lars/geant4
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Import Geant4 4.0.0 source tree

Browse Source
This commit is contained in:
Gabriele Cosmo
2016-06-08 16:18:25 +02:00
parent 36c080dca6
commit 921d3b1cda
3990 changed files with 185376 additions and 82884 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/processes/hadronic/models/generator/util/src/G4Parton.cc
+62 -8
View File
@@ -14,15 +14,15 @@
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * authors in the GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: G4Parton.cc,v 1.7.8.2 2001/06/28 20:20:03 gunter Exp $
// GEANT4 tag $Name: $
// $Id: G4Parton.cc,v 1.12 2001/11/15 14:10:48 hpw Exp $
// GEANT4 tag $Name: geant4-04-00 $
//
// ------------------------------------------------------------
// GEANT 4 class implementation file
@@ -38,15 +38,66 @@ G4Parton::G4Parton(G4int PDGcode)
{
PDGencoding=PDGcode;
theX = 0;
theDefinition=G4ParticleTable::GetParticleTable()->FindParticle(PDGencoding);;
theDefinition=G4ParticleTable::GetParticleTable()->FindParticle(PDGencoding);
if (theDefinition == NULL)
{
G4cout << "Encoding = "<<PDGencoding<<G4endl;
G4Exception("G4Parton::GetDefinition(): Encoding not in particle table");
}
theColour = 1;
theIsoSpinZ = 0.5;
theSpinZ = 0.5;
//
// colour by random in (1,2,3)=(R,G,B) for quarks and
// in (-1,-2,-3)=(Rbar,Gbar,Bbar) for anti-quarks:
//
if (theDefinition->GetParticleType() == "quarks") {
theColour = ((G4int)(3.*G4UniformRand())+1)*(abs(PDGencoding)/PDGencoding) ;
}
//
// colour by random in (-1,-2,-3)=(Rbar,Gbar,Bbar)=(GB,RB,RG) for di-quarks and
// in (1,2,3)=(R,G,B)=(GB,RB,RG) for anti-di-quarks:
//
else if (theDefinition->GetParticleType() == "diquarks") {
theColour = -((G4int)(3.*G4UniformRand())+1)*(abs(PDGencoding)/PDGencoding);
}
//
// colour by random in (-11,-12,...,-33)=(RRbar,RGbar,RBbar,...,BBbar) for gluons:
//
else if (theDefinition->GetParticleType() == "gluons") {
theColour = -(((G4int)(3.*G4UniformRand())+1)*10 + ((G4int)(3.*G4UniformRand())+1));
}
else {
G4cout << "Encoding = "<<PDGencoding<<G4endl;
G4Exception("G4Parton::GetDefinition(): Particle is not a parton");
}
//
// isospin-z from PDG-encoded isospin-z for
// quarks, anti-quarks, di-quarks, and anti-di-quarks:
//
if ((theDefinition->GetParticleType() == "quarks") || (theDefinition->GetParticleType() == "diquarks")){
theIsoSpinZ = theDefinition->GetPDGIsospin3();
}
//
// isospin-z choosen at random from PDG-encoded isospin for gluons (should be zero):
//
else {
G4int thisPDGiIsospin=theDefinition->GetPDGiIsospin();
if (thisPDGiIsospin == 0) {
theIsoSpinZ = 0;
}
else {
theIsoSpinZ = ((G4int)((thisPDGiIsospin+1)*G4UniformRand()))-thisPDGiIsospin*0.5;
}
}
//
// spin-z choosen at random from PDG-encoded spin:
//
G4int thisPDGiSpin=theDefinition->GetPDGiSpin();
if (thisPDGiSpin == 0) {
theSpinZ = 0;
}
else {
G4int rand=((G4int)((thisPDGiSpin+1)*G4UniformRand()));
theSpinZ = rand-thisPDGiSpin*0.5;;
}
}
G4Parton::G4Parton(const G4Parton &right)
@@ -76,7 +127,10 @@ const G4Parton & G4Parton::operator=(const G4Parton &right)
}
G4Parton::~G4Parton()
{}
{
// cout << "G4Parton::~G4Parton(): this = "<<this <<endl;
// cout << "break here"<<this <<endl;
}
void G4Parton::DefineMomentumInZ(G4double aLightConeMomentum, G4bool aDirection)
{