include/Geant4/G4NuTauNucleusCcModel.hh

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0027 // $Id: G4NuTauNucleusCcModel.hh 90228 2015-05-21 08:49:57Z gcosmo $
0028 //
0029 // Geant4 Header : G4NuTauNucleusCcModel
0030 //
0031 // Author : V.Grichine 30.10.22
0032 //
0033 // Modified:
0034 //
0035 // Class Description
0036 // Default model for tau neutrino-nucleus charge current scattering;
0037 // Class Description - End
0038
0039 #ifndef G4NuTauNucleusCcModel_h
0040 #define G4NuTauNucleusCcModel_h 1
0041
0042 #include "globals.hh"
0043 #include "G4NeutrinoNucleusModel.hh"
0044 #include "G4HadProjectile.hh"
0045 #include "G4Nucleus.hh"
0046 #include "G4NucleiProperties.hh"
0047 #include "G4LorentzVector.hh"
0048 #include "G4Threading.hh"
0049
0050 class G4ParticleDefinition;
0051 class G4PreCompoundModel;
0052 class G4Nucleus;
0053 class G4Fragment;
0054
0055 class G4NuTauNucleusCcModel : public G4NeutrinoNucleusModel      // G4HadronicInteraction
0056 {
0057 public:
0058
0059   G4NuTauNucleusCcModel(const G4String& name = "NuTauNuclCcModel");
0060
0061   virtual ~G4NuTauNucleusCcModel();
0062
0063   virtual void InitialiseModel();
0064
0065   virtual G4bool IsApplicable(const G4HadProjectile & aTrack,
0066                   G4Nucleus & targetNucleus);
0067
0068   virtual G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
0069                       G4Nucleus & targetNucleus);
0070
0071
0072   ////////// KR excitation kinematics ////////////////////
0073
0074   void SampleLVkr(const G4HadProjectile & aTrack, G4Nucleus & targetNucleus);
0075
0076   G4double GetMinNuMuEnergy(){ return fMtau + 0.5*fMtau*fMtau/fM1 + 4.*CLHEP::MeV; }; // kinematics + accuracy for sqrts
0077
0078   G4double ThresholdEnergy(G4double mI, G4double mF, G4double mP) // for cluster decay
0079   {
0080     G4double w = std::sqrt(fW2);
0081     return w + 0.5*( (mP+mF)*(mP+mF)-(w+mI)*(w+mI) )/mI;
0082   };
0083
0084   virtual void ModelDescription(std::ostream&) const;
0085
0086 private:
0087
0088   G4bool fData, fMaster; // for one initialisation only
0089   G4double fMtau;
0090   G4ParticleDefinition* theTauMinus;
0091   G4ParticleDefinition* theTauPlus;
0092
0093
0094 #ifdef G4MULTITHREADED
0095   static G4Mutex numuNucleusModel;
0096 #endif
0097
0098 };
0099
0100
0101
0102 #endif