| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 /** \file G4INCLNuclearMassTable.cc 38 /** \file G4INCLNuclearMassTable.cc
39 * \brief Functions that encapsulate a mass ta 39 * \brief Functions that encapsulate a mass table
40 * 40 *
41 * \date 22nd October 2013 41 * \date 22nd October 2013
42 * \author Davide Mancusi 42 * \author Davide Mancusi
43 */ 43 */
44 44
45 #ifndef INCLXX_IN_GEANT4_MODE 45 #ifndef INCLXX_IN_GEANT4_MODE
46 46
47 #include "G4INCLNuclearMassTable.hh" 47 #include "G4INCLNuclearMassTable.hh"
48 #include "G4INCLParticleTable.hh" 48 #include "G4INCLParticleTable.hh"
49 #include "G4INCLGlobals.hh" 49 #include "G4INCLGlobals.hh"
50 #include <algorithm> 50 #include <algorithm>
51 #include <istream> 51 #include <istream>
52 52
53 namespace G4INCL { 53 namespace G4INCL {
54 54
55 namespace { 55 namespace {
56 56
57 G4ThreadLocal G4double **theTable = NULL; 57 G4ThreadLocal G4double **theTable = NULL;
58 G4ThreadLocal G4int AMax = 0; 58 G4ThreadLocal G4int AMax = 0;
59 G4ThreadLocal G4int *ZMaxArray = NULL; 59 G4ThreadLocal G4int *ZMaxArray = NULL;
60 G4ThreadLocal G4double protonMass = 0.; 60 G4ThreadLocal G4double protonMass = 0.;
61 G4ThreadLocal G4double neutronMass = 0.; 61 G4ThreadLocal G4double neutronMass = 0.;
62 62
63 const G4double amu = 931.494061; // atomic 63 const G4double amu = 931.494061; // atomic mass unit in MeV/c^2
64 const G4double eMass = 0.5109988; // elect 64 const G4double eMass = 0.5109988; // electron mass in MeV/c^2
65 65
66 G4double getWeizsaeckerMass(const G4int A, 66 G4double getWeizsaeckerMass(const G4int A, const G4int Z) {
67 const G4int Npairing = (A-Z)%2; 67 const G4int Npairing = (A-Z)%2; // pairing
68 const G4int Zpairing = Z%2; 68 const G4int Zpairing = Z%2;
69 const G4double fA = (G4double) A; 69 const G4double fA = (G4double) A;
70 const G4double fZ = (G4double) Z; 70 const G4double fZ = (G4double) Z;
71 G4double binding = 71 G4double binding =
72 - 15.67*fA // 72 - 15.67*fA // nuclear volume
73 + 17.23*Math::pow23(fA) 73 + 17.23*Math::pow23(fA) // surface energy
74 + 93.15*((fA/2.-fZ)*(fA/2.-fZ))/fA 74 + 93.15*((fA/2.-fZ)*(fA/2.-fZ))/fA // asymmetry
75 + 0.6984523*fZ*fZ*Math::powMinus13(fA) 75 + 0.6984523*fZ*fZ*Math::powMinus13(fA); // coulomb
76 if( Npairing == Zpairing ) binding += (N 76 if( Npairing == Zpairing ) binding += (Npairing+Zpairing-1) * 12.0 / std::sqrt(fA); // pairing
77 77
78 return fZ*::G4INCL::ParticleTable::getRe 78 return fZ*::G4INCL::ParticleTable::getRealMass(Proton)+((G4double)(A-Z))
79 *::G4INCL::ParticleTable::getRealMass( 79 *::G4INCL::ParticleTable::getRealMass(Neutron)+binding;
80 } 80 }
81 81
82 void setMass(const G4int A, const G4int Z, 82 void setMass(const G4int A, const G4int Z, const G4double mass) {
83 theTable[A][Z] = mass; 83 theTable[A][Z] = mass;
84 } 84 }
85 85
86 class MassRecord { 86 class MassRecord {
87 public: 87 public:
88 MassRecord() : 88 MassRecord() :
89 A(0), 89 A(0),
90 Z(0), 90 Z(0),
91 excess(0.) 91 excess(0.)
92 {} 92 {}
93 93
94 MassRecord(const G4int a, const G4int 94 MassRecord(const G4int a, const G4int z, const G4double e) :
95 A(a), 95 A(a),
96 Z(z), 96 Z(z),
97 excess(e) 97 excess(e)
98 {} 98 {}
99 99
100 friend std::istream &operator>>(std::i 100 friend std::istream &operator>>(std::istream &in, MassRecord &record);
101 101
102 G4int A; 102 G4int A;
103 G4int Z; 103 G4int Z;
104 G4double excess; 104 G4double excess;
105 }; 105 };
106 106
107 std::istream &operator>>(std::istream &in, 107 std::istream &operator>>(std::istream &in, MassRecord &record) {
108 return (in >> record.A >> record.Z >> re 108 return (in >> record.A >> record.Z >> record.excess);
109 } 109 }
110 110
111 G4bool compareA(const MassRecord &lhs, con 111 G4bool compareA(const MassRecord &lhs, const MassRecord &rhs) {
112 return (lhs.A < rhs.A); 112 return (lhs.A < rhs.A);
113 } 113 }
114 114
115 } 115 }
116 116
117 namespace NuclearMassTable { 117 namespace NuclearMassTable {
118 118
119 void initialize(const std::string &path, c 119 void initialize(const std::string &path, const G4double pMass, const G4double nMass) {
120 protonMass = pMass; 120 protonMass = pMass;
121 neutronMass = nMass; 121 neutronMass = nMass;
122 122
123 // Clear the existing tables, if any 123 // Clear the existing tables, if any
124 deleteTable(); 124 deleteTable();
125 125
126 // File name 126 // File name
127 std::string fileName(path + "/walletlife 127 std::string fileName(path + "/walletlifetime.dat");
128 INCL_DEBUG("Reading real nuclear masses 128 INCL_DEBUG("Reading real nuclear masses from file " << fileName << '\n');
129 129
130 // Open the file stream 130 // Open the file stream
131 std::ifstream massTableIn(fileName.c_str 131 std::ifstream massTableIn(fileName.c_str());
132 if(!massTableIn.good()) { 132 if(!massTableIn.good()) {
133 std::cerr << "Cannot open " << fileNam 133 std::cerr << "Cannot open " << fileName << " data file." << '\n';
134 std::abort(); 134 std::abort();
135 return; 135 return;
136 } 136 }
137 137
138 // read the file 138 // read the file
139 std::vector<MassRecord> records; 139 std::vector<MassRecord> records;
140 MassRecord record; 140 MassRecord record;
141 while(massTableIn.good()) { /* Loop chec 141 while(massTableIn.good()) { /* Loop checking, 10.07.2015, D.Mancusi */
142 massTableIn >> record; 142 massTableIn >> record;
143 records.push_back(record); 143 records.push_back(record);
144 } 144 }
145 massTableIn.close(); 145 massTableIn.close();
146 INCL_DEBUG("Read " << records.size() << 146 INCL_DEBUG("Read " << records.size() << " nuclear masses" << '\n');
147 147
148 // determine the max A 148 // determine the max A
149 AMax = std::max_element(records.begin(), 149 AMax = std::max_element(records.begin(), records.end(), compareA)->A;
150 INCL_DEBUG("Max A in nuclear-mass table 150 INCL_DEBUG("Max A in nuclear-mass table = " << AMax << '\n');
151 ZMaxArray = new G4int[AMax+1]; 151 ZMaxArray = new G4int[AMax+1];
152 std::fill(ZMaxArray, ZMaxArray+AMax+1, 0 152 std::fill(ZMaxArray, ZMaxArray+AMax+1, 0);
153 theTable = new G4double*[AMax+1]; 153 theTable = new G4double*[AMax+1];
154 std::fill(theTable, theTable+AMax+1, sta 154 std::fill(theTable, theTable+AMax+1, static_cast<G4double*>(NULL));
155 155
156 // determine the max A per Z 156 // determine the max A per Z
157 for(std::vector<MassRecord>::const_itera 157 for(std::vector<MassRecord>::const_iterator i=records.begin(), e=records.end(); i!=e; ++i) {
158 ZMaxArray[i->A] = std::max(ZMaxArray[i 158 ZMaxArray[i->A] = std::max(ZMaxArray[i->A], i->Z);
159 } 159 }
160 160
161 // allocate the arrays 161 // allocate the arrays
162 for(G4int A=1; A<=AMax; ++A) { 162 for(G4int A=1; A<=AMax; ++A) {
163 theTable[A] = new G4double[ZMaxArray[A 163 theTable[A] = new G4double[ZMaxArray[A]+1];
164 std::fill(theTable[A], theTable[A]+ZMa 164 std::fill(theTable[A], theTable[A]+ZMaxArray[A]+1, -1.);
165 } 165 }
166 166
167 // fill the actual masses 167 // fill the actual masses
168 for(std::vector<MassRecord>::const_itera 168 for(std::vector<MassRecord>::const_iterator i=records.begin(), e=records.end(); i!=e; ++i) {
169 setMass(i->A, i->Z, i->A*amu + i->exce 169 setMass(i->A, i->Z, i->A*amu + i->excess - i->Z*eMass);
170 } 170 }
171 } 171 }
172 172
173 G4double getMass(const G4int A, const G4in 173 G4double getMass(const G4int A, const G4int Z) {
174 if(A>AMax || Z>ZMaxArray[A]) { 174 if(A>AMax || Z>ZMaxArray[A]) {
175 INCL_DEBUG("Real mass unavailable for 175 INCL_DEBUG("Real mass unavailable for isotope A=" << A << ", Z=" << Z
176 << ", using Weizsaecker's f 176 << ", using Weizsaecker's formula"
177 << '\n'); 177 << '\n');
178 return getWeizsaeckerMass(A,Z); 178 return getWeizsaeckerMass(A,Z);
179 } 179 }
180 180
181 const G4double mass = theTable[A][Z]; 181 const G4double mass = theTable[A][Z];
182 if(mass<0.) { 182 if(mass<0.) {
183 INCL_DEBUG("Real mass unavailable for 183 INCL_DEBUG("Real mass unavailable for isotope A=" << A << ", Z=" << Z
184 << ", using Weizsaecker's f 184 << ", using Weizsaecker's formula"
185 << '\n'); 185 << '\n');
186 return getWeizsaeckerMass(A,Z); 186 return getWeizsaeckerMass(A,Z);
187 } else 187 } else
188 return mass; 188 return mass;
189 } 189 }
190 190
191 G4double getMass(const G4int A, const G4in 191 G4double getMass(const G4int A, const G4int Z, const G4int S){
192 if(S>=0) return getMass(A,Z); 192 if(S>=0) return getMass(A,Z);
193 193
194 // assert(A >= 1); 194 // assert(A >= 1);
195 // assert(Z < A); 195 // assert(Z < A);
196 // assert(S*(-1)<=A); 196 // assert(S*(-1)<=A);
197 197
198 const G4double mL = ParticleTable::getReal 198 const G4double mL = ParticleTable::getRealMass(Lambda); // mLambda
199 if(A == (-1)*S) return A*mL; 199 if(A == (-1)*S) return A*mL;
200 200
201 if( A==2 && Z == 0) { // No stable hypernu 201 if( A==2 && Z == 0) { // No stable hypernuclei with A=2
202 return mL+ParticleTable::getRealMass(Neu 202 return mL+ParticleTable::getRealMass(Neutron);
203 } 203 }
204 else if( Z == 0) { // No stable hypernucle 204 else if( Z == 0) { // No stable hypernuclei with Z=0
205 return (A+S)*ParticleTable::getRealMass( << 205 return ParticleTable::getRealMass(Neutron)-mL*S;
206 } 206 }
207 else if( A==2 && Z == 1) { 207 else if( A==2 && Z == 1) {
208 return mL+ParticleTable::getRealMass(Pro 208 return mL+ParticleTable::getRealMass(Proton);
209 } 209 }
210 210
211 211
212 const G4double b7=25.; // (MeV) 212 const G4double b7=25.; // (MeV)
213 const G4double b8=10.5; // Slope 213 const G4double b8=10.5; // Slope
214 const G4double a2=0.13; // BindingEnergy f 214 const G4double a2=0.13; // BindingEnergy for d+Lambda(MeV)
215 const G4double a3=2.2; // BindingEnergy f 215 const G4double a3=2.2; // BindingEnergy for (t/He3)+Lamb(MeV)
216 const G4double eps =0.0001; // security va 216 const G4double eps =0.0001; // security value (MeV)
217 217
218 G4double mass = getMass(A+S, Z); 218 G4double mass = getMass(A+S, Z);
219 219
220 G4double bs=0.; 220 G4double bs=0.;
221 if (A+S ==2) bs=a2; // for nnL 221 if (A+S ==2) bs=a2; // for nnL,npL,ppL
222 else if(A+S ==3) bs=a3; // for 3nL 222 else if(A+S ==3) bs=a3; // for 3nL,2npL,n2pL,3pL
223 else if(A+S >3) bs=b7*std::exp(-b8/(A+S+1 223 else if(A+S >3) bs=b7*std::exp(-b8/(A+S+1.));
224 mass += (-1)*S*(mL-bs) + eps; 224 mass += (-1)*S*(mL-bs) + eps;
225 225
226 return mass; 226 return mass;
227 } 227 }
228 228
229 void deleteTable() { 229 void deleteTable() {
230 delete[] ZMaxArray; 230 delete[] ZMaxArray;
231 ZMaxArray = NULL; 231 ZMaxArray = NULL;
232 for(G4int A=1; A<=AMax; ++A) 232 for(G4int A=1; A<=AMax; ++A)
233 delete[] theTable[A]; 233 delete[] theTable[A];
234 delete[] theTable; 234 delete[] theTable;
235 theTable = NULL; 235 theTable = NULL;
236 } 236 }
237 } 237 }
238 238
239 } 239 }
240 240
241 #endif // INCLXX_IN_GEANT4_MODE 241 #endif // INCLXX_IN_GEANT4_MODE
242 242