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25 // 25 //
>> 26 // $Id: G4eBremsstrahlung.cc 75582 2013-11-04 12:13:01Z gcosmo $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4eBremsstrahlung 33 // File name: G4eBremsstrahlung
33 // 34 //
34 // Author: Michel Maire 35 // Author: Michel Maire
35 // 36 //
36 // Creation date: 26.06.1996 37 // Creation date: 26.06.1996
37 // 38 //
38 // Modified by Michel Maire, Vladimir Ivanchen << 39 // Modifications:
39 // 40 //
>> 41 // 26-09-96 extension of the total crosssection above 100 GeV, M.Maire
>> 42 // 1-10-96 new type G4OrderedTable; ComputePartialSumSigma(), M.Maire
>> 43 // 16-10-96 DoIt() call to the non static GetEnergyCuts(), L.Urban
>> 44 // 13-12-96 Sign corrected in grejmax and greject
>> 45 // error definition of screenvar, L.Urban
>> 46 // 20-03-97 new energy loss+ionisation+brems scheme, L.Urban
>> 47 // 07-04-98 remove 'tracking cut' of the diffracted particle, MMa
>> 48 // 13-08-98 new methods SetBining() PrintInfo()
>> 49 // 03-03-99 Bug fixed in LPM effect, L.Urban
>> 50 // 10-02-00 modifications , new e.m. structure, L.Urban
>> 51 // 07-08-00 new cross section/en.loss parametrisation, LPM flag , L.Urban
>> 52 // 21-09-00 corrections in the LPM implementation, L.Urban
>> 53 // 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
>> 54 // 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
>> 55 // 17-09-01 migration of Materials to pure STL (mma)
>> 56 // 21-09-01 completion of RetrievePhysicsTable() (mma)
>> 57 // 29-10-01 all static functions no more inlined (mma)
>> 58 // 08-11-01 particleMass becomes a local variable
>> 59 // 30-04-02 V.Ivanchenko update to new design
>> 60 // 23-12-02 Change interface in order to move to cut per region (VI)
>> 61 // 26-12-02 Secondary production moved to derived classes (VI)
>> 62 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
>> 63 // 08-08-03 STD substitute standard (V.Ivanchenko)
>> 64 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
>> 65 // 04-11-04 add gamma threshold (V.Ivanchenko)
>> 66 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
>> 67 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
>> 68 // 22-05-06 Use gammaThreshold from manager (V.Ivantchenko)
>> 69 // 15-01-07 use SetEmModel() from G4VEnergyLossProcess (mma)
>> 70 // use RelEmModel above 1GeV (AS & VI)
>> 71 // 13-11-08 reenable LPM switch (A.Schaelicke)
40 // ------------------------------------------- 72 // -------------------------------------------------------------------
41 // 73 //
42 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 76
45 #include "G4eBremsstrahlung.hh" 77 #include "G4eBremsstrahlung.hh"
46 #include "G4SystemOfUnits.hh" 78 #include "G4SystemOfUnits.hh"
47 #include "G4Gamma.hh" 79 #include "G4Gamma.hh"
48 #include "G4SeltzerBergerModel.hh" 80 #include "G4SeltzerBergerModel.hh"
49 #include "G4eBremsstrahlungRelModel.hh" 81 #include "G4eBremsstrahlungRelModel.hh"
50 #include "G4UnitsTable.hh" 82 #include "G4UnitsTable.hh"
51 #include "G4LossTableManager.hh" 83 #include "G4LossTableManager.hh"
52 84
53 #include "G4ProductionCutsTable.hh" 85 #include "G4ProductionCutsTable.hh"
54 #include "G4MaterialCutsCouple.hh" 86 #include "G4MaterialCutsCouple.hh"
55 #include "G4EmParameters.hh" <<
56 87
57 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
58 89
59 using namespace std; 90 using namespace std;
60 91
61 G4eBremsstrahlung::G4eBremsstrahlung(const G4S 92 G4eBremsstrahlung::G4eBremsstrahlung(const G4String& name):
62 G4VEnergyLossProcess(name) << 93 G4VEnergyLossProcess(name),
>> 94 isInitialised(false)
63 { 95 {
64 SetProcessSubType(fBremsstrahlung); 96 SetProcessSubType(fBremsstrahlung);
65 SetSecondaryParticle(G4Gamma::Gamma()); 97 SetSecondaryParticle(G4Gamma::Gamma());
66 SetIonisation(false); 98 SetIonisation(false);
67 SetCrossSectionType(fEmTwoPeaks); <<
68 } 99 }
69 100
70 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 102
72 G4eBremsstrahlung::~G4eBremsstrahlung() = defa << 103 G4eBremsstrahlung::~G4eBremsstrahlung()
>> 104 {}
73 105
74 //....oooOO0OOooo........oooOO0OOooo........oo 106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
75 107
76 G4bool G4eBremsstrahlung::IsApplicable(const G 108 G4bool G4eBremsstrahlung::IsApplicable(const G4ParticleDefinition& p)
77 { 109 {
78 return (&p == G4Electron::Electron() || &p = 110 return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
79 } 111 }
80 112
81 //....oooOO0OOooo........oooOO0OOooo........oo 113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
82 114
83 void 115 void
84 G4eBremsstrahlung::InitialiseEnergyLossProcess 116 G4eBremsstrahlung::InitialiseEnergyLossProcess(const G4ParticleDefinition*,
85 const G4ParticleDefinition*) 117 const G4ParticleDefinition*)
86 { 118 {
87 if(!isInitialised) { 119 if(!isInitialised) {
88 G4EmParameters* param = G4EmParameters::In <<
89 120
90 G4double emax = param->MaxKinEnergy(); << 121 // if (!EmModel(1)) { SetEmModel(new G4eBremsstrahlungModel(), 1); }
91 G4VEmFluctuationModel* fm = nullptr; << 122 if (!EmModel(1)) { SetEmModel(new G4SeltzerBergerModel(), 1); }
92 << 123 if (!EmModel(2)) { SetEmModel(new G4eBremsstrahlungRelModel(), 2); }
93 if (nullptr == EmModel(0)) { SetEmModel(ne << 124
94 G4double energyLimit = std::min(EmModel(0) << 125 G4double energyLimit = 1*GeV;
95 EmModel(0)->SetHighEnergyLimit(energyLimit << 126
96 EmModel(0)->SetSecondaryThreshold(param->B << 127 EmModel(1)->SetLowEnergyLimit(MinKinEnergy());
97 AddEmModel(1, EmModel(0), fm); << 128 EmModel(1)->SetHighEnergyLimit(energyLimit);
98 << 129 EmModel(2)->SetLowEnergyLimit(energyLimit);
99 if(emax > energyLimit) { << 130 EmModel(2)->SetHighEnergyLimit(MaxKinEnergy());
100 if (nullptr == EmModel(1)) { << 131
101 SetEmModel(new G4eBremsstrahlungRelModel()); << 132 G4VEmFluctuationModel* fm = 0;
102 } << 133 AddEmModel(1, EmModel(1), fm);
103 EmModel(1)->SetLowEnergyLimit(energyLimi << 134 AddEmModel(2, EmModel(2), fm);
104 EmModel(1)->SetHighEnergyLimit(emax); <<
105 EmModel(1)->SetSecondaryThreshold(param- <<
106 AddEmModel(1, EmModel(1), fm); <<
107 } <<
108 isInitialised = true; 135 isInitialised = true;
109 } 136 }
>> 137 G4LossTableManager* man = G4LossTableManager::Instance();
>> 138 G4double eth = man->BremsstrahlungTh();
>> 139 EmModel(1)->SetSecondaryThreshold(eth);
>> 140 EmModel(2)->SetSecondaryThreshold(eth);
>> 141
>> 142 // Only high energy model LMP flag is ON/OFF
>> 143 EmModel(1)->SetLPMFlag(false);
>> 144 EmModel(2)->SetLPMFlag(man->LPMFlag());
110 } 145 }
111 146
112 //....oooOO0OOooo........oooOO0OOooo........oo 147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
113 148
114 void G4eBremsstrahlung::StreamProcessInfo(std: << 149 void G4eBremsstrahlung::PrintInfo()
115 { 150 {
116 if(nullptr != EmModel(0)) { << 151 if(EmModel(1)) {
117 G4EmParameters* param = G4EmParameters::In << 152 G4LossTableManager* man = G4LossTableManager::Instance();
118 G4double eth = param->BremsstrahlungTh(); << 153 G4double eth = man->BremsstrahlungTh();
119 out << " LPM flag: " << param->LPM() << 154 G4cout << " LPM flag: " << man->LPMFlag() << " for E > "
120 << EmModel(0)->HighEnergyLimit()/GeV << " Ge << 155 << EmModel(1)->HighEnergyLimit()/GeV << " GeV";
121 if(eth < DBL_MAX) { 156 if(eth < DBL_MAX) {
122 out << ", VertexHighEnergyTh(GeV)= " << << 157 G4cout << ", HighEnergyThreshold(GeV)= " << eth/GeV;
123 } 158 }
124 out << G4endl; << 159 G4cout << G4endl;
125 } 160 }
126 } <<
127 <<
128 //....oooOO0OOooo........oooOO0OOooo........oo <<
129 <<
130 void G4eBremsstrahlung::ProcessDescription(std <<
131 { <<
132 out << " Bremsstrahlung"; <<
133 G4VEnergyLossProcess::ProcessDescription(out <<
134 } 161 }
135 162
136 //....oooOO0OOooo........oooOO0OOooo........oo 163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
137 164