomentum; 00111 thePosition = right.thePosition; 00112 theX = right.theX; 00113 theDefinition = right.theDefinition; 00114 theColour = right.theColour; 00115 theIsoSpinZ = right.theIsoSpinZ; 00116 theSpinZ = right.theSpinZ; 00117 }
G4Parton::~G4Parton | ( | ) |
Definition at line 136 of file G4Parton.cc.
00137 { 00138 // cout << "G4Parton::~G4Parton(): this = "<<this <<endl; 00139 // cout << "break here"<<this <<endl; 00140 }
void G4Parton::DefineMomentumInZ | ( | G4double | aLightConeMomentum, | |
G4double | aLightConeE, | |||
G4bool | aDirection | |||
) |
Definition at line 153 of file G4Parton.cc.
References Get4Momentum(), Set4Momentum(), and sqr().
00154 { 00155 G4double Mass = GetMass(); 00156 G4LorentzVector a4Momentum = Get4Momentum(); 00157 aLightConeMomentum*=theX; 00158 aLightConeE*=theX; 00159 G4double TransverseMass2 = sqr(a4Momentum.px()) + sqr(a4Momentum.py()) + sqr(Mass); 00160 a4Momentum.setPz(0.5*(aLightConeMomentum - aLightConeE - TransverseMass2/aLightConeMomentum)*(aDirection? 1: -1)); 00161 a4Momentum.setE( 0.5*(aLightConeMomentum + aLightConeE + TransverseMass2/aLightConeMomentum)); 00162 Set4Momentum(a4Momentum); 00163 }
Definition at line 142 of file G4Parton.cc.
References Get4Momentum(), Set4Momentum(), and sqr().
00143 { 00144 G4double Mass = GetMass(); 00145 G4LorentzVector a4Momentum = Get4Momentum(); 00146 aLightConeMomentum*=theX; 00147 G4double TransverseMass2 = sqr(a4Momentum.px()) + sqr(a4Momentum.py()) + sqr(Mass); 00148 a4Momentum.setPz(0.5*(aLightConeMomentum - TransverseMass2/aLightConeMomentum)*(aDirection? 1: -1)); 00149 a4Momentum.setE( 0.5*(aLightConeMomentum + TransverseMass2/aLightConeMomentum)); 00150 Set4Momentum(a4Momentum); 00151 }
const G4LorentzVector & G4Parton::Get4Momentum | ( | ) | const [inline] |
Definition at line 140 of file G4Parton.hh.
Referenced by G4SoftStringBuilder::BuildString(), G4DiffractiveExcitation::CreateStrings(), DefineMomentumInZ(), G4VKinkyStringDecay::FragmentString(), G4FragmentingString::G4FragmentingString(), G4PartonPair::G4PartonPair(), operator=(), G4QGSParticipants::PerformDiffractiveCollisions(), G4QGSParticipants::PerformSoftCollisions(), and G4QGSDiffractiveExcitation::String().
G4int G4Parton::GetColour | ( | ) | [inline] |
G4ParticleDefinition * G4Parton::GetDefinition | ( | ) | [inline] |
Definition at line 158 of file G4Parton.hh.
Referenced by G4DiffractiveExcitation::CreateStrings(), G4FragmentingString::G4FragmentingString(), and G4PartonPair::G4PartonPair().
G4double G4Parton::GetIsoSpinZ | ( | ) | [inline] |
G4int G4Parton::GetPDGcode | ( | ) | const [inline] |
Definition at line 124 of file G4Parton.hh.
Referenced by G4SoftStringBuilder::BuildString(), G4DiffractiveExcitation::CreateStrings(), G4ExcitedString::GetAntiColorParton(), G4ExcitedString::GetColorParton(), operator=(), G4QGSParticipants::PerformDiffractiveCollisions(), G4QGSParticipants::PerformSoftCollisions(), and G4QGSDiffractiveExcitation::String().
const G4ThreeVector & G4Parton::GetPosition | ( | ) | const [inline] |
Definition at line 129 of file G4Parton.hh.
Referenced by G4VKinkyStringDecay::FragmentString(), G4ExcitedString::G4ExcitedString(), and operator=().
G4double G4Parton::GetSpinZ | ( | ) | [inline] |
G4double G4Parton::GetX | ( | ) | [inline] |
Definition at line 86 of file G4Parton.hh.
Referenced by G4SoftStringBuilder::BuildString(), G4QGSParticipants::PerformDiffractiveCollisions(), and G4QGSParticipants::PerformSoftCollisions().
int G4Parton::operator!= | ( | const G4Parton & | right | ) | const [inline] |
Definition at line 119 of file G4Parton.cc.
References Get4Momentum(), GetPDGcode(), GetPosition(), theColour, theDefinition, theIsoSpinZ, theSpinZ, and theX.
00120 { 00121 if (this != &right) 00122 { 00123 PDGencoding=right.GetPDGcode(); 00124 theMomentum=right.Get4Momentum(); 00125 thePosition=right.GetPosition(); 00126 theX = right.theX; 00127 theDefinition = right.theDefinition; 00128 theColour = right.theColour; 00129 theIsoSpinZ = right.theIsoSpinZ; 00130 theSpinZ = right.theSpinZ; 00131 } 00132 00133 return *this; 00134 }
int G4Parton::operator== | ( | const G4Parton & | right | ) | const [inline] |
void G4Parton::Set4Momentum | ( | const G4LorentzVector & | aMomentum | ) | [inline] |
Definition at line 145 of file G4Parton.hh.
Referenced by G4DiffractiveExcitation::CreateStrings(), DefineMomentumInZ(), G4VKinkyStringDecay::FragmentString(), and G4QGSDiffractiveExcitation::String().
void G4Parton::SetColour | ( | G4int | aColour | ) | [inline] |
void G4Parton::SetIsoSpinZ | ( | G4double | anIsoSpinZ | ) | [inline] |
void G4Parton::SetPosition | ( | const G4ThreeVector & | aPosition | ) | [inline] |
void G4Parton::SetSpinZ | ( | G4double | aSpinZ | ) | [inline] |
void G4Parton::SetX | ( | G4double | anX | ) | [inline] |