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27 // 27 //
28 // =========================================== 28 // ===========================================================================
29 // GEANT4 class source file 29 // GEANT4 class source file
30 // 30 //
31 // Class: G4IonDEDXScalingICRU7 31 // Class: G4IonDEDXScalingICRU73
32 // 32 //
33 // Base class: G4VIonDEDXScalingAlgo 33 // Base class: G4VIonDEDXScalingAlgorithm
34 // 34 //
35 // Author: Anton Lechner (Anton. 35 // Author: Anton Lechner (Anton.Lechner@cern.ch)
36 // 36 //
37 // First implementation: 10. 05. 2009 37 // First implementation: 10. 05. 2009
38 // 38 //
39 // Modifications: 06. 08. 2009 - Minor bug fix 39 // Modifications: 06. 08. 2009 - Minor bug fix (initialization of cache) AL
40 // 12. 11. 2009 - Moved all dec 40 // 12. 11. 2009 - Moved all decision logic concerning ICRU 73
41 // scaling for h 41 // scaling for heavy ions into this class.
42 // Adapting Scal 42 // Adapting ScalingFactorEnergy class according
43 // to changes in 43 // to changes in base class (AL).
44 // 44 //
45 // Class description: 45 // Class description:
46 // dE/dx scaling algorithm applied on top o 46 // dE/dx scaling algorithm applied on top of ICRU 73 data (for ions not
47 // covered by the ICRU 73 report) 47 // covered by the ICRU 73 report)
48 // 48 //
49 // Comments: 49 // Comments:
50 // 50 //
51 // =========================================== 51 // ===========================================================================
52 52
53 #include "G4IonDEDXScalingICRU73.hh" 53 #include "G4IonDEDXScalingICRU73.hh"
54 #include "G4ParticleDefinition.hh" 54 #include "G4ParticleDefinition.hh"
55 #include "G4ParticleTable.hh" 55 #include "G4ParticleTable.hh"
56 #include "G4IonTable.hh" <<
57 #include "G4Material.hh" 56 #include "G4Material.hh"
58 57
59 58
60 // ########################################### 59 // ###########################################################################
61 60
62 G4IonDEDXScalingICRU73::G4IonDEDXScalingICRU73 61 G4IonDEDXScalingICRU73::G4IonDEDXScalingICRU73(
63 G4int minAtomicNumbe 62 G4int minAtomicNumberIon,
64 G4int maxAtomicNumbe 63 G4int maxAtomicNumberIon) :
65 minAtomicNumber( minAtomicNumberIon ), 64 minAtomicNumber( minAtomicNumberIon ),
66 maxAtomicNumber( maxAtomicNumberIon ), 65 maxAtomicNumber( maxAtomicNumberIon ),
67 referencePrepared( false ), << 66 referenceFe( 0 ),
68 atomicNumberRefFe( 26 ), 67 atomicNumberRefFe( 26 ),
69 massNumberRefFe( 56 ), 68 massNumberRefFe( 56 ),
70 atomicNumberRefPow23Fe( 0 ), 69 atomicNumberRefPow23Fe( 0 ),
71 chargeRefFe( 0 ), 70 chargeRefFe( 0 ),
72 massRefFe( 0 ), 71 massRefFe( 0 ),
>> 72 referenceAr( 0 ),
73 atomicNumberRefAr( 18 ), 73 atomicNumberRefAr( 18 ),
74 massNumberRefAr( 40 ), 74 massNumberRefAr( 40 ),
75 atomicNumberRefPow23Ar( 0 ), 75 atomicNumberRefPow23Ar( 0 ),
76 chargeRefAr( 0 ), 76 chargeRefAr( 0 ),
77 massRefAr( 0 ), 77 massRefAr( 0 ),
78 useFe( true ), 78 useFe( true ),
79 cacheParticle( 0 ), 79 cacheParticle( 0 ),
80 cacheMassNumber( 0 ), 80 cacheMassNumber( 0 ),
81 cacheAtomicNumber( 0 ), 81 cacheAtomicNumber( 0 ),
82 cacheAtomicNumberPow23( 0 ), 82 cacheAtomicNumberPow23( 0 ),
83 cacheCharge( 0 ), 83 cacheCharge( 0 ),
84 cacheMass( 0 ), 84 cacheMass( 0 ),
85 cacheMaterial( 0 ) { 85 cacheMaterial( 0 ) {
86 86
87 } 87 }
88 88
89 // ########################################### 89 // ###########################################################################
90 90
91 G4IonDEDXScalingICRU73::~G4IonDEDXScalingICRU7 91 G4IonDEDXScalingICRU73::~G4IonDEDXScalingICRU73() {
>> 92
92 } 93 }
93 94
94 // ########################################### 95 // ###########################################################################
95 96
96 void G4IonDEDXScalingICRU73::CreateReferencePa 97 void G4IonDEDXScalingICRU73::CreateReferenceParticles() {
97 << 98
98 G4IonTable* ionTable = G4IonTable::GetIonTab << 99 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
99 100
100 massRefFe = ionTable->GetIonMass(atomicNumbe << 101 G4double excitationEnergy = 0.0;
101 massRefAr = ionTable->GetIonMass(atomicNumbe <<
102 102
103 chargeRefFe = G4double(atomicNumberRefFe)*CL << 103 referenceFe = particleTable -> GetIon(atomicNumberRefFe, massNumberRefFe,
104 chargeRefAr = G4double(atomicNumberRefAr)*CL << 104 excitationEnergy);
>> 105 referenceAr = particleTable -> GetIon(atomicNumberRefAr, massNumberRefAr,
>> 106 excitationEnergy);
>> 107
>> 108 massRefFe = referenceFe -> GetPDGMass();
>> 109 massRefAr = referenceAr -> GetPDGMass();
>> 110
>> 111 chargeRefFe = referenceFe -> GetPDGCharge();
>> 112 chargeRefAr = referenceAr -> GetPDGCharge();
105 113
106 atomicNumberRefPow23Fe = std::pow(G4double(a 114 atomicNumberRefPow23Fe = std::pow(G4double(atomicNumberRefFe), 2./3.);
107 atomicNumberRefPow23Ar = std::pow(G4double(a 115 atomicNumberRefPow23Ar = std::pow(G4double(atomicNumberRefAr), 2./3.);
108 <<
109 referencePrepared = true; <<
110 } 116 }
111 117
112 118
113 // ########################################### 119 // ###########################################################################
114 120
115 121
116 G4double G4IonDEDXScalingICRU73::ScalingFactor 122 G4double G4IonDEDXScalingICRU73::ScalingFactorEnergy (
117 const G4ParticleDefinition* partic 123 const G4ParticleDefinition* particle, // Projectile (ion)
118 const G4Material* material) { 124 const G4Material* material) { // Target material
119 125
120 G4double factor = 1.0; 126 G4double factor = 1.0;
121 127
122 UpdateCacheParticle(particle); 128 UpdateCacheParticle(particle);
123 UpdateCacheMaterial(material); 129 UpdateCacheMaterial(material);
124 130
125 if(cacheAtomicNumber >= minAtomicNumber && 131 if(cacheAtomicNumber >= minAtomicNumber &&
126 cacheAtomicNumber <= maxAtomicNumber && 132 cacheAtomicNumber <= maxAtomicNumber &&
127 cacheAtomicNumber != atomicNumberRefFe && 133 cacheAtomicNumber != atomicNumberRefFe &&
128 cacheAtomicNumber != atomicNumberRefAr) { 134 cacheAtomicNumber != atomicNumberRefAr) {
129 135
130 if(!referencePrepared) CreateReferencePar << 136 if(referenceFe == 0 || referenceAr == 0) CreateReferenceParticles();
131 137
132 if( useFe ) 138 if( useFe )
133 factor = cacheMassNumber * (massRefFe 139 factor = cacheMassNumber * (massRefFe / cacheMass) / massNumberRefFe;
134 else 140 else
135 factor = cacheMassNumber * (massRefAr 141 factor = cacheMassNumber * (massRefAr / cacheMass) / massNumberRefAr;
136 } 142 }
137 143
138 return factor; 144 return factor;
139 } 145 }
140 146
141 // ########################################### 147 // ###########################################################################
142 148
143 G4double G4IonDEDXScalingICRU73::ScalingFactor 149 G4double G4IonDEDXScalingICRU73::ScalingFactorDEDX(
144 const G4ParticleDefinition* parti 150 const G4ParticleDefinition* particle, // Projectile (ion)
145 const G4Material* material, 151 const G4Material* material, // Target material
146 G4double kineticEnergy) { 152 G4double kineticEnergy) { // Kinetic energy
147 153
148 G4double factor = 1.0; 154 G4double factor = 1.0;
149 155
150 UpdateCacheParticle(particle); 156 UpdateCacheParticle(particle);
151 UpdateCacheMaterial(material); 157 UpdateCacheMaterial(material);
152 158
153 if(cacheAtomicNumber >= minAtomicNumber && 159 if(cacheAtomicNumber >= minAtomicNumber &&
154 cacheAtomicNumber <= maxAtomicNumber && 160 cacheAtomicNumber <= maxAtomicNumber &&
155 cacheAtomicNumber != atomicNumberRefFe && 161 cacheAtomicNumber != atomicNumberRefFe &&
156 cacheAtomicNumber != atomicNumberRefAr) { 162 cacheAtomicNumber != atomicNumberRefAr) {
157 163
158 if(!referencePrepared) CreateReferencePa << 164 if(referenceFe == 0 || referenceAr == 0) CreateReferenceParticles();
159 165
160 if( useFe ) { 166 if( useFe ) {
161 167
162 G4double equilibriumCharge = Equilibr 168 G4double equilibriumCharge = EquilibriumCharge(cacheMass,
163 169 cacheCharge,
164 170 cacheAtomicNumberPow23,
165 171 kineticEnergy);
166 172
167 G4double scaledKineticEnergy = kineti 173 G4double scaledKineticEnergy = kineticEnergy * (massRefFe / cacheMass);
168 174
169 G4double equilibriumChargeRefFe = Equ 175 G4double equilibriumChargeRefFe = EquilibriumCharge(massRefFe,
170 176 chargeRefFe,
171 177 atomicNumberRefPow23Fe,
172 178 scaledKineticEnergy);
173 179
174 factor = equilibriumCharge * equilibr 180 factor = equilibriumCharge * equilibriumCharge/
175 ( equilibriumChargeRefFe * 181 ( equilibriumChargeRefFe * equilibriumChargeRefFe );
176 182
177 } 183 }
178 else { 184 else {
179 185
180 G4double equilibriumCharge = Equilibr 186 G4double equilibriumCharge = EquilibriumCharge(cacheMass,
181 187 cacheCharge,
182 188 cacheAtomicNumberPow23,
183 189 kineticEnergy);
184 190
185 G4double scaledKineticEnergy = kineti 191 G4double scaledKineticEnergy = kineticEnergy * (massRefAr / cacheMass);
186 192
187 G4double equilibriumChargeRefAr = Equ 193 G4double equilibriumChargeRefAr = EquilibriumCharge(massRefAr,
188 194 chargeRefAr,
189 195 atomicNumberRefPow23Ar,
190 196 scaledKineticEnergy);
191 197
192 factor = equilibriumCharge * equilibr 198 factor = equilibriumCharge * equilibriumCharge/
193 ( equilibriumChargeRefAr * 199 ( equilibriumChargeRefAr * equilibriumChargeRefAr );
194 200
195 } 201 }
196 } 202 }
197 203
198 return factor; 204 return factor;
199 } 205 }
200 206
201 // ########################################### 207 // ###########################################################################
202 208
203 G4int G4IonDEDXScalingICRU73::AtomicNumberBase 209 G4int G4IonDEDXScalingICRU73::AtomicNumberBaseIon(
204 G4int atomicNumberIon, 210 G4int atomicNumberIon, // Atomic number of ion
205 const G4Material* material) { 211 const G4Material* material) { // Target material
206 212
207 UpdateCacheMaterial(material); 213 UpdateCacheMaterial(material);
208 214
209 G4int atomicNumber = atomicNumberIon; 215 G4int atomicNumber = atomicNumberIon;
210 216
211 if(atomicNumberIon >= minAtomicNumber && 217 if(atomicNumberIon >= minAtomicNumber &&
212 atomicNumberIon <= maxAtomicNumber && 218 atomicNumberIon <= maxAtomicNumber &&
213 atomicNumberIon != atomicNumberRefFe && 219 atomicNumberIon != atomicNumberRefFe &&
214 atomicNumberIon != atomicNumberRefAr) { 220 atomicNumberIon != atomicNumberRefAr) {
215 221
216 if(!referencePrepared) CreateReferencePar << 222 if(referenceFe == 0 || referenceAr == 0) CreateReferenceParticles();
217 223
218 if( useFe ) atomicNumber = atomicNumberRe 224 if( useFe ) atomicNumber = atomicNumberRefFe;
219 else atomicNumber = atomicNumberRefAr; 225 else atomicNumber = atomicNumberRefAr;
220 } 226 }
221 227
222 return atomicNumber; 228 return atomicNumber;
223 } 229 }
224 230
225 // ########################################### 231 // ###########################################################################
226 232