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geant4/source/processes/electromagnetic/dna/models/include/G4DNARuddIonisationDynamicModel.hh
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2025-12-05 08:54:02 +01:00

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//
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// Created 11.02.2025 V.Ivanchenko & M. Vologzhin
// on base of previous Rudd models
//
// Rudd model of ion ionisation using dynamic mass and charge of an ion
//
#ifndef G4DNARuddIonisationDynamicModel_h
#define G4DNARuddIonisationDynamicModel_h 1
#include "G4VEmModel.hh"
#include "G4VSIntegration.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4DNAWaterIonisationStructure.hh"
#include <vector>
class G4DNAChemistryManager;
class G4VAtomDeexcitation;
class G4ExtendedPhysicsVector;
class G4Pow;
class G4EmCorrections;
class G4DNARuddIonisationDynamicModel : public G4VEmModel, public G4VSIntegration
{
public:
explicit G4DNARuddIonisationDynamicModel(const G4ParticleDefinition* p = nullptr,
const G4String& nam = "DNARuddIonisationDynamicModel");
~G4DNARuddIonisationDynamicModel() override;
void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
G4double ProbabilityDensityFunction(G4double ekin) override;
G4double CrossSectionPerVolume(const G4Material* material,
const G4ParticleDefinition* p,
G4double ekin,
G4double emin,
G4double emax) override;
void SampleSecondaries(std::vector<G4DynamicParticle*>*,
const G4MaterialCutsCouple*,
const G4DynamicParticle*,
G4double tmin,
G4double maxEnergy) override;
void StartTracking(G4Track*) override;
G4DNARuddIonisationDynamicModel & operator=
(const G4DNARuddIonisationDynamicModel &right) = delete;
G4DNARuddIonisationDynamicModel(const G4DNARuddIonisationDynamicModel&) = delete;
private:
void LoadData();
void SetParticle(const G4ParticleDefinition*);
G4int SelectShell();
G4double MaxEnergy();
G4double SampleElectronEnergy();
G4double CorrectionFactor();
G4double S_1s(G4double t,
G4double energyTransferred,
G4double slaterEffectiveChg,
G4double shellNumber);
G4double S_2s(G4double t,
G4double energyTransferred,
G4double slaterEffectiveChg,
G4double shellNumber);
G4double S_2p(G4double t,
G4double energyTransferred,
G4double slaterEffectiveChg,
G4double shellNumber);
G4double Rh(G4double t,
G4double energyTransferred,
G4double slaterEffectiveChg,
G4double shellNumber);
protected:
G4ParticleChangeForGamma* fParticleChangeForGamma{nullptr};
private:
// Water density table
static const std::vector<G4double>* fpWaterDensity;
// cross section data
static G4ExtendedPhysicsVector* xsdata_alpha;
static G4ExtendedPhysicsVector* xsdata_alphap;
static G4ExtendedPhysicsVector* xsdata_hydrogen;
static G4ExtendedPhysicsVector* xsdata_helium;
static G4ExtendedPhysicsVector* xsdata_p;
// run time data
G4ExtendedPhysicsVector* xsdata{nullptr};
const G4ParticleDefinition* fParticle{nullptr};
const G4Track* fTrack{nullptr};
G4DNAChemistryManager* fChemistry{nullptr};
G4EmCorrections* fEmCorrections;
G4Pow* fGpow;
//deexcitation manager to produce fluo photons and e-
G4VAtomDeexcitation* fAtomDeexcitation{nullptr};
// low-energy limit of proton x-section table
G4double fLowestEnergy{0.0};
// tracking cut
G4double fAbsorptionEnergy{0.0};
G4double fMass{0.0};
G4double fMassRate{1.0};
G4double fScaledEnergy{0.0};
G4double slaterEffectiveCharge[3] = {0.0};
G4double sCoefficient[3] = {0.0};
G4double F1{0.0};
G4double F2{0.0};
G4double alphaConst{0.0};
G4double bEnergy{0.0};
G4double u{0.0};
G4double v{0.0};
G4double wc{0.0};
G4int fSelectedShell{0};
G4int verbose{0};
std::size_t idx{0};
G4bool isFirst{false};
G4bool isInitialised{false};
G4bool isIon{false};
G4bool isHelium{false};
G4bool statCode{false};
G4bool useDNAWaterStructure{true};
// energy levels of water molecule
G4DNAWaterIonisationStructure waterStructure;
};
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#endif