Geant4 11.3.0
Toolkit for the simulation of the passage of particles through matter
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G4MinEkineCuts.cc
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29// --------------------------------------------------------------
30// GEANT 4 class implementation file
31// --------------------------------------------------------------
32// 15 April 1998 M.Maire
33// --------------------------------------------------------------
34
35#include "G4MinEkineCuts.hh"
36
37#include "G4Step.hh"
38#include "G4UserLimits.hh"
39#include "G4VParticleChange.hh"
40#include "G4EnergyLossTables.hh"
41
43 : G4SpecialCuts(aName)
44{
45 if (verboseLevel>1) {
46 G4cout << GetProcessName() << " is created "<< G4endl;
47 }
48}
49
52
54{}
55
56
58 const G4Track& aTrack,
59 G4double ,
61 )
62{
63 // condition is set to "Not Forced"
65
66 G4double proposedStep = DBL_MAX;
67 // get the pointer to UserLimits
68 G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
69 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
70 G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
71
72 if (pUserLimits && aParticleDef->GetPDGCharge() != 0.0) {
73 //min kinetic energy
74 G4double temp = DBL_MAX;
75 G4double eKine = aParticle->GetKineticEnergy();
76 const G4MaterialCutsCouple* couple = aTrack.GetMaterialCutsCouple();
77 G4double eMin = pUserLimits->GetUserMinEkine(aTrack);
78
79 G4double rangeNow = DBL_MAX;
80
81 rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,couple);
82
83 if (eKine < eMin ) {
84 proposedStep = 0.;
85 } else {
86 // charged particles only
87 G4double rangeMin = G4EnergyLossTables::GetRange(aParticleDef,eMin,couple);
88 temp = rangeNow - rangeMin;
89 if (proposedStep > temp) proposedStep = temp;
90 }
91 }
92 return proposedStep;
93}
G4double condition(const G4ErrorSymMatrix &m)
G4ForceCondition
@ NotForced
double G4double
Definition G4Types.hh:83
#define G4endl
Definition G4ios.hh:67
G4GLOB_DLL std::ostream G4cout
G4double GetKineticEnergy() const
static G4double GetRange(const G4ParticleDefinition *aParticle, G4double KineticEnergy, const G4Material *aMaterial)
G4UserLimits * GetUserLimits() const
virtual G4double PostStepGetPhysicalInteractionLength(const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
G4MinEkineCuts(const G4String &processName="G4MinEkineCuts")
virtual ~G4MinEkineCuts()
G4SpecialCuts(const G4String &processName="SpecialCut")
G4VPhysicalVolume * GetVolume() const
G4ParticleDefinition * GetDefinition() const
const G4DynamicParticle * GetDynamicParticle() const
const G4MaterialCutsCouple * GetMaterialCutsCouple() const
virtual G4double GetUserMinEkine(const G4Track &)
G4LogicalVolume * GetLogicalVolume() const
G4int verboseLevel
const G4String & GetProcessName() const
#define DBL_MAX
Definition templates.hh:62