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G4ASTARStopping.hh
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26 // $Id: G4ASTARStopping.hh 96934 2016-05-18 09:10:41Z gcosmo $
27 
28 #ifndef G4ASTARStopping_h
29 #define G4ASTARStopping_h 1
30 
31 //---------------------------------------------------------------------------
32 //
33 // ClassName: G4ASTARStopping
34 //
35 // Description: Data on stopping power
36 //
37 // Author: Anton Ivantchenko 21.04.2006
38 //
39 // Organisation: QinetiQ Ltd, UK
40 // Customer: ESA/ESTEC, NOORDWIJK
41 // Contract: CSMAN-5288
42 //
43 // Modifications:
44 //
45 //----------------------------------------------------------------------------
46 //
47 // Class Description:
48 //
49 // Data on Stopping Powers of the He atoms from the NIST Data Base
50 // http://physics.nist.gov/PhysRefData/STAR/Text/ASTAR.html
51 //
52 // Current ASTAR database is available via url:
53 // http://physics.nist.gov/PhysRefData/Star/Text/ASTAR.html
54 
55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 
57 #include "globals.hh"
58 #include "G4Material.hh"
59 #include "G4LPhysicsFreeVector.hh"
60 #include <vector>
61 
63 {
64 public:
65 
66  explicit G4ASTARStopping();
67 
69 
70  void Initialise();
71 
72  inline G4int GetIndex(const G4Material*) const;
73 
74  inline G4int GetIndex(const G4String&) const;
75 
76  inline G4double GetElectronicDEDX(G4int idx, G4double energy) const;
77 
78  inline G4double GetElectronicDEDX(const G4Material*, G4double energy) const;
79 
80 private:
81 
82  void AddData(const G4float* s, const G4Material*);
83 
84  void FindData(G4int idx, const G4Material*);
85 
86  void PrintWarning(G4int idx) const;
87 
88  // hide assignment operator
89  G4ASTARStopping & operator=(const G4ASTARStopping &right) = delete;
90  G4ASTARStopping(const G4ASTARStopping&) = delete;
91 
92  size_t nvectors;
93  G4double emin;
94  std::vector<const G4Material*> materials;
95  std::vector<G4LPhysicsFreeVector*> sdata;
96 };
97 
98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
99 
100 inline G4int G4ASTARStopping:: GetIndex (const G4Material* mat) const
101 {
102  G4int idx = -1;
103  for (size_t i=0; i<nvectors; ++i){
104  if (mat == materials[i]){
105  idx = i;
106  break;
107  }
108  }
109  return idx;
110 }
111 
112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
113 
114 inline G4int G4ASTARStopping::GetIndex(const G4String& nam) const
115 {
116  G4int idx = -1;
117  for (size_t i=0; i<nvectors; ++i){
118  if (nam == materials[i]->GetName()){
119  idx = i;
120  break;
121  }
122  }
123  return idx;
124 }
125 
126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
127 
128 inline G4double
130 {
131  G4double res = 0.0;
132  if (idx<0 || idx>= G4int(nvectors)) { PrintWarning(idx); }
133  if(energy < emin) { res = (*(sdata[idx]))[0]*std::sqrt(energy/emin); }
134  else { res = sdata[idx]->Value(energy); }
135  return res;
136 }
137 
138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
139 
140 inline G4double
142 {
143  return GetElectronicDEDX(GetIndex(mat), energy);
144 }
145 
146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
147 
148 #endif
G4double GetElectronicDEDX(G4int idx, G4double energy) const
float G4float
Definition: G4Types.hh:77
int G4int
Definition: G4Types.hh:78
const XML_Char * s
Definition: expat.h:262
G4double energy(const ThreeVector &p, const G4double m)
G4int GetIndex(const G4Material *) const
double G4double
Definition: G4Types.hh:76