Geant4-11
Qmaterials.cc
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26// ====================================================================
27// Qmaterials.cc
28//
29// 2005 Q
30// ====================================================================
31#include "G4Material.hh"
32#include "G4SystemOfUnits.hh"
34
38{
39 G4double A, Z;
40
41 // ------------------------------------------------------------------------
42 // Elements
43 // ------------------------------------------------------------------------
44 G4Element* elH = new G4Element("Hydrogen","H", Z=1., A=1.00794*g/mole);
45 G4Element* elC = new G4Element("Carbon", "C", Z=6., A= 12.011 *g/mole);
46 G4Element* elN = new G4Element("Nitrogen","N", Z=7., A= 14.00674*g/mole);
47 G4Element* elO = new G4Element("Oxygen", "O", Z=8., A= 15.9994*g/mole);
48 G4Element* elNa = new G4Element("Sodium", "Na", Z=11., A= 22.989768*g/mole);
49 G4Element* elSi = new G4Element("Silicon", "Si", Z=14., A= 28.0855*g/mole);
50 G4Element* elAr = new G4Element("Argon", "Ar", Z=18., A= 39.948*g/mole);
51 G4Element* elI = new G4Element("Iodine", "I", Z=53., A= 126.90447*g/mole);
52 G4Element* elCs = new G4Element("Cesium", "Cs", Z=55., A= 132.90543*g/mole);
53
54 // ------------------------------------------------------------------------
55 // Materials
56 // ------------------------------------------------------------------------
57 G4double density, massfraction;
58 G4int natoms, nel;
59
60 // temperature of experimental hall is controlled at 20 degree.
61 const G4double expTemp= STP_Temperature+20.*kelvin;
62
63 // vacuum
64 density= universe_mean_density;
65 G4Material* Vacuum= new G4Material("Vacuum", density, nel=2);
66 Vacuum-> AddElement(elN, .7);
67 Vacuum-> AddElement(elO, .3);
68
69 // air
70 density= 1.2929e-03 *g/cm3; // at 20 degree
71 G4Material* Air= new G4Material("Air", density, nel=3,
72 kStateGas, expTemp);
73 G4double ttt= 75.47+23.20+1.28;
74 Air-> AddElement(elN, massfraction= 75.47/ttt);
75 Air-> AddElement(elO, massfraction= 23.20/ttt);
76 Air-> AddElement(elAr, massfraction= 1.28/ttt);
77
78 // Ar gas
79 A= 39.948 *g/mole;
80 const G4double denAr= 1.782e-03 *g/cm3 * STP_Temperature/expTemp;
81 G4Material* Ar= new G4Material("ArgonGas", Z=18., A, denAr,
82 kStateGas, expTemp);
83
84 // ethane (C2H6)
85 const G4double denEthane= 1.356e-3 *g/cm3 * STP_Temperature/expTemp;
86 G4Material* Ethane= new G4Material("Ethane", denEthane, nel=2,
87 kStateGas, expTemp);
88 Ethane-> AddElement(elC, natoms=2);
89 Ethane-> AddElement(elH, natoms=6);
90
91 // Ar(50%) + ethane(50%) mixture
92 density= (denAr+denEthane)/2.;
93 G4Material* ArEthane= new G4Material("ArEthane", density, nel=2,
94 kStateGas, expTemp);
95 ArEthane-> AddMaterial(Ar, massfraction= denAr/density/2.);
96 ArEthane-> AddMaterial(Ethane, massfraction= denEthane/density/2.);
97
98 // silicon
99 A= 28.0855 *g/mole;
100 density= 2.33 *g/cm3;
101 /*G4Material* Si=*/ new G4Material("SiliconWafer", Z=14., A, density);
102
103 // alminium
104 A= 26.98 *g/mole;
105 density= 2.70 *g/cm3;
106 /*G4Material* Al=*/ new G4Material("Al", Z=13., A, density);
107
108 // iron
109 A= 55.847 *g/mole;
110 density= 7.87 *g/cm3;
111 /*G4Material* Fe=*/ new G4Material("Iron", Z=26., A, density);
112
113 // lead
114 A= 207.2 *g/mole;
115 density= 11.35 *g/cm3;
116 /*G4Material* Pb=*/ new G4Material("Lead", Z=82., A, density);
117
118 // scintillator (Polystyene(C6H5CH=CH2))
119 density= 1.032 *g/cm3;
120 G4Material* Scinti= new G4Material("Scinti", density, nel=2);
121 Scinti-> AddElement(elC, natoms=8);
122 Scinti-> AddElement(elH, natoms=8);
123
124 // quartz (SiO2, crystalline)
125 density= 2.64 *g/cm3;
126 G4Material* Quartz= new G4Material("Quartz", density, nel= 2);
127 Quartz-> AddElement(elSi, natoms=1);
128 Quartz-> AddElement(elO, natoms=2);
129
130 // NaI crystal
131 density= 3.67 *g/cm3;
132 G4Material* NaI= new G4Material("NaI", density, nel= 2);
133 NaI-> AddElement(elNa, natoms=1);
134 NaI-> AddElement(elI, natoms=1);
135
136 // CsI crystal
137 density= 4.51 *g/cm3;
138 G4Material* CsI= new G4Material("CsI", density, nel= 2);
139 CsI-> AddElement(elCs, natoms=1);
140 CsI-> AddElement(elI, natoms=1);
141
142}
@ kStateGas
Definition: G4Material.hh:111
static constexpr double kelvin
Definition: G4SIunits.hh:274
static constexpr double mole
Definition: G4SIunits.hh:279
static constexpr double cm3
Definition: G4SIunits.hh:101
static constexpr double g
Definition: G4SIunits.hh:168
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
const G4int Z[17]
const G4double A[17]
void Construct()
Definition: Qmaterials.cc:36
int universe_mean_density
Definition: hepunit.py:306
float STP_Temperature
Definition: hepunit.py:301