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25 // 25 //
>> 26 // $Id: G4eBremsstrahlung.cc,v 1.55 2008/11/14 19:23:07 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-04 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4eBremsstrahlung 34 // File name: G4eBremsstrahlung
33 // 35 //
34 // Author: Michel Maire 36 // Author: Michel Maire
35 // 37 //
36 // Creation date: 26.06.1996 38 // Creation date: 26.06.1996
37 // 39 //
38 // Modified by Michel Maire, Vladimir Ivanchen << 40 // Modifications:
39 // 41 //
>> 42 // 26-09-96 extension of the total crosssection above 100 GeV, M.Maire
>> 43 // 1-10-96 new type G4OrderedTable; ComputePartialSumSigma(), M.Maire
>> 44 // 16-10-96 DoIt() call to the non static GetEnergyCuts(), L.Urban
>> 45 // 13-12-96 Sign corrected in grejmax and greject
>> 46 // error definition of screenvar, L.Urban
>> 47 // 20-03-97 new energy loss+ionisation+brems scheme, L.Urban
>> 48 // 07-04-98 remove 'tracking cut' of the diffracted particle, MMa
>> 49 // 13-08-98 new methods SetBining() PrintInfo()
>> 50 // 03-03-99 Bug fixed in LPM effect, L.Urban
>> 51 // 10-02-00 modifications , new e.m. structure, L.Urban
>> 52 // 07-08-00 new cross section/en.loss parametrisation, LPM flag , L.Urban
>> 53 // 21-09-00 corrections in the LPM implementation, L.Urban
>> 54 // 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
>> 55 // 09-08-01 new methods Store/Retrieve PhysicsTable (mma)
>> 56 // 17-09-01 migration of Materials to pure STL (mma)
>> 57 // 21-09-01 completion of RetrievePhysicsTable() (mma)
>> 58 // 29-10-01 all static functions no more inlined (mma)
>> 59 // 08-11-01 particleMass becomes a local variable
>> 60 // 30-04-02 V.Ivanchenko update to new design
>> 61 // 23-12-02 Change interface in order to move to cut per region (VI)
>> 62 // 26-12-02 Secondary production moved to derived classes (VI)
>> 63 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
>> 64 // 08-08-03 STD substitute standard (V.Ivanchenko)
>> 65 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
>> 66 // 04-11-04 add gamma threshold (V.Ivanchenko)
>> 67 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
>> 68 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
>> 69 // 22-05-06 Use gammaThreshold from manager (V.Ivantchenko)
>> 70 // 15-01-07 use SetEmModel() from G4VEnergyLossProcess (mma)
>> 71 // use RelEmModel above 1GeV (AS & VI)
>> 72 // 13-11-08 reenable LPM switch (A.Schaelicke)
40 // ------------------------------------------- 73 // -------------------------------------------------------------------
41 // 74 //
42 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 77
45 #include "G4eBremsstrahlung.hh" 78 #include "G4eBremsstrahlung.hh"
46 #include "G4SystemOfUnits.hh" <<
47 #include "G4Gamma.hh" 79 #include "G4Gamma.hh"
48 #include "G4SeltzerBergerModel.hh" << 80 #include "G4eBremsstrahlungModel.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()); <<
66 SetIonisation(false); <<
67 SetCrossSectionType(fEmTwoPeaks); <<
68 } 97 }
69 98
70 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 100
72 G4eBremsstrahlung::~G4eBremsstrahlung() = defa << 101 G4eBremsstrahlung::~G4eBremsstrahlung()
>> 102 {}
73 103
74 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
75 105
76 G4bool G4eBremsstrahlung::IsApplicable(const G << 106 void G4eBremsstrahlung::InitialiseEnergyLossProcess(
77 { << 107 const G4ParticleDefinition* p,
78 return (&p == G4Electron::Electron() || &p = << 108 const G4ParticleDefinition*)
79 } <<
80 <<
81 //....oooOO0OOooo........oooOO0OOooo........oo <<
82 <<
83 void <<
84 G4eBremsstrahlung::InitialiseEnergyLossProcess <<
85 const G4ParticleDefinition*) <<
86 { 109 {
87 if(!isInitialised) { 110 if(!isInitialised) {
88 G4EmParameters* param = G4EmParameters::In << 111 particle = p;
89 << 112 SetSecondaryParticle(G4Gamma::Gamma());
90 G4double emax = param->MaxKinEnergy(); << 113 SetIonisation(false);
91 G4VEmFluctuationModel* fm = nullptr; << 114
92 << 115 if (!EmModel(1)) SetEmModel(new G4eBremsstrahlungModel(), 1);
93 if (nullptr == EmModel(0)) { SetEmModel(ne << 116 if (!EmModel(2)) SetEmModel(new G4eBremsstrahlungRelModel(), 2);
94 G4double energyLimit = std::min(EmModel(0) << 117
95 EmModel(0)->SetHighEnergyLimit(energyLimit << 118 EmModel(1)->SetLowEnergyLimit(MinKinEnergy());
96 EmModel(0)->SetSecondaryThreshold(param->B << 119 EmModel(1)->SetHighEnergyLimit(EmModel(2)->LowEnergyLimit());
97 AddEmModel(1, EmModel(0), fm); << 120 EmModel(2)->SetHighEnergyLimit(MaxKinEnergy());
98 << 121
99 if(emax > energyLimit) { << 122 G4VEmFluctuationModel* fm = 0;
100 if (nullptr == EmModel(1)) { << 123 AddEmModel(1, EmModel(1), fm);
101 SetEmModel(new G4eBremsstrahlungRelModel()); << 124 AddEmModel(2, EmModel(2), fm);
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; 125 isInitialised = true;
109 } 126 }
>> 127 G4LossTableManager* man = G4LossTableManager::Instance();
>> 128 G4double eth = man->BremsstrahlungTh();
>> 129 EmModel(1)->SetSecondaryThreshold(eth);
>> 130 EmModel(2)->SetSecondaryThreshold(eth);
>> 131
>> 132 // Only high energy model LMP flag is ON/OFF
>> 133 EmModel(1)->SetLPMFlag(false);
>> 134 EmModel(2)->SetLPMFlag(man->LPMFlag());
110 } 135 }
111 136
112 //....oooOO0OOooo........oooOO0OOooo........oo 137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
113 138
114 void G4eBremsstrahlung::StreamProcessInfo(std: << 139 void G4eBremsstrahlung::PrintInfo()
115 { 140 {
116 if(nullptr != EmModel(0)) { << 141 if(EmModel(1)) {
117 G4EmParameters* param = G4EmParameters::In << 142 G4LossTableManager* man = G4LossTableManager::Instance();
118 G4double eth = param->BremsstrahlungTh(); << 143 G4double eth = man->BremsstrahlungTh();
119 out << " LPM flag: " << param->LPM() << 144 G4cout << " LPM flag: " << man->LPMFlag() << " for E > "
120 << EmModel(0)->HighEnergyLimit()/GeV << " Ge << 145 << EmModel(1)->HighEnergyLimit()/GeV << " GeV";
121 if(eth < DBL_MAX) { << 146 if(eth < DBL_MAX) G4cout << ", HighEnergyThreshold(GeV)= " << eth/GeV;
122 out << ", VertexHighEnergyTh(GeV)= " << << 147 G4cout << G4endl;
123 } <<
124 out << G4endl; <<
125 } 148 }
126 } <<
127 <<
128 //....oooOO0OOooo........oooOO0OOooo........oo <<
129 <<
130 void G4eBremsstrahlung::ProcessDescription(std <<
131 { <<
132 out << " Bremsstrahlung"; <<
133 G4VEnergyLossProcess::ProcessDescription(out <<
134 } 149 }
135 150
136 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
137 152