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26 // 26 //
>> 27 // $Id: G4StatMFMacroCanonical.cc,v 1.6 2006/06/29 20:24:51 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-02 $
27 // 29 //
28 // by V. Lara 30 // by V. Lara
29 // ------------------------------------------- 31 // --------------------------------------------------------------------
30 // <<
31 // Modified: <<
32 // 25.07.08 I.Pshenichnov (in collaboration wi <<
33 // Mishustin (FIAS, Frankfurt, INR, M <<
34 // Moscow, pshenich@fias.uni-frankfur <<
35 // a fagment with Z=A; fixed memory l <<
36 32
37 #include "G4StatMFMacroCanonical.hh" 33 #include "G4StatMFMacroCanonical.hh"
38 #include "G4PhysicalConstants.hh" << 34
39 #include "G4SystemOfUnits.hh" <<
40 #include "G4Pow.hh" <<
41 35
42 // constructor 36 // constructor
43 G4StatMFMacroCanonical::G4StatMFMacroCanonical 37 G4StatMFMacroCanonical::G4StatMFMacroCanonical(const G4Fragment & theFragment)
44 { 38 {
45 39
46 // Get memory for clusters 40 // Get memory for clusters
47 _theClusters.push_back(new G4StatMFMacroNucl 41 _theClusters.push_back(new G4StatMFMacroNucleon); // Size 1
48 _theClusters.push_back(new G4StatMFMacroBiNu 42 _theClusters.push_back(new G4StatMFMacroBiNucleon); // Size 2
49 _theClusters.push_back(new G4StatMFMacroTriN 43 _theClusters.push_back(new G4StatMFMacroTriNucleon); // Size 3
50 _theClusters.push_back(new G4StatMFMacroTetr 44 _theClusters.push_back(new G4StatMFMacroTetraNucleon); // Size 4
51 for (G4int i = 4; i < theFragment.GetA_asInt << 45 for (G4int i = 4; i < theFragment.GetA(); i++)
52 _theClusters.push_back(new G4StatMFMacroMu 46 _theClusters.push_back(new G4StatMFMacroMultiNucleon(i+1)); // Size 5 ... A
53 47
54 // Perform class initialization 48 // Perform class initialization
55 Initialize(theFragment); 49 Initialize(theFragment);
56 50
57 } 51 }
58 52
>> 53
59 // destructor 54 // destructor
60 G4StatMFMacroCanonical::~G4StatMFMacroCanonica 55 G4StatMFMacroCanonical::~G4StatMFMacroCanonical()
61 { 56 {
62 // garbage collection 57 // garbage collection
63 if (!_theClusters.empty()) 58 if (!_theClusters.empty())
64 { 59 {
65 std::for_each(_theClusters.begin(),_theC 60 std::for_each(_theClusters.begin(),_theClusters.end(),DeleteFragment());
66 } 61 }
67 } 62 }
68 63
>> 64 // operators definitions
>> 65 G4StatMFMacroCanonical &
>> 66 G4StatMFMacroCanonical::operator=(const G4StatMFMacroCanonical & )
>> 67 {
>> 68 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroCanonical::operator= meant to not be accessable");
>> 69 return *this;
>> 70 }
>> 71
>> 72 G4bool G4StatMFMacroCanonical::operator==(const G4StatMFMacroCanonical & ) const
>> 73 {
>> 74 return false;
>> 75 }
>> 76
>> 77
>> 78 G4bool G4StatMFMacroCanonical::operator!=(const G4StatMFMacroCanonical & ) const
>> 79 {
>> 80 return true;
>> 81 }
>> 82
>> 83
69 // Initialization method 84 // Initialization method
>> 85
>> 86
70 void G4StatMFMacroCanonical::Initialize(const 87 void G4StatMFMacroCanonical::Initialize(const G4Fragment & theFragment)
71 { 88 {
72 89
73 G4int A = theFragment.GetA_asInt(); << 90 G4double A = theFragment.GetA();
74 G4int Z = theFragment.GetZ_asInt(); << 91 G4double Z = theFragment.GetZ();
75 G4double x = 1.0 - 2.0*Z/G4double(A); <<
76 G4Pow* g4calc = G4Pow::GetInstance(); <<
77 92
78 // Free Internal energy at T = 0 93 // Free Internal energy at T = 0
79 __FreeInternalE0 = A*( -G4StatMFParameters:: << 94 __FreeInternalE0 = A*( -G4StatMFParameters::GetE0() + // Volume term (for T = 0)
80 G4StatMFParameters::GetGamma0()*x*x) // << 95 G4StatMFParameters::GetGamma0()* // Symmetry term
81 + G4StatMFParameters::GetBeta0()*g4calc->Z << 96 (1.0-2.0*Z/A)*(1.0-2.0*Z/A) ) +
82 0.6*elm_coupling*Z*Z/(G4StatMFParameters:: << 97 G4StatMFParameters::GetBeta0()*std::pow(A,2.0/3.0) + // Surface term (for T = 0)
83 g4calc->Z13(A)); << 98 (3.0/5.0)*elm_coupling*Z*Z/(G4StatMFParameters::Getr0()* // Coulomb term
>> 99 std::pow(A,1.0/3.0));
>> 100
>> 101
84 102
85 CalculateTemperature(theFragment); 103 CalculateTemperature(theFragment);
>> 104
86 return; 105 return;
87 } 106 }
88 107
>> 108
>> 109
>> 110
>> 111
89 void G4StatMFMacroCanonical::CalculateTemperat 112 void G4StatMFMacroCanonical::CalculateTemperature(const G4Fragment & theFragment)
90 { 113 {
91 // Excitation Energy 114 // Excitation Energy
92 G4double U = theFragment.GetExcitationEnergy 115 G4double U = theFragment.GetExcitationEnergy();
93 116
94 G4int A = theFragment.GetA_asInt(); << 117 G4double A = theFragment.GetA();
95 G4int Z = theFragment.GetZ_asInt(); << 118 G4double Z = theFragment.GetZ();
96 119
97 // Fragment Multiplicity 120 // Fragment Multiplicity
98 G4double FragMult = std::max((1.0+(2.31/MeV) 121 G4double FragMult = std::max((1.0+(2.31/MeV)*(U/A - 3.5*MeV))*A/100.0, 2.0);
99 122
>> 123
100 // Parameter Kappa 124 // Parameter Kappa
101 G4Pow* g4calc = G4Pow::GetInstance(); << 125 _Kappa = (1.0+elm_coupling*(std::pow(FragMult,1./3.)-1)/
102 _Kappa = (1.0+elm_coupling*(g4calc->A13(Frag << 126 (G4StatMFParameters::Getr0()*std::pow(A,1./3.)));
103 (G4StatMFParameters::Getr0()*g4calc->Z13 <<
104 _Kappa = _Kappa*_Kappa*_Kappa - 1.0; 127 _Kappa = _Kappa*_Kappa*_Kappa - 1.0;
>> 128
105 129
106 G4StatMFMacroTemperature * theTemp = new 130 G4StatMFMacroTemperature * theTemp = new
107 G4StatMFMacroTemperature(A,Z,U,__FreeInter 131 G4StatMFMacroTemperature(A,Z,U,__FreeInternalE0,_Kappa,&_theClusters);
108 132
109 __MeanTemperature = theTemp->CalcTemperature 133 __MeanTemperature = theTemp->CalcTemperature();
110 _ChemPotentialNu = theTemp->GetChemicalPoten 134 _ChemPotentialNu = theTemp->GetChemicalPotentialNu();
111 _ChemPotentialMu = theTemp->GetChemicalPoten 135 _ChemPotentialMu = theTemp->GetChemicalPotentialMu();
112 __MeanMultiplicity = theTemp->GetMeanMultipl 136 __MeanMultiplicity = theTemp->GetMeanMultiplicity();
113 __MeanEntropy = theTemp->GetEntropy(); 137 __MeanEntropy = theTemp->GetEntropy();
114 138
115 delete theTemp; 139 delete theTemp;
116 140
117 return; 141 return;
118 } 142 }
119 143
>> 144
120 // ------------------------------------------- 145 // --------------------------------------------------------------------------
121 146
122 G4StatMFChannel * G4StatMFMacroCanonical::Choo 147 G4StatMFChannel * G4StatMFMacroCanonical::ChooseAandZ(const G4Fragment &theFragment)
123 // Calculate total fragments multiplicity, fra << 148 // Calculate total fragments multiplicity, fragment atomic numbers and charges
124 { 149 {
125 G4int A = theFragment.GetA_asInt(); << 150 G4double A = theFragment.GetA();
126 G4int Z = theFragment.GetZ_asInt(); << 151 G4double Z = theFragment.GetZ();
127 152
128 std::vector<G4int> ANumbers(A); << 153 std::vector<G4double> ANumbers(static_cast<G4int>(A));
129 154
130 G4double Multiplicity = ChooseA(A,ANumbers); 155 G4double Multiplicity = ChooseA(A,ANumbers);
131 156
132 std::vector<G4int> FragmentsA; <<
133 157
134 G4int i = 0; << 158 std::vector<G4double> FragmentsA;
135 for (i = 0; i < A; i++) <<
136 { <<
137 for (G4int j = 0; j < ANumbers[i]; j++) <<
138 } <<
139 159
140 // Sort fragments in decreasing order << 160 G4int i = 0;
141 G4int im = 0; << 161 for (i = 0; i < A; i++)
142 for (G4int j = 0; j < Multiplicity; j++) << 162 {
143 { << 163 for (G4int j = 0; j < ANumbers[i]; j++) FragmentsA.push_back(i+1);
144 G4int FragmentsAMax = 0; << 164 }
145 im = j; << 165
146 for (i = j; i < Multiplicity; i++) << 166
147 { << 167 // Sort fragments in decreasing order
148 if (FragmentsA[i] <= FragmentsAMax) { cont << 168 G4int im = 0;
149 else << 169 for (G4int j = 0; j < Multiplicity; j++)
150 { << 170 {
151 im = i; << 171 G4double FragmentsAMax = 0.0;
152 FragmentsAMax = FragmentsA[im]; << 172 im = j;
153 } << 173 for (i = j; i < Multiplicity; i++)
154 } << 174 {
155 if (im != j) << 175 if (FragmentsA[i] <= FragmentsAMax) continue;
156 { << 176 else
157 FragmentsA[im] = FragmentsA[j]; << 177 {
158 FragmentsA[j] = FragmentsAMax; << 178 im = i;
159 } << 179 FragmentsAMax = FragmentsA[im];
160 } << 180 }
161 return ChooseZ(Z,FragmentsA); << 181 }
>> 182
>> 183 if (im != j)
>> 184 {
>> 185 FragmentsA[im] = FragmentsA[j];
>> 186 FragmentsA[j] = FragmentsAMax;
>> 187 }
>> 188 }
>> 189
>> 190 return ChooseZ(static_cast<G4int>(Z),FragmentsA);
162 } 191 }
163 192
164 G4double G4StatMFMacroCanonical::ChooseA(G4int << 193
>> 194
>> 195 G4double G4StatMFMacroCanonical::ChooseA(const G4double A, std::vector<G4double> & ANumbers)
165 // Determines fragments multiplicities and c 196 // Determines fragments multiplicities and compute total fragment multiplicity
166 { 197 {
167 G4double multiplicity = 0.0; 198 G4double multiplicity = 0.0;
168 G4int i; 199 G4int i;
169 << 200
>> 201
170 std::vector<G4double> AcumMultiplicity; 202 std::vector<G4double> AcumMultiplicity;
171 AcumMultiplicity.reserve(A); << 203 AcumMultiplicity.reserve(static_cast<G4int>(A));
172 204
173 AcumMultiplicity.push_back((*(_theClusters.b 205 AcumMultiplicity.push_back((*(_theClusters.begin()))->GetMeanMultiplicity());
174 for (std::vector<G4VStatMFMacroCluster*>::it 206 for (std::vector<G4VStatMFMacroCluster*>::iterator it = _theClusters.begin()+1;
175 it != _theClusters.end(); ++it) 207 it != _theClusters.end(); ++it)
176 { 208 {
177 AcumMultiplicity.push_back((*it)->GetMea 209 AcumMultiplicity.push_back((*it)->GetMeanMultiplicity()+AcumMultiplicity.back());
178 } 210 }
179 211
180 G4int CheckA; 212 G4int CheckA;
181 do { 213 do {
182 CheckA = -1; 214 CheckA = -1;
183 G4int SumA = 0; 215 G4int SumA = 0;
184 G4int ThisOne = 0; 216 G4int ThisOne = 0;
185 multiplicity = 0.0; 217 multiplicity = 0.0;
186 for (i = 0; i < A; i++) ANumbers[i] = 0; << 218 for (i = 0; i < A; i++) ANumbers[i] = 0.0;
187 do { 219 do {
188 G4double RandNumber = G4UniformRand()*__ 220 G4double RandNumber = G4UniformRand()*__MeanMultiplicity;
189 for (i = 0; i < A; i++) { 221 for (i = 0; i < A; i++) {
190 if (RandNumber < AcumMultiplicity[i]) { 222 if (RandNumber < AcumMultiplicity[i]) {
191 ThisOne = i; 223 ThisOne = i;
192 break; 224 break;
193 } 225 }
194 } 226 }
195 multiplicity++; 227 multiplicity++;
196 ANumbers[ThisOne] = ANumbers[ThisOne]+1; 228 ANumbers[ThisOne] = ANumbers[ThisOne]+1;
197 SumA += ThisOne+1; 229 SumA += ThisOne+1;
198 CheckA = A - SumA; << 230 CheckA = static_cast<G4int>(A) - SumA;
199 231
200 // Loop checking, 05-Aug-2015, Vladimir <<
201 } while (CheckA > 0); 232 } while (CheckA > 0);
202 233
203 // Loop checking, 05-Aug-2015, Vladimir Iv << 234 } while (CheckA < 0 || std::abs(__MeanMultiplicity - multiplicity) > std::sqrt(__MeanMultiplicity) + 1./2.);
204 } while (CheckA < 0 || std::abs(__MeanMultip <<
205 235
206 return multiplicity; 236 return multiplicity;
207 } 237 }
208 238
209 G4StatMFChannel * G4StatMFMacroCanonical::Choo << 239
210 std::vector<G4int> & FragmentsA) << 240 G4StatMFChannel * G4StatMFMacroCanonical::ChooseZ(const G4int & Z,
>> 241 std::vector<G4double> & FragmentsA)
211 // 242 //
212 { 243 {
213 G4Pow* g4calc = G4Pow::GetInstance(); << 244 std::vector<G4double> FragmentsZ;
214 std::vector<G4int> FragmentsZ; <<
215 245
216 G4int DeltaZ = 0; << 246 G4double DeltaZ = 0.0;
217 G4double CP = G4StatMFParameters::GetCoulom << 247 G4double CP = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
218 G4int multiplicity = (G4int)FragmentsA.size( << 248 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
219 249
220 do { << 250 G4int multiplicity = FragmentsA.size();
221 FragmentsZ.clear(); << 251
222 G4int SumZ = 0; << 252 do
223 for (G4int i = 0; i < multiplicity; ++i) << 253 {
224 { << 254 FragmentsZ.clear();
225 G4int A = FragmentsA[i]; << 255 G4int SumZ = 0;
226 if (A <= 1) << 256 for (G4int i = 0; i < multiplicity; i++)
227 { << 257 {
228 G4double RandNumber = G4UniformRand(); << 258 G4double A = FragmentsA[i];
229 if (RandNumber < (*_theClusters.begin()) << 259 if (A <= 1.0)
230 { << 260 {
231 FragmentsZ.push_back(1); << 261 G4double RandNumber = G4UniformRand();
232 SumZ += FragmentsZ[i]; << 262 if (RandNumber < (*_theClusters.begin())->GetZARatio())
233 } << 263 {
234 else FragmentsZ.push_back(0); << 264 FragmentsZ.push_back(1.0);
235 } << 265 SumZ += static_cast<G4int>(FragmentsZ[i]);
236 else << 266 }
237 { << 267 else FragmentsZ.push_back(0.0);
238 G4double RandZ; << 268 }
239 G4double CC = 8.0*G4StatMFParameters::Ge << 269 else
240 + 2*CP*g4calc->Z23(FragmentsA[i]); << 270 {
241 G4double ZMean; << 271 G4double RandZ;
242 if (FragmentsA[i] > 1 && FragmentsA[i] < << 272 G4double CC = 8.0*G4StatMFParameters::GetGamma0()+2.0*CP*std::pow(FragmentsA[i],2./3.);
243 else { << 273 G4double ZMean;
244 ZMean = FragmentsA[i]*(4.0*G4StatMFPar << 274 if (FragmentsA[i] > 1.5 && FragmentsA[i] < 4.5) ZMean = 0.5*FragmentsA[i];
245 + _ChemPotentialNu)/CC; << 275 else ZMean = FragmentsA[i]*(4.0*G4StatMFParameters::GetGamma0()+_ChemPotentialNu)/CC;
>> 276 G4double ZDispersion = std::sqrt(FragmentsA[i]*__MeanTemperature/CC);
>> 277 G4int z;
>> 278 do
>> 279 {
>> 280 RandZ = G4RandGauss::shoot(ZMean,ZDispersion);
>> 281 z = static_cast<G4int>(RandZ+0.5);
>> 282 } while (z < 0 || z > A);
>> 283 FragmentsZ.push_back(z);
>> 284 SumZ += z;
246 } 285 }
247 G4double ZDispersion = std::sqrt(Fragmen << 286 }
248 G4int z; << 287 DeltaZ = Z - SumZ;
249 do << 288 }
250 { << 289 while (std::abs(DeltaZ) > 1.1);
251 RandZ = G4RandGauss::shoot(ZMean,ZDispersi <<
252 z = G4lrint(RandZ+0.5); <<
253 // Loop checking, 05-Aug-2015, Vladimir Iv <<
254 } while (z < 0 || z > A); <<
255 FragmentsZ.push_back(z); <<
256 SumZ += z; <<
257 } <<
258 } <<
259 DeltaZ = Z - SumZ; <<
260 // Loop checking, 05-Aug-2015, Vladimir Ivan <<
261 } while (std::abs(DeltaZ) > 1); <<
262 290
263 // DeltaZ can be 0, 1 or -1 291 // DeltaZ can be 0, 1 or -1
264 G4int idx = 0; 292 G4int idx = 0;
265 if (DeltaZ < 0.0) 293 if (DeltaZ < 0.0)
266 { 294 {
267 while (FragmentsZ[idx] < 1) { ++idx; } << 295 while (FragmentsZ[idx] < 0.5) ++idx;
268 } 296 }
269 FragmentsZ[idx] += DeltaZ; 297 FragmentsZ[idx] += DeltaZ;
270 298
271 G4StatMFChannel * theChannel = new G4StatMFC 299 G4StatMFChannel * theChannel = new G4StatMFChannel;
272 for (G4int i = multiplicity-1; i >= 0; --i) << 300 for (G4int i = multiplicity-1; i >= 0; i--)
273 { 301 {
274 theChannel->CreateFragment(FragmentsA[i] 302 theChannel->CreateFragment(FragmentsA[i],FragmentsZ[i]);
275 } 303 }
276 << 304
277 return theChannel; << 305
>> 306 return theChannel;
278 } 307 }
279 308