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25 //
26 //
27 //---------------------------------------------------------------------------
28 //
29 // ClassName: G4EmStandardPhysics_option2
30 //
31 // Author: V.Ivanchenko 09.11.2005
32 //
33 // Modified:
34 // 19.12.2005 V.Ivanchenko rename 71 -> 72
35 // 15.06.2006 V.Ivanchenko use this class as a constructor of fast EM physics
36 // 13.11.2006 V.Ivanchenko use G4hMultipleScattering
37 // 14.11.2006 V.Ivanchenko use sub-cutoff option for all particles
38 // 13.02.2007 V.Ivanchenko use default msc
39 // 15.05.2007 V.Ivanchenko rename to _option2
40 // 13.03.2008 V.Ivanchenko use G4eMultipleScattering
41 // 21.04.2008 V.Ivanchenko add long-lived D and B mesons; use spline
42 // 28.05.2008 V.Ivanchenko linLossLimit=0.01; added hBrem and hPairProd processes
43 //
44 //----------------------------------------------------------------------------
45 //
46
47 #include "G4EmStandardPhysics_option2.hh"
48
49 #include "G4SystemOfUnits.hh"
50 #include "G4ParticleDefinition.hh"
51 #include "G4LossTableManager.hh"
52 #include "G4EmParameters.hh"
53 #include "G4EmBuilder.hh"
54
55 #include "G4ComptonScattering.hh"
56 #include "G4GammaConversion.hh"
57 #include "G4PhotoElectricEffect.hh"
58 #include "G4LivermorePhotoElectricModel.hh"
59 #include "G4KleinNishinaModel.hh"
60 #include "G4RayleighScattering.hh"
61
62 #include "G4hMultipleScattering.hh"
63 #include "G4CoulombScattering.hh"
64 #include "G4eCoulombScatteringModel.hh"
65 #include "G4UrbanMscModel.hh"
66 #include "G4WentzelVIModel.hh"
67
68 #include "G4eIonisation.hh"
69 #include "G4eBremsstrahlung.hh"
70 #include "G4eBremsstrahlungRelModel.hh"
71 #include "G4eplusAnnihilation.hh"
72 #include "G4Generator2BS.hh"
73 #include "G4SeltzerBergerModel.hh"
74
75 #include "G4hIonisation.hh"
76 #include "G4ionIonisation.hh"
77
78 #include "G4ParticleTable.hh"
79 #include "G4Gamma.hh"
80 #include "G4Electron.hh"
81 #include "G4Positron.hh"
82 #include "G4GenericIon.hh"
83
84 #include "G4PhysicsListHelper.hh"
85 #include "G4BuilderType.hh"
86 #include "G4EmModelActivator.hh"
87 #include "G4GammaGeneralProcess.hh"
88
89 // factory
90 #include "G4PhysicsConstructorFactory.hh"
91 //
92 G4_DECLARE_PHYSCONSTR_FACTORY(G4EmStandardPhysics_option2);
93
94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
95
96 G4EmStandardPhysics_option2::G4EmStandardPhysics_option2(G4int ver,
97 const G4String&)
98 : G4VPhysicsConstructor("G4EmStandard_opt2")
99 {
100 SetVerboseLevel(ver);
101 G4EmParameters* param = G4EmParameters::Instance();
102 param->SetDefaults();
103 param->SetVerbose(ver);
104 param->SetApplyCuts(false);
105 param->SetStepFunction(0.8, 1*CLHEP::mm);
106 param->SetMscRangeFactor(0.2);
107 param->SetLateralDisplacement(false);
108 param->SetMscStepLimitType(fMinimal);
109 SetPhysicsType(bElectromagnetic);
110 }
111
112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
113
114 G4EmStandardPhysics_option2::~G4EmStandardPhysics_option2()
115 {}
116
117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118
119 void G4EmStandardPhysics_option2::ConstructParticle()
120 {
121 // minimal set of particles for EM physics
122 G4EmBuilder::ConstructMinimalEmSet();
123 }
124
125 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
126
127 void G4EmStandardPhysics_option2::ConstructProcess()
128 {
129 if(verboseLevel > 1) {
130 G4cout << "### " << GetPhysicsName() << " Construct Processes " << G4endl;
131 }
132 G4EmBuilder::PrepareEMPhysics();
133
134 G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
135
136 // processes used by several particles
137 G4hMultipleScattering* hmsc = new G4hMultipleScattering("ionmsc");
138 G4NuclearStopping* pnuc(nullptr);
139
140 // high energy limit for e+- scattering models and bremsstrahlung
141 G4double highEnergyLimit = G4EmParameters::Instance()->MscEnergyLimit();
142
143 // Add gamma EM Processes
144 G4ParticleDefinition* particle = G4Gamma::Gamma();
145
146 G4PhotoElectricEffect* pee = new G4PhotoElectricEffect();
147 pee->SetEmModel(new G4LivermorePhotoElectricModel());
148
149 if(G4EmParameters::Instance()->GeneralProcessActive()) {
150 G4GammaGeneralProcess* sp = new G4GammaGeneralProcess();
151 sp->AddEmProcess(pee);
152 sp->AddEmProcess(new G4ComptonScattering());
153 sp->AddEmProcess(new G4GammaConversion());
154 G4LossTableManager::Instance()->SetGammaGeneralProcess(sp);
155 ph->RegisterProcess(sp, particle);
156
157 } else {
158 ph->RegisterProcess(pee, particle);
159 ph->RegisterProcess(new G4ComptonScattering(), particle);
160 ph->RegisterProcess(new G4GammaConversion(), particle);
161 }
162
163 // e-
164 particle = G4Electron::Electron();
165
166 G4eIonisation* eioni = new G4eIonisation();
167
168 G4UrbanMscModel* msc1 = new G4UrbanMscModel();
169 G4WentzelVIModel* msc2 = new G4WentzelVIModel();
170 msc1->SetHighEnergyLimit(highEnergyLimit);
171 msc2->SetLowEnergyLimit(highEnergyLimit);
172 G4EmBuilder::ConstructElectronMscProcess(msc1, msc2, particle);
173
174 G4eCoulombScatteringModel* ssm = new G4eCoulombScatteringModel();
175 G4CoulombScattering* ss = new G4CoulombScattering();
176 ss->SetEmModel(ssm);
177 ss->SetMinKinEnergy(highEnergyLimit);
178 ssm->SetLowEnergyLimit(highEnergyLimit);
179 ssm->SetActivationLowEnergyLimit(highEnergyLimit);
180
181 ph->RegisterProcess(eioni, particle);
182 ph->RegisterProcess(new G4eBremsstrahlung(), particle);
183 ph->RegisterProcess(ss, particle);
184
185 // e+
186 particle = G4Positron::Positron();
187 eioni = new G4eIonisation();
188
189 msc1 = new G4UrbanMscModel();
190 msc2 = new G4WentzelVIModel();
191 msc1->SetHighEnergyLimit(highEnergyLimit);
192 msc2->SetLowEnergyLimit(highEnergyLimit);
193 G4EmBuilder::ConstructElectronMscProcess(msc1, msc2, particle);
194
195 ssm = new G4eCoulombScatteringModel();
196 ss = new G4CoulombScattering();
197 ss->SetEmModel(ssm);
198 ss->SetMinKinEnergy(highEnergyLimit);
199 ssm->SetLowEnergyLimit(highEnergyLimit);
200 ssm->SetActivationLowEnergyLimit(highEnergyLimit);
201
202 ph->RegisterProcess(eioni, particle);
203 ph->RegisterProcess(new G4eBremsstrahlung(), particle);
204 ph->RegisterProcess(new G4eplusAnnihilation(), particle);
205 ph->RegisterProcess(ss, particle);
206
207 // generic ion
208 particle = G4GenericIon::GenericIon();
209 G4ionIonisation* ionIoni = new G4ionIonisation();
210 ph->RegisterProcess(hmsc, particle);
211 ph->RegisterProcess(ionIoni, particle);
212
213 // muons, hadrons ions
214 G4EmBuilder::ConstructCharged(hmsc, pnuc);
215
216 // extra configuration
217 G4EmModelActivator mact(GetPhysicsName());
218 }
219
220 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221