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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
>> 23 // $Id: G4eBremsstrahlung.cc,v 1.42 2005/04/08 12:39:58 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-08-00 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class file 28 // GEANT4 Class file
30 // 29 //
31 // 30 //
32 // File name: G4eBremsstrahlung 31 // File name: G4eBremsstrahlung
33 // 32 //
34 // Author: Michel Maire 33 // Author: Michel Maire
35 // 34 //
36 // Creation date: 26.06.1996 35 // Creation date: 26.06.1996
37 // 36 //
38 // Modified by Michel Maire, Vladimir Ivanchen << 37 // Modifications:
>> 38 //
>> 39 // 26-09-96 extension of the total crosssection above 100 GeV, M.Maire
>> 40 // 1-10-96 new type G4OrderedTable; ComputePartialSumSigma(), M.Maire
>> 41 // 16-10-96 DoIt() call to the non static GetEnergyCuts(), L.Urban
>> 42 // 13-12-96 Sign corrected in grejmax and greject
>> 43 // error definition of screenvar, L.Urban
>> 44 // 20-03-97 new energy loss+ionisation+brems scheme, L.Urban
>> 45 // 07-04-98 remove 'tracking cut' of the diffracted particle, MMa
>> 46 // 13-08-98 new methods SetBining() PrintInfo()
>> 47 // 03-03-99 Bug fixed in LPM effect, L.Urban
>> 48 // 10-02-00 modifications , new e.m. structure, L.Urban
>> 49 // 07-08-00 new cross section/en.loss parametrisation, LPM flag , L.Urban
>> 50 // 21-09-00 corrections in the LPM implementation, L.Urban
>> 51 // 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
>> 52 // 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
>> 53 // 17-09-01 migration of Materials to pure STL (mma)
>> 54 // 21-09-01 completion of RetrievePhysicsTable() (mma)
>> 55 // 29-10-01 all static functions no more inlined (mma)
>> 56 // 08-11-01 particleMass becomes a local variable
>> 57 // 30-04-02 V.Ivanchenko update to new design
>> 58 // 23-12-02 Change interface in order to move to cut per region (VI)
>> 59 // 26-12-02 Secondary production moved to derived classes (VI)
>> 60 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
>> 61 // 08-08-03 STD substitute standard (V.Ivanchenko)
>> 62 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
>> 63 // 04-11-04 add gamma threshold (V.Ivanchenko)
>> 64 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
>> 65 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
39 // 66 //
40 // ------------------------------------------- 67 // -------------------------------------------------------------------
41 // 68 //
42 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 71
45 #include "G4eBremsstrahlung.hh" 72 #include "G4eBremsstrahlung.hh"
46 #include "G4SystemOfUnits.hh" <<
47 #include "G4Gamma.hh" 73 #include "G4Gamma.hh"
48 #include "G4SeltzerBergerModel.hh" << 74 #include "G4eBremsstrahlungModel.hh"
49 #include "G4eBremsstrahlungRelModel.hh" << 75 #include "G4UniversalFluctuation.hh"
50 #include "G4UnitsTable.hh" 76 #include "G4UnitsTable.hh"
51 #include "G4LossTableManager.hh" <<
52 77
53 #include "G4ProductionCutsTable.hh" 78 #include "G4ProductionCutsTable.hh"
54 #include "G4MaterialCutsCouple.hh" 79 #include "G4MaterialCutsCouple.hh"
55 #include "G4EmParameters.hh" <<
56 80
57 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
58 82
59 using namespace std; 83 using namespace std;
60 84
61 G4eBremsstrahlung::G4eBremsstrahlung(const G4S << 85 G4eBremsstrahlung::G4eBremsstrahlung(const G4String& name, G4double thresh):
62 G4VEnergyLossProcess(name) << 86 G4VEnergyLossProcess(name),
>> 87 gammaThreshold(thresh),
>> 88 isInitialised(false)
63 { 89 {
64 SetProcessSubType(fBremsstrahlung); << 90 SetDEDXBinning(120);
65 SetSecondaryParticle(G4Gamma::Gamma()); << 91 SetLambdaBinning(120);
66 SetIonisation(false); << 92 SetMinKinEnergy(0.1*keV);
67 SetCrossSectionType(fEmTwoPeaks); << 93 SetMaxKinEnergy(100.0*TeV);
68 } <<
69 <<
70 //....oooOO0OOooo........oooOO0OOooo........oo <<
71 94
72 G4eBremsstrahlung::~G4eBremsstrahlung() = defa << 95 }
73 96
74 //....oooOO0OOooo........oooOO0OOooo........oo 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
75 98
76 G4bool G4eBremsstrahlung::IsApplicable(const G << 99 G4eBremsstrahlung::~G4eBremsstrahlung()
77 { << 100 {}
78 return (&p == G4Electron::Electron() || &p = <<
79 } <<
80 101
81 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
82 103
83 void << 104 void G4eBremsstrahlung::InitialiseEnergyLossProcess(const G4ParticleDefinition* p,
84 G4eBremsstrahlung::InitialiseEnergyLossProcess << 105 const G4ParticleDefinition*)
85 const G4ParticleDefinition*) <<
86 { 106 {
87 if(!isInitialised) { 107 if(!isInitialised) {
88 G4EmParameters* param = G4EmParameters::In <<
89 <<
90 G4double emax = param->MaxKinEnergy(); <<
91 G4VEmFluctuationModel* fm = nullptr; <<
92 <<
93 if (nullptr == EmModel(0)) { SetEmModel(ne <<
94 G4double energyLimit = std::min(EmModel(0) <<
95 EmModel(0)->SetHighEnergyLimit(energyLimit <<
96 EmModel(0)->SetSecondaryThreshold(param->B <<
97 AddEmModel(1, EmModel(0), fm); <<
98 <<
99 if(emax > energyLimit) { <<
100 if (nullptr == EmModel(1)) { <<
101 SetEmModel(new G4eBremsstrahlungRelModel()); <<
102 } <<
103 EmModel(1)->SetLowEnergyLimit(energyLimi <<
104 EmModel(1)->SetHighEnergyLimit(emax); <<
105 EmModel(1)->SetSecondaryThreshold(param- <<
106 AddEmModel(1, EmModel(1), fm); <<
107 } <<
108 isInitialised = true; 108 isInitialised = true;
>> 109 particle = p;
>> 110 SetSecondaryParticle(G4Gamma::Gamma());
>> 111 SetIonisation(false);
>> 112
>> 113 //G4VEmFluctuationModel* fm = 0;
>> 114 G4VEmFluctuationModel* fm = new G4UniversalFluctuation();
>> 115
>> 116 G4VEmModel* em = new G4eBremsstrahlungModel();
>> 117 em->SetLowEnergyLimit(0.1*keV);
>> 118 em->SetHighEnergyLimit(100.0*TeV);
>> 119 AddEmModel(1, em, fm);
109 } 120 }
110 } 121 }
111 122
112 //....oooOO0OOooo........oooOO0OOooo........oo 123 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
113 124
114 void G4eBremsstrahlung::StreamProcessInfo(std: << 125 void G4eBremsstrahlung::PrintInfo()
115 { <<
116 if(nullptr != EmModel(0)) { <<
117 G4EmParameters* param = G4EmParameters::In <<
118 G4double eth = param->BremsstrahlungTh(); <<
119 out << " LPM flag: " << param->LPM() <<
120 << EmModel(0)->HighEnergyLimit()/GeV << " Ge <<
121 if(eth < DBL_MAX) { <<
122 out << ", VertexHighEnergyTh(GeV)= " << <<
123 } <<
124 out << G4endl; <<
125 } <<
126 } <<
127 <<
128 //....oooOO0OOooo........oooOO0OOooo........oo <<
129 <<
130 void G4eBremsstrahlung::ProcessDescription(std <<
131 { 126 {
132 out << " Bremsstrahlung"; << 127 G4cout << " Total cross sections from a parametrisation"
133 G4VEnergyLossProcess::ProcessDescription(out << 128 << " based on the EEDL data library. "
>> 129 << G4endl
>> 130 << " Good description from 1 KeV to 100 GeV, "
>> 131 << "log scale extrapolation above 100 GeV."
>> 132 << G4endl;
134 } 133 }
135 134
136 //....oooOO0OOooo........oooOO0OOooo........oo 135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
137 136