LArSoft  v09_90_00
Liquid Argon Software toolkit - https://larsoft.org/
Public Member Functions | List of all members
QMaterials Class Reference

#include "QMaterials.hh"

Public Member Functions

 QMaterials ()
 
 ~QMaterials ()
 
void Construct ()
 

Detailed Description

Definition at line 41 of file QMaterials.hh.

Constructor & Destructor Documentation

QMaterials::QMaterials ( )

Definition at line 43 of file QMaterials.cc.

45 {
46 }
QMaterials::~QMaterials ( )

Definition at line 50 of file QMaterials.cc.

52 {
53 }

Member Function Documentation

void QMaterials::Construct ( )

Definition at line 57 of file QMaterials.cc.

References Z.

Referenced by BOOST_PYTHON_MODULE().

59 {
60  G4double A, Z;
61 
62  // ------------------------------------------------------------------------
63  // Elements
64  // ------------------------------------------------------------------------
65  G4Element* elH = new G4Element("Hydrogen","H", Z=1., A=1.00794*g/mole);
66  G4Element* elC = new G4Element("Carbon", "C", Z=6., A= 12.011 *g/mole);
67  G4Element* elN = new G4Element("Nitrogen","N", Z=7., A= 14.00674*g/mole);
68  G4Element* elO = new G4Element("Oxygen", "O", Z=8., A= 15.9994*g/mole);
69  G4Element* elNa = new G4Element("Sodium", "Na", Z=11., A= 22.989768*g/mole);
70  G4Element* elSi = new G4Element("Silicon", "Si", Z=14., A= 28.0855*g/mole);
71  G4Element* elAr = new G4Element("Argon", "Ar", Z=18., A= 39.948*g/mole);
72  G4Element* elI = new G4Element("Iodine", "I", Z=53., A= 126.90447*g/mole);
73  G4Element* elCs = new G4Element("Cesium", "Cs", Z=55., A= 132.90543*g/mole);
74 
75  // ------------------------------------------------------------------------
76  // Materials
77  // ------------------------------------------------------------------------
78  G4double density, massfraction;
79  G4int natoms, nel;
80 
81  // temperature of experimental hall is controlled at 20 degree.
82  const G4double expTemp= STP_Temperature+20.*kelvin;
83 
84  // vacuum
85  density= universe_mean_density;
86  G4Material* Vacuum= new G4Material("Vacuum", density, nel=2);
87  Vacuum-> AddElement(elN, .7);
88  Vacuum-> AddElement(elO, .3);
89 
90  // air
91  density= 1.2929e-03 *g/cm3; // at 20 degree
92  G4Material* Air= new G4Material("Air", density, nel=3,
93  kStateGas, expTemp);
94  G4double ttt= 75.47+23.20+1.28;
95  Air-> AddElement(elN, massfraction= 75.47/ttt);
96  Air-> AddElement(elO, massfraction= 23.20/ttt);
97  Air-> AddElement(elAr, massfraction= 1.28/ttt);
98 
99  // Ar gas
100  A= 39.948 *g/mole;
101  const G4double denAr= 1.782e-03 *g/cm3 * STP_Temperature/expTemp;
102  G4Material* Ar= new G4Material("ArgonGas", Z=18., A, denAr,
103  kStateGas, expTemp);
104 
105  // ethane (C2H6)
106  const G4double denEthane= 1.356e-3 *g/cm3 * STP_Temperature/expTemp;
107  G4Material* Ethane= new G4Material("Ethane", denEthane, nel=2,
108  kStateGas, expTemp);
109  Ethane-> AddElement(elC, natoms=2);
110  Ethane-> AddElement(elH, natoms=6);
111 
112  // Ar(50%) + ethane(50%) mixture
113  density= (denAr+denEthane)/2.;
114  G4Material* ArEthane= new G4Material("ArEthane", density, nel=2,
115  kStateGas, expTemp);
116  ArEthane-> AddMaterial(Ar, massfraction= denAr/density/2.);
117  ArEthane-> AddMaterial(Ethane, massfraction= denEthane/density/2.);
118 
119  // silicon
120  A= 28.0855 *g/mole;
121  density= 2.33 *g/cm3;
122  G4Material* Si= new G4Material("SiliconWafer", Z=14., A, density);
123 
124  // alminium
125  A= 26.98 *g/mole;
126  density= 2.70 *g/cm3;
127  G4Material* Al= new G4Material("Al", Z=13., A, density);
128 
129  // iron
130  A= 55.847 *g/mole;
131  density= 7.87 *g/cm3;
132  G4Material* Fe= new G4Material("Iron", Z=26., A, density);
133 
134  // lead
135  A= 207.2 *g/mole;
136  density= 11.35 *g/cm3;
137  G4Material* Pb= new G4Material("Lead", Z=82., A, density);
138 
139  // scintillator (Polystyene(C6H5CH=CH2))
140  density= 1.032 *g/cm3;
141  G4Material* Scinti= new G4Material("Scinti", density, nel=2);
142  Scinti-> AddElement(elC, natoms=8);
143  Scinti-> AddElement(elH, natoms=8);
144 
145  // quartz (SiO2, crystalline)
146  density= 2.64 *g/cm3;
147  G4Material* Quartz= new G4Material("Quartz", density, nel= 2);
148  Quartz-> AddElement(elSi, natoms=1);
149  Quartz-> AddElement(elO, natoms=2);
150 
151  // NaI crystal
152  density= 3.67 *g/cm3;
153  G4Material* NaI= new G4Material("NaI", density, nel= 2);
154  NaI-> AddElement(elNa, natoms=1);
155  NaI-> AddElement(elI, natoms=1);
156 
157  // CsI crystal
158  density= 4.51 *g/cm3;
159  G4Material* CsI= new G4Material("CsI", density, nel= 2);
160  CsI-> AddElement(elCs, natoms=1);
161  CsI-> AddElement(elI, natoms=1);
162 
163 }
Z
Float_t Z
Definition: plot.C:37
The documentation for this class was generated from the following files: