include/Geant4/G4QAOLowEnergyLoss.hh

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0025 //
0026 //
0027 // ------------------------------------------------------------
0028 //      GEANT 4 class header file
0029 //
0030 //      History: New Implementation
0031 //
0032 //      ---------- G4QAOLowEnergyLoss physics process -------
0033 //                  by Stephane Chauvie, 21 May 2000
0034 //
0035 // Modified:
0036 // 16/09/2000 S. Chauvie  Oscillator for all materials
0037 // 23/05/2000 MGP  Made compliant to design
0038 // 01/06/2001 V.Ivanchenko replace names by Z
0039 //
0040 // Class description:
0041 // Quantal Harmonic Oscillator Model for energy loss of low energy antiprotons
0042 // Further documentation available from http://www.ge.infn.it/geant4/lowE
0043
0044 // ------------------------------------------------------------
0045
0046
0047 #ifndef G4QAOLowEnergyLoss_hh
0048 #define G4QAOLowEnergyLoss_hh 1
0049
0050 #include "G4VLowEnergyModel.hh"
0051 #include "globals.hh"
0052
0053 class G4QAOLowEnergyLoss : public G4VLowEnergyModel
0054 {
0055 public:
0056   explicit G4QAOLowEnergyLoss(const G4String& name);
0057   ~G4QAOLowEnergyLoss();
0058
0059   G4double HighEnergyLimit(const G4ParticleDefinition* aParticle,
0060                            const G4Material* material) const override;
0061   // returns the higher limit for model validity
0062
0063   G4double LowEnergyLimit(const G4ParticleDefinition* aParticle,
0064                           const G4Material* material) const override;
0065   // returns the lower limit for model validity
0066
0067   G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const override;
0068   // returns the higher limit for model validity
0069
0070   G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const override;
0071   // returns the lower limit for model validity
0072
0073   G4bool IsInCharge(const G4DynamicParticle* particle,
0074             const G4Material* material) const override;
0075   // returns true if the model is applicable at that energy for
0076   // that particle for that material
0077
0078   G4bool IsInCharge(const G4ParticleDefinition* aParticle,
0079             const G4Material* material) const override;
0080   // returns true if the model is applicable at that energy for
0081   // that particle for that material
0082
0083   G4double TheValue(const G4DynamicParticle* particle,
0084                    const G4Material* material) override;
0085   // returns the energy loss via the quantal harmonic oscillator model
0086
0087   G4double TheValue(const G4ParticleDefinition* aParticle,
0088                       const G4Material* material,
0089                                 G4double kineticEnergy) override;
0090   // returns the energy loss via the quantal harmonic oscillator model
0091
0092 private:
0093   G4double EnergyLoss(const G4Material* material,
0094                             G4double kineticEnergy,
0095                             G4double zParticle) const;
0096   // returns the energy loss via the quantal harmonic oscillator model
0097
0098   // get number of shell, energy and oscillator strengths for material
0099   G4int GetNumberOfShell(const G4Material* material) const;
0100
0101   G4double GetShellEnergy(const G4Material* material,G4int nbOfTheShell) const;
0102   G4double GetOscillatorEnergy(const G4Material* material,G4int nbOfTheShell) const;
0103   G4double GetShellStrength(const G4Material* material,G4int nbOfTheShell) const;
0104   G4double GetOccupationNumber(G4int Z, G4int ShellNb) const;
0105
0106   // calculate stopping number for L's term
0107   G4double GetL0(G4double normEnergy) const;
0108   // terms in Z^2
0109   G4double GetL1(G4double normEnergy) const;
0110   // terms in Z^3
0111   G4double GetL2(G4double normEnergy) const;
0112   // terms in Z^4
0113
0114   // number, energy and oscillator strengths
0115   // for an harmonic oscillator model of material
0116   static const G4int nbofShellForMaterial[6];
0117   static const G4double alShellEnergy[3];
0118   static const G4double alShellStrength[3];
0119   static const G4double siShellEnergy[3];
0120   static const G4double siShellStrength[3];
0121   static const G4double cuShellEnergy[4];
0122   static const G4double cuShellStrength[4];
0123   static const G4double taShellEnergy[6];
0124   static const G4double taShellStrength[6];
0125   static const G4double auShellEnergy[6];
0126   static const G4double auShellStrength[6];
0127   static const G4double ptShellEnergy[6];
0128   static const G4double ptShellStrength[6];
0129   //  variable for calculation of stopping number of L's term
0130   static const G4double L0[67][2];
0131   static const G4double L1[22][2];
0132   static const G4double L2[14][2];
0133   static const G4int nbOfElectronPerSubShell[1540];
0134   static const G4int fNumberOfShells[101];
0135
0136   // Z of element at now avaliable for the model
0137   static const G4int materialAvailable[6];
0138
0139   G4int numberOfMaterials;
0140   G4int sizeL0;
0141   G4int sizeL1;
0142   G4int sizeL2;
0143
0144 };
0145
0146 #endif