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G4LENDCombinedCrossSection.cc
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31 #include "Randomize.hh"
32 
33 
35 :G4LENDCrossSection("LENDCombinedCrossSection")
36 {
37  proj = pd;
42 }
43 
45 {
51 }
52 
54  const G4Isotope* isotope , const G4Element* /*elment*/ , const G4Material* material )
55 {
56  G4double XS = 0.0;
57  XS += elasticXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
58  XS += inelasticXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
59  XS += captureXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
60  XS += fissionXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
61  //G4cout << "G4LENDCombinedCrossSection::GetIsoCrossSection " << XS/CLHEP::barn << " [barn]" << G4endl;
62  return XS;
63 }
64 
66  const G4Isotope* isotope , const G4Element* /*elment*/ , const G4Material* material )
67 {
68  G4int ichannel=-1;
69  G4double XSs[4];
70  XSs[0] = elasticXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
71  XSs[1] = XSs[0] + inelasticXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
72  XSs[2] = XSs[1] + captureXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
73  XSs[3] = XSs[2] + fissionXS->GetIsoCrossSection( dp, iZ, iA, isotope, NULL , material );
74 
75  G4double total = XSs[3];
76 
77  G4double random = G4UniformRand();
78  for ( G4int i = 0 ; i != 4 ; i++ ) {
79  if ( random*total <= XSs[i] ) {
80  ichannel = i;
81  break;
82  }
83  }
84 
85  return ichannel;
86 }
G4double total(Particle const *const p1, Particle const *const p2)
G4double GetIsoCrossSection(const G4DynamicParticle *, G4int, G4int, const G4Isotope *, const G4Element *, const G4Material *)
G4LENDInelasticCrossSection * inelasticXS
G4int SelectChannel(const G4DynamicParticle *, G4int, G4int, const G4Isotope *, const G4Element *, const G4Material *)
G4LENDCaptureCrossSection * captureXS
double G4double
Definition: G4Types.hh:76
G4LENDCombinedCrossSection(G4ParticleDefinition *pd)
G4ParticleDefinition * proj
#define G4UniformRand()
Definition: Randomize.hh:53
G4LENDElasticCrossSection * elasticXS
void BuildPhysicsTable(const G4ParticleDefinition &)
G4LENDFissionCrossSection * fissionXS
int G4int
Definition: G4Types.hh:78
void BuildPhysicsTable(const G4ParticleDefinition &)
G4double GetIsoCrossSection(const G4DynamicParticle *, G4int, G4int, const G4Isotope *, const G4Element *, const G4Material *)