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26 // 23 //
>> 24 // $Id: G4StatMFMacroCanonical.cc,v 1.3 2003/11/06 18:11:44 lara Exp $
>> 25 // GEANT4 tag $Name: geant4-06-00-patch-01 $
27 // 26 //
28 // by V. Lara 27 // by V. Lara
29 // ------------------------------------------- 28 // --------------------------------------------------------------------
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 29
37 #include "G4StatMFMacroCanonical.hh" 30 #include "G4StatMFMacroCanonical.hh"
38 #include "G4PhysicalConstants.hh" << 31
39 #include "G4SystemOfUnits.hh" <<
40 #include "G4Pow.hh" <<
41 32
42 // constructor 33 // constructor
43 G4StatMFMacroCanonical::G4StatMFMacroCanonical 34 G4StatMFMacroCanonical::G4StatMFMacroCanonical(const G4Fragment & theFragment)
44 { 35 {
45 36
46 // Get memory for clusters 37 // Get memory for clusters
47 _theClusters.push_back(new G4StatMFMacroNucl 38 _theClusters.push_back(new G4StatMFMacroNucleon); // Size 1
48 _theClusters.push_back(new G4StatMFMacroBiNu 39 _theClusters.push_back(new G4StatMFMacroBiNucleon); // Size 2
49 _theClusters.push_back(new G4StatMFMacroTriN 40 _theClusters.push_back(new G4StatMFMacroTriNucleon); // Size 3
50 _theClusters.push_back(new G4StatMFMacroTetr 41 _theClusters.push_back(new G4StatMFMacroTetraNucleon); // Size 4
51 for (G4int i = 4; i < theFragment.GetA_asInt << 42 for (G4int i = 4; i < theFragment.GetA(); i++)
52 _theClusters.push_back(new G4StatMFMacroMu 43 _theClusters.push_back(new G4StatMFMacroMultiNucleon(i+1)); // Size 5 ... A
53 44
54 // Perform class initialization 45 // Perform class initialization
55 Initialize(theFragment); 46 Initialize(theFragment);
56 47
57 } 48 }
58 49
>> 50
59 // destructor 51 // destructor
60 G4StatMFMacroCanonical::~G4StatMFMacroCanonica 52 G4StatMFMacroCanonical::~G4StatMFMacroCanonical()
61 { 53 {
62 // garbage collection 54 // garbage collection
63 if (!_theClusters.empty()) 55 if (!_theClusters.empty())
64 { 56 {
65 std::for_each(_theClusters.begin(),_theC 57 std::for_each(_theClusters.begin(),_theClusters.end(),DeleteFragment());
66 } 58 }
67 } 59 }
68 60
>> 61 // operators definitions
>> 62 G4StatMFMacroCanonical &
>> 63 G4StatMFMacroCanonical::operator=(const G4StatMFMacroCanonical & )
>> 64 {
>> 65 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroCanonical::operator= meant to not be accessable");
>> 66 return *this;
>> 67 }
>> 68
>> 69 G4bool G4StatMFMacroCanonical::operator==(const G4StatMFMacroCanonical & ) const
>> 70 {
>> 71 return false;
>> 72 }
>> 73
>> 74
>> 75 G4bool G4StatMFMacroCanonical::operator!=(const G4StatMFMacroCanonical & ) const
>> 76 {
>> 77 return true;
>> 78 }
>> 79
>> 80
69 // Initialization method 81 // Initialization method
>> 82
>> 83
70 void G4StatMFMacroCanonical::Initialize(const 84 void G4StatMFMacroCanonical::Initialize(const G4Fragment & theFragment)
71 { 85 {
72 86
73 G4int A = theFragment.GetA_asInt(); << 87 G4double A = theFragment.GetA();
74 G4int Z = theFragment.GetZ_asInt(); << 88 G4double Z = theFragment.GetZ();
75 G4double x = 1.0 - 2.0*Z/G4double(A); <<
76 G4Pow* g4calc = G4Pow::GetInstance(); <<
77 89
78 // Free Internal energy at T = 0 90 // Free Internal energy at T = 0
79 __FreeInternalE0 = A*( -G4StatMFParameters:: << 91 __FreeInternalE0 = A*( -G4StatMFParameters::GetE0() + // Volume term (for T = 0)
80 G4StatMFParameters::GetGamma0()*x*x) // << 92 G4StatMFParameters::GetGamma0()* // Symmetry term
81 + G4StatMFParameters::GetBeta0()*g4calc->Z << 93 (1.0-2.0*Z/A)*(1.0-2.0*Z/A) ) +
82 0.6*elm_coupling*Z*Z/(G4StatMFParameters:: << 94 G4StatMFParameters::GetBeta0()*pow(A,2.0/3.0) + // Surface term (for T = 0)
83 g4calc->Z13(A)); << 95 (3.0/5.0)*elm_coupling*Z*Z/(G4StatMFParameters::Getr0()* // Coulomb term
>> 96 pow(A,1.0/3.0));
>> 97
>> 98
84 99
85 CalculateTemperature(theFragment); 100 CalculateTemperature(theFragment);
>> 101
86 return; 102 return;
87 } 103 }
88 104
>> 105
>> 106
>> 107
>> 108
89 void G4StatMFMacroCanonical::CalculateTemperat 109 void G4StatMFMacroCanonical::CalculateTemperature(const G4Fragment & theFragment)
90 { 110 {
91 // Excitation Energy 111 // Excitation Energy
92 G4double U = theFragment.GetExcitationEnergy 112 G4double U = theFragment.GetExcitationEnergy();
93 113
94 G4int A = theFragment.GetA_asInt(); << 114 G4double A = theFragment.GetA();
95 G4int Z = theFragment.GetZ_asInt(); << 115 G4double Z = theFragment.GetZ();
96 116
97 // Fragment Multiplicity 117 // Fragment Multiplicity
98 G4double FragMult = std::max((1.0+(2.31/MeV) 118 G4double FragMult = std::max((1.0+(2.31/MeV)*(U/A - 3.5*MeV))*A/100.0, 2.0);
99 119
>> 120
100 // Parameter Kappa 121 // Parameter Kappa
101 G4Pow* g4calc = G4Pow::GetInstance(); << 122 _Kappa = (1.0+elm_coupling*(pow(FragMult,1./3.)-1)/
102 _Kappa = (1.0+elm_coupling*(g4calc->A13(Frag << 123 (G4StatMFParameters::Getr0()*pow(A,1./3.)));
103 (G4StatMFParameters::Getr0()*g4calc->Z13 <<
104 _Kappa = _Kappa*_Kappa*_Kappa - 1.0; 124 _Kappa = _Kappa*_Kappa*_Kappa - 1.0;
>> 125
105 126
106 G4StatMFMacroTemperature * theTemp = new 127 G4StatMFMacroTemperature * theTemp = new
107 G4StatMFMacroTemperature(A,Z,U,__FreeInter 128 G4StatMFMacroTemperature(A,Z,U,__FreeInternalE0,_Kappa,&_theClusters);
108 129
109 __MeanTemperature = theTemp->CalcTemperature 130 __MeanTemperature = theTemp->CalcTemperature();
110 _ChemPotentialNu = theTemp->GetChemicalPoten 131 _ChemPotentialNu = theTemp->GetChemicalPotentialNu();
111 _ChemPotentialMu = theTemp->GetChemicalPoten 132 _ChemPotentialMu = theTemp->GetChemicalPotentialMu();
112 __MeanMultiplicity = theTemp->GetMeanMultipl 133 __MeanMultiplicity = theTemp->GetMeanMultiplicity();
113 __MeanEntropy = theTemp->GetEntropy(); 134 __MeanEntropy = theTemp->GetEntropy();
114 135
115 delete theTemp; 136 delete theTemp;
116 137
117 return; 138 return;
118 } 139 }
119 140
>> 141
120 // ------------------------------------------- 142 // --------------------------------------------------------------------------
121 143
122 G4StatMFChannel * G4StatMFMacroCanonical::Choo 144 G4StatMFChannel * G4StatMFMacroCanonical::ChooseAandZ(const G4Fragment &theFragment)
123 // Calculate total fragments multiplicity, fra << 145 // Calculate total fragments multiplicity, fragment atomic numbers and charges
124 { 146 {
125 G4int A = theFragment.GetA_asInt(); << 147 G4double A = theFragment.GetA();
126 G4int Z = theFragment.GetZ_asInt(); << 148 G4double Z = theFragment.GetZ();
127 149
128 std::vector<G4int> ANumbers(A); << 150 std::vector<G4double> ANumbers(static_cast<G4int>(A));
129 151
130 G4double Multiplicity = ChooseA(A,ANumbers); 152 G4double Multiplicity = ChooseA(A,ANumbers);
131 153
132 std::vector<G4int> FragmentsA; <<
133 154
134 G4int i = 0; << 155 std::vector<G4double> FragmentsA;
135 for (i = 0; i < A; i++) <<
136 { <<
137 for (G4int j = 0; j < ANumbers[i]; j++) <<
138 } <<
139 156
140 // Sort fragments in decreasing order << 157 G4int i = 0;
141 G4int im = 0; << 158 for (i = 0; i < A; i++)
142 for (G4int j = 0; j < Multiplicity; j++) << 159 {
143 { << 160 for (G4int j = 0; j < ANumbers[i]; j++) FragmentsA.push_back(i+1);
144 G4int FragmentsAMax = 0; << 161 }
145 im = j; << 162
146 for (i = j; i < Multiplicity; i++) << 163
147 { << 164 // Sort fragments in decreasing order
148 if (FragmentsA[i] <= FragmentsAMax) { cont << 165 G4int im = 0;
149 else << 166 for (G4int j = 0; j < Multiplicity; j++)
150 { << 167 {
151 im = i; << 168 G4double FragmentsAMax = 0.0;
152 FragmentsAMax = FragmentsA[im]; << 169 im = j;
153 } << 170 for (i = j; i < Multiplicity; i++)
154 } << 171 {
155 if (im != j) << 172 if (FragmentsA[i] <= FragmentsAMax) continue;
156 { << 173 else
157 FragmentsA[im] = FragmentsA[j]; << 174 {
158 FragmentsA[j] = FragmentsAMax; << 175 im = i;
159 } << 176 FragmentsAMax = FragmentsA[im];
160 } << 177 }
161 return ChooseZ(Z,FragmentsA); << 178 }
>> 179
>> 180 if (im != j)
>> 181 {
>> 182 FragmentsA[im] = FragmentsA[j];
>> 183 FragmentsA[j] = FragmentsAMax;
>> 184 }
>> 185 }
>> 186
>> 187 return ChooseZ(static_cast<G4int>(Z),FragmentsA);
162 } 188 }
163 189
164 G4double G4StatMFMacroCanonical::ChooseA(G4int << 190
>> 191
>> 192 G4double G4StatMFMacroCanonical::ChooseA(const G4double A, std::vector<G4double> & ANumbers)
165 // Determines fragments multiplicities and c 193 // Determines fragments multiplicities and compute total fragment multiplicity
166 { 194 {
167 G4double multiplicity = 0.0; 195 G4double multiplicity = 0.0;
168 G4int i; 196 G4int i;
169 << 197
>> 198
170 std::vector<G4double> AcumMultiplicity; 199 std::vector<G4double> AcumMultiplicity;
171 AcumMultiplicity.reserve(A); << 200 AcumMultiplicity.reserve(static_cast<G4int>(A));
172 201
173 AcumMultiplicity.push_back((*(_theClusters.b 202 AcumMultiplicity.push_back((*(_theClusters.begin()))->GetMeanMultiplicity());
174 for (std::vector<G4VStatMFMacroCluster*>::it 203 for (std::vector<G4VStatMFMacroCluster*>::iterator it = _theClusters.begin()+1;
175 it != _theClusters.end(); ++it) 204 it != _theClusters.end(); ++it)
176 { 205 {
177 AcumMultiplicity.push_back((*it)->GetMea 206 AcumMultiplicity.push_back((*it)->GetMeanMultiplicity()+AcumMultiplicity.back());
178 } 207 }
179 208
180 G4int CheckA; 209 G4int CheckA;
181 do { 210 do {
182 CheckA = -1; 211 CheckA = -1;
183 G4int SumA = 0; 212 G4int SumA = 0;
184 G4int ThisOne = 0; 213 G4int ThisOne = 0;
185 multiplicity = 0.0; 214 multiplicity = 0.0;
186 for (i = 0; i < A; i++) ANumbers[i] = 0; << 215 for (i = 0; i < A; i++) ANumbers[i] = 0.0;
187 do { 216 do {
188 G4double RandNumber = G4UniformRand()*__ 217 G4double RandNumber = G4UniformRand()*__MeanMultiplicity;
189 for (i = 0; i < A; i++) { 218 for (i = 0; i < A; i++) {
190 if (RandNumber < AcumMultiplicity[i]) { 219 if (RandNumber < AcumMultiplicity[i]) {
191 ThisOne = i; 220 ThisOne = i;
192 break; 221 break;
193 } 222 }
194 } 223 }
195 multiplicity++; 224 multiplicity++;
196 ANumbers[ThisOne] = ANumbers[ThisOne]+1; 225 ANumbers[ThisOne] = ANumbers[ThisOne]+1;
197 SumA += ThisOne+1; 226 SumA += ThisOne+1;
198 CheckA = A - SumA; << 227 CheckA = static_cast<G4int>(A) - SumA;
199 228
200 // Loop checking, 05-Aug-2015, Vladimir <<
201 } while (CheckA > 0); 229 } while (CheckA > 0);
202 230
203 // Loop checking, 05-Aug-2015, Vladimir Iv << 231 } while (CheckA < 0 || abs(__MeanMultiplicity - multiplicity) > sqrt(__MeanMultiplicity) + 1./2.);
204 } while (CheckA < 0 || std::abs(__MeanMultip <<
205 232
206 return multiplicity; 233 return multiplicity;
207 } 234 }
208 235
209 G4StatMFChannel * G4StatMFMacroCanonical::Choo << 236
210 std::vector<G4int> & FragmentsA) << 237 G4StatMFChannel * G4StatMFMacroCanonical::ChooseZ(const G4int & Z,
>> 238 std::vector<G4double> & FragmentsA)
211 // 239 //
212 { 240 {
213 G4Pow* g4calc = G4Pow::GetInstance(); << 241 std::vector<G4double> FragmentsZ;
214 std::vector<G4int> FragmentsZ; <<
215 242
216 G4int DeltaZ = 0; << 243 G4double DeltaZ = 0.0;
217 G4double CP = G4StatMFParameters::GetCoulom << 244 G4double CP = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
218 G4int multiplicity = (G4int)FragmentsA.size( << 245 (1.0 - 1.0/pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
219 246
220 do { << 247 G4int multiplicity = FragmentsA.size();
221 FragmentsZ.clear(); << 248
222 G4int SumZ = 0; << 249 do
223 for (G4int i = 0; i < multiplicity; ++i) << 250 {
224 { << 251 FragmentsZ.clear();
225 G4int A = FragmentsA[i]; << 252 G4int SumZ = 0;
226 if (A <= 1) << 253 for (G4int i = 0; i < multiplicity; i++)
227 { << 254 {
228 G4double RandNumber = G4UniformRand(); << 255 G4double A = FragmentsA[i];
229 if (RandNumber < (*_theClusters.begin()) << 256 if (A <= 1.0)
230 { << 257 {
231 FragmentsZ.push_back(1); << 258 G4double RandNumber = G4UniformRand();
232 SumZ += FragmentsZ[i]; << 259 if (RandNumber < (*_theClusters.begin())->GetZARatio())
233 } << 260 {
234 else FragmentsZ.push_back(0); << 261 FragmentsZ.push_back(1.0);
235 } << 262 SumZ += static_cast<G4int>(FragmentsZ[i]);
236 else << 263 }
237 { << 264 else FragmentsZ.push_back(0.0);
238 G4double RandZ; << 265 }
239 G4double CC = 8.0*G4StatMFParameters::Ge << 266 else
240 + 2*CP*g4calc->Z23(FragmentsA[i]); << 267 {
241 G4double ZMean; << 268 G4double RandZ;
242 if (FragmentsA[i] > 1 && FragmentsA[i] < << 269 G4double CC = 8.0*G4StatMFParameters::GetGamma0()+2.0*CP*pow(FragmentsA[i],2./3.);
243 else { << 270 G4double ZMean;
244 ZMean = FragmentsA[i]*(4.0*G4StatMFPar << 271 if (FragmentsA[i] > 1.5 && FragmentsA[i] < 4.5) ZMean = 0.5*FragmentsA[i];
245 + _ChemPotentialNu)/CC; << 272 else ZMean = FragmentsA[i]*(4.0*G4StatMFParameters::GetGamma0()+_ChemPotentialNu)/CC;
>> 273 G4double ZDispersion = sqrt(FragmentsA[i]*__MeanTemperature/CC);
>> 274 G4int z;
>> 275 do
>> 276 {
>> 277 RandZ = G4RandGauss::shoot(ZMean,ZDispersion);
>> 278 z = static_cast<G4int>(RandZ+0.5);
>> 279 } while (z < 0 || z > A);
>> 280 FragmentsZ.push_back(z);
>> 281 SumZ += z;
246 } 282 }
247 G4double ZDispersion = std::sqrt(Fragmen << 283 }
248 G4int z; << 284 DeltaZ = Z - SumZ;
249 do << 285 }
250 { << 286 while (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); <<
262 287
263 // DeltaZ can be 0, 1 or -1 288 // DeltaZ can be 0, 1 or -1
264 G4int idx = 0; 289 G4int idx = 0;
265 if (DeltaZ < 0.0) 290 if (DeltaZ < 0.0)
266 { 291 {
267 while (FragmentsZ[idx] < 1) { ++idx; } << 292 while (FragmentsZ[idx] < 0.5) ++idx;
268 } 293 }
269 FragmentsZ[idx] += DeltaZ; 294 FragmentsZ[idx] += DeltaZ;
270 295
271 G4StatMFChannel * theChannel = new G4StatMFC 296 G4StatMFChannel * theChannel = new G4StatMFChannel;
272 for (G4int i = multiplicity-1; i >= 0; --i) << 297 for (G4int i = multiplicity-1; i >= 0; i--)
273 { 298 {
274 theChannel->CreateFragment(FragmentsA[i] 299 theChannel->CreateFragment(FragmentsA[i],FragmentsZ[i]);
275 } 300 }
276 << 301
277 return theChannel; << 302
>> 303 return theChannel;
278 } 304 }
279 305