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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 // G4 Low energy model: n-n or p-p scattering 28 // F.W. Jones, L.G. Greeniaus, H.P. Wellisch 29 // 30 // For further comments see G4LEnpData.hh and G4LEnp.cc 31 // 32 33 #ifndef G4AngularDistributionPP_h 34 #define G4AngularDistributionPP_h 1 35 36 #include "globals.hh" 37 38 #include "G4VAngularDistribution.hh" 39 40 class G4AngularDistributionPP : public G4VAngularDistribution 41 { 42 private: 43 44 // enum { NENERGY=22, NANGLE=180 }; 45 enum { NENERGY=40, NENERGYC=22, NANGLE=180 }; 46 47 public: 48 49 G4AngularDistributionPP() { } 50 51 virtual ~G4AngularDistributionPP() { } 52 53 virtual G4double CosTheta(G4double s, G4double m1, G4double m2) const; 54 55 virtual G4double Phi() const; 56 57 private: 58 59 // Coulomb effects suppressed: 60 static const G4float sig[NENERGY][NANGLE]; 61 static const G4float pcm[NENERGY], elab[NENERGY], 62 dsigmax[NENERGY], sigtot[NENERGY]; 63 64 }; 65 66 #endif 67 68