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>> 26 // $Id: G4ComptonScattering.cc 66241 2012-12-13 18:34:42Z gunter $
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" <<
41 68
42 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 70
44 using namespace std; 71 using namespace std;
45 72
46 G4ComptonScattering::G4ComptonScattering(const 73 G4ComptonScattering::G4ComptonScattering(const G4String& processName,
47 G4ProcessType type):G4VEmProcess (processNam << 74 G4ProcessType type):G4VEmProcess (processName, type),
>> 75 isInitialised(false)
48 { 76 {
49 SetStartFromNullFlag(true); << 77 SetStartFromNullFlag(false);
50 SetBuildTableFlag(true); 78 SetBuildTableFlag(true);
51 SetSecondaryParticle(G4Electron::Electron()) 79 SetSecondaryParticle(G4Electron::Electron());
52 SetProcessSubType(fComptonScattering); 80 SetProcessSubType(fComptonScattering);
53 SetMinKinEnergyPrim(1*CLHEP::MeV); << 81 SetMinKinEnergyPrim(1*MeV);
54 SetSplineFlag(true); 82 SetSplineFlag(true);
55 } 83 }
56 84
57 //....oooOO0OOooo........oooOO0OOooo........oo 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 86
59 G4ComptonScattering::~G4ComptonScattering() = << 87 G4ComptonScattering::~G4ComptonScattering()
>> 88 {}
60 89
61 //....oooOO0OOooo........oooOO0OOooo........oo 90 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 91
63 G4bool G4ComptonScattering::IsApplicable(const 92 G4bool G4ComptonScattering::IsApplicable(const G4ParticleDefinition& p)
64 { 93 {
65 return (&p == G4Gamma::Gamma()); 94 return (&p == G4Gamma::Gamma());
66 } 95 }
67 96
68 //....oooOO0OOooo........oooOO0OOooo........oo 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 98
70 void G4ComptonScattering::InitialiseProcess(co 99 void G4ComptonScattering::InitialiseProcess(const G4ParticleDefinition*)
71 { 100 {
72 if(!isInitialised) { 101 if(!isInitialised) {
73 isInitialised = true; 102 isInitialised = true;
74 if(nullptr == EmModel(0)) { SetEmModel(new << 103 if(!EmModel(1)) { SetEmModel(new G4KleinNishinaCompton(), 1); }
75 G4EmParameters* param = G4EmParameters::In << 104 EmModel(1)->SetLowEnergyLimit(MinKinEnergy());
76 EmModel(0)->SetLowEnergyLimit(param->MinKi << 105 EmModel(1)->SetHighEnergyLimit(MaxKinEnergy());
77 EmModel(0)->SetHighEnergyLimit(param->MaxK << 106 AddEmModel(1, EmModel(1));
78 AddEmModel(1, EmModel(0)); <<
79 } 107 }
80 } 108 }
81 109
82 //....oooOO0OOooo........oooOO0OOooo........oo 110 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 111
84 void G4ComptonScattering::ProcessDescription(s << 112 void G4ComptonScattering::PrintInfo()
85 { << 113 {}
86 out << " Compton scattering"; <<
87 G4VEmProcess::ProcessDescription(out); <<
88 } <<
89 114
90 //....oooOO0OOooo........oooOO0OOooo........oo << 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
91 116