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25 // 25 //
>> 26 // $Id: G4hMultipleScattering.cc,v 1.13 2008/10/15 17:53:44 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02 $
26 // 28 //
27 // ------------------------------------------- 29 // -----------------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // File name: G4hMultipleScattering 33 // File name: G4hMultipleScattering
32 // 34 //
33 // Author: Laszlo Urban 35 // Author: Laszlo Urban
34 // 36 //
35 // Creation date: 24.10.2006 cloned from G4Mul 37 // Creation date: 24.10.2006 cloned from G4MultipleScattering
36 // 38 //
37 // Modified: 39 // Modified:
38 // 12-02-07 skin can be changed via UI command 40 // 12-02-07 skin can be changed via UI command (VI)
39 // 20.03.07 Remove local parameter skin, set f 41 // 20.03.07 Remove local parameter skin, set facgeom=0.1(V.Ivanchenko)
40 // 42 //
41 // ------------------------------------------- 43 // -----------------------------------------------------------------------------
42 // 44 //
43 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 47
46 #include "G4hMultipleScattering.hh" 48 #include "G4hMultipleScattering.hh"
47 #include "G4UrbanMscModel.hh" 49 #include "G4UrbanMscModel.hh"
>> 50 #include "G4UrbanMscModel90.hh"
48 #include "G4MscStepLimitType.hh" 51 #include "G4MscStepLimitType.hh"
49 52
50 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 54
52 using namespace std; 55 using namespace std;
53 56
54 G4hMultipleScattering::G4hMultipleScattering(c 57 G4hMultipleScattering::G4hMultipleScattering(const G4String& processName)
55 : G4VMultipleScattering(processName) 58 : G4VMultipleScattering(processName)
56 { 59 {
57 isInitialized = false; 60 isInitialized = false;
>> 61 isIon = false;
>> 62 SetStepLimitType(fMinimal);
58 } 63 }
59 64
60 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 66
62 G4hMultipleScattering::~G4hMultipleScattering( << 67 G4hMultipleScattering::~G4hMultipleScattering()
>> 68 {}
63 69
64 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 71
66 G4bool G4hMultipleScattering::IsApplicable (co 72 G4bool G4hMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
67 { 73 {
68 return (p.GetPDGCharge() != 0.0); << 74 return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
69 } 75 }
70 76
71 //....oooOO0OOooo........oooOO0OOooo........oo 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72 78
73 void G4hMultipleScattering::InitialiseProcess( << 79 void G4hMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p)
74 { 80 {
75 if(isInitialized) { return; } << 81 // Modification of parameters between runs
76 if(nullptr == EmModel(0)) { SetEmModel( new << 82 if(isInitialized) {
77 AddEmModel(1, EmModel(0)); << 83 if (p->GetParticleType() != "nucleus" && p->GetPDGMass() < GeV) {
>> 84 mscUrban->SetStepLimitType(StepLimitType());
>> 85 mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
>> 86 mscUrban->SetSkin(Skin());
>> 87 mscUrban->SetRangeFactor(RangeFactor());
>> 88 mscUrban->SetGeomFactor(GeomFactor());
>> 89 }
>> 90 return;
>> 91 }
>> 92
>> 93 // defaults for ions, which cannot be overwritten
>> 94 if (p->GetParticleType() == "nucleus" || p->GetPDGMass() > GeV) {
>> 95 SetStepLimitType(fMinimal);
>> 96 SetLateralDisplasmentFlag(false);
>> 97 SetBuildLambdaTable(false);
>> 98 if(p->GetParticleType() == "nucleus") isIon = true;
>> 99 }
>> 100
>> 101 // initialisation of parameters
>> 102 G4String part_name = p->GetParticleName();
>> 103 mscUrban = new G4UrbanMscModel90();
>> 104
>> 105 mscUrban->SetStepLimitType(StepLimitType());
>> 106 mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
>> 107 mscUrban->SetSkin(Skin());
>> 108 mscUrban->SetRangeFactor(RangeFactor());
>> 109 mscUrban->SetGeomFactor(GeomFactor());
>> 110
>> 111 AddEmModel(1,mscUrban);
78 isInitialized = true; 112 isInitialized = true;
79 } 113 }
80 114
81 //....oooOO0OOooo........oooOO0OOooo........oo 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 116
83 void G4hMultipleScattering::StreamProcessInfo( << 117 void G4hMultipleScattering::PrintInfo()
84 { 118 {
85 out << " RangeFactor= " << RangeFactor( << 119 G4cout << " RangeFactor= " << RangeFactor()
86 << ", stepLimType: " << StepLimitType() << 120 << ", step limit type: " << StepLimitType()
87 << ", latDisp: " << LateralDisplasmentFl << 121 << ", lateralDisplacement: " << LateralDisplasmentFlag()
88 if(StepLimitType() == fUseDistanceToBoundary << 122 << ", skin= " << Skin()
89 out << ", skin= " << Skin() << ", geomFac << 123 // << ", geomFactor= " << GeomFactor()
90 } << 124 << G4endl;
91 out << G4endl; <<
92 } 125 }
93 126
94 //....oooOO0OOooo........oooOO0OOooo........oo 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
95 128
96 void G4hMultipleScattering::ProcessDescription << 129 G4double G4hMultipleScattering::AlongStepGetPhysicalInteractionLength(
>> 130 const G4Track& track,
>> 131 G4double,
>> 132 G4double currentMinimalStep,
>> 133 G4double& currentSafety,
>> 134 G4GPILSelection* selection)
97 { 135 {
98 out << << 136 // get Step limit proposed by the process
99 " Hadron multiple scattering. Simulates com << 137 valueGPILSelectionMSC = NotCandidateForSelection;
100 " scattering at the end of the step, to s << 138
101 " be combined with Coulomb scattering in << 139 G4double escaled = track.GetKineticEnergy();
102 G4VMultipleScattering::ProcessDescription(ou << 140 if(isIon) escaled *= track.GetDynamicParticle()->GetMass()/proton_mass_c2;
>> 141
>> 142 G4double steplength = GetMscContinuousStepLimit(track,
>> 143 escaled,
>> 144 currentMinimalStep,
>> 145 currentSafety);
>> 146 // G4cout << "StepLimit= " << steplength << G4endl;
>> 147 // set return value for G4GPILSelection
>> 148 *selection = valueGPILSelectionMSC;
>> 149 return steplength;
103 } 150 }
104 151
105 //....oooOO0OOooo........oooOO0OOooo........oo << 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
106 153
107 154