Gabriele Cosmo
442 lines
14 KiB
C++
442 lines
14 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
#include "G4SPBaryon.hh"
|
|
#include "Randomize.hh"
|
|
#include "G4ParticleTable.hh"
|
|
|
|
// correcting numbers, HPW Dec 1999
|
|
|
|
G4int G4SPBaryon::FindQuark(G4int diQuark) const
|
|
{
|
|
G4double sum = GetProbability(diQuark);
|
|
G4double random = G4UniformRand();
|
|
G4double running = 0;
|
|
G4int Quark(0);
|
|
typedef std::vector<G4SPPartonInfo *>::const_iterator iter;
|
|
iter i;
|
|
for(i = thePartonInfo.begin(); i!=thePartonInfo.end(); i++)
|
|
{
|
|
if (std::abs((*i)->GetDiQuark()) == std::abs(diQuark))
|
|
{
|
|
running += (*i)->GetProbability();
|
|
if (running/sum >= random)
|
|
{
|
|
Quark = (*i)->GetQuark();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return Quark;
|
|
}
|
|
|
|
G4double G4SPBaryon::GetProbability(G4int diQuark) const
|
|
{
|
|
G4double sum = 0;
|
|
typedef std::vector<G4SPPartonInfo *>::const_iterator iter;
|
|
iter i;
|
|
for(i = thePartonInfo.begin(); i!=thePartonInfo.end(); i++)
|
|
{
|
|
if (std::abs((*i)->GetDiQuark()) == std::abs(diQuark))
|
|
{
|
|
sum += (*i)->GetProbability();
|
|
}
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
G4int G4SPBaryon::
|
|
MatchDiQuarkAndGetQuark(const G4SPBaryon & aBaryon, G4int & aDiQuark) const
|
|
{
|
|
G4int result=0;
|
|
typedef std::vector<G4SPPartonInfo *>::const_iterator iter;
|
|
iter i;
|
|
G4double running = 0;
|
|
G4double total = 0;
|
|
for(i = thePartonInfo.begin(); i!=thePartonInfo.end(); i++)
|
|
{
|
|
total += aBaryon.GetProbability((*i)->GetDiQuark());
|
|
}
|
|
G4double random = G4UniformRand(); //*total; 17 Sept.
|
|
for(i = thePartonInfo.begin(); i!=thePartonInfo.end(); i++)
|
|
{
|
|
running += aBaryon.GetProbability((*i)->GetDiQuark());
|
|
if(random<running/total) // if(random/total<running) 17 Sept.
|
|
{
|
|
result = (*i)->GetQuark(); // (diquark annihilated)
|
|
aDiQuark = (*i)->GetDiQuark();
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void G4SPBaryon::
|
|
SampleQuarkAndDiquark(G4int & quark, G4int & diQuark) const
|
|
{
|
|
typedef std::vector<G4SPPartonInfo *>::const_iterator iter;
|
|
|
|
G4double random = G4UniformRand();
|
|
G4double sum = 0;
|
|
iter i;
|
|
|
|
for(i=thePartonInfo.begin() ; i!=thePartonInfo.end(); i++)
|
|
{
|
|
sum += (*i)->GetProbability();
|
|
if (sum > random)
|
|
{
|
|
if (theDefinition->GetPDGEncoding() < 0)
|
|
{
|
|
quark = (*i)->GetDiQuark();
|
|
diQuark = (*i)->GetQuark();
|
|
}
|
|
else
|
|
{
|
|
quark = (*i)->GetQuark();
|
|
diQuark = (*i)->GetDiQuark();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void G4SPBaryon::
|
|
FindDiquark(G4int quark, G4int & diQuark) const
|
|
{
|
|
typedef std::vector<G4SPPartonInfo *>::const_iterator iter;
|
|
G4double sum = 0;
|
|
iter i;
|
|
for(i=thePartonInfo.begin() ; i!=thePartonInfo.end(); i++)
|
|
{
|
|
if (std::abs((*i)->GetQuark()) == std::abs(quark))
|
|
{
|
|
sum += (*i)->GetProbability();
|
|
}
|
|
}
|
|
G4double random = G4UniformRand();
|
|
G4double running = 0;
|
|
for(i=thePartonInfo.begin() ; i!=thePartonInfo.end(); i++)
|
|
{
|
|
if (std::abs((*i)->GetQuark()) == std::abs(quark))
|
|
{
|
|
running += (*i)->GetProbability();
|
|
if (running/sum >= random)
|
|
{
|
|
diQuark = (*i)->GetDiQuark();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4Proton * aProton)
|
|
{
|
|
theDefinition = aProton; // Uzhi
|
|
//
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2203, 1, 1./3./2.)); // uu_1, d
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 2, 1./6.*2.)); // ud_1, u
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2101, 2, 1./2.)); // ud_0, u
|
|
//
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiProton * aAntiProton)
|
|
{
|
|
theDefinition = aAntiProton;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2203, -1, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -2, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2101, -2, 1./2.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4Neutron * aNeutron)
|
|
{
|
|
theDefinition = aNeutron; // Uzhi
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 1, 1./6.*2.)); // ud_1, d
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2101, 1, 1./2. )); // ud_0, d
|
|
thePartonInfo.push_back(new G4SPPartonInfo(1103, 2, 1./3./2 )); // dd_1, u
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiNeutron * aAntiNeutron)
|
|
{
|
|
theDefinition = aAntiNeutron;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -1, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2101, -1, 1./2.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-1103, -2, 1./3.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4Lambda * aLambda)
|
|
{
|
|
theDefinition = aLambda;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 3, 1./3.)); // ud_1, s
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 1, 1./4.)); // su_1, d
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3201, 1, 1./12.)); // su_0, d
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 2, 1./4.)); // sd_1, u
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3101, 2, 1./12.)); // sd_0, u
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiLambda * aAntiLambda)
|
|
{
|
|
theDefinition = aAntiLambda;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -1, 1./4.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3201, -1, 1./12.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -2, 1./4.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3101, -2, 1./12.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4SigmaPlus * aSigmaPlus)
|
|
{
|
|
theDefinition = aSigmaPlus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2203, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 2, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3201, 2, 1./2.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiSigmaPlus * aAntiSigmaPlus)
|
|
{
|
|
theDefinition = aAntiSigmaPlus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2203, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -2, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3201, -2, 1./2.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4SigmaZero * aSigmaZero)
|
|
{
|
|
theDefinition = aSigmaZero;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 1, 1./12.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3201, 1, 1./4.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 2, 1./12.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3101, 2, 1./4.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiSigmaZero * aAntiSigmaZero)
|
|
{
|
|
theDefinition = aAntiSigmaZero;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -1, 1./12.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3201, -1, 1./4.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -2, 1./12.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3101, -2, 1./4.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4SigmaMinus * aSigmaMinus)
|
|
{
|
|
theDefinition = aSigmaMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(1103, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 1, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3101, 1, 1./2.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiSigmaMinus * aAntiSigmaMinus)
|
|
{
|
|
theDefinition = aAntiSigmaMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-1103, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -1, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3101, -1, 1./2.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4XiMinus * aXiMinus)
|
|
{
|
|
theDefinition = aXiMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 3, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3101, 3, 1./2.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3303, 1, 1./3.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiXiMinus * aAntiXiMinus)
|
|
{
|
|
theDefinition = aAntiXiMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -3, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3101, -3, 1./2.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3303, -1, 1./3.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4XiZero * aXiZero)
|
|
{
|
|
theDefinition = aXiZero;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 3, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3201, 3, 1./2.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3303, 2, 1./3.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiXiZero * aAntiXiZero)
|
|
{
|
|
theDefinition = aAntiXiZero;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -3, 1./6.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3201, -3, 1./2.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3303, -2, 1./3.));
|
|
}
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4OmegaMinus * anOmegaMinus)
|
|
{
|
|
theDefinition = anOmegaMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3303, 3, 1.));
|
|
}
|
|
|
|
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4AntiOmegaMinus * anAntiOmegaMinus)
|
|
{
|
|
theDefinition = anAntiOmegaMinus;
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3303, -3, 1.));
|
|
}
|
|
|
|
// non static particles
|
|
G4SPBaryon::
|
|
G4SPBaryon(G4ParticleDefinition * aDefinition)
|
|
{
|
|
theDefinition = aDefinition;
|
|
if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(2224))// D++
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2203, 2, 1.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-2224))// anti D++
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2203, -2, 1.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(2214))// D+
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2203, 1, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-2214))// anti D+
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2203, -1, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(2114))// D0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 1, 2./3.));
|
|
// Uzhi thePartonInfo.push_back(new G4SPPartonInfo(2103, 2, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(1103, 2, 1./3.)); // Uzhi 14.05.2014
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-2114))// anti D0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -1, 2./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -2, 1./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(1114))// D-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(1103, 1, 1.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-1114))// anti D-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-1103, -1, 1.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(3224))// S*+
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2203, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-3224))// anti S*+
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2203, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(3214))// S*0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(2103, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 1, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 2, 1./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-3214))// anti S*0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-2103, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -1, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -2, 1./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(3114))// S*-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(1103, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 1, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-3224))// anti S*-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-1103, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -1, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(3324))// Xi*0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3203, 3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3303, 2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-3324))// anti Xi*0
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3203, -3, 1./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3303, -2, 2./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(3314))// Xi*-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3103, 3, 2./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(3303, 1, 1./3.));
|
|
}
|
|
else if(theDefinition ==
|
|
G4ParticleTable::GetParticleTable()->FindParticle(-3314))// anti Xi*-
|
|
{
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3103, -3, 2./3.));
|
|
thePartonInfo.push_back(new G4SPPartonInfo(-3303, -1, 1./3.));
|
|
}
|
|
}
|
|
|
|
G4SPBaryon::~G4SPBaryon()
|
|
{
|
|
for(unsigned int i=0;i<thePartonInfo.size(); i++) delete thePartonInfo[i];
|
|
}
|