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added alternative nuclear interation using G4 FTF model
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FastSimulation/MaterialEffects/interface/CMSDummyDeexitation.h
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| #ifndef FastSimulation_MaterialEffects_CMSDummyDeexcitation_H | ||
| #define FastSimulation_MaterialEffects_CMSDummyDeexcitation_H | ||
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| /** | ||
| * This class is needed as a dummy interface to Geant4 | ||
| * nuclear de-excitation module; no secondary produced | ||
| * | ||
| * \author Vladimir Ivanchenko | ||
| * $Date: 20-Jan-2015 | ||
| */ | ||
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| #include "G4VPreCompoundModel.hh" | ||
| #include "G4ReactionProductVector.hh" | ||
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| class G4Fragment; | ||
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| class CMSDummyDeexcitation : public G4VPreCompoundModel | ||
| { | ||
| public: | ||
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| CMSDummyDeexcitation() {}; | ||
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| virtual ~CMSDummyDeexcitation() {}; | ||
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| // virtual G4HadFinalState * ApplyYourself(const G4HadProjectile & thePrimary, | ||
| // G4Nucleus & theNucleus); | ||
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| G4ReactionProductVector* DeExcite(G4Fragment&) { return new G4ReactionProductVector(); }; | ||
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| }; | ||
| #endif |
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83 changes: 83 additions & 0 deletions
83
FastSimulation/MaterialEffects/interface/NuclearInteractionFTFSimulator.h
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| #ifndef FastSimulation_MaterialEffects_NuclearInteractionFTFSimulator_H | ||
| #define FastSimulation_MaterialEffects_NuclearInteractionFTFSimulator_H | ||
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| /** | ||
| * This class computes the probability for hadrons to interact with a | ||
| * nucleon of the tracker material (inelastically) and then sample | ||
| * nuclear interaction using FTF model of Geant4 | ||
| * The fraction of interaction lengths traversed by the particle in this | ||
| * tracker layer is determined in MaterialEffectsSimulator as a fraction | ||
| * the radiation lengths. | ||
| * | ||
| * \author Vladimir Ivanchenko | ||
| * $Date: 20-Jan-2015 | ||
| */ | ||
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| #include "FastSimulation/MaterialEffects/interface/MaterialEffectsSimulator.h" | ||
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| #include "G4Nucleus.hh" | ||
| #include "G4HadProjectile.hh" | ||
| #include "G4LorentzVector.hh" | ||
| #include "G4ThreeVector.hh" | ||
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| #include <vector> | ||
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| class ParticlePropagator; | ||
| class RandomEngineAndDistribution; | ||
| class G4ParticleDefinition; | ||
| class G4Track; | ||
| class G4Step; | ||
| class G4TheoFSGenerator; | ||
| class G4FTFModel; | ||
| class G4ExcitedStringDecay; | ||
| class G4LundStringFragmentation; | ||
| class G4GeneratorPrecompoundInterface; | ||
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| class NuclearInteractionFTFSimulator : public MaterialEffectsSimulator | ||
| { | ||
| public: | ||
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| /// Constructor | ||
| NuclearInteractionFTFSimulator(unsigned int distAlgo, double distCut); | ||
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| /// Default Destructor | ||
| ~NuclearInteractionFTFSimulator(); | ||
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| private: | ||
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| /// Generate a nuclear interaction according to the probability that it happens | ||
| void compute(ParticlePropagator& Particle, RandomEngineAndDistribution const*); | ||
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| void saveDaughter(ParticlePropagator& Particle, const G4LorentzVector& lv, int pdgid); | ||
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| double distanceToPrimary(const RawParticle& Particle, | ||
| const RawParticle& aDaughter) const; | ||
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| std::vector<const G4ParticleDefinition*> theG4Hadron; | ||
| std::vector<double> theNuclIntLength; | ||
| std::vector<int> theId; | ||
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| G4TheoFSGenerator* theHadronicModel; | ||
| G4FTFModel* theStringModel; | ||
| G4ExcitedStringDecay* theStringDecay; | ||
| G4LundStringFragmentation* theLund; | ||
| G4GeneratorPrecompoundInterface* theCascade; | ||
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| G4Step* dummyStep; | ||
| G4Track* currTrack; | ||
| const G4ParticleDefinition* currParticle; | ||
| G4Nucleus targetNucleus; | ||
| G4HadProjectile theProjectile; | ||
| G4LorentzVector curr4Mom; | ||
| G4ThreeVector vectProj; | ||
| G4ThreeVector theBoost; | ||
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| double theEnergyLimit; | ||
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| int numHadrons; | ||
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| unsigned int theDistAlgo; | ||
| double theDistCut; | ||
| double distMin; | ||
| }; | ||
| #endif |
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