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25 //
26 // Geant4 header : G4NeutronHPElasticVI
27 // Created: 15 October 2023
28 //
29 // Author V.Ivanchenko
30 //
31
32 #include "G4NeutronHPElasticVI.hh"
33 #include "G4ParticleHPChannel.hh"
34 #include "G4ParticleHPElasticFS.hh"
35 #include "G4ParticleHPManager.hh"
36 #include "G4Element.hh"
37 #include "G4Nucleus.hh"
38 #include "G4SystemOfUnits.hh"
39 #include "G4AutoLock.hh"
40
41 G4bool G4NeutronHPElasticVI::fLock = false;
42 G4ParticleHPChannel* G4NeutronHPElasticVI::the
43
44 namespace
45 {
46 G4Mutex theHPElastic = G4MUTEX_INITIALIZER;
47 }
48
49 G4NeutronHPElasticVI::G4NeutronHPElasticVI()
50 : G4HadronicInteraction("NeutronHPElastic")
51 {
52 SetMaxEnergy(20*CLHEP::MeV);
53 fManagerHP = G4ParticleHPManager::GetInstanc
54 if ( !fLock ) {
55 fLock = true;
56 fInitializer = true;
57 for ( G4int i=0; i<ZMAXHPE; ++i ) {
58 theElastic[i] = nullptr;
59 }
60 }
61 }
62
63 G4NeutronHPElasticVI::~G4NeutronHPElasticVI()
64 {
65 if ( fInitializer ) {
66 for ( G4int i=0; i<ZMAXHPE; ++i) {
67 delete theElastic[i];
68 }
69 }
70 }
71
72 G4HadFinalState* G4NeutronHPElasticVI::ApplyYo
73
74 {
75 G4HadFinalState* finalState = nullptr;
76 G4int Z = aNucleus.GetZ_asInt();
77 if ( Z >= ZMAXHPE || Z < 1 ) { return finalS
78
79 G4int A = aNucleus.GetA_asInt();
80 fManagerHP->OpenReactionWhiteBoard();
81 fManagerHP->GetReactionWhiteBoard()->SetTarg
82 fManagerHP->GetReactionWhiteBoard()->SetTarg
83
84 G4ParticleHPChannel* mod = theElastic[Z];
85 if ( nullptr == mod ) {
86 InitialiseOnFly();
87 if ( nullptr == mod ) { return finalState;
88 }
89
90 // The boolean "true", as last argument, spe
91 // that it is an elastic channel: this is ne
92 finalState = mod->ApplyYourself(aTrack, -1,
93
94 fManagerHP->CloseReactionWhiteBoard();
95 return finalState;
96 }
97
98 const std::pair<G4double, G4double> G4NeutronH
99 {
100 // max energy non-conservation is mass of he
101 return std::pair<G4double, G4double>(10.0 *
102 }
103
104 void G4NeutronHPElasticVI::BuildPhysicsTable(c
105 {
106 if ( fInitializer ) { Initialise(); }
107 }
108
109 void G4NeutronHPElasticVI::InitialiseOnFly()
110 {
111 G4AutoLock l(&theHPElastic);
112 Initialise();
113 l.unlock();
114 }
115
116 void G4NeutronHPElasticVI::Initialise()
117 {
118 G4ParticleHPElasticFS* theFS = nullptr;
119 G4String dirName;
120 for (auto const & elm : *(G4Element::GetElem
121 G4int Z = elm->GetZasInt();
122 if ( 0 < Z && Z < ZMAXHPE && nullptr == th
123 theElastic[Z] = new G4ParticleHPChannel(
124 if ( nullptr == theFS ) {
125 theFS = new G4ParticleHPElasticFS();
126 dirName = fManagerHP->GetNeutronHPPath
127 }
128 theElastic[Z]->Init(elm, dirName);
129 theElastic[Z]->Register(theFS);
130 }
131 }
132 delete theFS;
133 }
134
135 void G4NeutronHPElasticVI::ModelDescription(st
136 {
137 outFile << "High Precision model based on Ev
138 << " (ENDF) for elastic scattering o
139 }
140