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 | // |
---|
28 | // This is the top level Hadronic Process class |
---|
29 | // The inelastic, elastic, capture, and fission processes |
---|
30 | // should derive from this class |
---|
31 | // This is an abstract base class, since the pure virtual function |
---|
32 | // PostStepDoIt has not been defined yet. |
---|
33 | // Note: there is no .cc file |
---|
34 | // |
---|
35 | // original by H.P.Wellisch |
---|
36 | // J.L. Chuma, TRIUMF, 10-Mar-1997 |
---|
37 | // Last modified: 04-Apr-1997 |
---|
38 | |
---|
39 | #ifndef G4HadronicProcess_h |
---|
40 | #define G4HadronicProcess_h 1 |
---|
41 | |
---|
42 | #include "globals.hh" |
---|
43 | #include "G4VDiscreteProcess.hh" |
---|
44 | #include "G4EnergyRangeManager.hh" |
---|
45 | #include "G4Nucleus.hh" |
---|
46 | #include "G4ReactionProduct.hh" |
---|
47 | #include <vector> |
---|
48 | #include "G4VIsotopeProduction.hh" |
---|
49 | #include "G4IsoParticleChange.hh" |
---|
50 | #include "G4VCrossSectionDataSet.hh" |
---|
51 | #include "G4VLeadingParticleBiasing.hh" |
---|
52 | #include "G4Delete.hh" |
---|
53 | #include "G4CrossSectionDataStore.hh" |
---|
54 | #include "G4HadronicException.hh" |
---|
55 | |
---|
56 | |
---|
57 | class G4Track; |
---|
58 | class G4Step; |
---|
59 | class G4Element; |
---|
60 | class G4ParticleChange; |
---|
61 | |
---|
62 | class G4HadronicProcess : public G4VDiscreteProcess |
---|
63 | { |
---|
64 | public: |
---|
65 | |
---|
66 | G4HadronicProcess( const G4String &processName = "Hadronic", |
---|
67 | G4ProcessType aType = fHadronic ); |
---|
68 | virtual ~G4HadronicProcess(); |
---|
69 | |
---|
70 | void RegisterMe( G4HadronicInteraction *a ); |
---|
71 | |
---|
72 | void AddDataSet(G4VCrossSectionDataSet * aDataSet) |
---|
73 | { |
---|
74 | theCrossSectionDataStore->AddDataSet(aDataSet); |
---|
75 | } |
---|
76 | |
---|
77 | virtual G4VParticleChange *PostStepDoIt( const G4Track &aTrack, |
---|
78 | const G4Step &aStep ) = 0; |
---|
79 | |
---|
80 | virtual |
---|
81 | G4double GetMicroscopicCrossSection(const G4DynamicParticle *aParticle, |
---|
82 | const G4Element *anElement, |
---|
83 | G4double aTemp ) = 0; |
---|
84 | |
---|
85 | G4double GetMeanFreePath(const G4Track &aTrack, G4double, |
---|
86 | G4ForceCondition *); |
---|
87 | |
---|
88 | // Set methods for isotope production |
---|
89 | |
---|
90 | static void EnableIsotopeProductionGlobally(); |
---|
91 | static void DisableIsotopeProductionGlobally(); |
---|
92 | |
---|
93 | void EnableIsotopeCounting() {isoIsOnAnyway = 1;} |
---|
94 | void DisableIsotopeCounting() {isoIsOnAnyway = -1;} |
---|
95 | |
---|
96 | void RegisterIsotopeProductionModel(G4VIsotopeProduction * aModel) |
---|
97 | { theProductionModels.push_back(aModel); } |
---|
98 | |
---|
99 | static G4IsoParticleChange * GetIsotopeProductionInfo() |
---|
100 | { |
---|
101 | G4IsoParticleChange * anIsoResult = theIsoResult; |
---|
102 | if(theIsoResult) theOldIsoResult = theIsoResult; |
---|
103 | theIsoResult = 0; |
---|
104 | return anIsoResult; |
---|
105 | } |
---|
106 | |
---|
107 | void BiasCrossSectionByFactor(G4double aScale) |
---|
108 | { |
---|
109 | xBiasOn = true; |
---|
110 | aScaleFactor = aScale; |
---|
111 | G4String it = GetProcessName(); |
---|
112 | if( (it != "PhotonInelastic") && |
---|
113 | (it != "ElectroNuclear") && |
---|
114 | (it != "PositronNuclear") ) |
---|
115 | { |
---|
116 | G4Exception("G4HadronicProcess", "007", FatalException, |
---|
117 | "Cross-section biasing available only for gamma and electro nuclear reactions."); |
---|
118 | } |
---|
119 | if(aScale<100) |
---|
120 | { |
---|
121 | G4Exception("G4HadronicProcess", "001", JustWarning, |
---|
122 | "Cross-section bias readjusted to be above safe limit. New value is 100"); |
---|
123 | aScaleFactor = 100.; |
---|
124 | } |
---|
125 | } |
---|
126 | |
---|
127 | protected: |
---|
128 | |
---|
129 | virtual void ResetNumberOfInteractionLengthLeft() |
---|
130 | { |
---|
131 | G4VProcess::theNumberOfInteractionLengthLeft = |
---|
132 | -std::log( G4UniformRand() ); |
---|
133 | theInitialNumberOfInteractionLength = |
---|
134 | G4VProcess::theNumberOfInteractionLengthLeft; |
---|
135 | } |
---|
136 | |
---|
137 | G4VParticleChange *GeneralPostStepDoIt( const G4Track &aTrack, |
---|
138 | const G4Step &aStep ); |
---|
139 | |
---|
140 | void SetDispatch( G4HadronicProcess *value ) |
---|
141 | { dispatch=value; } |
---|
142 | |
---|
143 | G4Element* ChooseAandZ(const G4DynamicParticle *aParticle, |
---|
144 | const G4Material *aMaterial); |
---|
145 | |
---|
146 | inline const G4EnergyRangeManager &GetEnergyRangeManager() const |
---|
147 | { return theEnergyRangeManager; } |
---|
148 | |
---|
149 | inline void SetEnergyRangeManager( const G4EnergyRangeManager &value ) |
---|
150 | { theEnergyRangeManager = value; } |
---|
151 | |
---|
152 | inline G4HadronicInteraction *ChooseHadronicInteraction( |
---|
153 | G4double kineticEnergy, G4Material *aMaterial, G4Element *anElement ) |
---|
154 | { |
---|
155 | G4EnergyRangeManager* ERMan = GetManagerPointer(); |
---|
156 | if(!ERMan->GetHadronicInteractionCounter()) |
---|
157 | G4cout<< "*G4HadronicProcess::ChooseHadronicInteraction: process = " |
---|
158 | << GetProcessName() << ", nM=" |
---|
159 | << ERMan->GetHadronicInteractionCounter() << G4endl; |
---|
160 | return ERMan->GetHadronicInteraction(kineticEnergy,aMaterial,anElement); |
---|
161 | } |
---|
162 | |
---|
163 | inline G4HadronicInteraction *GetHadronicInteraction() |
---|
164 | { return theInteraction; } |
---|
165 | |
---|
166 | public: |
---|
167 | inline G4EnergyRangeManager *GetManagerPointer() |
---|
168 | { return &theEnergyRangeManager; } |
---|
169 | protected: |
---|
170 | |
---|
171 | G4CrossSectionDataStore* GetCrossSectionDataStore() |
---|
172 | { |
---|
173 | return theCrossSectionDataStore; |
---|
174 | } |
---|
175 | |
---|
176 | G4double GetLastCrossSection() {return theLastCrossSection;} |
---|
177 | private: |
---|
178 | |
---|
179 | G4HadFinalState * DoIsotopeCounting(G4HadFinalState * aResult, |
---|
180 | const G4Track & aTrack, |
---|
181 | const G4Nucleus & aNucleus); |
---|
182 | |
---|
183 | G4IsoResult * ExtractResidualNucleus(const G4Track & aTrack, |
---|
184 | const G4Nucleus & aNucleus, |
---|
185 | G4HadFinalState * aResult); |
---|
186 | |
---|
187 | G4double GetTotalNumberOfInteractionLengthTraversed() |
---|
188 | { |
---|
189 | return theInitialNumberOfInteractionLength |
---|
190 | -G4VProcess::theNumberOfInteractionLengthLeft; |
---|
191 | } |
---|
192 | |
---|
193 | |
---|
194 | void FillTotalResult(G4HadFinalState * aR, const G4Track & aT); |
---|
195 | |
---|
196 | void SetCrossSectionDataStore(G4CrossSectionDataStore* aDataStore) |
---|
197 | { |
---|
198 | theCrossSectionDataStore = aDataStore; |
---|
199 | } |
---|
200 | |
---|
201 | G4double XBiasSurvivalProbability(); |
---|
202 | G4double XBiasSecondaryWeight(); |
---|
203 | |
---|
204 | private: |
---|
205 | |
---|
206 | G4EnergyRangeManager theEnergyRangeManager; |
---|
207 | |
---|
208 | G4HadronicInteraction *theInteraction; |
---|
209 | |
---|
210 | G4CrossSectionDataStore* theCrossSectionDataStore; |
---|
211 | |
---|
212 | G4Nucleus targetNucleus; |
---|
213 | |
---|
214 | G4HadronicProcess *dispatch; |
---|
215 | |
---|
216 | // swiches for isotope production |
---|
217 | |
---|
218 | static G4bool isoIsEnabled; // true or false; local swich overrides |
---|
219 | G4int isoIsOnAnyway; // true(1), false(-1) or default(0) |
---|
220 | |
---|
221 | G4IsoParticleChange theIsoPC; |
---|
222 | std::vector<G4VIsotopeProduction *> theProductionModels; |
---|
223 | |
---|
224 | std::vector<G4VLeadingParticleBiasing *> theBias; |
---|
225 | |
---|
226 | static G4IsoParticleChange* theIsoResult; |
---|
227 | static G4IsoParticleChange* theOldIsoResult; |
---|
228 | |
---|
229 | G4ParticleChange* theTotalResult; |
---|
230 | |
---|
231 | G4double theInitialNumberOfInteractionLength; |
---|
232 | |
---|
233 | G4double aScaleFactor; |
---|
234 | G4bool xBiasOn; |
---|
235 | G4double theLastCrossSection; |
---|
236 | |
---|
237 | G4int ModelingState; |
---|
238 | }; |
---|
239 | |
---|
240 | #endif |
---|
241 | |
---|