Geant4  10.02.p02
G4ParticleHPIsotropic.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
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 //
32 #include "G4ParticleHPIsotropic.hh"
33 #include "G4PhysicalConstants.hh"
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 
48 void G4ParticleHPIsotropic::Init(std::istream & )
49 {
50 }
51 
53 {
54  G4ReactionProduct * result = new G4ReactionProduct;
55  G4int Z = static_cast<G4int>(massCode/1000);
56  G4int A = static_cast<G4int>(massCode-1000*Z);
57 
58  if(massCode==0)
59  {
60  result->SetDefinition(G4Gamma::Gamma());
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  {
78  result->SetDefinition(G4Triton::Triton());
79  if(Z==2) result->SetDefinition(G4He3::He3());
80  }
81  else if(A==4)
82  {
83  result->SetDefinition(G4Alpha::Alpha());
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  G4double cosTh = G4UniformRand();
100  G4double theta = std::acos(cosTh);
101  G4double sinth = std::sin(theta);
102 
103 // we need the the Q value of the reaction
104  result->SetKineticEnergy(std::max(0.001*MeV, anEnergy+GetQValue()));
105  G4double mtot = result->GetTotalMomentum();
106  G4ThreeVector tempVector(mtot*sinth*std::cos(phi), mtot*sinth*std::sin(phi), mtot*std::cos(theta) );
107  result->SetMomentum(tempVector);
108 
109  return result;
110 }
static const double MeV
Definition: G4SIunits.hh:211
void Init(std::istream &aDataFile)
G4double GetTotalMomentum() const
CLHEP::Hep3Vector G4ThreeVector
void SetKineticEnergy(const G4double en)
void SetMomentum(const G4double x, const G4double y, const G4double z)
int G4int
Definition: G4Types.hh:78
void SetDefinition(const G4ParticleDefinition *aParticleDefinition)
#define G4UniformRand()
Definition: Randomize.hh:97
double A(double temperature)
static const double twopi
Definition: G4SIunits.hh:75
static G4Triton * Triton()
Definition: G4Triton.cc:95
static G4Proton * Proton()
Definition: G4Proton.cc:93
static G4Neutron * Neutron()
Definition: G4Neutron.cc:104
static G4Gamma * Gamma()
Definition: G4Gamma.cc:86
static G4Deuteron * Deuteron()
Definition: G4Deuteron.cc:94
static G4IonTable * GetIonTable()
Definition: G4IonTable.hh:78
static G4Positron * Positron()
Definition: G4Positron.cc:94
T max(const T t1, const T t2)
brief Return the largest of the two arguments
static G4Electron * Electron()
Definition: G4Electron.cc:94
static G4Alpha * Alpha()
Definition: G4Alpha.cc:89
double G4double
Definition: G4Types.hh:76
G4ReactionProduct * Sample(G4double anEnergy, G4double massCode, G4double mass)
static G4He3 * He3()
Definition: G4He3.cc:94