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>> 26 // $Id: G4ComptonScattering.cc 107058 2017-11-01 14:54:12Z gcosmo $
26 // 27 //
27 // 28 //
28 //------------ G4ComptonScattering physics pro 29 //------------ G4ComptonScattering physics process -----------------------------
29 // by Michel Maire, April 19 30 // by Michel Maire, April 1996
30 // 31 //
31 // Modified: Michel Maire and Vladimir Ivanche << 32 // 28-05-96, DoIt() small change in ElecDirection, by M.Maire
>> 33 // 10-06-96, simplification in ComputeMicroscopicCrossSection(), by M.Maire
>> 34 // 21-06-96, SetCuts implementation, M.Maire
>> 35 // 13-09-96, small changes in DoIt for better efficiency. Thanks to P.Urban
>> 36 // 06-01-97, crossection table + meanfreepath table, M.Maire
>> 37 // 05-03-97, new Physics scheme, M.Maire
>> 38 // 28-03-97, protection in BuildPhysicsTable, M.Maire
>> 39 // 07-04-98, remove 'tracking cut' of the scattered gamma, MMa
>> 40 // 04-06-98, in DoIt, secondary production condition:
>> 41 // range>std::min(threshold,safety)
>> 42 // 13-08-98, new methods SetBining() PrintInfo()
>> 43 // 15-12-98, cross section=0 below 10 keV
>> 44 // 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
>> 45 // 13-07-01, DoIt: suppression of production cut for the electron (mma)
>> 46 // 03-08-01, new methods Store/Retrieve PhysicsTable (mma)
>> 47 // 06-08-01, BuildThePhysicsTable() called from constructor (mma)
>> 48 // 17-09-01, migration of Materials to pure STL (mma)
>> 49 // 20-09-01, DoIt: fminimalEnergy = 1*eV (mma)
>> 50 // 01-10-01, come back to BuildPhysicsTable(const G4ParticleDefinition&)
>> 51 // 17-04-02, LowestEnergyLimit = 1*keV
>> 52 // 26-05-04, cross section parametrization improved for low energy :
>> 53 // Egamma <~ 15 keV (Laszlo)
>> 54 // 08-11-04, Remove Store/Retrieve tables (V.Ivanchenko)
>> 55 // 09-03-05 Migrate to model interface
>> 56 // and inherit from G4VEmProcess (V.Ivanchenko)
>> 57 // 04-05-05, Make class to be default (V.Ivanchenko)
>> 58 // 09-09-06, modify SetModel(G4VEmModel*) (mma)
>> 59 // 12-09-06, move SetModel(G4VEmModel*) in G4VEmProcess (mma)
32 // 60 //
33 // ------------------------------------------- 61 // -----------------------------------------------------------------------------
34 62
35 #include "G4ComptonScattering.hh" 63 #include "G4ComptonScattering.hh"
36 #include "G4SystemOfUnits.hh" 64 #include "G4SystemOfUnits.hh"
37 #include "G4KleinNishinaModel.hh" 65 #include "G4KleinNishinaModel.hh"
38 #include "G4KleinNishinaCompton.hh" 66 #include "G4KleinNishinaCompton.hh"
39 #include "G4Electron.hh" 67 #include "G4Electron.hh"
40 #include "G4EmParameters.hh" 68 #include "G4EmParameters.hh"
41 69
42 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 71
44 using namespace std; 72 using namespace std;
45 73
46 G4ComptonScattering::G4ComptonScattering(const 74 G4ComptonScattering::G4ComptonScattering(const G4String& processName,
47 G4ProcessType type):G4VEmProcess (processNam << 75 G4ProcessType type):G4VEmProcess (processName, type),
>> 76 isInitialised(false)
48 { 77 {
49 SetStartFromNullFlag(true); 78 SetStartFromNullFlag(true);
50 SetBuildTableFlag(true); 79 SetBuildTableFlag(true);
51 SetSecondaryParticle(G4Electron::Electron()) 80 SetSecondaryParticle(G4Electron::Electron());
52 SetProcessSubType(fComptonScattering); 81 SetProcessSubType(fComptonScattering);
53 SetMinKinEnergyPrim(1*CLHEP::MeV); << 82 SetMinKinEnergyPrim(1*MeV);
54 SetSplineFlag(true); 83 SetSplineFlag(true);
55 } 84 }
56 85
57 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 87
59 G4ComptonScattering::~G4ComptonScattering() = << 88 G4ComptonScattering::~G4ComptonScattering()
>> 89 {}
60 90
61 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 92
63 G4bool G4ComptonScattering::IsApplicable(const 93 G4bool G4ComptonScattering::IsApplicable(const G4ParticleDefinition& p)
64 { 94 {
65 return (&p == G4Gamma::Gamma()); 95 return (&p == G4Gamma::Gamma());
66 } 96 }
67 97
68 //....oooOO0OOooo........oooOO0OOooo........oo 98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 99
70 void G4ComptonScattering::InitialiseProcess(co 100 void G4ComptonScattering::InitialiseProcess(const G4ParticleDefinition*)
71 { 101 {
72 if(!isInitialised) { 102 if(!isInitialised) {
73 isInitialised = true; 103 isInitialised = true;
74 if(nullptr == EmModel(0)) { SetEmModel(new << 104 if(!EmModel(0)) { SetEmModel(new G4KleinNishinaCompton()); }
75 G4EmParameters* param = G4EmParameters::In 105 G4EmParameters* param = G4EmParameters::Instance();
76 EmModel(0)->SetLowEnergyLimit(param->MinKi 106 EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy());
77 EmModel(0)->SetHighEnergyLimit(param->MaxK 107 EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy());
78 AddEmModel(1, EmModel(0)); 108 AddEmModel(1, EmModel(0));
79 } 109 }
80 } 110 }
81 111
82 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 113
>> 114 void G4ComptonScattering::PrintInfo()
>> 115 {}
>> 116
>> 117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 118
84 void G4ComptonScattering::ProcessDescription(s 119 void G4ComptonScattering::ProcessDescription(std::ostream& out) const
85 { 120 {
86 out << " Compton scattering"; << 121 out << "<strong>Compton scattering</strong>";
87 G4VEmProcess::ProcessDescription(out); 122 G4VEmProcess::ProcessDescription(out);
88 } 123 }
89 124
90 //....oooOO0OOooo........oooOO0OOooo........oo 125 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
91 126