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25 <<
26 //-------------------------------------------- <<
27 // 25 //
28 // ClassName: G4Element <<
29 // 26 //
30 // Description: Contains element properties << 27 // $Id: G4Element.hh,v 1.23 2008/11/14 15:14:24 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02-patch-04 $
31 // 29 //
32 // Class description: << 30
>> 31 // class description
33 // 32 //
34 // An element is a chemical element either dir 33 // An element is a chemical element either directly defined in terms of
35 // its characteristics: its name, symbol, << 34 // its charactaristics: its name, symbol,
36 // Z (effective atomic nu 35 // Z (effective atomic number)
37 // N (effective number of 36 // N (effective number of nucleons)
38 // A (effective mass of a 37 // A (effective mass of a mole)
39 // or in terms of a collection of constituent << 38 // or in terms of a collection of constituent isotopes with specified
40 // relative abundance (i.e. fraction of nb of << 39 // relative abundance (i.e. fraction of nb of atomes per volume).
41 // 40 //
42 // Quantities, with physical meaning or not, w << 41 // Quantities, with physical meaning or not, which are constant in a given
43 // element are computed and stored here as Der 42 // element are computed and stored here as Derived data members.
44 // 43 //
45 // The class contains as a private static memb 44 // The class contains as a private static member the table of defined
46 // elements (an ordered vector of elements). 45 // elements (an ordered vector of elements).
47 // 46 //
48 // Elements can be assembled singly or in mixt 47 // Elements can be assembled singly or in mixtures into materials used
49 // in volume definitions via the G4Material cl 48 // in volume definitions via the G4Material class.
50 // 49 //
51 // It is strongly recommended do not delete G4 << 50
52 // user code. All G4Elements will be automatic << 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 // of Geant4 session <<
54 52
55 // 09-07-96, new data members added by L.Urban 53 // 09-07-96, new data members added by L.Urban
56 // 17-01-97, aesthetic rearrangement, M.Maire 54 // 17-01-97, aesthetic rearrangement, M.Maire
57 // 20-01-97, Tsai formula for the rad length, 55 // 20-01-97, Tsai formula for the rad length, M.Maire
58 // 21-01-97, remove mixture flag, M.Maire 56 // 21-01-97, remove mixture flag, M.Maire
59 // 24-01-97, new data member: fTaul 57 // 24-01-97, new data member: fTaul
60 // new method: ComputeIonisationPara 58 // new method: ComputeIonisationPara, M.Maire
61 // 20-03-97, corrected initialization of point 59 // 20-03-97, corrected initialization of pointers, M.Maire
62 // 27-06-97, new function GetIsotope(int), M.M 60 // 27-06-97, new function GetIsotope(int), M.Maire
63 // 24-02-98, fWeightVector becomes fRelativeAb 61 // 24-02-98, fWeightVector becomes fRelativeAbundanceVector
64 // 27-04-98, atomic shell stuff, V. Grichine 62 // 27-04-98, atomic shell stuff, V. Grichine
65 // 09-07-98, Ionisation parameters removed fro 63 // 09-07-98, Ionisation parameters removed from the class, M.Maire
66 // 04-08-98, new method GetElement(elementName 64 // 04-08-98, new method GetElement(elementName), M.Maire
67 // 16-11-98, Subshell -> Shell, mma 65 // 16-11-98, Subshell -> Shell, mma
68 // 30-03-01, suppression of the warning messag 66 // 30-03-01, suppression of the warning message in GetElement
69 // 17-07-01, migration to STL, M. Verderi 67 // 17-07-01, migration to STL, M. Verderi
70 // 13-09-01, stl migration. Suppression of the 68 // 13-09-01, stl migration. Suppression of the data member fIndexInTable
71 // 14-09-01, fCountUse: nb of materials which 69 // 14-09-01, fCountUse: nb of materials which use this element
72 // 26-02-02, fIndexInTable renewed << 70 // 26-02-02, fIndexInTable renewed
73 // 01-04-05, new data member fIndexZ to count 71 // 01-04-05, new data member fIndexZ to count the number of elements with same Z
74 // 17-10-06: Add Get/Set fNaturalAbundance (V. << 72 // 17-10-06: Add Get/Set fNaturalAbandances (V.Ivanchenko)
75 // 17.09.09, add fNbOfShellElectrons and metho << 73
>> 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76 75
77 #ifndef G4ELEMENT_HH 76 #ifndef G4ELEMENT_HH
78 #define G4ELEMENT_HH 1 << 77 #define G4ELEMENT_HH
79 78
80 #include "G4ElementTable.hh" << 79 #include "globals.hh"
81 #include "G4ElementVector.hh" << 80 #include <vector>
82 #include "G4IonisParamElm.hh" << 81 #include "G4ios.hh"
83 #include "G4Isotope.hh" 82 #include "G4Isotope.hh"
>> 83 #include "G4AtomicShells.hh"
>> 84 #include "G4IonisParamElm.hh"
84 #include "G4IsotopeVector.hh" 85 #include "G4IsotopeVector.hh"
85 #include "G4ios.hh" << 86 #include "G4ElementTable.hh"
86 #include "globals.hh" <<
87 87
88 #include <vector> << 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
89 89
90 class G4Element 90 class G4Element
91 { 91 {
92 public: // with description << 92 public: // with description
93 // Constructor to Build an element directly; <<
94 G4Element(const G4String& name, // its name <<
95 const G4String& symbol, // its symbol <<
96 G4double Zeff, // atomic number <<
97 G4double Aeff); // mass of mole <<
98 93
>> 94 //
>> 95 // Constructor to Build an element directly; no reference to isotopes
>> 96 //
>> 97 G4Element(const G4String& name, //its name
>> 98 const G4String& symbol, //its symbol
>> 99 G4double Zeff, //atomic number
>> 100 G4double Aeff); //mass of mole
>> 101
>> 102 //
99 // Constructor to Build an element from isot 103 // Constructor to Build an element from isotopes via AddIsotope
100 G4Element(const G4String& name, // its name << 104 //
101 const G4String& symbol, // its symbol << 105 G4Element(const G4String& name, //its name
102 G4int nbIsotopes); // nb of isotopes << 106 const G4String& symbol, //its symbol
103 << 107 G4int nbIsotopes); //nb of isotopes
104 virtual ~G4Element(); <<
105 <<
106 G4Element(G4Element&) = delete; <<
107 const G4Element& operator=(const G4Element&) <<
108 108
>> 109 //
109 // Add an isotope to the element 110 // Add an isotope to the element
110 void AddIsotope(G4Isotope* isotope, // isot << 111 //
111 G4double RelativeAbundance); // fraction << 112 void AddIsotope(G4Isotope* isotope, //isotope
112 // atomes pe << 113 G4double RelativeAbundance); //fraction of nb of
113 << 114 //atomes per volume
114 // Retrieval methods << 115 virtual ~G4Element();
115 inline const G4String& GetName() const { ret << 116
116 inline const G4String& GetSymbol() const { r << 117 //
117 << 118 // retrieval methods
118 // Atomic number << 119 //
119 inline G4double GetZ() const { return fZeff; << 120 const G4String& GetName() const {return fName;}
120 inline G4int GetZasInt() const { return fZ; << 121 const G4String& GetSymbol() const {return fSymbol;}
121 << 122 G4double GetZ() const {return fZeff;} //atomic number
122 // Atomic weight in atomic units << 123 G4double GetN() const {return fNeff;} //number of nucleons
123 inline G4double GetN() const { return fNeff; << 124 G4double GetA() const {return fAeff;} //mass of a mole
124 inline G4double GetAtomicMassAmu() const { r << 125 G4bool GetNaturalAbandancesFlag();
125 << 126
126 // Mass of a mole in Geant4 units for atoms << 127 void SetNaturalAbandancesFlag(G4bool);
127 inline G4double GetA() const { return fAeff; << 128
128 << 129 //the number of atomic shells in this element:
129 inline G4bool GetNaturalAbundanceFlag() cons << 130 //
130 << 131 G4int GetNbOfAtomicShells() const {return fNbOfAtomicShells;}
131 inline void SetNaturalAbundanceFlag(G4bool); << 132
132 << 133 //the binding energy of the shell:
133 // the number of atomic shells in this eleme << 134 //
134 inline G4int GetNbOfAtomicShells() const { r << 135 G4double GetAtomicShell(G4int) const;
135 << 136
136 // the binding energy of the shell, ground s << 137 //number of isotopes constituing this element:
137 G4double GetAtomicShell(G4int index) const; << 138 //
138 << 139 size_t GetNumberOfIsotopes() const {return fNumberOfIsotopes;}
139 // the number of electrons at the shell, gro << 140
140 G4int GetNbOfShellElectrons(G4int index) con << 141 //vector of pointers to isotopes constituing this element:
141 << 142 //
142 // number of isotopes constituing this eleme << 143 G4IsotopeVector* GetIsotopeVector() const {return theIsotopeVector;}
143 inline std::size_t GetNumberOfIsotopes() con << 144
144 << 145 //vector of relative abundance of each isotope:
145 // vector of pointers to isotopes constituin << 146 //
146 inline G4IsotopeVector* GetIsotopeVector() c << 147 G4double* GetRelativeAbundanceVector() const
147 << 148 {return fRelativeAbundanceVector;}
148 // vector of relative abundance of each isot << 149
149 inline G4double* GetRelativeAbundanceVector( << 150 const G4Isotope* GetIsotope(G4int iso) const
150 << 151 {return (*theIsotopeVector)[iso];}
151 inline const G4Isotope* GetIsotope(G4int iso << 152
152 << 153 //the (static) Table of Elements:
153 // the (static) Table of Elements: << 154 //
154 static const G4ElementTable* GetElementTable << 155 static
155 << 156 const G4ElementTable* GetElementTable();
156 static std::size_t GetNumberOfElements(); << 157
157 << 158 static
158 // the index of this element in the Table: << 159 size_t GetNumberOfElements();
159 inline std::size_t GetIndex() const { return << 160
160 << 161 //the index of this element in the Table:
161 // return pointer to an element, given its n << 162 //
162 static G4Element* GetElement(const G4String& << 163 size_t GetIndex() const {return fIndexInTable;}
>> 164
>> 165 //return pointer to an element, given its name:
>> 166 //
>> 167 static
>> 168 G4Element* GetElement(G4String name, G4bool warning=true);
>> 169
>> 170 //count number of materials which use this element
>> 171 //
>> 172 G4int GetCountUse() const {return fCountUse;}
>> 173 void increaseCountUse() {fCountUse++;}
>> 174 void decreaseCountUse() {fCountUse--;}
>> 175
>> 176 //count elements with same Z
>> 177 //
>> 178 G4int GetIndexZ() const {return fIndexZ;}
>> 179
>> 180 //Coulomb correction factor:
>> 181 //
>> 182 G4double GetfCoulomb() const {return fCoulomb;}
>> 183
>> 184 //Tsai formula for the radiation length:
>> 185 //
>> 186 G4double GetfRadTsai() const {return fRadTsai;}
>> 187
>> 188 //pointer to ionisation parameters:
>> 189 //
>> 190 G4IonisParamElm* GetIonisation() const {return fIonisation;}
>> 191
>> 192 // printing methods
>> 193 //
>> 194 friend std::ostream& operator<<(std::ostream&, G4Element*);
>> 195 friend std::ostream& operator<<(std::ostream&, G4Element&);
>> 196 friend std::ostream& operator<<(std::ostream&, G4ElementTable);
163 197
164 // Coulomb correction factor: << 198 public: // without description
165 inline G4double GetfCoulomb() const { return <<
166 199
167 // Tsai formula for the radiation length: << 200 G4int operator==(const G4Element&) const;
168 inline G4double GetfRadTsai() const { return << 201 G4int operator!=(const G4Element&) const;
169 202
170 // pointer to ionisation parameters: << 203 G4Element(__void__&);
171 inline G4IonisParamElm* GetIonisation() cons << 204 // Fake default constructor for usage restricted to direct object
>> 205 // persistency for clients requiring preallocation of memory for
>> 206 // persistifiable objects.
172 207
173 // printing methods << 208 void SetName(const G4String& name) {fName=name;}
174 friend std::ostream& operator<<(std::ostream <<
175 friend std::ostream& operator<<(std::ostream <<
176 friend std::ostream& operator<<(std::ostream <<
177 friend std::ostream& operator<<(std::ostream <<
178 209
179 inline void SetName(const G4String& name) { << 210 private:
180 211
181 G4bool operator==(const G4Element&) const = << 212 G4Element(G4Element&);
182 G4bool operator!=(const G4Element&) const = << 213 const G4Element & operator=(const G4Element&);
>> 214
>> 215 private:
183 216
184 private: <<
185 void InitializePointers(); 217 void InitializePointers();
186 void ComputeDerivedQuantities(); 218 void ComputeDerivedQuantities();
187 void ComputeCoulombFactor(); 219 void ComputeCoulombFactor();
188 void ComputeLradTsaiFactor(); 220 void ComputeLradTsaiFactor();
189 void AddNaturalIsotopes(); <<
190 221
191 // Mutable access to the element table. << 222 private:
192 static G4ElementTable& GetElementTableRef(); <<
193 223
>> 224 //
194 // Basic data members (which define an Eleme 225 // Basic data members (which define an Element)
195 << 226 //
196 G4String fName; // name << 227 G4String fName; // name
197 G4String fSymbol; // symbol << 228 G4String fSymbol; // symbol
198 G4double fZeff; // Effective atomic number << 229 G4double fZeff; // Effective atomic number
199 G4double fNeff; // Effective number of nucl << 230 G4double fNeff; // Effective number of nucleons
200 G4double fAeff; // Effective mass of a mole << 231 G4double fAeff; // Effective mass of a mole
201 G4int fZ; << 232
202 << 233 G4int fNbOfAtomicShells; // number of atomic shells
203 G4int fNbOfAtomicShells; // number of atom << 234 G4double* fAtomicShells ; // Pointer to atomic shell binding energies
204 G4double* fAtomicShells; // Pointer to atom << 235
205 G4int* fNbOfShellElectrons; // Pointer to t << 236 // Isotope vector contains constituent isotopes of the element
206 << 237 size_t fNumberOfIsotopes; // Number of isotopes added to the element
207 G4int fNumberOfIsotopes; // Number of isoto << 238 G4IsotopeVector* theIsotopeVector;
208 G4IsotopeVector* theIsotopeVector; // vecto << 239 G4double* fRelativeAbundanceVector; // Fraction nb of atomes per volume
209 G4double* fRelativeAbundanceVector; // Frac << 240 // for each constituent
210 // for << 241 G4int fCountUse; // nb of materials which use this element
211 << 242 G4int fIndexZ; // index for elements with same Z
>> 243
212 // Set up the static Table of Elements 244 // Set up the static Table of Elements
213 std::size_t fIndexInTable; << 245 static G4ElementTable theElementTable;
214 G4bool fNaturalAbundance; << 246 size_t fIndexInTable;
>> 247 G4bool fNaturalAbandances;
215 248
>> 249 //
216 // Derived data members (computed from the b 250 // Derived data members (computed from the basic data members)
217 << 251 //
218 G4double fCoulomb; // Coulomb correction fa << 252 G4double fCoulomb; // Coulomb correction factor
219 G4double fRadTsai; // Tsai formula for the << 253 G4double fRadTsai; // Tsai formula for the radiation length
220 G4IonisParamElm* fIonisation; // Pointer to 254 G4IonisParamElm* fIonisation; // Pointer to ionisation parameters
221 }; 255 };
222 256
223 inline G4bool G4Element::GetNaturalAbundanceFl << 257 inline G4bool G4Element::GetNaturalAbandancesFlag()
>> 258 {
>> 259 return fNaturalAbandances;
>> 260 }
>> 261
>> 262 inline void G4Element::SetNaturalAbandancesFlag(G4bool val)
>> 263 {
>> 264 fNaturalAbandances = val;
>> 265 }
224 266
225 inline void G4Element::SetNaturalAbundanceFlag << 267 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
226 268
227 #endif 269 #endif
228 270