00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id: G4AdjointhMultipleScattering.hh 69844 2013-05-16 09:19:33Z gcosmo $ 00027 // 00029 // Class: G4AdjointhMultipleScattering 00030 // Author: L. Desorgher 00031 // Organisation: SpaceIT GmbH 00032 // Contract: ESA contract 21435/08/NL/AT 00033 // Customer: ESA/ESTEC 00035 // 00036 // GEANT4 Class header file 00037 // 00038 // File name: G4AdjointhMultipleScattering 00039 // 00040 // Author: Desorgher Laurent 00041 // 00042 // Creation date: 03.06.2009 cloned from G4hMultipleScattering by U.Laszlo with slight modification for adjoint_ion. 00043 // 00044 // 00045 //------------------------------------------------------------------------------ 00047 // 00048 // CHANGE HISTORY 00049 // -------------- 00050 // ChangeHistory: 00051 // 03.06.2009 Creation by L. Desorgher. Cloned from G4hMultipleScattering by U.Laszlo with slight modifications. 00052 // 09.11.2009 Remove AlongStepGetPhysicalInteractionLength, to call the one of the base class. 00053 //------------------------------------------------------------- 00054 // Documentation: 00055 // The class simulates the multiple scattering for adjoint proton of charged particle. In this approximate implementation the reverse multiple scattering 00056 // is the same than the foward one. This should be changed in the future to have the MultipleScaterring computed for the energy at the end of the step 00057 // and not before the step. 00058 // 00059 00060 00061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00063 00064 #ifndef G4AdjointhMultipleScattering_h 00065 #define G4AdjointhMultipleScattering_h 1 00066 00067 #include "G4VMultipleScattering.hh" 00068 00069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00070 00071 class G4VMscModel; 00072 00073 class G4AdjointhMultipleScattering : public G4VMultipleScattering 00074 00075 { 00076 public: // with description 00077 00078 G4AdjointhMultipleScattering(const G4String& processName="msc"); 00079 00080 virtual ~G4AdjointhMultipleScattering(); 00081 00082 // returns true for charged particles, false otherwise 00083 G4bool IsApplicable (const G4ParticleDefinition& p); 00084 00085 // PrG4int few lines of informations about the process: validity range, 00086 void PrintInfo(); 00087 00088 // geom. step length distribution should be sampled or not 00089 void Setsamplez(G4bool value) { samplez = value;}; 00090 00091 // to reduce the energy/step dependence 00092 void Setdtrl(G4double value) { dtrl = value;}; 00093 00094 // 'soften' step limitation above lambdalimit 00095 void SetLambdalimit(G4double value) { lambdalimit = value;}; 00096 00097 /* // The function overloads the corresponding function of the base 00098 // class.It limits the step near to boundaries only 00099 // and invokes the method GetMscContinuousStepLimit at every step. 00100 G4double AlongStepGetPhysicalInteractionLength( 00101 const G4Track&, 00102 G4double previousStepSize, 00103 G4double currentMinimalStep, 00104 G4double& currentSafety, 00105 G4GPILSelection* selection); 00106 */ 00107 00108 protected: 00109 00110 // This function initialise models 00111 void InitialiseProcess(const G4ParticleDefinition*); 00112 00113 private: // data members 00114 00115 G4VMscModel* mscUrban; 00116 00117 G4double lambdalimit; 00118 G4double dtrl; 00119 00120 G4bool samplez; 00121 G4bool isInitialized; 00122 G4bool isIon; 00123 00124 }; 00125 00126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00127 00128 #endif 00129