[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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[1055] | 26 | // $Id: G4VMultipleScattering.hh,v 1.56 2009/04/07 18:39:47 vnivanch Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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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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[1055] | 66 | // 07-04-09 Moved msc methods from G4VEmModel to G4VMscModel (VI) |
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[819] | 67 | // |
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| 68 | |
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| 69 | // ------------------------------------------------------------------- |
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| 70 | // |
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| 71 | |
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| 72 | #ifndef G4VMultipleScattering_h |
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| 73 | #define G4VMultipleScattering_h 1 |
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| 74 | |
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| 75 | #include "G4VContinuousDiscreteProcess.hh" |
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| 76 | #include "globals.hh" |
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| 77 | #include "G4Material.hh" |
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| 78 | #include "G4MaterialCutsCouple.hh" |
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| 79 | #include "G4ParticleChangeForMSC.hh" |
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| 80 | #include "G4Track.hh" |
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| 81 | #include "G4Step.hh" |
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| 82 | #include "G4EmModelManager.hh" |
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[1055] | 83 | #include "G4VMscModel.hh" |
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[819] | 84 | #include "G4MscStepLimitType.hh" |
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| 85 | |
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| 86 | class G4ParticleDefinition; |
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| 87 | class G4DataVector; |
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| 88 | class G4PhysicsTable; |
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| 89 | class G4PhysicsVector; |
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| 90 | |
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| 91 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 92 | |
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| 93 | class G4VMultipleScattering : public G4VContinuousDiscreteProcess |
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| 94 | { |
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| 95 | public: |
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| 96 | |
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| 97 | G4VMultipleScattering(const G4String& name = "msc", |
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[961] | 98 | G4ProcessType type = fElectromagnetic); |
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[819] | 99 | |
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| 100 | virtual ~G4VMultipleScattering(); |
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| 101 | |
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| 102 | //------------------------------------------------------------------------ |
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| 103 | // Virtual methods to be implemented for the concrete model |
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| 104 | //------------------------------------------------------------------------ |
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| 105 | |
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| 106 | virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0; |
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| 107 | |
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| 108 | virtual void PrintInfo() = 0; |
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| 109 | |
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| 110 | protected: |
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| 111 | |
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| 112 | virtual void InitialiseProcess(const G4ParticleDefinition*) = 0; |
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| 113 | |
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| 114 | public: |
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| 115 | |
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| 116 | //------------------------------------------------------------------------ |
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| 117 | // Generic methods common to all ContinuousDiscrete processes |
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| 118 | //------------------------------------------------------------------------ |
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| 119 | |
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| 120 | // Initialise for build of tables |
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| 121 | void PreparePhysicsTable(const G4ParticleDefinition&); |
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| 122 | |
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| 123 | // Build physics table during initialisation |
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| 124 | void BuildPhysicsTable(const G4ParticleDefinition&); |
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| 125 | |
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| 126 | // Print out of generic class parameters |
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| 127 | void PrintInfoDefinition(); |
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| 128 | |
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| 129 | G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&); |
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| 130 | |
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| 131 | G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&); |
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| 132 | |
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| 133 | // Store PhysicsTable in a file. |
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| 134 | // Return false in case of failure at I/O |
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| 135 | G4bool StorePhysicsTable(const G4ParticleDefinition*, |
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| 136 | const G4String& directory, |
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[961] | 137 | G4bool ascii = false); |
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[819] | 138 | |
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| 139 | // Retrieve Physics from a file. |
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| 140 | // (return true if the Physics Table can be build by using file) |
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| 141 | // (return false if the process has no functionality or in case of failure) |
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| 142 | // File name should is constructed as processName+particleName and the |
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| 143 | // should be placed under the directory specifed by the argument. |
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| 144 | G4bool RetrievePhysicsTable(const G4ParticleDefinition*, |
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| 145 | const G4String& directory, |
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[961] | 146 | G4bool ascii); |
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[819] | 147 | |
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| 148 | // The function overloads the corresponding function of the base |
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| 149 | // class.It limits the step near to boundaries only |
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| 150 | // and invokes the method GetMscContinuousStepLimit at every step. |
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[1055] | 151 | G4double AlongStepGetPhysicalInteractionLength( |
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[819] | 152 | const G4Track&, |
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[961] | 153 | G4double previousStepSize, |
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| 154 | G4double currentMinimalStep, |
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| 155 | G4double& currentSafety, |
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| 156 | G4GPILSelection* selection); |
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[819] | 157 | |
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| 158 | // The function overloads the corresponding function of the base |
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| 159 | // class. |
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| 160 | G4double PostStepGetPhysicalInteractionLength( |
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| 161 | const G4Track&, |
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| 162 | G4double previousStepSize, |
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| 163 | G4ForceCondition* condition); |
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| 164 | |
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| 165 | // This method does not used for tracking, it is intended only for tests |
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| 166 | inline G4double ContinuousStepLimit(const G4Track& track, |
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| 167 | G4double previousStepSize, |
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| 168 | G4double currentMinimalStep, |
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| 169 | G4double& currentSafety); |
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| 170 | |
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| 171 | //------------------------------------------------------------------------ |
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| 172 | // Specific methods to build and access Physics Tables |
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| 173 | //------------------------------------------------------------------------ |
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| 174 | |
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| 175 | // Build empty Physics Vector |
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| 176 | G4PhysicsVector* PhysicsVector(const G4MaterialCutsCouple*); |
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| 177 | |
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| 178 | inline void SetBinning(G4int nbins); |
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| 179 | inline G4int Binning() const; |
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| 180 | |
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| 181 | inline void SetMinKinEnergy(G4double e); |
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| 182 | inline G4double MinKinEnergy() const; |
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| 183 | |
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| 184 | inline void SetMaxKinEnergy(G4double e); |
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| 185 | inline G4double MaxKinEnergy() const; |
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| 186 | |
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| 187 | inline void SetBuildLambdaTable(G4bool val); |
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| 188 | |
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| 189 | inline G4PhysicsTable* LambdaTable() const; |
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| 190 | |
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[1055] | 191 | // access particle type |
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[819] | 192 | inline const G4ParticleDefinition* Particle() const; |
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| 193 | |
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| 194 | //------------------------------------------------------------------------ |
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| 195 | // Specific methods to set, access, modify models |
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| 196 | //------------------------------------------------------------------------ |
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| 197 | |
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[1055] | 198 | protected: |
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| 199 | // Select model in run time |
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| 200 | inline G4VEmModel* SelectModel(G4double kinEnergy); |
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[819] | 201 | |
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[1055] | 202 | public: |
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| 203 | // Select model in run time |
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[819] | 204 | inline G4VEmModel* SelectModelForMaterial(G4double kinEnergy, |
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| 205 | size_t& idxRegion) const; |
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| 206 | |
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[1055] | 207 | // Add model for region, smaller value of order defines which |
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| 208 | // model will be selected for a given energy interval |
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| 209 | void AddEmModel(G4int order, G4VEmModel*, const G4Region* region = 0); |
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[961] | 210 | |
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[1055] | 211 | // Access to models by index |
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| 212 | G4VEmModel* GetModelByIndex(G4int idx = 0, G4bool ver = false); |
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| 213 | |
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[819] | 214 | //------------------------------------------------------------------------ |
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[1055] | 215 | // Get/Set parameters for simulation of multiple scattering |
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[819] | 216 | //------------------------------------------------------------------------ |
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| 217 | |
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[1055] | 218 | inline G4bool LateralDisplasmentFlag() const; |
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[819] | 219 | inline void SetLateralDisplasmentFlag(G4bool val); |
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| 220 | |
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[1055] | 221 | inline G4double Skin() const; |
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[819] | 222 | inline void SetSkin(G4double val); |
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| 223 | |
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[1055] | 224 | inline G4double RangeFactor() const; |
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[819] | 225 | inline void SetRangeFactor(G4double val); |
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| 226 | |
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[1055] | 227 | inline G4double GeomFactor() const; |
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[819] | 228 | inline void SetGeomFactor(G4double val); |
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| 229 | |
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[1055] | 230 | inline G4double PolarAngleLimit() const; |
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[961] | 231 | inline void SetPolarAngleLimit(G4double val); |
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| 232 | |
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[1055] | 233 | inline G4MscStepLimitType StepLimitType() const; |
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[819] | 234 | inline void SetStepLimitType(G4MscStepLimitType val); |
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| 235 | |
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[1055] | 236 | //------------------------------------------------------------------------ |
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| 237 | // Run time methods |
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| 238 | //------------------------------------------------------------------------ |
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| 239 | |
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[819] | 240 | protected: |
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| 241 | |
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[1055] | 242 | // This method is not used for tracking, it returns mean free path value |
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[819] | 243 | G4double GetMeanFreePath(const G4Track& track, |
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| 244 | G4double, |
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| 245 | G4ForceCondition* condition); |
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| 246 | |
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| 247 | // This method is not used for tracking, it returns step limit |
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| 248 | G4double GetContinuousStepLimit(const G4Track& track, |
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| 249 | G4double previousStepSize, |
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| 250 | G4double currentMinimalStep, |
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| 251 | G4double& currentSafety); |
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| 252 | |
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[1055] | 253 | // This method returns inversed transport cross section |
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[961] | 254 | inline G4double GetLambda(const G4ParticleDefinition* p, |
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| 255 | G4double& kineticEnergy); |
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[819] | 256 | |
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| 257 | // This method is used for tracking, it returns step limit |
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| 258 | inline G4double GetMscContinuousStepLimit(const G4Track& track, |
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[961] | 259 | G4double scaledKinEnergy, |
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[819] | 260 | G4double currentMinimalStep, |
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| 261 | G4double& currentSafety); |
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| 262 | |
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[1055] | 263 | // defines current material in run time |
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| 264 | inline void DefineMaterial(const G4MaterialCutsCouple* couple); |
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[1007] | 265 | |
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| 266 | inline const G4MaterialCutsCouple* CurrentMaterialCutsCouple() const; |
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| 267 | |
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[961] | 268 | private: |
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[819] | 269 | |
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[961] | 270 | // hide assignment operator |
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| 271 | G4VMultipleScattering(G4VMultipleScattering &); |
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| 272 | G4VMultipleScattering & operator=(const G4VMultipleScattering &right); |
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[819] | 273 | |
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[961] | 274 | // ======== Parameters of the class fixed at construction ========= |
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[819] | 275 | |
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[961] | 276 | G4EmModelManager* modelManager; |
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| 277 | G4bool buildLambdaTable; |
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[819] | 278 | |
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[961] | 279 | // ======== Parameters of the class fixed at initialisation ======= |
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[819] | 280 | |
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[961] | 281 | G4PhysicsTable* theLambdaTable; |
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| 282 | const G4ParticleDefinition* firstParticle; |
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[819] | 283 | |
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[961] | 284 | G4MscStepLimitType stepLimit; |
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[819] | 285 | |
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[961] | 286 | G4double minKinEnergy; |
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| 287 | G4double maxKinEnergy; |
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| 288 | G4double skin; |
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| 289 | G4double facrange; |
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| 290 | G4double facgeom; |
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| 291 | G4double polarAngleLimit; |
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[819] | 292 | |
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[961] | 293 | G4int nBins; |
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[819] | 294 | |
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[961] | 295 | G4bool latDisplasment; |
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| 296 | |
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| 297 | // ======== Cashed values - may be state dependent ================ |
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| 298 | |
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[819] | 299 | protected: |
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| 300 | |
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| 301 | G4GPILSelection valueGPILSelectionMSC; |
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| 302 | G4ParticleChangeForMSC fParticleChange; |
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| 303 | |
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| 304 | private: |
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| 305 | |
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[1055] | 306 | G4VMscModel* currentModel; |
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[819] | 307 | |
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| 308 | // cache |
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| 309 | const G4ParticleDefinition* currentParticle; |
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| 310 | const G4MaterialCutsCouple* currentCouple; |
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| 311 | size_t currentMaterialIndex; |
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| 312 | |
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[961] | 313 | }; |
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[819] | 314 | |
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[961] | 315 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 316 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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[819] | 317 | |
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[1055] | 318 | inline G4double G4VMultipleScattering::ContinuousStepLimit( |
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| 319 | const G4Track& track, |
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| 320 | G4double previousStepSize, |
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| 321 | G4double currentMinimalStep, |
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| 322 | G4double& currentSafety) |
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[961] | 323 | { |
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[1055] | 324 | return GetMscContinuousStepLimit(track,previousStepSize,currentMinimalStep, |
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| 325 | currentSafety); |
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[961] | 326 | } |
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[819] | 327 | |
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[961] | 328 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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[819] | 329 | |
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[1055] | 330 | inline void G4VMultipleScattering::SetBinning(G4int nbins) |
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[961] | 331 | { |
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[1055] | 332 | nBins = nbins; |
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[961] | 333 | } |
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| 334 | |
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[819] | 335 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 336 | |
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[1055] | 337 | inline G4int G4VMultipleScattering::Binning() const |
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[819] | 338 | { |
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[1055] | 339 | return nBins; |
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[819] | 340 | } |
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| 341 | |
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| 342 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 343 | |
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[1055] | 344 | inline void G4VMultipleScattering::SetMinKinEnergy(G4double e) |
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[819] | 345 | { |
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[1055] | 346 | minKinEnergy = e; |
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[819] | 347 | } |
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| 348 | |
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| 349 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 350 | |
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[1055] | 351 | inline G4double G4VMultipleScattering::MinKinEnergy() const |
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[819] | 352 | { |
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[1055] | 353 | return minKinEnergy; |
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[819] | 354 | } |
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| 355 | |
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| 356 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 357 | |
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[1055] | 358 | inline void G4VMultipleScattering::SetMaxKinEnergy(G4double e) |
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[819] | 359 | { |
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[1055] | 360 | maxKinEnergy = e; |
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[819] | 361 | } |
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| 362 | |
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| 363 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 364 | |
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[1055] | 365 | inline G4double G4VMultipleScattering::MaxKinEnergy() const |
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[819] | 366 | { |
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[1055] | 367 | return maxKinEnergy; |
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[819] | 368 | } |
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| 369 | |
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| 370 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 371 | |
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[1055] | 372 | inline void G4VMultipleScattering::SetBuildLambdaTable(G4bool val) |
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[819] | 373 | { |
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[1055] | 374 | buildLambdaTable = val; |
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[819] | 375 | } |
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| 376 | |
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| 377 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 378 | |
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[1055] | 379 | inline G4PhysicsTable* G4VMultipleScattering::LambdaTable() const |
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[819] | 380 | { |
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[1055] | 381 | return theLambdaTable; |
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[819] | 382 | } |
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| 383 | |
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| 384 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 385 | |
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[1055] | 386 | inline const G4ParticleDefinition* G4VMultipleScattering::Particle() const |
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[819] | 387 | { |
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[1055] | 388 | return currentParticle; |
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[819] | 389 | } |
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| 390 | |
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| 391 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 392 | |
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[1055] | 393 | inline G4VEmModel* G4VMultipleScattering::SelectModel(G4double kinEnergy) |
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[819] | 394 | { |
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[1055] | 395 | return modelManager->SelectModel(kinEnergy, currentMaterialIndex); |
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[819] | 396 | } |
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| 397 | |
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| 398 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 399 | |
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[1055] | 400 | inline G4VEmModel* G4VMultipleScattering::SelectModelForMaterial( |
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| 401 | G4double kinEnergy, size_t& idxRegion) const |
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[819] | 402 | { |
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[1055] | 403 | return modelManager->SelectModel(kinEnergy, idxRegion); |
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[819] | 404 | } |
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| 405 | |
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| 406 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 407 | |
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[1007] | 408 | inline G4bool G4VMultipleScattering::LateralDisplasmentFlag() const |
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[819] | 409 | { |
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[1007] | 410 | return latDisplasment; |
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[819] | 411 | } |
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| 412 | |
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| 413 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 414 | |
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[1007] | 415 | inline void G4VMultipleScattering::SetLateralDisplasmentFlag(G4bool val) |
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[819] | 416 | { |
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[1007] | 417 | latDisplasment = val; |
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[819] | 418 | } |
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| 419 | |
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| 420 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 421 | |
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| 422 | inline G4double G4VMultipleScattering::Skin() const |
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| 423 | { |
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| 424 | return skin; |
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| 425 | } |
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| 426 | |
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| 427 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 428 | |
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| 429 | inline void G4VMultipleScattering::SetSkin(G4double val) |
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| 430 | { |
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[961] | 431 | if(val < 1.0) skin = 0.0; |
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| 432 | else skin = val; |
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[819] | 433 | } |
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| 434 | |
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| 435 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 436 | |
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| 437 | inline G4double G4VMultipleScattering::RangeFactor() const |
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| 438 | { |
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| 439 | return facrange; |
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| 440 | } |
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| 441 | |
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| 442 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 443 | |
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| 444 | inline void G4VMultipleScattering::SetRangeFactor(G4double val) |
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| 445 | { |
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| 446 | if(val > 0.0) facrange = val; |
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| 447 | } |
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| 448 | |
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| 449 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 450 | |
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| 451 | inline G4double G4VMultipleScattering::GeomFactor() const |
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| 452 | { |
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| 453 | return facgeom; |
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| 454 | } |
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| 455 | |
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| 456 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 457 | |
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| 458 | inline void G4VMultipleScattering::SetGeomFactor(G4double val) |
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| 459 | { |
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| 460 | if(val > 0.0) facgeom = val; |
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| 461 | } |
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| 462 | |
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| 463 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 464 | |
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[961] | 465 | inline G4double G4VMultipleScattering::PolarAngleLimit() const |
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| 466 | { |
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| 467 | return polarAngleLimit; |
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| 468 | } |
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| 469 | |
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| 470 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 471 | |
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| 472 | inline void G4VMultipleScattering::SetPolarAngleLimit(G4double val) |
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| 473 | { |
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| 474 | if(val < 0.0) polarAngleLimit = 0.0; |
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| 475 | else if(val > pi) polarAngleLimit = pi; |
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| 476 | else polarAngleLimit = val; |
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| 477 | } |
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| 478 | |
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| 479 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 480 | |
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[819] | 481 | inline G4MscStepLimitType G4VMultipleScattering::StepLimitType() const |
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| 482 | { |
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| 483 | return stepLimit; |
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| 484 | } |
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| 485 | |
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| 486 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 487 | |
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| 488 | inline void G4VMultipleScattering::SetStepLimitType(G4MscStepLimitType val) |
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| 489 | { |
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| 490 | stepLimit = val; |
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[961] | 491 | if(val == fMinimal) facrange = 0.2; |
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[819] | 492 | } |
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| 493 | |
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| 494 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 495 | |
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[1055] | 496 | inline |
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| 497 | G4double G4VMultipleScattering::GetLambda(const G4ParticleDefinition* p, |
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| 498 | G4double& e) |
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[819] | 499 | { |
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[1055] | 500 | G4double x; |
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| 501 | if(theLambdaTable) { |
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| 502 | G4bool b; |
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| 503 | x = ((*theLambdaTable)[currentMaterialIndex])->GetValue(e, b); |
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| 504 | } else { |
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| 505 | x = currentModel->CrossSection(currentCouple,p,e); |
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| 506 | } |
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| 507 | if(x > DBL_MIN) x = 1./x; |
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| 508 | else x = DBL_MAX; |
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| 509 | return x; |
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[819] | 510 | } |
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| 511 | |
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| 512 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 513 | |
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[1055] | 514 | inline G4double G4VMultipleScattering::GetMscContinuousStepLimit( |
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| 515 | const G4Track& track, |
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| 516 | G4double scaledKinEnergy, |
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| 517 | G4double currentMinimalStep, |
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| 518 | G4double&) |
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[819] | 519 | { |
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[1055] | 520 | G4double x = currentMinimalStep; |
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| 521 | DefineMaterial(track.GetMaterialCutsCouple()); |
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| 522 | currentModel = static_cast<G4VMscModel*>(SelectModel(scaledKinEnergy)); |
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| 523 | if(x > 0.0 && scaledKinEnergy > 0.0) { |
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| 524 | G4double tPathLength = |
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| 525 | currentModel->ComputeTruePathLengthLimit(track, theLambdaTable, x); |
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| 526 | if (tPathLength < x) valueGPILSelectionMSC = CandidateForSelection; |
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| 527 | x = currentModel->ComputeGeomPathLength(tPathLength); |
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| 528 | // G4cout << "tPathLength= " << tPathLength |
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| 529 | // << " stepLimit= " << x |
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| 530 | // << " currentMinimalStep= " << currentMinimalStep<< G4endl; |
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| 531 | } |
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| 532 | return x; |
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[819] | 533 | } |
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| 534 | |
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| 535 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 536 | |
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[1055] | 537 | inline |
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| 538 | void G4VMultipleScattering::DefineMaterial(const G4MaterialCutsCouple* couple) |
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[819] | 539 | { |
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[1055] | 540 | if(couple != currentCouple) { |
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| 541 | currentCouple = couple; |
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| 542 | currentMaterialIndex = couple->GetIndex(); |
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| 543 | } |
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[819] | 544 | } |
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| 545 | |
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| 546 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 547 | |
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[1055] | 548 | inline const G4MaterialCutsCouple* |
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| 549 | G4VMultipleScattering::CurrentMaterialCutsCouple() const |
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[819] | 550 | { |
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| 551 | return currentCouple; |
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| 552 | } |
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| 553 | |
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| 554 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 555 | |
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| 556 | #endif |
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