[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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[961] | 26 | // $Id: G4VMultipleScattering.hh,v 1.55 2009/02/18 12:19:33 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 28 | // |
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| 29 | // ------------------------------------------------------------------- |
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| 30 | // |
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| 31 | // GEANT4 Class header file |
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| 32 | // |
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| 33 | // |
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| 34 | // File name: G4VMultipleScattering |
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| 35 | // |
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| 36 | // Author: Vladimir Ivanchenko on base of Laszlo Urban code |
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| 37 | // |
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| 38 | // Creation date: 12.03.2002 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // |
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| 42 | // 16-07-03 Update GetRange interface (V.Ivanchenko) |
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| 43 | // |
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| 44 | // |
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| 45 | // Class Description: |
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| 46 | // |
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| 47 | // It is the generic process of multiple scattering it includes common |
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| 48 | // part of calculations for all charged particles |
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| 49 | // |
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| 50 | // 26-11-03 bugfix in AlongStepDoIt (L.Urban) |
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| 51 | // 25-05-04 add protection against case when range is less than steplimit (VI) |
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| 52 | // 30-06-04 make destructor virtual (V.Ivanchenko) |
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| 53 | // 27-08-04 Add InitialiseForRun method (V.Ivanchneko) |
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| 54 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko) |
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| 55 | // 15-04-05 optimize internal interfaces (V.Ivanchenko) |
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| 56 | // 15-04-05 remove boundary flag (V.Ivanchenko) |
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| 57 | // 07-10-05 error in a protection in GetContinuousStepLimit corrected (L.Urban) |
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| 58 | // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko) |
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| 59 | // 26-01-06 Rename GetRange -> GetRangeFromRestricteDEDX (V.Ivanchenko) |
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| 60 | // 17-02-06 Save table of transport cross sections not mfp (V.Ivanchenko) |
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| 61 | // 07-03-06 Move step limit calculation to model (V.Ivanchenko) |
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| 62 | // 13-05-06 Add method to access model by index (V.Ivanchenko) |
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| 63 | // 12-02-07 Add get/set skin (V.Ivanchenko) |
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| 64 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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[961] | 65 | // 15-07-08 Reorder class members for further multi-thread development (VI) |
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[819] | 66 | // |
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| 67 | |
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| 68 | // ------------------------------------------------------------------- |
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| 69 | // |
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| 70 | |
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| 71 | #ifndef G4VMultipleScattering_h |
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| 72 | #define G4VMultipleScattering_h 1 |
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| 73 | |
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| 74 | #include "G4VContinuousDiscreteProcess.hh" |
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| 75 | #include "globals.hh" |
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| 76 | #include "G4Material.hh" |
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| 77 | #include "G4MaterialCutsCouple.hh" |
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| 78 | #include "G4ParticleChangeForMSC.hh" |
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| 79 | #include "G4Track.hh" |
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| 80 | #include "G4Step.hh" |
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| 81 | #include "G4EmModelManager.hh" |
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| 82 | #include "G4VEmModel.hh" |
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| 83 | #include "G4MscStepLimitType.hh" |
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| 84 | |
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| 85 | class G4ParticleDefinition; |
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| 86 | class G4DataVector; |
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| 87 | class G4PhysicsTable; |
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| 88 | class G4PhysicsVector; |
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| 89 | |
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| 90 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 91 | |
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| 92 | class G4VMultipleScattering : public G4VContinuousDiscreteProcess |
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| 93 | { |
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| 94 | public: |
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| 95 | |
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| 96 | G4VMultipleScattering(const G4String& name = "msc", |
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[961] | 97 | G4ProcessType type = fElectromagnetic); |
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[819] | 98 | |
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| 99 | virtual ~G4VMultipleScattering(); |
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| 100 | |
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| 101 | //------------------------------------------------------------------------ |
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| 102 | // Virtual methods to be implemented for the concrete model |
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| 103 | //------------------------------------------------------------------------ |
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| 104 | |
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| 105 | virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0; |
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| 106 | |
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| 107 | virtual void PrintInfo() = 0; |
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| 108 | |
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| 109 | protected: |
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| 110 | |
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| 111 | virtual void InitialiseProcess(const G4ParticleDefinition*) = 0; |
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| 112 | |
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| 113 | public: |
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| 114 | |
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| 115 | //------------------------------------------------------------------------ |
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| 116 | // Generic methods common to all ContinuousDiscrete processes |
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| 117 | //------------------------------------------------------------------------ |
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| 118 | |
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| 119 | // Initialise for build of tables |
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| 120 | void PreparePhysicsTable(const G4ParticleDefinition&); |
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| 121 | |
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| 122 | // Build physics table during initialisation |
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| 123 | void BuildPhysicsTable(const G4ParticleDefinition&); |
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| 124 | |
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| 125 | // Print out of generic class parameters |
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| 126 | void PrintInfoDefinition(); |
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| 127 | |
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| 128 | G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&); |
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| 129 | |
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| 130 | G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&); |
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| 131 | |
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| 132 | // Store PhysicsTable in a file. |
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| 133 | // Return false in case of failure at I/O |
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| 134 | G4bool StorePhysicsTable(const G4ParticleDefinition*, |
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| 135 | const G4String& directory, |
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[961] | 136 | G4bool ascii = false); |
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[819] | 137 | |
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| 138 | // Retrieve Physics from a file. |
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| 139 | // (return true if the Physics Table can be build by using file) |
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| 140 | // (return false if the process has no functionality or in case of failure) |
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| 141 | // File name should is constructed as processName+particleName and the |
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| 142 | // should be placed under the directory specifed by the argument. |
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| 143 | G4bool RetrievePhysicsTable(const G4ParticleDefinition*, |
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| 144 | const G4String& directory, |
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[961] | 145 | G4bool ascii); |
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[819] | 146 | |
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| 147 | // The function overloads the corresponding function of the base |
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| 148 | // class.It limits the step near to boundaries only |
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| 149 | // and invokes the method GetMscContinuousStepLimit at every step. |
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| 150 | G4double AlongStepGetPhysicalInteractionLength( |
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| 151 | const G4Track&, |
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[961] | 152 | G4double previousStepSize, |
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| 153 | G4double currentMinimalStep, |
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| 154 | G4double& currentSafety, |
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| 155 | G4GPILSelection* selection); |
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[819] | 156 | |
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| 157 | // The function overloads the corresponding function of the base |
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| 158 | // class. |
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| 159 | G4double PostStepGetPhysicalInteractionLength( |
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| 160 | const G4Track&, |
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| 161 | G4double previousStepSize, |
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| 162 | G4ForceCondition* condition); |
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| 163 | |
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| 164 | // This method does not used for tracking, it is intended only for tests |
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| 165 | inline G4double ContinuousStepLimit(const G4Track& track, |
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| 166 | G4double previousStepSize, |
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| 167 | G4double currentMinimalStep, |
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| 168 | G4double& currentSafety); |
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| 169 | |
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| 170 | //------------------------------------------------------------------------ |
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| 171 | // Specific methods to build and access Physics Tables |
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| 172 | //------------------------------------------------------------------------ |
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| 173 | |
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| 174 | // Build empty Physics Vector |
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| 175 | G4PhysicsVector* PhysicsVector(const G4MaterialCutsCouple*); |
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| 176 | |
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| 177 | inline void SetBinning(G4int nbins); |
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| 178 | inline G4int Binning() const; |
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| 179 | |
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| 180 | inline void SetMinKinEnergy(G4double e); |
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| 181 | inline G4double MinKinEnergy() const; |
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| 182 | |
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| 183 | inline void SetMaxKinEnergy(G4double e); |
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| 184 | inline G4double MaxKinEnergy() const; |
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| 185 | |
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| 186 | inline void SetBuildLambdaTable(G4bool val); |
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| 187 | |
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| 188 | inline G4PhysicsTable* LambdaTable() const; |
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| 189 | |
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[961] | 190 | // access particle type |
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[819] | 191 | inline const G4ParticleDefinition* Particle() const; |
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| 192 | |
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| 193 | //------------------------------------------------------------------------ |
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| 194 | // Specific methods to set, access, modify models |
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| 195 | //------------------------------------------------------------------------ |
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| 196 | |
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[961] | 197 | protected: |
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| 198 | // Select model in run time |
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| 199 | inline G4VEmModel* SelectModel(G4double kinEnergy); |
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[819] | 200 | |
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[961] | 201 | public: |
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| 202 | // Select model in run time |
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[819] | 203 | inline G4VEmModel* SelectModelForMaterial(G4double kinEnergy, |
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| 204 | size_t& idxRegion) const; |
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| 205 | |
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[961] | 206 | // Add model for region, smaller value of order defines which |
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| 207 | // model will be selected for a given energy interval |
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| 208 | inline void AddEmModel(G4int order, G4VEmModel*, const G4Region* region = 0); |
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[819] | 209 | |
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[961] | 210 | // Access to models by index |
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| 211 | inline G4VEmModel* GetModelByIndex(G4int idx = 0, G4bool ver = false); |
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| 212 | |
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[819] | 213 | //------------------------------------------------------------------------ |
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[961] | 214 | // Get/Set parameters for simulation of multiple scattering |
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[819] | 215 | //------------------------------------------------------------------------ |
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| 216 | |
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[961] | 217 | inline G4bool LateralDisplasmentFlag() const; |
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[819] | 218 | inline void SetLateralDisplasmentFlag(G4bool val); |
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| 219 | |
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[961] | 220 | inline G4double Skin() const; |
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[819] | 221 | inline void SetSkin(G4double val); |
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| 222 | |
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[961] | 223 | inline G4double RangeFactor() const; |
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[819] | 224 | inline void SetRangeFactor(G4double val); |
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| 225 | |
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[961] | 226 | inline G4double GeomFactor() const; |
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[819] | 227 | inline void SetGeomFactor(G4double val); |
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| 228 | |
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[961] | 229 | inline G4double PolarAngleLimit() const; |
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| 230 | inline void SetPolarAngleLimit(G4double val); |
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| 231 | |
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| 232 | inline G4MscStepLimitType StepLimitType() const; |
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[819] | 233 | inline void SetStepLimitType(G4MscStepLimitType val); |
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| 234 | |
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[961] | 235 | //------------------------------------------------------------------------ |
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| 236 | // Run time methods |
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| 237 | //------------------------------------------------------------------------ |
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| 238 | |
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[819] | 239 | protected: |
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| 240 | |
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| 241 | // This method is used for tracking, it returns mean free path value |
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| 242 | G4double GetMeanFreePath(const G4Track& track, |
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| 243 | G4double, |
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| 244 | G4ForceCondition* condition); |
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| 245 | |
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| 246 | // This method is not used for tracking, it returns step limit |
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| 247 | G4double GetContinuousStepLimit(const G4Track& track, |
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| 248 | G4double previousStepSize, |
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| 249 | G4double currentMinimalStep, |
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| 250 | G4double& currentSafety); |
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| 251 | |
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[961] | 252 | inline G4double GetLambda(const G4ParticleDefinition* p, |
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| 253 | G4double& kineticEnergy); |
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[819] | 254 | |
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| 255 | // This method is used for tracking, it returns step limit |
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| 256 | inline G4double GetMscContinuousStepLimit(const G4Track& track, |
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[961] | 257 | G4double scaledKinEnergy, |
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[819] | 258 | G4double currentMinimalStep, |
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| 259 | G4double& currentSafety); |
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| 260 | |
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[961] | 261 | // define current material |
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| 262 | inline void DefineMaterial(const G4MaterialCutsCouple* couple); |
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[819] | 263 | |
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| 264 | inline const G4MaterialCutsCouple* CurrentMaterialCutsCouple() const; |
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| 265 | |
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[961] | 266 | inline G4ParticleChangeForMSC* GetParticleChange(); |
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[819] | 267 | |
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| 268 | |
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[961] | 269 | private: |
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[819] | 270 | |
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[961] | 271 | // hide assignment operator |
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| 272 | G4VMultipleScattering(G4VMultipleScattering &); |
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| 273 | G4VMultipleScattering & operator=(const G4VMultipleScattering &right); |
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[819] | 274 | |
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[961] | 275 | // ======== Parameters of the class fixed at construction ========= |
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[819] | 276 | |
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[961] | 277 | G4EmModelManager* modelManager; |
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| 278 | G4bool buildLambdaTable; |
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[819] | 279 | |
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[961] | 280 | // ======== Parameters of the class fixed at initialisation ======= |
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[819] | 281 | |
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[961] | 282 | G4PhysicsTable* theLambdaTable; |
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| 283 | const G4ParticleDefinition* firstParticle; |
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[819] | 284 | |
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[961] | 285 | G4MscStepLimitType stepLimit; |
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[819] | 286 | |
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[961] | 287 | G4double minKinEnergy; |
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| 288 | G4double maxKinEnergy; |
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| 289 | G4double skin; |
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| 290 | G4double facrange; |
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| 291 | G4double facgeom; |
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| 292 | G4double polarAngleLimit; |
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[819] | 293 | |
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[961] | 294 | G4int nBins; |
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[819] | 295 | |
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[961] | 296 | G4bool latDisplasment; |
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| 297 | |
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| 298 | // ======== Cashed values - may be state dependent ================ |
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| 299 | |
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[819] | 300 | protected: |
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| 301 | |
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| 302 | G4GPILSelection valueGPILSelectionMSC; |
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| 303 | G4ParticleChangeForMSC fParticleChange; |
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| 304 | |
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| 305 | private: |
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| 306 | |
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| 307 | G4VEmModel* currentModel; |
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| 308 | |
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| 309 | // cache |
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| 310 | const G4ParticleDefinition* currentParticle; |
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| 311 | const G4MaterialCutsCouple* currentCouple; |
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| 312 | size_t currentMaterialIndex; |
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| 313 | |
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[961] | 314 | }; |
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[819] | 315 | |
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[961] | 316 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 317 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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[819] | 318 | |
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[961] | 319 | inline G4double G4VMultipleScattering::ContinuousStepLimit( |
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| 320 | const G4Track& track, |
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| 321 | G4double previousStepSize, |
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| 322 | G4double currentMinimalStep, |
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| 323 | G4double& currentSafety) |
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| 324 | { |
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| 325 | return GetMscContinuousStepLimit(track,previousStepSize,currentMinimalStep, |
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| 326 | currentSafety); |
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| 327 | } |
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[819] | 328 | |
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[961] | 329 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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[819] | 330 | |
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[961] | 331 | inline void G4VMultipleScattering::SetBinning(G4int nbins) |
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| 332 | { |
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| 333 | nBins = nbins; |
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| 334 | } |
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| 335 | |
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[819] | 336 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 337 | |
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[961] | 338 | inline G4int G4VMultipleScattering::Binning() const |
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[819] | 339 | { |
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[961] | 340 | return nBins; |
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[819] | 341 | } |
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| 342 | |
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| 343 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 344 | |
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[961] | 345 | inline void G4VMultipleScattering::SetMinKinEnergy(G4double e) |
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[819] | 346 | { |
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[961] | 347 | minKinEnergy = e; |
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[819] | 348 | } |
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| 349 | |
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| 350 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 351 | |
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[961] | 352 | inline G4double G4VMultipleScattering::MinKinEnergy() const |
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[819] | 353 | { |
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[961] | 354 | return minKinEnergy; |
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[819] | 355 | } |
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| 356 | |
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| 357 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 358 | |
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[961] | 359 | inline void G4VMultipleScattering::SetMaxKinEnergy(G4double e) |
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[819] | 360 | { |
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[961] | 361 | maxKinEnergy = e; |
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[819] | 362 | } |
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| 363 | |
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| 364 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 365 | |
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[961] | 366 | inline G4double G4VMultipleScattering::MaxKinEnergy() const |
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[819] | 367 | { |
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[961] | 368 | return maxKinEnergy; |
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[819] | 369 | } |
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| 370 | |
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| 371 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 372 | |
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[961] | 373 | inline void G4VMultipleScattering::SetBuildLambdaTable(G4bool val) |
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[819] | 374 | { |
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[961] | 375 | buildLambdaTable = val; |
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[819] | 376 | } |
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| 377 | |
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| 378 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 379 | |
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[961] | 380 | inline G4PhysicsTable* G4VMultipleScattering::LambdaTable() const |
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[819] | 381 | { |
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[961] | 382 | return theLambdaTable; |
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[819] | 383 | } |
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| 384 | |
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| 385 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 386 | |
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[961] | 387 | inline const G4ParticleDefinition* G4VMultipleScattering::Particle() const |
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[819] | 388 | { |
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[961] | 389 | return currentParticle; |
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[819] | 390 | } |
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| 391 | |
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| 392 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 393 | |
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[961] | 394 | inline void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p, |
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| 395 | const G4Region* region) |
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[819] | 396 | { |
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[961] | 397 | G4VEmFluctuationModel* fm = 0; |
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| 398 | modelManager->AddEmModel(order, p, fm, region); |
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| 399 | if(p) p->SetParticleChange(pParticleChange); |
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[819] | 400 | } |
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| 401 | |
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| 402 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 403 | |
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[961] | 404 | inline G4VEmModel* G4VMultipleScattering::SelectModel(G4double kinEnergy) |
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[819] | 405 | { |
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[961] | 406 | return modelManager->SelectModel(kinEnergy, currentMaterialIndex); |
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[819] | 407 | } |
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| 408 | |
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| 409 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 410 | |
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[961] | 411 | inline G4VEmModel* G4VMultipleScattering::SelectModelForMaterial( |
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| 412 | G4double kinEnergy, size_t& idxRegion) const |
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[819] | 413 | { |
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[961] | 414 | return modelManager->SelectModel(kinEnergy, idxRegion); |
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[819] | 415 | } |
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| 416 | |
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| 417 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 418 | |
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[961] | 419 | inline |
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| 420 | G4VEmModel* G4VMultipleScattering::GetModelByIndex(G4int idx, G4bool ver) |
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[819] | 421 | { |
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[961] | 422 | return modelManager->GetModel(idx, ver); |
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[819] | 423 | } |
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| 424 | |
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| 425 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 426 | |
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| 427 | inline G4bool G4VMultipleScattering::LateralDisplasmentFlag() const |
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| 428 | { |
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| 429 | return latDisplasment; |
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| 430 | } |
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| 431 | |
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| 432 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 433 | |
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| 434 | inline void G4VMultipleScattering::SetLateralDisplasmentFlag(G4bool val) |
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| 435 | { |
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| 436 | latDisplasment = val; |
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| 437 | } |
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| 438 | |
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| 439 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 440 | |
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| 441 | inline G4double G4VMultipleScattering::Skin() const |
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| 442 | { |
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| 443 | return skin; |
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| 444 | } |
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| 445 | |
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| 446 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 447 | |
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| 448 | inline void G4VMultipleScattering::SetSkin(G4double val) |
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| 449 | { |
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[961] | 450 | if(val < 1.0) skin = 0.0; |
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| 451 | else skin = val; |
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[819] | 452 | } |
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| 453 | |
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| 454 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 455 | |
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| 456 | inline G4double G4VMultipleScattering::RangeFactor() const |
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| 457 | { |
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| 458 | return facrange; |
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| 459 | } |
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| 460 | |
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| 461 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 462 | |
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| 463 | inline void G4VMultipleScattering::SetRangeFactor(G4double val) |
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| 464 | { |
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| 465 | if(val > 0.0) facrange = val; |
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| 466 | } |
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| 467 | |
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| 468 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 469 | |
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| 470 | inline G4double G4VMultipleScattering::GeomFactor() const |
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| 471 | { |
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| 472 | return facgeom; |
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| 473 | } |
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| 474 | |
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| 475 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 476 | |
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| 477 | inline void G4VMultipleScattering::SetGeomFactor(G4double val) |
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| 478 | { |
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| 479 | if(val > 0.0) facgeom = val; |
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| 480 | } |
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| 481 | |
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| 482 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 483 | |
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[961] | 484 | inline G4double G4VMultipleScattering::PolarAngleLimit() const |
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| 485 | { |
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| 486 | return polarAngleLimit; |
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| 487 | } |
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| 488 | |
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| 489 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 490 | |
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| 491 | inline void G4VMultipleScattering::SetPolarAngleLimit(G4double val) |
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| 492 | { |
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| 493 | if(val < 0.0) polarAngleLimit = 0.0; |
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| 494 | else if(val > pi) polarAngleLimit = pi; |
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| 495 | else polarAngleLimit = val; |
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| 496 | } |
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| 497 | |
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| 498 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 499 | |
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[819] | 500 | inline G4MscStepLimitType G4VMultipleScattering::StepLimitType() const |
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| 501 | { |
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| 502 | return stepLimit; |
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| 503 | } |
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| 504 | |
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| 505 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 506 | |
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| 507 | inline void G4VMultipleScattering::SetStepLimitType(G4MscStepLimitType val) |
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| 508 | { |
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| 509 | stepLimit = val; |
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[961] | 510 | if(val == fMinimal) facrange = 0.2; |
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[819] | 511 | } |
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| 512 | |
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| 513 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 514 | |
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[961] | 515 | inline |
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| 516 | G4double G4VMultipleScattering::GetLambda(const G4ParticleDefinition* p, |
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| 517 | G4double& e) |
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[819] | 518 | { |
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[961] | 519 | G4double x; |
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| 520 | if(theLambdaTable) { |
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| 521 | G4bool b; |
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| 522 | x = ((*theLambdaTable)[currentMaterialIndex])->GetValue(e, b); |
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| 523 | } else { |
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| 524 | x = currentModel->CrossSection(currentCouple,p,e); |
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| 525 | } |
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| 526 | if(x > DBL_MIN) x = 1./x; |
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| 527 | else x = DBL_MAX; |
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| 528 | return x; |
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[819] | 529 | } |
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| 530 | |
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| 531 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 532 | |
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[961] | 533 | inline G4double G4VMultipleScattering::GetMscContinuousStepLimit( |
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| 534 | const G4Track& track, |
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| 535 | G4double scaledKinEnergy, |
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| 536 | G4double currentMinimalStep, |
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| 537 | G4double&) |
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[819] | 538 | { |
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[961] | 539 | G4double x = currentMinimalStep; |
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| 540 | DefineMaterial(track.GetMaterialCutsCouple()); |
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| 541 | currentModel = SelectModel(scaledKinEnergy); |
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| 542 | if(x > 0.0 && scaledKinEnergy > 0.0) { |
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| 543 | G4double tPathLength = |
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| 544 | currentModel->ComputeTruePathLengthLimit(track, theLambdaTable, x); |
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| 545 | if (tPathLength < x) valueGPILSelectionMSC = CandidateForSelection; |
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| 546 | x = currentModel->ComputeGeomPathLength(tPathLength); |
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| 547 | // G4cout << "tPathLength= " << tPathLength |
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| 548 | // << " stepLimit= " << x |
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| 549 | // << " currentMinimalStep= " << currentMinimalStep<< G4endl; |
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| 550 | } |
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| 551 | return x; |
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[819] | 552 | } |
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| 553 | |
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| 554 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 555 | |
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[961] | 556 | inline |
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| 557 | void G4VMultipleScattering::DefineMaterial(const G4MaterialCutsCouple* couple) |
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[819] | 558 | { |
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[961] | 559 | if(couple != currentCouple) { |
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| 560 | currentCouple = couple; |
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| 561 | currentMaterialIndex = couple->GetIndex(); |
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| 562 | } |
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[819] | 563 | } |
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| 564 | |
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| 565 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 566 | |
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[961] | 567 | inline const G4MaterialCutsCouple* |
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| 568 | G4VMultipleScattering::CurrentMaterialCutsCouple() const |
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[819] | 569 | { |
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| 570 | return currentCouple; |
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| 571 | } |
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| 572 | |
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| 573 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 574 | |
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[961] | 575 | inline G4ParticleChangeForMSC* G4VMultipleScattering::GetParticleChange() |
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[819] | 576 | { |
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[961] | 577 | return &fParticleChange; |
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[819] | 578 | } |
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| 579 | |
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| 580 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 581 | |
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| 582 | #endif |
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