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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4BGGNucleonElasticXS
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 13.03.2007
0037 // Modifications:
0038 //
0039 //
0040 // Class Description:
0041 //
0042 // Wrapper of proton and neutron elastic cross-sections using Barashenkov 
0043 // parametersation below 100 GeV and Glauber-Gribov model above
0044 //
0045 // -------------------------------------------------------------------
0046 //
0047 
0048 #ifndef G4BGGNucleonElasticXS_h
0049 #define G4BGGNucleonElasticXS_h 1
0050 
0051 #include "globals.hh"
0052 #include "G4VCrossSectionDataSet.hh"
0053 #include "G4ParticleDefinition.hh"
0054 #include "G4Threading.hh"
0055 
0056 class G4ComponentGGHadronNucleusXsc;
0057 class G4NucleonNuclearCrossSection;
0058 class G4HadronNucleonXsc;
0059 class G4Material;
0060 class G4Element;
0061 class G4Isotope;
0062 
0063 class G4BGGNucleonElasticXS final : public G4VCrossSectionDataSet
0064 {
0065 public:
0066 
0067   explicit G4BGGNucleonElasticXS (const G4ParticleDefinition*);
0068 
0069   ~G4BGGNucleonElasticXS() final;
0070    
0071   G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z, 
0072                  const G4Material* mat) final;
0073 
0074   G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,  
0075              const G4Element* elm,
0076              const G4Material* mat) final;
0077 
0078   G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z,
0079                   const G4Material* mat) final;
0080 
0081   G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,  
0082                   const G4Isotope* iso=nullptr,
0083                   const G4Element* elm=nullptr,
0084                   const G4Material* mat=nullptr) final;
0085 
0086   void BuildPhysicsTable(const G4ParticleDefinition&) final;
0087 
0088   void CrossSectionDescription(std::ostream&) const final;
0089 
0090 private:
0091 
0092   G4double CoulombFactor(G4double kinEnergy, G4int Z);
0093 
0094   G4BGGNucleonElasticXS & operator=(const G4BGGNucleonElasticXS &right);
0095   G4BGGNucleonElasticXS(const G4BGGNucleonElasticXS&);
0096 
0097   G4double fGlauberEnergy;  
0098   G4double fLowEnergy;  
0099 
0100   static G4double theGlauberFacP[93];
0101   static G4double theCoulombFacP[93];
0102   static G4double theGlauberFacN[93];
0103   static G4double theCoulombFacN[93];
0104   static G4int    theA[93];
0105 
0106   const G4ParticleDefinition*     theProton;
0107   G4ComponentGGHadronNucleusXsc*  fGlauber;
0108   G4NucleonNuclearCrossSection*   fNucleon;
0109   G4HadronNucleonXsc*             fHadron;
0110   G4bool                          isProton;
0111   G4bool                          isMaster;
0112 
0113 #ifdef G4MULTITHREADED
0114   static G4Mutex nucleonElasticXSMutex;
0115 #endif
0116 };
0117 
0118 #endif