Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 ////////////////////////////////////////////// 27 // Class: G4AdjointAlongStepWeightCorrecti 28 // Author: L. Desorgher 29 // Organisation: SpaceIT GmbH 30 ////////////////////////////////////////////// 31 // 32 // Documentation: 33 // 34 // Continuous processes act on adjoint partic 35 // weight during the adjoint reverse tracking 36 // the adjoint cross sections are not scaled 37 // section matches the total forward cross se 38 // the total adjoint cross section is equal t 39 // is used and therefore this along step weig 40 // in some cases (some energy ranges) the tot 41 // total adjoint cross section can be zero. I 42 // correction is needed and is given by exp(- 43 // 44 //-------------------------------------------- 45 46 #ifndef G4AdjointAlongStepWeightCorrection_h 47 #define G4AdjointAlongStepWeightCorrection_h 1 48 49 #include "globals.hh" 50 #include "G4VContinuousProcess.hh" 51 52 class G4AdjointCSManager; 53 class G4MaterialCutsCouple; 54 class G4ParticleDefinition; 55 class G4ParticleChange; 56 class G4Step; 57 class G4Track; 58 59 class G4AdjointAlongStepWeightCorrection : pub 60 { 61 public: 62 explicit G4AdjointAlongStepWeightCorrection( 63 const G4String& name = "ContinuousWeightCo 64 G4ProcessType type = fElectromagnetic); 65 66 ~G4AdjointAlongStepWeightCorrection() overri 67 68 G4VParticleChange* AlongStepDoIt(const G4Tra 69 70 void ProcessDescription(std::ostream&) const 71 void DumpInfo() const override { ProcessDesc 72 73 G4AdjointAlongStepWeightCorrection(G4Adjoint 74 delete; 75 G4AdjointAlongStepWeightCorrection& operator 76 const G4AdjointAlongStepWeightCorrection& 77 78 protected: 79 G4double GetContinuousStepLimit(const G4Trac 80 G4double pre 81 G4double cur 82 G4double& cu 83 84 private: 85 void DefineMaterial(const G4MaterialCutsCoup 86 87 const G4MaterialCutsCouple* fCurrentCouple = 88 G4AdjointCSManager* fCSManager = nullptr; 89 G4ParticleChange* fParticleChange; 90 91 G4double fPreStepKinEnergy = 1.; 92 }; 93 94 inline void G4AdjointAlongStepWeightCorrection 95 const G4MaterialCutsCouple* couple) 96 { 97 if(couple != fCurrentCouple) 98 { 99 fCurrentCouple = couple; 100 } 101 } 102 103 #endif 104