| 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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| 26 | // Class description:
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| 27 | //
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| 28 | // Description: Continuous Process to calculate energy loss without
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| 29 | // fluctuations through G4EnergyLossForExtrapolator
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| 30 |
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| 31 | // History:
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| 32 | // Created: 2007-05-12
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| 33 | // Author: Pedro Arce
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| 34 | //
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| 35 | // Modified:
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| 36 | //
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| 37 |
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| 38 | #ifndef G4ErrorEnergyLoss_hh
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| 39 | #define G4ErrorEnergyLoss_hh
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| 40 |
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| 41 | #include "globals.hh"
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| 42 | #include "G4VContinuousProcess.hh"
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| 43 | #include "G4ProcessType.hh"
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| 44 |
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| 45 | class G4EnergyLossForExtrapolator;
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| 46 |
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| 47 | class G4ErrorEnergyLoss : public G4VContinuousProcess
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| 48 | {
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| 49 |
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| 50 | public:
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| 51 |
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| 52 | G4ErrorEnergyLoss(const G4String& processName = "G4ErrorEnergyLoss",
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| 53 | G4ProcessType type = fElectromagnetic);
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| 54 |
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| 55 | virtual ~G4ErrorEnergyLoss();
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| 56 |
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| 57 |
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| 58 | G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
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| 59 | // Returns true -> 'is applicable', for all charged particles.
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| 60 |
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| 61 | G4double GetContinuousStepLimit(const G4Track& aTrack,
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| 62 | G4double ,
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| 63 | G4double currentMinimumStep,
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| 64 | G4double& );
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| 65 | // Returns DBL_MAX as continuous step limit
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| 66 |
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| 67 | G4VParticleChange* AlongStepDoIt(const G4Track& aTrack,
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| 68 | const G4Step& aStep);
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| 69 | // This is the method implementing the energy loss process.
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| 70 |
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| 71 | // Get and Set methods
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| 72 | G4double GetStepLimit() const { return theStepLimit; }
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| 73 | void SetStepLimit( G4double val ) { theStepLimit = val; }
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| 74 |
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| 75 | private:
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| 76 |
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| 77 | void InstantiateEforExtrapolator();
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| 78 | // Create the G4EnergyLossForExtrapolator
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| 79 |
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| 80 | private:
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| 81 | G4EnergyLossForExtrapolator* theELossForExtrapolator;
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| 82 |
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| 83 | G4double theStepLimit;
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| 84 | };
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| 85 |
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| 86 | ////////////////////
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| 87 | // Inline methods
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| 88 | ////////////////////
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| 89 |
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| 90 | inline
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| 91 | G4bool G4ErrorEnergyLoss::IsApplicable(const G4ParticleDefinition& aParticleType)
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| 92 | {
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| 93 | return (aParticleType.GetPDGCharge() != 0);
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| 94 | }
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| 95 |
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| 96 | #endif /* G4ErrorEnergyLoss_hh */
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