Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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G4ParticleHPIsotropic.cc
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25//
26// neutron_hp -- source file
27// J.P. Wellisch, Nov-1996
28// A prototype of the low energy neutron transport model.
29//
30// P. Arce, June-2014 Conversion neutron_hp to particle_hp
31//
34#include "G4SystemOfUnits.hh"
35#include "Randomize.hh"
36#include "G4Gamma.hh"
37#include "G4Electron.hh"
38#include "G4Positron.hh"
39#include "G4Neutron.hh"
40#include "G4Proton.hh"
41#include "G4Deuteron.hh"
42#include "G4Triton.hh"
43#include "G4He3.hh"
44#include "G4Alpha.hh"
45#include "G4IonTable.hh"
46
47
48void G4ParticleHPIsotropic::Init(std::istream & )
49{
50}
51
53{
55 G4int Z = static_cast<G4int>(massCode/1000);
56 G4int A = static_cast<G4int>(massCode-1000*Z);
57
58 if(massCode==0)
59 {
61 }
62 else if(A==0)
63 {
65 if(Z==1) result->SetDefinition(G4Positron::Positron());
66 }
67 else if(A==1)
68 {
70 if(Z==1) result->SetDefinition(G4Proton::Proton());
71 }
72 else if(A==2)
73 {
75 }
76 else if(A==3)
77 {
79 if(Z==2) result->SetDefinition(G4He3::He3());
80 }
81 else if(A==4)
82 {
84 //110607 TK modified following parts for migration to G4NDL3.15 (ENDF VII.r0)
85 //if(Z!=2) throw G4HadronicException(__FILE__, __LINE__, "Unknown ion case 1");
86 if(Z!=2)
87 {
88 result->SetDefinition( G4IonTable::GetIonTable()->GetIon ( Z , A , 0.0 ) );
89 }
90 }
91 else
92 {
93 //110607 TK modified following parts for migration to G4NDL3.15 (ENDF VII.r0)
94 result->SetDefinition( G4IonTable::GetIonTable()->GetIon ( Z , A , 0.0 ) );
95 //throw G4HadronicException(__FILE__, __LINE__, "G4ParticleHPIsotropic: Unknown ion case 2");
96 }
97
98 // Bug #1745 DHW G4double cosTh = G4UniformRand();
99 G4double cosTh = 2.*G4UniformRand()-1.;
100 G4double phi = twopi*G4UniformRand();
101 G4double theta = std::acos(cosTh);
102 G4double sinth = std::sin(theta);
103
104// we need the the Q value of the reaction
105 result->SetKineticEnergy(std::max(0.001*MeV, anEnergy+GetQValue()));
106 G4double mtot = result->GetTotalMomentum();
107 G4ThreeVector tempVector(mtot*sinth*std::cos(phi), mtot*sinth*std::sin(phi), mtot*cosTh);
108 result->SetMomentum(tempVector);
109
110 return result;
111}
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
const G4int Z[17]
const G4double A[17]
#define G4UniformRand()
Definition: Randomize.hh:52
static G4Alpha * Alpha()
Definition: G4Alpha.cc:88
static G4Deuteron * Deuteron()
Definition: G4Deuteron.cc:93
static G4Electron * Electron()
Definition: G4Electron.cc:93
static G4Gamma * Gamma()
Definition: G4Gamma.cc:85
static G4He3 * He3()
Definition: G4He3.cc:93
G4ParticleDefinition * GetIon(G4int Z, G4int A, G4int lvl=0)
Definition: G4IonTable.cc:522
static G4IonTable * GetIonTable()
Definition: G4IonTable.cc:170
static G4Neutron * Neutron()
Definition: G4Neutron.cc:103
G4ReactionProduct * Sample(G4double anEnergy, G4double massCode, G4double mass)
void Init(std::istream &aDataFile)
static G4Positron * Positron()
Definition: G4Positron.cc:93
static G4Proton * Proton()
Definition: G4Proton.cc:92
void SetMomentum(const G4double x, const G4double y, const G4double z)
G4double GetTotalMomentum() const
void SetDefinition(const G4ParticleDefinition *aParticleDefinition)
void SetKineticEnergy(const G4double en)
static G4Triton * Triton()
Definition: G4Triton.cc:93