Geant4  10.02
MyMaterials.cc
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26 // $Id: MyMaterials.cc 66241 2012-12-13 18:34:42Z gunter $
27 // ====================================================================
28 // MyMaterials.cc
29 //
30 // 2005 Q
31 // ====================================================================
32 #include "MyMaterials.hh"
33 #include "G4Material.hh"
34 #include "G4SystemOfUnits.hh"
35 #include "G4PhysicalConstants.hh"
36 
37 // ====================================================================
38 //
39 // class description
40 //
41 // ====================================================================
42 
46 {
47 }
48 
49 
53 {
54 }
55 
56 
60 {
61  G4double A, Z;
62 
63  // ------------------------------------------------------------------------
64  // Elements
65  // ------------------------------------------------------------------------
66  G4Element* elH = new G4Element("Hydrogen","H", Z=1., A=1.00794*g/mole);
67  G4Element* elC = new G4Element("Carbon", "C", Z=6., A= 12.011 *g/mole);
68  G4Element* elN = new G4Element("Nitrogen","N", Z=7., A= 14.00674*g/mole);
69  G4Element* elO = new G4Element("Oxygen", "O", Z=8., A= 15.9994*g/mole);
70 
71  // ------------------------------------------------------------------------
72  // Materials
73  // ------------------------------------------------------------------------
74  G4double density, massfraction;
75  G4int natoms, nel;
76 
77  // temperature of experimental hall is controlled at 20 degree.
78  const G4double expTemp= STP_Temperature+20.*kelvin;
79 
80  // vacuum
81  density= universe_mean_density;
82  G4Material* Vacuum= new G4Material("Vacuum", density, nel=2);
83  Vacuum-> AddElement(elN, .7);
84  Vacuum-> AddElement(elO, .3);
85 
86  // air
87  density= 1.2929e-03 *g/cm3; // at 20 degree
88  G4Material* Air= new G4Material("Air", density, nel=2,
89  kStateGas, expTemp);
90  G4double ttt= 75.47+23.20;
91  Air-> AddElement(elN, massfraction= 75.47/ttt);
92  Air-> AddElement(elO, massfraction= 23.20/ttt);
93 
94  // water
95  density= 1.000*g/cm3;
96  G4Material* H2O= new G4Material("Water", density, nel=2);
97  H2O-> AddElement(elH, natoms=2);
98  H2O-> AddElement(elO, natoms=1);
99 
100  // alminium
101  A= 26.98 *g/mole;
102  density= 2.70 *g/cm3;
103  G4Material* Al= new G4Material("Al", Z=13., A, density);
104 
105  // iron
106  A= 55.847 *g/mole;
107  density= 7.87 *g/cm3;
108  G4Material* Fe= new G4Material("Iron", Z=26., A, density);
109 
110  // lead
111  A= 207.2 *g/mole;
112  density= 11.35 *g/cm3;
113  G4Material* Pb= new G4Material("Lead", Z=82., A, density);
114 
115  // scintillator (Polystyene(C6H5CH=CH2))
116  density= 1.032 *g/cm3;
117  G4Material* Scinti= new G4Material("Scinti", density, nel=2);
118  Scinti-> AddElement(elC, natoms=8);
119  Scinti-> AddElement(elH, natoms=8);
120 
121 }
122 
G4Material * Air
Definition: TRTMaterials.hh:57
G4Element * elC
Definition: TRTMaterials.hh:48
int G4int
Definition: G4Types.hh:78
G4Element * elN
Definition: TRTMaterials.hh:44
G4Element * elH
Definition: TRTMaterials.hh:50
G4double density
Definition: TRTMaterials.hh:39
double A(double temperature)
G4Element * elO
Definition: TRTMaterials.hh:46
static const double cm3
Definition: G4SIunits.hh:120
static const double kelvin
Definition: G4SIunits.hh:278
static const double g
Definition: G4SIunits.hh:180
void Construct()
Definition: MyMaterials.cc:58
static const double mole
Definition: G4SIunits.hh:283
double G4double
Definition: G4Types.hh:76
Air AddElement(elN,.7)
G4int nel
Definition: TRTMaterials.hh:41
G4Material * Al
Definition: TRTMaterials.hh:74