Geant4_10
G4ElectronCapture.cc
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25 //
26 //---------------------------------------------------------------------------
27 //
28 // ClassName: G4ElectronCapture
29 //
30 // Description: The process to kill particles to save CPU
31 //
32 // Author: V.Ivanchenko 31 August 2010
33 //
34 //----------------------------------------------------------------------------
35 //
36 // This example is provided by the Geant4-DNA collaboration
37 // Any report or published results obtained using the Geant4-DNA software
38 // and the DNA geometry given in the Geom_DNA example
39 // shall cite the following Geant4-DNA collaboration publications:
40 // [1] NIM B 298 (2013) 47-54
41 // [2] Med. Phys. 37 (2010) 4692-4708
42 // The Geant4-DNA web site is available at http://geant4-dna.org
43 //
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 
46 #include "G4ElectronCapture.hh"
47 #include "G4SystemOfUnits.hh"
48 #include "G4ParticleDefinition.hh"
49 #include "G4Step.hh"
50 #include "G4Track.hh"
51 #include "G4Region.hh"
52 #include "G4RegionStore.hh"
53 #include "G4Electron.hh"
54 
55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 
58  : G4VDiscreteProcess("eCapture", fElectromagnetic), kinEnergyThreshold(ekinlim),
59  regionName(regName), region(0)
60 {
61  if(regName == "" || regName == "world") {
62  regionName = "DefaultRegionForTheWorld";
63  }
64  pParticleChange = &fParticleChange;
65 }
66 
67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 
70 {}
71 
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73 
75 {
76  kinEnergyThreshold = val;
77  if(verboseLevel > 0) {
78  G4cout << "### G4ElectronCapture: Tracking cut E(MeV) = "
79  << kinEnergyThreshold/MeV << G4endl;
80  }
81 }
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 
85 {
86  region = (G4RegionStore::GetInstance())->GetRegion(regionName);
87  if(region && verboseLevel > 0) {
88  G4cout << "### G4ElectronCapture: Tracking cut E(MeV) = "
89  << kinEnergyThreshold/MeV << " is assigned to " << regionName
90  << G4endl;
91  }
92 }
93 
94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
95 
97 {
98  return true;
99 }
100 
101 G4double
103  G4double,
105 {
106  // condition is set to "Not Forced"
107  *condition = NotForced;
108 
109  G4double limit = DBL_MAX;
110  if(region) {
111  if(aTrack.GetVolume()->GetLogicalVolume()->GetRegion() == region &&
112  aTrack.GetKineticEnergy() < kinEnergyThreshold) { limit = 0.0; }
113  }
114  return limit;
115 }
116 
117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
118 
120  const G4Step&)
121 {
122  pParticleChange->Initialize(aTrack);
125  fParticleChange.SetProposedKineticEnergy(0.0);
126  return pParticleChange;
127 }
128 
129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130 
133 {
134  return DBL_MAX;
135 }
136 
137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138 
139 
G4double condition(const G4ErrorSymMatrix &m)
virtual void Initialize(const G4Track &)
virtual void BuildPhysicsTable(const G4ParticleDefinition &)
G4int verboseLevel
Definition: G4VProcess.hh:368
virtual ~G4ElectronCapture()
G4Region * GetRegion() const
void ProposeLocalEnergyDeposit(G4double anEnergyPart)
static G4RegionStore * GetInstance()
G4double GetKineticEnergy() const
G4GLOB_DLL std::ostream G4cout
virtual G4double GetMeanFreePath(const G4Track &, G4double, G4ForceCondition *)
bool G4bool
Definition: G4Types.hh:79
G4ElectronCapture(const G4String &regName, G4double ekinlimit)
Definition: G4Step.hh:76
virtual G4double PostStepGetPhysicalInteractionLength(const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
G4LogicalVolume * GetLogicalVolume() const
G4VParticleChange * pParticleChange
Definition: G4VProcess.hh:283
G4VPhysicalVolume * GetVolume() const
void SetProposedKineticEnergy(G4double proposedKinEnergy)
#define G4endl
Definition: G4ios.hh:61
virtual G4VParticleChange * PostStepDoIt(const G4Track &, const G4Step &)
double G4double
Definition: G4Types.hh:76
void ProposeTrackStatus(G4TrackStatus status)
G4ForceCondition
#define DBL_MAX
Definition: templates.hh:83
virtual G4bool IsApplicable(const G4ParticleDefinition &)
void SetKinEnergyLimit(G4double)