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

Import Geant4 9.2.0 source tree

Browse Source
This commit is contained in:
Gabriele Cosmo
2016-06-09 15:58:43 +02:00
parent 96c8bcd0af
commit b79225fb37
7544 changed files with 245407 additions and 91099 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/processes/hadronic/cross_sections/src/G4BGGNucleonInelasticXS.cc
+102 -25
View File
@@ -23,8 +23,8 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4BGGNucleonInelasticXS.cc,v 1.1 2007/03/13 15:19:30 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-01 $
// $Id: G4BGGNucleonInelasticXS.cc,v 1.3 2008/12/01 16:50:23 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-02 $
//
// -------------------------------------------------------------------
//
@@ -45,6 +45,7 @@
#include "G4BGGNucleonInelasticXS.hh"
#include "G4GlauberGribovCrossSection.hh"
#include "G4NucleonNuclearCrossSection.hh"
#include "G4HadronNucleonXsc.hh"
#include "G4Proton.hh"
#include "G4Neutron.hh"
#include "G4NistManager.hh"
@@ -54,22 +55,14 @@
G4BGGNucleonInelasticXS::G4BGGNucleonInelasticXS(const G4ParticleDefinition* p)
{
verboseLevel = 0;
thEnergy = 100.*GeV;
if(p == G4Proton::Proton() || p == G4Neutron::Neutron()) {
fNucleon = new G4NucleonNuclearCrossSection();
fGlauber = new G4GlauberGribovCrossSection();
particle = p;
Initialise();
} else {
fNucleon = 0;
fGlauber = 0;
particle = 0;
if(p) G4cout << "### G4BGGNucleonInelasticXS WARNING: is not applicable to "
<< p->GetParticleName()
<< G4endl;
else G4cout << "### G4BGGNucleonInelasticXS WARNING: particle is not defined "
<< G4endl;
}
fGlauberEnergy = 91.*GeV;
fLowEnergy = 20.*MeV;
fNucleon = 0;
fGlauber = 0;
fHadron = 0;
particle = p;
isProton = false;
isInitialized = false;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -78,6 +71,7 @@ G4BGGNucleonInelasticXS::~G4BGGNucleonInelasticXS()
{
delete fGlauber;
delete fNucleon;
delete fHadron;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -89,11 +83,27 @@ G4double G4BGGNucleonInelasticXS::GetIsoZACrossSection(const G4DynamicParticle*
{
G4double cross = 0.0;
G4double ekin = dp->GetKineticEnergy();
G4int iz = G4int(Z + 0.5);
G4int iz = G4int(Z);
if(iz > 92) iz = 92;
if(ekin > thEnergy) {
cross = theFac[iz]*fGlauber->GetInelasticGlauberGribov(dp, Z, A);
if(ekin <= fLowEnergy) {
cross = theCoulombFac[iz]*CoulombFactor(ekin, A);
} else if(iz == 1) {
if( A < 1.5) {
//fHadron->GetHadronNucleonXscPDG(dp, G4Proton::Proton());
//fHadron->GetHadronNucleonXscEL(dp, G4Proton::Proton());
//fHadron->GetHadronNucleonXscNS(dp, G4Proton::Proton());
//fHadron->GetHadronNucleonXscVU(dp, G4Proton::Proton());
fHadron->GetHadronNucleonXscMK(dp, G4Proton::Proton());
cross = fHadron->GetInelasticHadronNucleonXsc();
} else {
fHadron->GetHadronNucleonXscMK(dp, G4Proton::Proton());
cross = fHadron->GetInelasticHadronNucleonXsc();
fHadron->GetHadronNucleonXscMK(dp, G4Neutron::Neutron());
cross += fHadron->GetInelasticHadronNucleonXsc();
}
} else if(ekin > fGlauberEnergy) {
cross = theGlauberFac[iz]*fGlauber->GetInelasticGlauberGribov(dp, Z, A);
} else {
cross = fNucleon->GetIsoZACrossSection(dp, Z, A);
}
@@ -111,8 +121,16 @@ G4double G4BGGNucleonInelasticXS::GetIsoZACrossSection(const G4DynamicParticle*
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4BGGNucleonInelasticXS::BuildPhysicsTable(const G4ParticleDefinition&)
void G4BGGNucleonInelasticXS::BuildPhysicsTable(const G4ParticleDefinition& p)
{
if(&p == G4Proton::Proton() || &p == G4Neutron::Neutron()) {
particle = &p;
Initialise();
} else {
G4cout << "### G4BGGNucleonInelasticXS WARNING: is not applicable to "
<< p.GetParticleName()
<< G4endl;
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -126,9 +144,19 @@ void G4BGGNucleonInelasticXS::DumpPhysicsTable(const G4ParticleDefinition&)
void G4BGGNucleonInelasticXS::Initialise()
{
if(isInitialized) return;
isInitialized = true;
fNucleon = new G4NucleonNuclearCrossSection();
fGlauber = new G4GlauberGribovCrossSection();
fHadron = new G4HadronNucleonXsc();
fNucleon->BuildPhysicsTable(*particle);
fGlauber->BuildPhysicsTable(*particle);
if(particle == G4Proton::Proton()) isProton = true;
G4ParticleDefinition* part = const_cast<G4ParticleDefinition*>(particle);
G4ThreeVector mom(0.0,0.0,1.0);
G4DynamicParticle dp(part, mom, thEnergy);
G4DynamicParticle dp(part, mom, fGlauberEnergy);
G4NistManager* nist = G4NistManager::Instance();
G4double A = nist->GetAtomicMassAmu(2);
@@ -146,12 +174,61 @@ void G4BGGNucleonInelasticXS::Initialise()
csup = fGlauber->GetInelasticGlauberGribov(&dp, Z, A);
csdn = fNucleon->GetIsoZACrossSection(&dp, Z, A);
theFac[iz] = csdn/csup;
theGlauberFac[iz] = csdn/csup;
if(verboseLevel > 0) G4cout << "Z= " << Z << " A= " << A
<< " factor= " << theFac[iz] << G4endl;
<< " factor= " << theGlauberFac[iz] << G4endl;
}
dp.SetKineticEnergy(fLowEnergy);
fHadron->GetHadronNucleonXscMK(&dp, G4Proton::Proton());
theCoulombFac[1] =
fHadron->GetInelasticHadronNucleonXsc()/CoulombFactor(fLowEnergy,1.0);
for(G4int iz=2; iz<93; iz++) {
G4double Z = G4double(iz);
A = nist->GetAtomicMassAmu(iz);
theCoulombFac[iz] =
fNucleon->GetIsoZACrossSection(&dp, Z, A)/CoulombFactor(fLowEnergy,A);
if(verboseLevel > 0) G4cout << "Z= " << Z << " A= " << A
<< " factor= " << theCoulombFac[iz] << G4endl;
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4BGGNucleonInelasticXS::CoulombFactor(G4double kinEnergy, G4double A)
{
G4double res= 0.0;
if(kinEnergy <= DBL_MIN) return res;
else if (A < 1.5) return kinEnergy*kinEnergy;
G4double elog = std::log10(kinEnergy/GeV);
// from G4ProtonInelasticCrossSection
if(isProton) {
G4double f1 = 8.0 - 8.0/A - 0.008*A;
G4double f2 = 2.34 - 5.4/A - 0.0028*A;
res = 1.0/(1.0 + std::exp(-f1*(elog + f2)));
f1 = 5.6 - 0.016*A;
f2 = 1.37 + 1.37/A;
res *= ( 1.0 + (0.8 + 18./A - 0.002*A)/(1.0 + std::exp(f1*(elog + f2))));
} else {
G4double p3 = 0.6 + 13./A - 0.0005*A;
G4double p4 = 7.2449 - 0.018242*A;
G4double p5 = 1.36 + 1.8/A + 0.0005*A;
G4double p6 = 1. + 200./A + 0.02*A;
G4double p7 = 3.0 - (A-70.)*(A-200.)/11000.;
res = (1.+p3/(1. + std::exp(p4*(elog+p5))))/(1.+std::exp(-p6*(elog+p7)));
}
return res;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......