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: G4ContinuousGainOfEnergy.hh 69844 2013-05-16 09:19:33Z gcosmo $ 00027 // 00029 // Class: G4ContinuousGainOfEnergy 00030 // Author: L. Desorgher 00031 // Organisation: SpaceIT GmbH 00032 // Contract: ESA contract 21435/08/NL/AT 00033 // Customer: ESA/ESTEC 00035 // 00036 // CHANGE HISTORY 00037 // -------------- 00038 // ChangeHistory: 00039 // -10 May 2007 creation by L. Desorgher 00040 // -February-March 2009 Update for protons by L.Desorgher 00041 // -July August 2009 Update for ion by L.Desorgher 00042 // 00043 //------------------------------------------------------------- 00044 // Documentation: 00045 // Continuous process acting on adjoint particles to compute the continuous gain of energy of charged particles when they are tracked back! 00046 // 00047 // 00048 #ifndef G4ContinuousGainOfEnergy_h 00049 #define G4ContinuousGainOfEnergy_h 1 00050 00051 #include "G4VContinuousProcess.hh" 00052 #include "globals.hh" 00053 #include "G4Material.hh" 00054 #include "G4MaterialCutsCouple.hh" 00055 #include "G4Track.hh" 00056 #include "G4UnitsTable.hh" 00057 #include "G4ParticleChange.hh" 00058 #include "G4VEnergyLossProcess.hh" 00059 #include "G4ProductionCutsTable.hh" 00060 00061 00062 class G4Step; 00063 class G4ParticleDefinition; 00064 class G4VEmModel; 00065 class G4VEmFluctuationModel; 00066 00067 00068 00069 class G4ContinuousGainOfEnergy : public G4VContinuousProcess 00070 { 00071 public: 00072 00073 G4ContinuousGainOfEnergy(const G4String& name = "EnergyGain", 00074 G4ProcessType type = fElectromagnetic); 00075 00076 virtual ~G4ContinuousGainOfEnergy(); 00077 00078 00079 protected: 00080 00081 00082 //------------------------------------------------------------------------ 00083 // Methods with standard implementation; may be overwritten if needed 00084 //------------------------------------------------------------------------ 00085 protected: 00086 00087 00088 virtual G4double GetContinuousStepLimit(const G4Track& track, 00089 G4double previousStepSize, 00090 G4double currentMinimumStep, 00091 G4double& currentSafety); 00092 00093 00094 //------------------------------------------------------------------------ 00095 // Generic methods common to all processes 00096 //------------------------------------------------------------------------ 00097 public: 00098 00099 00100 00101 void PreparePhysicsTable(const G4ParticleDefinition&); 00102 00103 void BuildPhysicsTable(const G4ParticleDefinition&); 00104 00105 00106 G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&); 00107 00108 00109 void SetLossFluctuations(G4bool val); 00110 inline void SetIsIntegral(G4bool val){is_integral= val;} 00111 00112 inline void SetDirectEnergyLossProcess(G4VEnergyLossProcess* aProcess){theDirectEnergyLossProcess=aProcess;}; 00113 00114 void SetDirectParticle(G4ParticleDefinition* p); 00115 00116 protected: 00117 00118 00119 00120 00121 private: 00122 00123 void DefineMaterial(const G4MaterialCutsCouple* couple); 00124 void SetDynamicMassCharge(const G4Track& track, G4double energy); 00125 00126 00127 // hide assignment operator 00128 00129 G4ContinuousGainOfEnergy(G4ContinuousGainOfEnergy &); 00130 G4ContinuousGainOfEnergy & operator=(const G4ContinuousGainOfEnergy &right); 00131 00132 00133 private: 00134 00135 const G4Material* currentMaterial; 00136 const G4MaterialCutsCouple* currentCouple; 00137 size_t currentMaterialIndex; 00138 size_t currentCoupleIndex; 00139 G4double currentTcut; 00140 G4double currentCutInRange; 00141 G4double preStepKinEnergy; 00142 00143 00144 00145 G4double linLossLimit; 00146 G4bool lossFluctuationFlag; 00147 G4bool lossFluctuationArePossible; 00148 00149 G4VEnergyLossProcess* theDirectEnergyLossProcess; 00150 G4ParticleDefinition* theDirectPartDef; 00151 00152 00153 G4bool is_integral; 00154 00155 //adding for Ions 00156 //---------------- 00157 G4bool IsIon; 00158 G4double massRatio; 00159 G4double chargeSqRatio; 00160 G4VEmModel* currentModel; 00161 G4double preStepChargeSqRatio; 00162 G4double preStepScaledKinEnergy; 00163 G4double preStepRange; 00164 00165 00166 00167 00168 00169 }; 00170 00172 // 00173 inline void G4ContinuousGainOfEnergy::DefineMaterial( 00174 const G4MaterialCutsCouple* couple) 00175 { 00176 if(couple != currentCouple) { 00177 currentCouple = couple; 00178 currentMaterial = couple->GetMaterial(); 00179 currentCoupleIndex = couple->GetIndex(); 00180 currentMaterialIndex = currentMaterial->GetIndex(); 00181 00182 size_t idx=1; 00183 const std::vector<G4double>* aVec = G4ProductionCutsTable::GetProductionCutsTable()->GetEnergyCutsVector(idx); 00184 currentTcut=(*aVec)[currentCoupleIndex]; 00185 currentCutInRange = couple->GetProductionCuts()->GetProductionCut(theDirectPartDef->GetParticleName()); 00186 //G4cout<<"Define Material"<<G4endl; 00187 //if(!meanFreePath) ResetNumberOfInteractionLengthLeft(); 00188 } 00189 } 00190 00191 #endif