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25 //
26 /////////////////////////////////////////////////////////////////////////////////
27 // Class: G4IonIonisationModel
28 // Author: L. Desorgher
29 // Organisation: SpaceIT GmbH
30 //
31 // Adjoint EM model for discrete reverse ion ionisation
32 /////////////////////////////////////////////////////////////////////////////////
33
34 #ifndef G4AdjointIonIonisationModel_h
35 #define G4AdjointIonIonisationModel_h 1
36
37 #include "globals.hh"
38 #include "G4VEmAdjointModel.hh"
39
40 class G4Track;
41 class G4ParticleChange;
42 class G4ParticleDefinition;
43 class G4VEmModel;
44 class G4VParticleChange;
45
46 class G4AdjointIonIonisationModel : public G4VEmAdjointModel
47 {
48 public:
49 G4AdjointIonIonisationModel();
50
51 ~G4AdjointIonIonisationModel() override;
52
53 void SampleSecondaries(const G4Track& aTrack, G4bool isScatProjToProj,
54 G4ParticleChange* fParticleChange) override;
55
56 G4double DiffCrossSectionPerAtomPrimToSecond(
57 G4double kinEnergyProj, // kin energy of primary before interaction
58 G4double kinEnergyProd, // kinetic energy of the secondary particle
59 G4double Z, G4double A = 0.) override;
60
61 void CorrectPostStepWeight(G4ParticleChange* fParticleChange,
62 G4double old_weight, G4double adjointPrimKinEnergy,
63 G4double projectileKinEnergy,
64 G4bool isScatProjToProj) override;
65
66 G4double GetSecondAdjEnergyMaxForScatProjToProj(
67 G4double primAdjEnergy) override;
68
69 G4double GetSecondAdjEnergyMinForScatProjToProj(G4double primAdjEnergy,
70 G4double tcut = 0.) override;
71
72 G4double GetSecondAdjEnergyMaxForProdToProj(G4double primAdjEnergy) override;
73
74 G4double GetSecondAdjEnergyMinForProdToProj(G4double primAdjEnergy) override;
75
76 inline void SetUseOnlyBragg(G4bool aBool) { fUseOnlyBragg = aBool; }
77
78 void SetIon(G4ParticleDefinition* adj_ion, G4ParticleDefinition* fwd_ion);
79
80 G4AdjointIonIonisationModel(G4AdjointIonIonisationModel&) = delete;
81 G4AdjointIonIonisationModel& operator=(
82 const G4AdjointIonIonisationModel& right) = delete;
83
84 private:
85 void DefineProjectileProperty();
86
87 G4VEmModel* fBraggIonDirectEMModel;
88 G4VEmModel* fBetheBlochDirectEMModel;
89
90 // projectile properties
91 G4double fMass = 0.;
92 G4double fSpin = 0.;
93 G4double fMagMoment2 = 0.;
94 G4double fChargeSquare = 0.;
95 G4double fMassRatio = 0.;
96 G4double fRatio = 0.;
97 G4double fOnePlusRatio2 = 0.;
98 G4double fOneMinusRatio2 = 0.;
99 G4double fFormFact = 0.;
100
101 G4bool fUseOnlyBragg = false;
102 };
103
104 #endif
105