| Geant4 Cross Reference |
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
27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28
29 #include "G4RadioactiveDecayPhysics.hh"
30
31 #include "G4Radioactivation.hh"
32 #include "G4GenericIon.hh"
33 #include "globals.hh"
34 #include "G4PhysicsListHelper.hh"
35 #include "G4EmParameters.hh"
36 #include "G4VAtomDeexcitation.hh"
37 #include "G4UAtomicDeexcitation.hh"
38 #include "G4LossTableManager.hh"
39 #include "G4NuclearLevelData.hh"
40 #include "G4DeexPrecoParameters.hh"
41 #include "G4NuclideTable.hh"
42 #include "G4PhysListUtil.hh"
43 #include "G4Triton.hh"
44
45 // factory
46 #include "G4PhysicsConstructorFactory.hh"
47 //
48 G4_DECLARE_PHYSCONSTR_FACTORY(G4RadioactiveDecayPhysics);
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 G4RadioactiveDecayPhysics::G4RadioactiveDecayPhysics(G4int ver)
53 : G4VPhysicsConstructor("G4RadioactiveDecay")
54 {
55 G4PhysListUtil::InitialiseParameters();
56 SetVerboseLevel(ver);
57
58 // hadronic physics extra configuration
59 G4DeexPrecoParameters* deex = G4NuclearLevelData::GetInstance()->GetParameters();
60 deex->SetStoreICLevelData(true);
61 deex->SetMaxLifeTime(G4NuclideTable::GetInstance()->GetThresholdOfHalfLife()
62 /std::log(2.));
63 deex->SetIsomerProduction(true);
64 }
65
66 G4RadioactiveDecayPhysics::G4RadioactiveDecayPhysics(const G4String&, G4int ver)
67 : G4RadioactiveDecayPhysics(ver)
68 {}
69
70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
71
72 G4RadioactiveDecayPhysics::~G4RadioactiveDecayPhysics()
73 {}
74
75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76
77 void G4RadioactiveDecayPhysics::ConstructParticle()
78 {
79 G4GenericIon::GenericIon();
80 }
81
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83
84 void G4RadioactiveDecayPhysics::ConstructProcess()
85 {
86 // EM physics extra configuration
87 // this physics constructor should be defined after EM constructor
88 G4EmParameters::Instance()->SetAuger(true);
89 G4EmParameters::Instance()->SetDeexcitationIgnoreCut(true);
90
91 G4LossTableManager* man = G4LossTableManager::Instance();
92 G4VAtomDeexcitation* ad = man->AtomDeexcitation();
93
94 // EM physics constructors are not used
95 if( ad == nullptr ) {
96 ad = new G4UAtomicDeexcitation();
97 man->SetAtomDeexcitation(ad);
98 man->ResetParameters();
99 }
100
101 G4PhysicsListHelper::GetPhysicsListHelper()->
102 RegisterProcess(new G4Radioactivation, G4GenericIon::GenericIon());
103
104 // Triton (which is not a generic ion) is the only light ion that decays.
105 // Note that the anti_triton does not have beta decay, because RadioactiveDecay,
106 // in its current implementation, does not handle any kind of anti-ions:
107 // in practice, this is an acceptable approximation because of its relatively
108 // long lifetime and the fact that annihilation and nuclear capture
109 // are more likely to happen before decay.
110 G4PhysicsListHelper::GetPhysicsListHelper()->
111 RegisterProcess(new G4Radioactivation, G4Triton::Triton());
112 }
113
114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115
116