source: trunk/source/processes/electromagnetic/standard/include/G4PAIPhotonModel.hh@ 966

Last change on this file since 966 was 961, checked in by garnier, 17 years ago

update processes
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[819]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//
[961]26// $Id: G4PAIPhotonModel.hh,v 1.12 2009/02/19 19:17:50 vnivanch Exp $
27// GEANT4 tag $Name: geant4-09-02-ref-02 $
[819]28//
29// -------------------------------------------------------------------
30//
31// GEANT4 Class header file
32//
33//
34// File name: G4PAIPhotonModel
35//
36// Author: V. Grichine based on Vladimir Ivanchenko code
37//
38// Creation date: 05.10.2003
39//
40// Modifications:
41// 11.04.05 Major optimisation of internal interfaces (V.Ivantchenko)
42// 26-09-07 Fixed tmax computation (V.Ivantchenko)
43//
44//
45// Class Description:
46//
47// Implementation of PAI model of energy loss and
48// delta-electron production by heavy charged particles
49
50// -------------------------------------------------------------------
51//
52
53#ifndef G4PAIPhotonModel_h
54#define G4PAIPhotonModel_h 1
55
56#include <vector>
57#include "G4VEmModel.hh"
58#include "globals.hh"
59#include "G4VEmFluctuationModel.hh"
60
61class G4PhysicsLogVector;
62class G4PhysicsTable;
63class G4Region;
64class G4MaterialCutsCouple;
65class G4ParticleChangeForLoss;
66
67class G4PAIPhotonModel : public G4VEmModel, public G4VEmFluctuationModel
68{
69
70public:
71
[961]72 G4PAIPhotonModel(const G4ParticleDefinition* p = 0, const G4String& nam = "PAIPhoton");
[819]73
74 virtual ~G4PAIPhotonModel();
75
76 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
77
[961]78 virtual void InitialiseMe(const G4ParticleDefinition*);
[819]79
[961]80 virtual G4double ComputeDEDXPerVolume(const G4Material*,
81 const G4ParticleDefinition*,
82 G4double kineticEnergy,
83 G4double cutEnergy);
[819]84
[961]85 virtual G4double CrossSectionPerVolume(const G4Material*,
86 const G4ParticleDefinition*,
87 G4double kineticEnergy,
88 G4double cutEnergy,
89 G4double maxEnergy);
[819]90
91 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
92 const G4MaterialCutsCouple*,
93 const G4DynamicParticle*,
94 G4double tmin,
95 G4double maxEnergy);
96
97 virtual G4double SampleFluctuations(const G4Material*,
98 const G4DynamicParticle*,
99 G4double&,
100 G4double&,
101 G4double&);
102
103 virtual G4double Dispersion( const G4Material*,
104 const G4DynamicParticle*,
105 G4double&,
106 G4double&);
107
108 void DefineForRegion(const G4Region* r) ;
109 void ComputeSandiaPhotoAbsCof();
110 void BuildPAIonisationTable();
111 void BuildLambdaVector(const G4MaterialCutsCouple* matCutsCouple);
112
113 G4double GetdNdxCut( G4int iPlace, G4double transferCut);
114 G4double GetdNdxPhotonCut( G4int iPlace, G4double transferCut);
115 G4double GetdNdxPlasmonCut( G4int iPlace, G4double transferCut);
116
117 G4double GetdEdxCut( G4int iPlace, G4double transferCut);
118
119 G4double GetPostStepTransfer(G4PhysicsTable*, G4PhysicsLogVector*,
120 G4int iPlace, G4double scaledTkin );
121 G4double GetAlongStepTransfer(G4PhysicsTable*, G4PhysicsLogVector*,
122 G4int iPlace, G4double scaledTkin,G4double step, G4double cof );
123 G4double GetEnergyTransfer(G4PhysicsTable*, G4int iPlace,
124 G4double position, G4int iTransfer );
125
126protected:
127
128 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
[961]129 G4double kinEnergy);
[819]130
131private:
132
133 void SetParticle(const G4ParticleDefinition* p);
134
135 // hide assignment operator
136 G4PAIPhotonModel & operator=(const G4PAIPhotonModel &right);
137 G4PAIPhotonModel(const G4PAIPhotonModel&);
138
139 // The vector over proton kinetic energies: the range of gammas
140
141 G4double fLowestKineticEnergy;
142 G4double fHighestKineticEnergy;
143 G4int fTotBin;
144 G4int fMeanNumber;
145 G4int fVerbose;
146 G4PhysicsLogVector* fProtonEnergyVector ;
147
148 // vectors
149
150 G4PhysicsTable* fPAItransferTable;
151 std::vector<G4PhysicsTable*> fPAIxscBank;
152
153 G4PhysicsTable* fPAIphotonTable;
154 std::vector<G4PhysicsTable*> fPAIphotonBank;
155
156 G4PhysicsTable* fPAIplasmonTable;
157 std::vector<G4PhysicsTable*> fPAIplasmonBank;
158
159 G4PhysicsTable* fPAIdEdxTable;
160 std::vector<G4PhysicsTable*> fPAIdEdxBank;
161
162 std::vector<const G4MaterialCutsCouple*> fMaterialCutsCoupleVector;
163 std::vector<const G4Region*> fPAIRegionVector;
164
165 size_t fMatIndex ;
166 G4double** fSandiaPhotoAbsCof ;
167 G4int fSandiaIntervalNumber ;
168
169 G4PhysicsLogVector* fdEdxVector ;
170 std::vector<G4PhysicsLogVector*> fdEdxTable ;
171
172 G4PhysicsLogVector* fLambdaVector ;
173 std::vector<G4PhysicsLogVector*> fLambdaTable ;
174
175 G4PhysicsLogVector* fdNdxCutVector ;
176 std::vector<G4PhysicsLogVector*> fdNdxCutTable ;
177
178 G4PhysicsLogVector* fdNdxCutPhotonVector ;
179 std::vector<G4PhysicsLogVector*> fdNdxCutPhotonTable ;
180
181 G4PhysicsLogVector* fdNdxCutPlasmonVector ;
182 std::vector<G4PhysicsLogVector*> fdNdxCutPlasmonTable ;
183
184
185 const G4ParticleDefinition* fParticle;
186 const G4ParticleDefinition* fElectron;
187 const G4ParticleDefinition* fPositron;
188 G4ParticleChangeForLoss* fParticleChange;
189
190 G4double fMass;
191 G4double fSpin;
192 G4double fChargeSquare;
193 G4double fRatio;
194 G4double fHighKinEnergy;
195 G4double fLowKinEnergy;
196 G4double fTwoln10;
197 G4double fBg2lim;
198 G4double fTaulim;
199 G4double fQc;
200
201 G4bool isInitialised;
202};
203
204#endif
205
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