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26 // This example is provided by the Geant4-DNA 26 // This example is provided by the Geant4-DNA collaboration
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29 // Med. Phys. 37 (2010) 4692-4708 29 // Med. Phys. 37 (2010) 4692-4708
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31 // 31 //
32 //-------------------------------------------- 32 //---------------------------------------------------------------------------
33 // 33 //
34 // ClassName: G4ElectronCapture 34 // ClassName: G4ElectronCapture
35 // 35 //
36 // Description: The process to kill particles 36 // Description: The process to kill particles to save CPU
37 // 37 //
38 // Author: V.Ivanchenko 31 August 2010 38 // Author: V.Ivanchenko 31 August 2010
39 // 39 //
40 //-------------------------------------------- 40 //----------------------------------------------------------------------------
41 // 41 //
42 /// \file G4ElectronCapture.cc 42 /// \file G4ElectronCapture.cc
43 /// \brief Implementation of the G4ElectronCap 43 /// \brief Implementation of the G4ElectronCapture class
44 44
45 #include "G4ElectronCapture.hh" 45 #include "G4ElectronCapture.hh"
46 << 46 #include "G4SystemOfUnits.hh"
47 #include "G4Electron.hh" <<
48 #include "G4ParticleDefinition.hh" 47 #include "G4ParticleDefinition.hh"
49 #include "G4Region.hh" <<
50 #include "G4RegionStore.hh" <<
51 #include "G4Step.hh" 48 #include "G4Step.hh"
52 #include "G4SystemOfUnits.hh" <<
53 #include "G4Track.hh" 49 #include "G4Track.hh"
>> 50 #include "G4Region.hh"
>> 51 #include "G4RegionStore.hh"
>> 52 #include "G4Electron.hh"
54 53
55 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 55
57 G4ElectronCapture::G4ElectronCapture(const G4S 56 G4ElectronCapture::G4ElectronCapture(const G4String& regName, G4double ekinlim)
58 : G4VDiscreteProcess("eCapture", fElectromag << 57 : G4VDiscreteProcess("eCapture", fElectromagnetic),
59 fKinEnergyThreshold(ekinlim), << 58 fKinEnergyThreshold(ekinlim),
60 fRegionName(regName), << 59 fRegionName(regName), fpRegion(0)
61 fpRegion(0) <<
62 { 60 {
63 if (regName == "" || regName == "world") { << 61 if(regName == "" || regName == "world") {
64 fRegionName = "DefaultRegionForTheWorld"; 62 fRegionName = "DefaultRegionForTheWorld";
65 } 63 }
66 pParticleChange = &fParticleChange; 64 pParticleChange = &fParticleChange;
67 } 65 }
68 66
69 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70 68
71 G4ElectronCapture::~G4ElectronCapture() {} << 69 G4ElectronCapture::~G4ElectronCapture()
>> 70 {}
72 71
73 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74 73
75 void G4ElectronCapture::SetKinEnergyLimit(G4do 74 void G4ElectronCapture::SetKinEnergyLimit(G4double val)
76 { 75 {
77 fKinEnergyThreshold = val; 76 fKinEnergyThreshold = val;
78 if (verboseLevel > 0) { << 77 if(verboseLevel > 0) {
79 G4cout << "### G4ElectronCapture: Tracking << 78 G4cout << "### G4ElectronCapture: Tracking cut E(MeV) = "
80 << G4endl; << 79 << fKinEnergyThreshold/MeV << G4endl;
81 } 80 }
82 } 81 }
83 82
84 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85 84
86 void G4ElectronCapture::BuildPhysicsTable(cons 85 void G4ElectronCapture::BuildPhysicsTable(const G4ParticleDefinition&)
87 { 86 {
88 fpRegion = (G4RegionStore::GetInstance())->G 87 fpRegion = (G4RegionStore::GetInstance())->GetRegion(fRegionName);
89 if (fpRegion && verboseLevel > 0) { << 88 if(fpRegion && verboseLevel > 0) {
90 G4cout << "### G4ElectronCapture: Tracking << 89 G4cout << "### G4ElectronCapture: Tracking cut E(MeV) = "
91 << " is assigned to " << fRegionNam << 90 << fKinEnergyThreshold/MeV << " is assigned to " << fRegionName
>> 91 << G4endl;
92 } 92 }
93 } 93 }
94 94
95 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
96 96
97 G4bool G4ElectronCapture::IsApplicable(const G 97 G4bool G4ElectronCapture::IsApplicable(const G4ParticleDefinition&)
98 { 98 {
99 return true; 99 return true;
100 } 100 }
101 101
102 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
103 103
104 G4double G4ElectronCapture::PostStepGetPhysica << 104 G4double
105 << 105 G4ElectronCapture::PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
>> 106 G4double,
>> 107 G4ForceCondition* condition)
106 { 108 {
107 // condition is set to "Not Forced" 109 // condition is set to "Not Forced"
108 *condition = NotForced; 110 *condition = NotForced;
109 111
110 G4double limit = DBL_MAX; << 112 G4double limit = DBL_MAX;
111 if (fpRegion) { << 113 if(fpRegion) {
112 if (aTrack.GetVolume()->GetLogicalVolume() << 114 if(aTrack.GetVolume()->GetLogicalVolume()->GetRegion() == fpRegion &&
113 && aTrack.GetKineticEnergy() < fKinEne << 115 aTrack.GetKineticEnergy() < fKinEnergyThreshold) { limit = 0.0; }
114 { <<
115 limit = 0.0; <<
116 } <<
117 } 116 }
118 return limit; 117 return limit;
119 } 118 }
120 119
121 //....oooOO0OOooo........oooOO0OOooo........oo 120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
122 121
123 G4VParticleChange* G4ElectronCapture::PostStep << 122 G4VParticleChange* G4ElectronCapture::PostStepDoIt(const G4Track& aTrack,
>> 123 const G4Step&)
124 { 124 {
125 pParticleChange->Initialize(aTrack); 125 pParticleChange->Initialize(aTrack);
126 pParticleChange->ProposeTrackStatus(fStopAnd 126 pParticleChange->ProposeTrackStatus(fStopAndKill);
127 pParticleChange->ProposeLocalEnergyDeposit(a 127 pParticleChange->ProposeLocalEnergyDeposit(aTrack.GetKineticEnergy());
128 fParticleChange.SetProposedKineticEnergy(0.0 128 fParticleChange.SetProposedKineticEnergy(0.0);
129 return pParticleChange; 129 return pParticleChange;
130 } 130 }
131 131
132 //....oooOO0OOooo........oooOO0OOooo........oo 132 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
133 133
134 G4double G4ElectronCapture::GetMeanFreePath(co << 134 G4double G4ElectronCapture::GetMeanFreePath(const G4Track&,G4double,
>> 135 G4ForceCondition*)
135 { 136 {
136 return DBL_MAX; 137 return DBL_MAX;
137 } 138 }
>> 139
138 140