include/Geant4/G4BGGPionElasticXS.hh

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:     G4BGGPionElasticXS
0033 //
0034 // Author:        Vladimir Ivanchenko
0035 //
0036 // Creation date: 01.10.2003
0037 // Modifications:
0038 //
0039 //
0040 // Class Description:
0041 //
0042 // Wrapper of pi+ and pi- inelastic cross-sections using Barashenkov
0043 // parametersation below 100 GeV and Glauber-Gribov model above
0044 //
0045 // -------------------------------------------------------------------
0046 //
0047
0048 #ifndef G4BGGPionElasticXS_h
0049 #define G4BGGPionElasticXS_h
0050
0051 #include "globals.hh"
0052 #include "G4VCrossSectionDataSet.hh"
0053 #include "G4ParticleDefinition.hh"
0054
0055 class G4ComponentGGHadronNucleusXsc;
0056 class G4UPiNuclearCrossSection;
0057 class G4HadronNucleonXsc;
0058 class G4Material;
0059 class G4Element;
0060 class G4Isotope;
0061 class G4Pow;
0062
0063 class G4BGGPionElasticXS final : public G4VCrossSectionDataSet
0064 {
0065 public:
0066
0067   explicit G4BGGPionElasticXS (const G4ParticleDefinition*);
0068
0069   ~G4BGGPionElasticXS() final;
0070
0071   G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
0072                  const G4Material*) 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   G4BGGPionElasticXS & operator=(const G4BGGPionElasticXS &right) = delete;
0091   G4BGGPionElasticXS(const G4BGGPionElasticXS&) = delete;
0092
0093 private:
0094
0095   void Initialise();
0096
0097   G4double CoulombFactorPiPlus(G4double kinEnergy, G4int Z);
0098
0099   G4double FactorPiMinus(G4double kinEnergy);
0100
0101   G4double fGlauberEnergy;
0102   G4double fLowEnergy;
0103   G4double fLowestEnergy;
0104
0105   static G4double theGlauberFacPiPlus[93];
0106   static G4double theCoulombFacPiPlus[93];
0107   static G4double theGlauberFacPiMinus[93];
0108   static G4double theCoulombFacPiMinus[93];
0109   static G4int theA[93];
0110
0111   const G4ParticleDefinition* theProton;
0112   const G4ParticleDefinition* thePiPlus;
0113
0114   G4Pow* fG4pow;
0115
0116   G4ComponentGGHadronNucleusXsc* fGlauber;
0117   G4UPiNuclearCrossSection* fPion;
0118   G4HadronNucleonXsc* fHadron;
0119   G4bool isPiplus;
0120 };
0121
0122 #endif