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25 // 25 //
26 // 26 //
>> 27 // $Id$
27 // 28 //
28 // by V. Lara 29 // by V. Lara
29 // ------------------------------------------- 30 // --------------------------------------------------------------------
30 // 31 //
31 // Modified: 32 // Modified:
32 // 25.07.08 I.Pshenichnov (in collaboration wi 33 // 25.07.08 I.Pshenichnov (in collaboration with Alexander Botvina and Igor
33 // Mishustin (FIAS, Frankfurt, INR, M 34 // Mishustin (FIAS, Frankfurt, INR, Moscow and Kurchatov Institute,
34 // Moscow, pshenich@fias.uni-frankfur 35 // Moscow, pshenich@fias.uni-frankfurt.de) fixed infinite loop for
35 // a fagment with Z=A; fixed memory l 36 // a fagment with Z=A; fixed memory leak
36 37
37 #include "G4StatMFMacroCanonical.hh" 38 #include "G4StatMFMacroCanonical.hh"
38 #include "G4PhysicalConstants.hh" 39 #include "G4PhysicalConstants.hh"
39 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh"
40 #include "G4Pow.hh" 41 #include "G4Pow.hh"
41 42
42 // constructor 43 // constructor
43 G4StatMFMacroCanonical::G4StatMFMacroCanonical 44 G4StatMFMacroCanonical::G4StatMFMacroCanonical(const G4Fragment & theFragment)
44 { 45 {
45 46
46 // Get memory for clusters 47 // Get memory for clusters
47 _theClusters.push_back(new G4StatMFMacroNucl 48 _theClusters.push_back(new G4StatMFMacroNucleon); // Size 1
48 _theClusters.push_back(new G4StatMFMacroBiNu 49 _theClusters.push_back(new G4StatMFMacroBiNucleon); // Size 2
49 _theClusters.push_back(new G4StatMFMacroTriN 50 _theClusters.push_back(new G4StatMFMacroTriNucleon); // Size 3
50 _theClusters.push_back(new G4StatMFMacroTetr 51 _theClusters.push_back(new G4StatMFMacroTetraNucleon); // Size 4
51 for (G4int i = 4; i < theFragment.GetA_asInt 52 for (G4int i = 4; i < theFragment.GetA_asInt(); i++)
52 _theClusters.push_back(new G4StatMFMacroMu 53 _theClusters.push_back(new G4StatMFMacroMultiNucleon(i+1)); // Size 5 ... A
53 54
54 // Perform class initialization 55 // Perform class initialization
55 Initialize(theFragment); 56 Initialize(theFragment);
56 57
57 } 58 }
58 59
59 // destructor 60 // destructor
60 G4StatMFMacroCanonical::~G4StatMFMacroCanonica 61 G4StatMFMacroCanonical::~G4StatMFMacroCanonical()
61 { 62 {
62 // garbage collection 63 // garbage collection
63 if (!_theClusters.empty()) 64 if (!_theClusters.empty())
64 { 65 {
65 std::for_each(_theClusters.begin(),_theC 66 std::for_each(_theClusters.begin(),_theClusters.end(),DeleteFragment());
66 } 67 }
67 } 68 }
68 69
69 // Initialization method 70 // Initialization method
70 void G4StatMFMacroCanonical::Initialize(const 71 void G4StatMFMacroCanonical::Initialize(const G4Fragment & theFragment)
71 { 72 {
72 73
73 G4int A = theFragment.GetA_asInt(); 74 G4int A = theFragment.GetA_asInt();
74 G4int Z = theFragment.GetZ_asInt(); 75 G4int Z = theFragment.GetZ_asInt();
75 G4double x = 1.0 - 2.0*Z/G4double(A); 76 G4double x = 1.0 - 2.0*Z/G4double(A);
76 G4Pow* g4calc = G4Pow::GetInstance(); << 77 G4Pow* g4pow = G4Pow::GetInstance();
77 78
78 // Free Internal energy at T = 0 79 // Free Internal energy at T = 0
79 __FreeInternalE0 = A*( -G4StatMFParameters:: << 80 __FreeInternalE0 = A*( -G4StatMFParameters::GetE0() + // Volume term (for T = 0)
80 G4StatMFParameters::GetGamma0()*x*x) // << 81 G4StatMFParameters::GetGamma0()*x*x) // Symmetry term
81 + G4StatMFParameters::GetBeta0()*g4calc->Z << 82 +
82 0.6*elm_coupling*Z*Z/(G4StatMFParameters:: << 83 G4StatMFParameters::GetBeta0()*g4pow->Z23(A) + // Surface term (for T = 0)
83 g4calc->Z13(A)); << 84 (3.0/5.0)*elm_coupling*Z*Z/(G4StatMFParameters::Getr0()* // Coulomb term
>> 85 g4pow->Z13(A));
84 86
85 CalculateTemperature(theFragment); 87 CalculateTemperature(theFragment);
>> 88
86 return; 89 return;
87 } 90 }
88 91
89 void G4StatMFMacroCanonical::CalculateTemperat 92 void G4StatMFMacroCanonical::CalculateTemperature(const G4Fragment & theFragment)
90 { 93 {
91 // Excitation Energy 94 // Excitation Energy
92 G4double U = theFragment.GetExcitationEnergy 95 G4double U = theFragment.GetExcitationEnergy();
93 96
94 G4int A = theFragment.GetA_asInt(); 97 G4int A = theFragment.GetA_asInt();
95 G4int Z = theFragment.GetZ_asInt(); 98 G4int Z = theFragment.GetZ_asInt();
96 99
97 // Fragment Multiplicity 100 // Fragment Multiplicity
98 G4double FragMult = std::max((1.0+(2.31/MeV) 101 G4double FragMult = std::max((1.0+(2.31/MeV)*(U/A - 3.5*MeV))*A/100.0, 2.0);
99 102
>> 103
100 // Parameter Kappa 104 // Parameter Kappa
101 G4Pow* g4calc = G4Pow::GetInstance(); << 105 _Kappa = (1.0+elm_coupling*(std::pow(FragMult,1./3.)-1)/
102 _Kappa = (1.0+elm_coupling*(g4calc->A13(Frag << 106 (G4StatMFParameters::Getr0()*G4Pow::GetInstance()->Z13(A)));
103 (G4StatMFParameters::Getr0()*g4calc->Z13 <<
104 _Kappa = _Kappa*_Kappa*_Kappa - 1.0; 107 _Kappa = _Kappa*_Kappa*_Kappa - 1.0;
>> 108
105 109
106 G4StatMFMacroTemperature * theTemp = new 110 G4StatMFMacroTemperature * theTemp = new
107 G4StatMFMacroTemperature(A,Z,U,__FreeInter 111 G4StatMFMacroTemperature(A,Z,U,__FreeInternalE0,_Kappa,&_theClusters);
108 112
109 __MeanTemperature = theTemp->CalcTemperature 113 __MeanTemperature = theTemp->CalcTemperature();
110 _ChemPotentialNu = theTemp->GetChemicalPoten 114 _ChemPotentialNu = theTemp->GetChemicalPotentialNu();
111 _ChemPotentialMu = theTemp->GetChemicalPoten 115 _ChemPotentialMu = theTemp->GetChemicalPotentialMu();
112 __MeanMultiplicity = theTemp->GetMeanMultipl 116 __MeanMultiplicity = theTemp->GetMeanMultiplicity();
113 __MeanEntropy = theTemp->GetEntropy(); 117 __MeanEntropy = theTemp->GetEntropy();
114 118
115 delete theTemp; 119 delete theTemp;
116 120
117 return; 121 return;
118 } 122 }
119 123
>> 124
120 // ------------------------------------------- 125 // --------------------------------------------------------------------------
121 126
122 G4StatMFChannel * G4StatMFMacroCanonical::Choo 127 G4StatMFChannel * G4StatMFMacroCanonical::ChooseAandZ(const G4Fragment &theFragment)
123 // Calculate total fragments multiplicity, fra << 128 // Calculate total fragments multiplicity, fragment atomic numbers and charges
124 { 129 {
125 G4int A = theFragment.GetA_asInt(); 130 G4int A = theFragment.GetA_asInt();
126 G4int Z = theFragment.GetZ_asInt(); 131 G4int Z = theFragment.GetZ_asInt();
127 132
128 std::vector<G4int> ANumbers(A); 133 std::vector<G4int> ANumbers(A);
129 134
130 G4double Multiplicity = ChooseA(A,ANumbers); 135 G4double Multiplicity = ChooseA(A,ANumbers);
131 136
132 std::vector<G4int> FragmentsA; 137 std::vector<G4int> FragmentsA;
133 138
134 G4int i = 0; 139 G4int i = 0;
135 for (i = 0; i < A; i++) << 140 for (i = 0; i < A; i++)
136 { << 141 {
137 for (G4int j = 0; j < ANumbers[i]; j++) << 142 for (G4int j = 0; j < ANumbers[i]; j++) FragmentsA.push_back(i+1);
138 } << 143 }
139 << 144
140 // Sort fragments in decreasing order << 145 // Sort fragments in decreasing order
141 G4int im = 0; << 146 G4int im = 0;
142 for (G4int j = 0; j < Multiplicity; j++) << 147 for (G4int j = 0; j < Multiplicity; j++)
143 { << 148 {
144 G4int FragmentsAMax = 0; << 149 G4int FragmentsAMax = 0;
145 im = j; << 150 im = j;
146 for (i = j; i < Multiplicity; i++) << 151 for (i = j; i < Multiplicity; i++)
147 { << 152 {
148 if (FragmentsA[i] <= FragmentsAMax) { cont << 153 if (FragmentsA[i] <= FragmentsAMax) { continue; }
149 else << 154 else
150 { << 155 {
151 im = i; << 156 im = i;
152 FragmentsAMax = FragmentsA[im]; << 157 FragmentsAMax = FragmentsA[im];
153 } << 158 }
154 } << 159 }
155 if (im != j) << 160
156 { << 161 if (im != j)
157 FragmentsA[im] = FragmentsA[j]; << 162 {
158 FragmentsA[j] = FragmentsAMax; << 163 FragmentsA[im] = FragmentsA[j];
159 } << 164 FragmentsA[j] = FragmentsAMax;
160 } << 165 }
161 return ChooseZ(Z,FragmentsA); << 166 }
>> 167
>> 168 return ChooseZ(Z,FragmentsA);
162 } 169 }
163 170
>> 171
164 G4double G4StatMFMacroCanonical::ChooseA(G4int 172 G4double G4StatMFMacroCanonical::ChooseA(G4int A, std::vector<G4int> & ANumbers)
165 // Determines fragments multiplicities and c 173 // Determines fragments multiplicities and compute total fragment multiplicity
166 { 174 {
167 G4double multiplicity = 0.0; 175 G4double multiplicity = 0.0;
168 G4int i; 176 G4int i;
169 177
170 std::vector<G4double> AcumMultiplicity; 178 std::vector<G4double> AcumMultiplicity;
171 AcumMultiplicity.reserve(A); 179 AcumMultiplicity.reserve(A);
172 180
173 AcumMultiplicity.push_back((*(_theClusters.b 181 AcumMultiplicity.push_back((*(_theClusters.begin()))->GetMeanMultiplicity());
174 for (std::vector<G4VStatMFMacroCluster*>::it 182 for (std::vector<G4VStatMFMacroCluster*>::iterator it = _theClusters.begin()+1;
175 it != _theClusters.end(); ++it) 183 it != _theClusters.end(); ++it)
176 { 184 {
177 AcumMultiplicity.push_back((*it)->GetMea 185 AcumMultiplicity.push_back((*it)->GetMeanMultiplicity()+AcumMultiplicity.back());
178 } 186 }
179 187
180 G4int CheckA; 188 G4int CheckA;
181 do { 189 do {
182 CheckA = -1; 190 CheckA = -1;
183 G4int SumA = 0; 191 G4int SumA = 0;
184 G4int ThisOne = 0; 192 G4int ThisOne = 0;
185 multiplicity = 0.0; 193 multiplicity = 0.0;
186 for (i = 0; i < A; i++) ANumbers[i] = 0; 194 for (i = 0; i < A; i++) ANumbers[i] = 0;
187 do { 195 do {
188 G4double RandNumber = G4UniformRand()*__ 196 G4double RandNumber = G4UniformRand()*__MeanMultiplicity;
189 for (i = 0; i < A; i++) { 197 for (i = 0; i < A; i++) {
190 if (RandNumber < AcumMultiplicity[i]) { 198 if (RandNumber < AcumMultiplicity[i]) {
191 ThisOne = i; 199 ThisOne = i;
192 break; 200 break;
193 } 201 }
194 } 202 }
195 multiplicity++; 203 multiplicity++;
196 ANumbers[ThisOne] = ANumbers[ThisOne]+1; 204 ANumbers[ThisOne] = ANumbers[ThisOne]+1;
197 SumA += ThisOne+1; 205 SumA += ThisOne+1;
198 CheckA = A - SumA; 206 CheckA = A - SumA;
199 207
200 // Loop checking, 05-Aug-2015, Vladimir <<
201 } while (CheckA > 0); 208 } while (CheckA > 0);
202 209
203 // Loop checking, 05-Aug-2015, Vladimir Iv << 210 } while (CheckA < 0 || std::abs(__MeanMultiplicity - multiplicity) > std::sqrt(__MeanMultiplicity) + 1./2.);
204 } while (CheckA < 0 || std::abs(__MeanMultip <<
205 211
206 return multiplicity; 212 return multiplicity;
207 } 213 }
208 214
>> 215
209 G4StatMFChannel * G4StatMFMacroCanonical::Choo 216 G4StatMFChannel * G4StatMFMacroCanonical::ChooseZ(G4int & Z,
210 std::vector<G4int> & FragmentsA) 217 std::vector<G4int> & FragmentsA)
211 // 218 //
212 { 219 {
213 G4Pow* g4calc = G4Pow::GetInstance(); << 220 G4Pow* g4pow = G4Pow::GetInstance();
214 std::vector<G4int> FragmentsZ; 221 std::vector<G4int> FragmentsZ;
215 222
216 G4int DeltaZ = 0; 223 G4int DeltaZ = 0;
217 G4double CP = G4StatMFParameters::GetCoulom << 224 G4double CP = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
218 G4int multiplicity = (G4int)FragmentsA.size( << 225 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
219 226
220 do { << 227 G4int multiplicity = FragmentsA.size();
221 FragmentsZ.clear(); << 228
222 G4int SumZ = 0; << 229 do
223 for (G4int i = 0; i < multiplicity; ++i) << 230 {
224 { << 231 FragmentsZ.clear();
225 G4int A = FragmentsA[i]; << 232 G4int SumZ = 0;
226 if (A <= 1) << 233 for (G4int i = 0; i < multiplicity; i++)
227 { << 234 {
228 G4double RandNumber = G4UniformRand(); << 235 G4int A = FragmentsA[i];
229 if (RandNumber < (*_theClusters.begin()) << 236 if (A <= 1)
230 { << 237 {
231 FragmentsZ.push_back(1); << 238 G4double RandNumber = G4UniformRand();
232 SumZ += FragmentsZ[i]; << 239 if (RandNumber < (*_theClusters.begin())->GetZARatio())
233 } << 240 {
234 else FragmentsZ.push_back(0); << 241 FragmentsZ.push_back(1);
235 } << 242 SumZ += FragmentsZ[i];
236 else << 243 }
237 { << 244 else FragmentsZ.push_back(0);
238 G4double RandZ; << 245 }
239 G4double CC = 8.0*G4StatMFParameters::Ge << 246 else
240 + 2*CP*g4calc->Z23(FragmentsA[i]); << 247 {
241 G4double ZMean; << 248 G4double RandZ;
242 if (FragmentsA[i] > 1 && FragmentsA[i] < << 249 G4double CC = 8.0*G4StatMFParameters::GetGamma0()+2.0*CP*g4pow->Z23(FragmentsA[i]);
243 else { << 250 G4double ZMean;
244 ZMean = FragmentsA[i]*(4.0*G4StatMFPar << 251 if (FragmentsA[i] > 1 && FragmentsA[i] < 5) { ZMean = 0.5*FragmentsA[i]; }
245 + _ChemPotentialNu)/CC; << 252 else ZMean = FragmentsA[i]*(4.0*G4StatMFParameters::GetGamma0()+_ChemPotentialNu)/CC;
>> 253 G4double ZDispersion = std::sqrt(FragmentsA[i]*__MeanTemperature/CC);
>> 254 G4int z;
>> 255 do
>> 256 {
>> 257 RandZ = G4RandGauss::shoot(ZMean,ZDispersion);
>> 258 z = static_cast<G4int>(RandZ+0.5);
>> 259 } while (z < 0 || z > A);
>> 260 FragmentsZ.push_back(z);
>> 261 SumZ += z;
246 } 262 }
247 G4double ZDispersion = std::sqrt(Fragmen << 263 }
248 G4int z; << 264 DeltaZ = Z - SumZ;
249 do << 265 }
250 { << 266 while (std::abs(DeltaZ) > 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); <<
262 267
263 // DeltaZ can be 0, 1 or -1 268 // DeltaZ can be 0, 1 or -1
264 G4int idx = 0; 269 G4int idx = 0;
265 if (DeltaZ < 0.0) 270 if (DeltaZ < 0.0)
266 { 271 {
267 while (FragmentsZ[idx] < 1) { ++idx; } 272 while (FragmentsZ[idx] < 1) { ++idx; }
268 } 273 }
269 FragmentsZ[idx] += DeltaZ; 274 FragmentsZ[idx] += DeltaZ;
270 275
271 G4StatMFChannel * theChannel = new G4StatMFC 276 G4StatMFChannel * theChannel = new G4StatMFChannel;
272 for (G4int i = multiplicity-1; i >= 0; --i) << 277 for (G4int i = multiplicity-1; i >= 0; i--)
273 { 278 {
274 theChannel->CreateFragment(FragmentsA[i] 279 theChannel->CreateFragment(FragmentsA[i],FragmentsZ[i]);
275 } 280 }
276 281
277 return theChannel; 282 return theChannel;
278 } 283 }
279 284