Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/coherent_elastic/include/G4ChargeExchange.hh

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 25 //
 26 //
 27 // G4 Model: Charge and strangness exchange based on G4LightMedia model
 28 //           28 May 2006 V.Ivanchenko
 29 //
 30 // Modified:
 31 // 25-Jul-06 V.Ivanchenko add 19 MeV low energy, below which S-wave is sampled
 32 //
 33 
 34 #ifndef G4ChargeExchange_h
 35 #define G4ChargeExchange_h 1
 36 
 37 // Class Description
 38 // Final state production model for hadron nuclear coherent charge exchange;
 39 // Class Description - End
 40 
 41 #include "globals.hh"
 42 #include "G4HadronicInteraction.hh"
 43 #include "G4HadProjectile.hh"
 44 #include "G4Nucleus.hh"
 45 
 46 class G4ParticleDefinition;
 47 class G4ChargeExchangeXS;
 48 class G4ExcitationHandler;
 49 class G4NistManager;
 50 
 51 class G4ChargeExchange : public G4HadronicInteraction
 52 {
 53 public:
 54 
 55   explicit G4ChargeExchange(G4ChargeExchangeXS*);
 56   ~G4ChargeExchange() override;
 57 
 58   G4ChargeExchange( const G4ChargeExchange &right ) = delete;
 59   const G4ChargeExchange & operator=( const G4ChargeExchange &right ) = delete;
 60   G4bool operator==( const G4ChargeExchange &right ) const = delete;
 61   G4bool operator!=( const G4ChargeExchange &right ) const = delete;
 62 
 63   G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
 64                                  G4Nucleus& targetNucleus) override;
 65 
 66   G4double SampleT(const G4ParticleDefinition* theSec, const G4int A,
 67        const G4double tmax) const;
 68 
 69 private:
 70 
 71   G4bool SampleMass(G4double& mass, const G4double width, const G4double elim);
 72   
 73   G4ChargeExchangeXS* fXSection;
 74   G4ExcitationHandler* fHandler;
 75   G4NistManager* nist;
 76 
 77   G4int secID;  // Creator model ID for the secondaries created by this model
 78   G4double lowEnergyLimit; // lowest limit to avoid numerical problems
 79   G4double fXSWeightFactor;
 80 };
 81 
 82 #endif
 83