| 1 | //
|
|---|
| 2 | // ********************************************************************
|
|---|
| 3 | // * License and Disclaimer *
|
|---|
| 4 | // * *
|
|---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
|
|---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
|
|---|
| 7 | // * conditions of the Geant4 Software License, included in the file *
|
|---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
|
|---|
| 9 | // * include a list of copyright holders. *
|
|---|
| 10 | // * *
|
|---|
| 11 | // * Neither the authors of this software system, nor their employing *
|
|---|
| 12 | // * institutes,nor the agencies providing financial support for this *
|
|---|
| 13 | // * work make any representation or warranty, express or implied, *
|
|---|
| 14 | // * regarding this software system or assume any liability for its *
|
|---|
| 15 | // * use. Please see the license in the file LICENSE and URL above *
|
|---|
| 16 | // * for the full disclaimer and the limitation of liability. *
|
|---|
| 17 | // * *
|
|---|
| 18 | // * This code implementation is the result of the scientific and *
|
|---|
| 19 | // * technical work of the GEANT4 collaboration. *
|
|---|
| 20 | // * By using, copying, modifying or distributing the software (or *
|
|---|
| 21 | // * any work based on the software) you agree to acknowledge its *
|
|---|
| 22 | // * use in resulting scientific publications, and indicate your *
|
|---|
| 23 | // * acceptance of all terms of the Geant4 Software license. *
|
|---|
| 24 | // ********************************************************************
|
|---|
| 25 | //
|
|---|
| 26 | //
|
|---|
| 27 | // $Id: G4VTransitionRadiation.hh,v 1.3 2006/06/29 19:55:53 gunter Exp $
|
|---|
| 28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
|
|---|
| 29 | //
|
|---|
| 30 | // G4VTransitionRadiation -- header file
|
|---|
| 31 | //
|
|---|
| 32 | // Generic process of transition radiation
|
|---|
| 33 | //
|
|---|
| 34 | // History:
|
|---|
| 35 | // 29.02.04, V.Ivanchenko created
|
|---|
| 36 | // 28.07.05, P.Gumplinger add G4ProcessType to constructor
|
|---|
| 37 |
|
|---|
| 38 | #ifndef G4VTransitionRadiation_h
|
|---|
| 39 | #define G4VTransitionRadiation_h
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | #include "G4VDiscreteProcess.hh"
|
|---|
| 43 | #include "G4Track.hh"
|
|---|
| 44 | #include "G4ForceCondition.hh"
|
|---|
| 45 | #include "globals.hh"
|
|---|
| 46 | #include <vector>
|
|---|
| 47 |
|
|---|
| 48 | class G4Material;
|
|---|
| 49 | class G4Region;
|
|---|
| 50 | class G4VTRModel;
|
|---|
| 51 | class G4particleDefinition;
|
|---|
| 52 |
|
|---|
| 53 | class G4VTransitionRadiation : public G4VDiscreteProcess
|
|---|
| 54 | {
|
|---|
| 55 | public:
|
|---|
| 56 |
|
|---|
| 57 | // Constructors
|
|---|
| 58 | G4VTransitionRadiation( const G4String& processName = "TR",
|
|---|
| 59 | G4ProcessType type = fElectromagnetic);
|
|---|
| 60 |
|
|---|
| 61 |
|
|---|
| 62 | // Destructor
|
|---|
| 63 | virtual ~G4VTransitionRadiation() ;
|
|---|
| 64 |
|
|---|
| 65 | virtual G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
|
|---|
| 66 |
|
|---|
| 67 | virtual G4double GetMeanFreePath(const G4Track& track, G4double,
|
|---|
| 68 | G4ForceCondition* condition);
|
|---|
| 69 |
|
|---|
| 70 | virtual G4VParticleChange* PostStepDoIt(const G4Track& track,
|
|---|
| 71 | const G4Step& step);
|
|---|
| 72 |
|
|---|
| 73 | virtual void PrintInfoDefinition();
|
|---|
| 74 | // Print out of the class parameters
|
|---|
| 75 |
|
|---|
| 76 | void SetRegion(const G4Region* reg);
|
|---|
| 77 |
|
|---|
| 78 | void SetModel(G4VTRModel* m);
|
|---|
| 79 |
|
|---|
| 80 | // private :
|
|---|
| 81 |
|
|---|
| 82 | void Clear();
|
|---|
| 83 |
|
|---|
| 84 | // hide assignment operator
|
|---|
| 85 | G4VTransitionRadiation & operator=(const G4VTransitionRadiation &right);
|
|---|
| 86 | G4VTransitionRadiation(const G4VTransitionRadiation&);
|
|---|
| 87 |
|
|---|
| 88 | std::vector<const G4Material*> materials;
|
|---|
| 89 | std::vector<G4double> steps;
|
|---|
| 90 | std::vector<G4ThreeVector> normals;
|
|---|
| 91 |
|
|---|
| 92 | G4ThreeVector startingPosition;
|
|---|
| 93 | G4ThreeVector startingDirection;
|
|---|
| 94 | const G4Region* region;
|
|---|
| 95 | G4VTRModel* model;
|
|---|
| 96 |
|
|---|
| 97 | G4int nSteps;
|
|---|
| 98 |
|
|---|
| 99 | G4double gammaMin;
|
|---|
| 100 | G4double cosDThetaMax;
|
|---|
| 101 |
|
|---|
| 102 | };
|
|---|
| 103 |
|
|---|
| 104 | inline G4double G4VTransitionRadiation::GetMeanFreePath(
|
|---|
| 105 | const G4Track& track, G4double,
|
|---|
| 106 | G4ForceCondition* condition)
|
|---|
| 107 | {
|
|---|
| 108 | if(nSteps > 0) {
|
|---|
| 109 | *condition = StronglyForced;
|
|---|
| 110 | } else {
|
|---|
| 111 | *condition = NotForced;
|
|---|
| 112 | if(track.GetKineticEnergy()/track.GetDefinition()->GetPDGMass() + 1.0 > gammaMin &&
|
|---|
| 113 | track.GetVolume()->GetLogicalVolume()->GetRegion() == region) {
|
|---|
| 114 | *condition = StronglyForced;
|
|---|
| 115 | }
|
|---|
| 116 | }
|
|---|
| 117 | return DBL_MAX; // so TR doesn't limit mean free path
|
|---|
| 118 | }
|
|---|
| 119 |
|
|---|
| 120 |
|
|---|
| 121 | #endif // G4VTransitionRadiation_h
|
|---|
