| 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 //---------------------------------------------------------------------------
28 //
29 // ClassName: G4EmStandardPhysics_option1
30 //
31 // Author: V.Ivanchenko 09.11.2005
32 //
33 // Modified:
34 //
35 //----------------------------------------------------------------------------
36 //
37
38 #include "G4EmStandardPhysics_option1.hh"
39 #include "G4SystemOfUnits.hh"
40 #include "G4ParticleDefinition.hh"
41 #include "G4EmParameters.hh"
42 #include "G4EmBuilder.hh"
43
44 #include "G4ComptonScattering.hh"
45 #include "G4GammaConversion.hh"
46 #include "G4PhotoElectricEffect.hh"
47 #include "G4LivermorePhotoElectricModel.hh"
48
49 #include "G4hMultipleScattering.hh"
50 #include "G4eCoulombScatteringModel.hh"
51 #include "G4CoulombScattering.hh"
52 #include "G4WentzelVIModel.hh"
53 #include "G4UrbanMscModel.hh"
54
55 #include "G4eIonisation.hh"
56 #include "G4eBremsstrahlung.hh"
57 #include "G4eplusAnnihilation.hh"
58 #include "G4UAtomicDeexcitation.hh"
59
60 #include "G4hIonisation.hh"
61 #include "G4ionIonisation.hh"
62
63 #include "G4ParticleTable.hh"
64 #include "G4Gamma.hh"
65 #include "G4Electron.hh"
66 #include "G4Positron.hh"
67 #include "G4GenericIon.hh"
68
69 #include "G4PhysicsListHelper.hh"
70 #include "G4BuilderType.hh"
71 #include "G4EmModelActivator.hh"
72 #include "G4GammaGeneralProcess.hh"
73 #include "G4LossTableManager.hh"
74
75 // factory
76 #include "G4PhysicsConstructorFactory.hh"
77 //
78 G4_DECLARE_PHYSCONSTR_FACTORY(G4EmStandardPhysics_option1);
79
80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81
82 G4EmStandardPhysics_option1::G4EmStandardPhysics_option1(G4int ver,
83 const G4String&)
84 : G4VPhysicsConstructor("G4EmStandard_opt1")
85 {
86 SetVerboseLevel(ver);
87 G4EmParameters* param = G4EmParameters::Instance();
88 param->SetDefaults();
89 param->SetVerbose(ver);
90 param->SetApplyCuts(true);
91 param->SetGeneralProcessActive(true);
92 // Enable the combined G4TransportationWithMsc, but not the internal stepping.
93 param->SetTransportationWithMsc(G4TransportationWithMscType::fEnabled);
94 param->SetStepFunction(0.8, 1*CLHEP::mm);
95 param->SetMscRangeFactor(0.2);
96 param->SetMscStepLimitType(fMinimal);
97 SetPhysicsType(bElectromagnetic);
98 }
99
100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
101
102 G4EmStandardPhysics_option1::~G4EmStandardPhysics_option1()
103 {}
104
105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
106
107 void G4EmStandardPhysics_option1::ConstructParticle()
108 {
109 // minimal set of particles for EM physics
110 G4EmBuilder::ConstructMinimalEmSet();
111 }
112
113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114
115 void G4EmStandardPhysics_option1::ConstructProcess()
116 {
117 if(verboseLevel > 1) {
118 G4cout << "### " << GetPhysicsName() << " Construct Processes " << G4endl;
119 }
120 G4EmBuilder::PrepareEMPhysics();
121
122 G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
123
124 // processes used by several particles
125 G4hMultipleScattering* hmsc = new G4hMultipleScattering("ionmsc");
126 G4NuclearStopping* pnuc(nullptr);
127
128 // high energy limit for e+- scattering models and bremsstrahlung
129 G4double highEnergyLimit = G4EmParameters::Instance()->MscEnergyLimit();
130
131 // Add gamma EM Processes
132 G4ParticleDefinition* particle = G4Gamma::Gamma();
133
134 G4PhotoElectricEffect* pee = new G4PhotoElectricEffect();
135 pee->SetEmModel(new G4LivermorePhotoElectricModel());
136
137 if(G4EmParameters::Instance()->GeneralProcessActive()) {
138 G4GammaGeneralProcess* sp = new G4GammaGeneralProcess();
139 sp->AddEmProcess(pee);
140 sp->AddEmProcess(new G4ComptonScattering());
141 sp->AddEmProcess(new G4GammaConversion());
142 G4LossTableManager::Instance()->SetGammaGeneralProcess(sp);
143 ph->RegisterProcess(sp, particle);
144
145 } else {
146 ph->RegisterProcess(pee, particle);
147 ph->RegisterProcess(new G4ComptonScattering(), particle);
148 ph->RegisterProcess(new G4GammaConversion(), particle);
149 }
150
151 // e-
152 particle = G4Electron::Electron();
153
154 G4eIonisation* eioni = new G4eIonisation();
155
156 G4UrbanMscModel* msc1 = new G4UrbanMscModel();
157 G4WentzelVIModel* msc2 = new G4WentzelVIModel();
158 msc1->SetHighEnergyLimit(highEnergyLimit);
159 msc2->SetLowEnergyLimit(highEnergyLimit);
160 G4EmBuilder::ConstructElectronMscProcess(msc1, msc2, particle);
161
162 G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel();
163 G4CoulombScattering* ss = new G4CoulombScattering();
164 ss->SetEmModel(ssm);
165 ss->SetMinKinEnergy(highEnergyLimit);
166 ssm->SetLowEnergyLimit(highEnergyLimit);
167 ssm->SetActivationLowEnergyLimit(highEnergyLimit);
168
169 ph->RegisterProcess(eioni, particle);
170 ph->RegisterProcess(new G4eBremsstrahlung(), particle);
171 ph->RegisterProcess(ss, particle);
172
173 // e+
174 particle = G4Positron::Positron();
175 eioni = new G4eIonisation();
176
177 msc1 = new G4UrbanMscModel();
178 msc2 = new G4WentzelVIModel();
179 msc1->SetHighEnergyLimit(highEnergyLimit);
180 msc2->SetLowEnergyLimit(highEnergyLimit);
181 G4EmBuilder::ConstructElectronMscProcess(msc1, msc2, particle);
182
183 ssm = new G4eCoulombScatteringModel();
184 ss = new G4CoulombScattering();
185 ss->SetEmModel(ssm);
186 ss->SetMinKinEnergy(highEnergyLimit);
187 ssm->SetLowEnergyLimit(highEnergyLimit);
188 ssm->SetActivationLowEnergyLimit(highEnergyLimit);
189
190 ph->RegisterProcess(eioni, particle);
191 ph->RegisterProcess(new G4eBremsstrahlung(), particle);
192 ph->RegisterProcess(new G4eplusAnnihilation(), particle);
193 ph->RegisterProcess(ss, particle);
194
195 // generic ion
196 particle = G4GenericIon::GenericIon();
197 G4ionIonisation* ionIoni = new G4ionIonisation();
198 ph->RegisterProcess(hmsc, particle);
199 ph->RegisterProcess(ionIoni, particle);
200
201 // muons, hadrons ions
202 G4EmBuilder::ConstructCharged(hmsc, pnuc);
203
204 // extra configuration
205 G4EmModelActivator mact(GetPhysicsName());
206 }
207
208 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
209