include/Geant4/G4ErrorEnergyLoss.hh

0001 //
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0025 //
0026 // Class description:
0027 //
0028 // Description: Continuous Process to calculate energy loss without
0029 //              fluctuations through G4EnergyLossForExtrapolator
0030
0031 // History:
0032 //   Created:     2007-05-12
0033 //   Author:      Pedro Arce
0034 //
0035 //   Modified:
0036 //
0037
0038 #ifndef G4ErrorEnergyLoss_hh
0039 #define G4ErrorEnergyLoss_hh
0040
0041 #include "globals.hh"
0042 #include "G4VContinuousProcess.hh"
0043 #include "G4ProcessType.hh"
0044
0045 class G4EnergyLossForExtrapolator;
0046
0047 class G4ErrorEnergyLoss : public G4VContinuousProcess
0048 {
0049
0050 public:
0051
0052   explicit G4ErrorEnergyLoss(const G4String& processName = "G4ErrorEnergyLoss",
0053                              G4ProcessType type = fElectromagnetic);
0054
0055   ~G4ErrorEnergyLoss() override;
0056
0057   G4bool IsApplicable(const G4ParticleDefinition& aParticleType) override;
0058   // Returns true -> 'is applicable', for all charged particles.
0059
0060   G4double GetContinuousStepLimit(const G4Track& aTrack,
0061                   G4double, G4double currentMinimumStep,
0062                   G4double& ) override;
0063
0064   G4VParticleChange* AlongStepDoIt(const G4Track& aTrack,
0065                    const G4Step&  aStep) override;
0066   // This is the method implementing the energy loss process.
0067
0068   // Get and Set methods
0069   inline G4double GetStepLimit() const { return theStepLimit; }
0070   inline void SetStepLimit( G4double val ) { theStepLimit = val; }
0071
0072   // copy constructor and hide assignment operator
0073   G4ErrorEnergyLoss(G4ErrorEnergyLoss &) = delete;
0074   G4ErrorEnergyLoss & operator=(const G4ErrorEnergyLoss &right) = delete;
0075
0076 private:
0077
0078   void InstantiateEforExtrapolator();
0079
0080   G4EnergyLossForExtrapolator* theELossForExtrapolator;
0081
0082   G4double theStepLimit;
0083   G4double theFractionLimit = 0.2;
0084 };
0085
0086 #endif