Gabriele Cosmo
226 lines
7.3 KiB
C++
226 lines
7.3 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4NeutrinoNucleusModel.hh 90228 2015-05-21 08:49:57Z gcosmo $
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//
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// Geant4 Header : G4NeutrinoNucleusModel
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//
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// Author : V.Grichine 12.2.19
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//
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// Modified:
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//
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// Class Description
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// Default model for muon neutrino-nucleus charge current scattering;
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// Class Description - End
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#ifndef G4NeutrinoNucleusModel_h
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#define G4NeutrinoNucleusModel_h 1
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#include "globals.hh"
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#include "G4HadronicInteraction.hh"
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#include "G4HadProjectile.hh"
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#include "G4Nucleus.hh"
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#include "G4NucleiProperties.hh"
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#include "G4LorentzVector.hh"
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class G4ParticleDefinition;
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class G4PreCompoundModel;
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// class G4CascadeInterface;
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// class G4BinaryCascade;
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// class G4TheoFSGenerator;
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// class G4LundStringFragmentation;
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// class G4ExcitedStringDecay;
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// class G4INCLXXInterface;
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class G4Nucleus;
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class G4Fragment;
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class G4GeneratorPrecompoundInterface;
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class G4ExcitationHandler;
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class G4NeutrinoNucleusModel : public G4HadronicInteraction
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{
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public:
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G4NeutrinoNucleusModel(const G4String& name = "neutrino-nucleus");
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virtual ~G4NeutrinoNucleusModel();
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virtual G4bool IsApplicable(const G4HadProjectile & aTrack,
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G4Nucleus & targetNucleus);
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G4double SampleXkr(G4double energy);
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G4double GetXkr(G4int iEnergy, G4double prob);
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G4double SampleQkr(G4double energy, G4double xx);
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G4double GetQkr(G4int iE, G4int jX, G4double prob);
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virtual G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
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G4Nucleus & targetNucleus)=0;
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//////// fragmentation functions /////////////////////////
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void ClusterDecay( G4LorentzVector & lvX, G4int qX);
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void MesonDecay( G4LorentzVector & lvX, G4int qX);
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void FinalBarion( G4LorentzVector & lvB, G4int qB, G4int pdgB);
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void RecoilDeexcitation( G4Fragment& fragment);
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void FinalMeson( G4LorentzVector & lvM, G4int qM, G4int pdgM);
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void CoherentPion( G4LorentzVector & lvP, G4int pdgP, G4Nucleus & targetNucleus);
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// set/get class fields
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void SetCutEnergy(G4double ec){fCutEnergy=ec;};
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G4double GetCutEnergy(){return fCutEnergy;};
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G4double GetNuEnergy(){return fNuEnergy;};
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G4double GetQtransfer(){return fQtransfer;};
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G4double GetQ2(){return fQ2;};
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G4double GetXsample(){return fXsample;};
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G4int GetPDGencoding(){return fPDGencoding;};
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G4bool GetCascade(){return fCascade;};
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G4bool GetString(){return fString;};
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G4double GetCosTheta(){return fCosTheta;};
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G4double GetEmu(){return fEmu;};
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G4double GetEx(){return fEx;};
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G4double GetMuMass(){return fMu;};
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G4double GetW2(){return fW2;};
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G4double GetM1(){return fM1;};
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G4double GetMr(){return fMr;};
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G4double GetTr(){return fTr;};
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G4double GetDp(){return fDp;};
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G4bool GetfBreak() {return fBreak;};
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G4bool GetfCascade(){return fCascade;};
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G4bool GetfString() {return fString;};
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G4LorentzVector GetLVl(){return fLVl;};
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G4LorentzVector GetLVh(){return fLVh;};
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G4LorentzVector GetLVt(){return fLVt;};
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G4LorentzVector GetLVcpi(){return fLVcpi;};
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G4double GetMinNuMuEnergy(){ return fMu + 0.5*fMu*fMu/fM1 + 4.*CLHEP::MeV; }; // kinematics + accuracy for sqrts
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G4double ThresholdEnergy(G4double mI, G4double mF, G4double mP) // for cluster decay
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{
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G4double w = std::sqrt(fW2);
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return w + 0.5*( (mP+mF)*(mP+mF)-(w+mI)*(w+mI) )/mI;
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};
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G4double GetQEratioA(){ return fQEratioA; };
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void SetQEratioA( G4double qea ){ fQEratioA = qea; };
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G4double FinalMomentum(G4double mI, G4double mF, G4double mP, G4LorentzVector lvX); // for cluster decay
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// nucleon binding
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G4double FermiMomentum( G4Nucleus & targetNucleus);
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G4double NucleonMomentum( G4Nucleus & targetNucleus);
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G4double GetEx( G4int A, G4bool fP );
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G4double GgSampleNM(G4Nucleus & nucl);
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G4int GetEnergyIndex(G4double energy);
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G4double GetNuMuQeTotRat(G4int index, G4double energy);
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G4int GetOnePionIndex(G4double energy);
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G4double GetNuMuOnePionProb(G4int index, G4double energy);
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G4double CalculateQEratioA( G4int Z, G4int A, G4double energy, G4int nepdg);
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virtual void ModelDescription(std::ostream&) const;
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protected:
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G4ParticleDefinition* theMuonMinus;
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G4ParticleDefinition* theMuonPlus;
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G4double fSin2tW; // sin^2theta_Weinberg
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G4double fCutEnergy; // minimal recoil electron energy detected
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G4int fNbin, fIndex, fEindex, fXindex, fQindex, fOnePionIndex, fPDGencoding;
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G4bool fCascade, fString, fProton, f2p2h, fBreak;
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G4double fNuEnergy, fQ2, fQtransfer, fXsample;
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G4double fM1, fM2, fMt, fMu, fW2, fMpi, fW2pi, fMinNuEnergy, fDp, fTr;
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G4double fEmu, fEmuPi, fEx, fMr, fCosTheta, fCosThetaPi, fQEratioA;
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G4LorentzVector fLVh, fLVl, fLVt, fLVcpi;
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G4GeneratorPrecompoundInterface* fPrecoInterface;
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G4PreCompoundModel* fPreCompound;
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G4ExcitationHandler* fDeExcitation;
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G4Nucleus* fRecoil;
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G4int fSecID; // Creator model ID for the secondaries created by this model
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static const G4int fResNumber;
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static const G4double fResMass[6]; // [fResNumber];
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static const G4int fClustNumber;
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static const G4double fMesMass[4];
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static const G4int fMesPDG[4];
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static const G4double fBarMass[4];
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static const G4int fBarPDG[4];
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static const G4double fNuMuResQ[50][50];
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static const G4double fNuMuEnergy[50];
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static const G4double fNuMuQeTotRat[50];
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static const G4double fOnePionEnergy[58];
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static const G4double fOnePionProb[58];
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static const G4double fNuMuEnergyLogVector[50];
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// KR sample distributions, X at E_nu and Q2 at E_nu and X
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static G4double fNuMuXarrayKR[50][51];
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static G4double fNuMuXdistrKR[50][50];
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static G4double fNuMuQarrayKR[50][51][51];
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static G4double fNuMuQdistrKR[50][51][50];
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// QEratio(Z,A,Enu)
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static const G4double fQEnergy[50];
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static const G4double fANeMuQEratio[50];
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static const G4double fNeMuQEratio[50];
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};
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#endif
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