Gabriele Cosmo
236 lines
8.7 KiB
C++
236 lines
8.7 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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// Calculation of the total, elastic and inelastic cross-sections
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// based on parametrisations of (proton, pion, kaon, photon) nucleon
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// cross-sections and the hadron-nucleous cross-section model in
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// the framework of Glauber-Gribov approach
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//
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//
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//
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//
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//
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// 17.07.06 V. Grichine - first implementation
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// 22.01.07 V.Ivanchenko - add interface with Z and A
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// 05.03.07 V.Ivanchenko - add IfZAApplicable
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// 06.03.07 V.Ivanchenko - add GetElasticGlauberGribov and GetElasticGlauberGribov
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// for combined dataset
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//
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//
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#ifndef G4GlauberGribovCrossSection_h
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#define G4GlauberGribovCrossSection_h 1
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#include "globals.hh"
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#include "G4Proton.hh"
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#include "G4Nucleus.hh"
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#include "G4VCrossSectionDataSet.hh"
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class G4ParticleDefinition;
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class G4HadronNucleonXsc;
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class G4GlauberGribovCrossSection : public G4VCrossSectionDataSet
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{
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public:
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G4GlauberGribovCrossSection ();
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virtual ~G4GlauberGribovCrossSection ();
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static const char* Default_Name() {return "Glauber-Gribov";}
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virtual
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G4bool IsIsoApplicable(const G4DynamicParticle* aDP, G4int Z, G4int A,
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const G4Element* elm = 0,
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const G4Material* mat = 0);
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virtual
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G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
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const G4Isotope* iso = 0,
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const G4Element* elm = 0,
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const G4Material* mat = 0);
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G4double GetRatioSD(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetRatioQE(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetHadronNucleonXsc(const G4DynamicParticle*, const G4Element*);
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G4double GetHadronNucleonXsc(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, const G4Element*);
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G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetHadronNucleonXscNS(const G4DynamicParticle*, const G4Element*);
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G4double GetHadronNucleonXscNS(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetKaonNucleonXscVector(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetHNinelasticXsc(const G4DynamicParticle*, const G4Element*);
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G4double GetHNinelasticXsc(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double GetHNinelasticXscVU(const G4DynamicParticle*, G4int At, G4int Zt);
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G4double CalculateEcmValue ( const G4double , const G4double , const G4double );
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G4double CalcMandelstamS( const G4double , const G4double , const G4double );
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G4double GetNucleusRadius(const G4DynamicParticle*, const G4Element*);
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G4double GetNucleusRadius(G4int At);
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virtual void CrossSectionDescription(std::ostream&) const;
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inline G4double GetElasticGlauberGribov(const G4DynamicParticle*, G4int Z, G4int A);
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inline G4double GetInelasticGlauberGribov(const G4DynamicParticle*, G4int Z, G4int A);
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inline G4double GetTotalGlauberGribovXsc() { return fTotalXsc; };
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inline G4double GetElasticGlauberGribovXsc() { return fElasticXsc; };
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inline G4double GetInelasticGlauberGribovXsc(){ return fInelasticXsc; };
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inline G4double GetProductionGlauberGribovXsc(){ return fProductionXsc; };
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inline G4double GetDiffractionGlauberGribovXsc(){ return fDiffractionXsc; };
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inline G4double GetRadiusConst() { return fRadiusConst; };
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inline G4double GetParticleBarCorTot(const G4ParticleDefinition* theParticle, G4int Z);
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inline G4double GetParticleBarCorIn(const G4ParticleDefinition* theParticle, G4int Z);
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inline void SetEnergyLowerLimit(G4double E ){fLowerLimit=E;};
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private:
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const G4double fUpperLimit;
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G4double fLowerLimit;
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const G4double fRadiusConst;
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static const G4double fNeutronBarCorrectionTot[93];
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static const G4double fNeutronBarCorrectionIn[93];
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static const G4double fProtonBarCorrectionTot[93];
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static const G4double fProtonBarCorrectionIn[93];
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static const G4double fPionPlusBarCorrectionTot[93];
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static const G4double fPionPlusBarCorrectionIn[93];
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static const G4double fPionMinusBarCorrectionTot[93];
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static const G4double fPionMinusBarCorrectionIn[93];
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G4double fTotalXsc, fElasticXsc, fInelasticXsc, fProductionXsc, fDiffractionXsc;
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G4double fHadronNucleonXsc;
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G4ParticleDefinition* theGamma;
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G4ParticleDefinition* theProton;
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G4ParticleDefinition* theNeutron;
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G4ParticleDefinition* theAProton;
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G4ParticleDefinition* theANeutron;
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G4ParticleDefinition* thePiPlus;
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G4ParticleDefinition* thePiMinus;
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G4ParticleDefinition* thePiZero;
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G4ParticleDefinition* theKPlus;
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G4ParticleDefinition* theKMinus;
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G4ParticleDefinition* theK0S;
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G4ParticleDefinition* theK0L;
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G4ParticleDefinition* theL;
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G4ParticleDefinition* theAntiL;
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G4ParticleDefinition* theSPlus;
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G4ParticleDefinition* theASPlus;
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G4ParticleDefinition* theSMinus;
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G4ParticleDefinition* theASMinus;
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G4ParticleDefinition* theS0;
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G4ParticleDefinition* theAS0;
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G4ParticleDefinition* theXiMinus;
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G4ParticleDefinition* theXi0;
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G4ParticleDefinition* theAXiMinus;
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G4ParticleDefinition* theAXi0;
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G4ParticleDefinition* theOmega;
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G4ParticleDefinition* theAOmega;
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G4ParticleDefinition* theD;
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G4ParticleDefinition* theT;
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G4ParticleDefinition* theA;
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G4ParticleDefinition* theHe3;
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G4HadronNucleonXsc* hnXsc;
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};
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////////////////////////////////////////////////////////////////
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//
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// Inlines
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inline
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G4double
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G4GlauberGribovCrossSection::GetElasticGlauberGribov(const G4DynamicParticle* dp,
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G4int Z, G4int A)
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{
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GetIsoCrossSection(dp, Z, A);
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return fElasticXsc;
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}
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/////////////////////////////////////////////////////////////////
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inline
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G4double
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G4GlauberGribovCrossSection::GetInelasticGlauberGribov(const G4DynamicParticle* dp,
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G4int Z, G4int A)
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{
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GetIsoCrossSection(dp, Z, A);
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return fInelasticXsc;
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}
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/////////////////////////////////////////////////////////////////////
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//
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// return correction at Tkin = 90*GeV GG -> Barashenkov tot xsc, when it
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// is available, else return 1.0
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inline G4double G4GlauberGribovCrossSection::GetParticleBarCorTot(
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const G4ParticleDefinition* theParticle, G4int Z)
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{
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if(Z >= 2 && Z <= 92)
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{
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if( theParticle == theProton ) return fProtonBarCorrectionTot[Z];
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else if( theParticle == theNeutron) return fNeutronBarCorrectionTot[Z];
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else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionTot[Z];
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else if( theParticle == thePiMinus) return fPionMinusBarCorrectionTot[Z];
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else return 1.0;
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}
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else return 1.0;
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}
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/////////////////////////////////////////////////////////////////////
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//
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// return correction at Tkin = 90*GeV GG -> Barashenkov in xsc, when it
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// is available, else return 1.0
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inline G4double G4GlauberGribovCrossSection::GetParticleBarCorIn(
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const G4ParticleDefinition* theParticle, G4int Z)
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{
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if(Z >= 2 && Z <= 92)
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{
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if( theParticle == theProton ) return fProtonBarCorrectionIn[Z];
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else if( theParticle == theNeutron) return fNeutronBarCorrectionIn[Z];
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else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionIn[Z];
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else if( theParticle == thePiMinus) return fPionMinusBarCorrectionIn[Z];
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else return 1.0;
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}
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else return 1.0;
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}
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#endif
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