Geant4 Cross Reference |
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 // by J.P Wellisch, Sun Sep 15 2002. 27 // 28 // Revision by V.Ivanchenko 04.03.2024 29 // 30 // This code keep data for proton and neutron Barashenkov evaluation 31 // for the total and reaction (inelastic) cross sections. 32 // The elastic cross section is a difference sigma(el) = sigma(total) - sigma(inel). 33 // The low-energy limit 14 MeV, high energy limit 1 TeV. Below energy limit 34 // the cross sections at 14 MeV is used, above maximum energy a cross section 35 // at 1 TeV is given. 36 37 #ifndef G4PiData_h 38 #define G4PiData_h 39 40 #include <vector> 41 #include <algorithm> 42 #include "globals.hh" 43 44 class G4PiData : public std::vector<std::pair<G4double, std::pair<G4double, G4double > > > 45 { 46 public: 47 explicit G4PiData(const G4double * aTotal, const G4double * aInelastic, 48 const G4double * anEnergy, G4int nPoints); 49 50 ~G4PiData() = default; 51 52 G4double ReactionXSection(G4double kineticEnergy); 53 G4double ElasticXSection(G4double kineticEnergy); 54 G4double TotalXSection(G4double kineticEnergy); 55 56 G4PiData& operator = (const G4PiData &right) = delete; 57 G4PiData(const G4PiData&) = delete; 58 59 private: 60 G4double fMinE{0.0}; 61 G4double fTot0{0.0}; 62 G4double fInel0{0.0}; 63 G4double fMaxE{0.0}; 64 G4double fTot1{0.0}; 65 G4double fInel1{0.0}; 66 }; 67 68 #endif 69