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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // ------------------------------------------------------------------- 28 // GEANT4 Class file 29 // 30 // 31 // File name: G4XnpElasticLowE 32 // 33 // Author: Maria Grazia Pia (MariaGrazia.Pia@genova.infn.it) 34 // 35 // Creation date: 15 April 1999 36 // 37 // Modifications: 38 // 39 // ------------------------------------------------------------------- 40 41 #ifndef G4XNPELASTICLOWE_HH 42 #define G4XNPELASTICLOWE_HH 43 44 #include "globals.hh" 45 #include "G4VCrossSectionSource.hh" 46 #include "G4CrossSectionVector.hh" 47 #include "G4PhysicsVector.hh" 48 49 class G4KineticTrack; 50 51 class G4XnpElasticLowE : public G4VCrossSectionSource 52 { 53 54 public: 55 56 G4XnpElasticLowE(); 57 58 virtual ~G4XnpElasticLowE(); 59 60 G4bool operator==(const G4XnpElasticLowE &right) const; 61 G4bool operator!=(const G4XnpElasticLowE &right) const; 62 63 virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const; 64 65 virtual const G4CrossSectionVector* GetComponents() const { return 0; } 66 67 virtual G4bool IsValid(G4double e) const; 68 69 virtual void Print() const; 70 71 virtual G4String Name() const; 72 73 virtual G4double HighLimit() const { return _highLimit; } 74 75 76 protected: 77 78 79 private: 80 81 G4XnpElasticLowE(const G4XnpElasticLowE &right); 82 const G4XnpElasticLowE& operator=(const G4XnpElasticLowE &right); 83 84 static const G4double _lowLimit; 85 static const G4double _highLimit; 86 static const G4double _sigmaTable[101]; 87 static const G4int _tableSize; 88 static const G4double _eMinTable; 89 static const G4double _eStepLog; 90 91 G4PhysicsVector* _sigma; 92 G4double _eMin; 93 G4double _eMax; 94 95 }; 96 97 #endif 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141