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29 // Author: Alex Howard (alexander.howard@cern.ch)
34 // 23rd November 2002 Modified GXe and LXe material tables to include new
35 // scintillation method - Alex Howard
37 G4double density, // density
40 G4String name, // name
42 G4int ncomponents, // n components
43 iz, // number of protons
44 in; // number of nuceons
45 G4double abundance, // abundance
46 temperature, // temperature
51 G4Material* vacuum = new G4Material
52 (name="Vacuum", z=1., a=1.*g/mole, density=1.e-20*g/cm3,
53 kStateGas, temperature=0.1*kelvin, pressure=1.e-20*bar);
57 G4Element* elementXe = new G4Element( "Xenon", "Xe", 54., 131.29*g/mole );
58 G4Material* LXe = new G4Material
59 ("LXe", 3.02*g/cm3, 1, kStateLiquid, 173.15*kelvin, 1.5*atmosphere );
60 G4Material* GXe = new G4Material
61 ("GXe", 0.005887*g/cm3, 1, kStateGas, 173.15*kelvin, 1.5*atmosphere );
62 LXe->AddElement( elementXe, 1);
63 GXe->AddElement( elementXe, 1);
65 const G4int NUMENTRIES = 3;
66 // G4double LXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV };
67 G4double LXe_PP[NUMENTRIES] = { 7.0*eV , 7.07*eV, 7.14*eV };
68 G4double LXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 };
69 G4double LXe_RIND[NUMENTRIES] = { 1.59 , 1.57, 1.54 };
70 G4double LXe_ABSL[NUMENTRIES] = { 35.*cm, 35.*cm, 35.*cm}; //atten length
71 G4MaterialPropertiesTable *LXe_mt = new G4MaterialPropertiesTable();
72 LXe_mt->AddProperty("FASTCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES);
73 LXe_mt->AddProperty("SLOWCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES);
74 LXe_mt->AddProperty("RINDEX", LXe_PP, LXe_RIND, NUMENTRIES);
75 LXe_mt->AddProperty("ABSLENGTH", LXe_PP, LXe_ABSL, NUMENTRIES);
76 LXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20%
77 // and 13eV creation energy for photons - may be 15eV?
78 // Fano factor assumed 1; should be much less for Xe ~ 0.13
79 // but the Fano factor is already partially included in the correlated
80 // electron production - therefore not the absolute Fano factor here:
81 LXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0);
82 LXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns);
83 LXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns);
84 LXe_mt->AddConstProperty("YIELDRATIO",1.0);
85 LXe->SetMaterialPropertiesTable(LXe_mt);
87 // G4double GXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV };
88 G4double GXe_PP[NUMENTRIES] = { 7.0*eV, 7.07*eV, 7.14*eV };
89 G4double GXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 };
90 G4double GXe_RIND[NUMENTRIES] = { 1.00, 1.00, 1.00 };
91 G4double GXe_ABSL[NUMENTRIES] = { 100*m, 100*m, 100*m}; //atten length
92 G4MaterialPropertiesTable *GXe_mt = new G4MaterialPropertiesTable();
93 GXe_mt->AddProperty("FASTCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES);
94 GXe_mt->AddProperty("SLOWCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES);
95 GXe_mt->AddProperty("RINDEX", GXe_PP, GXe_RIND, NUMENTRIES);
96 GXe_mt->AddProperty("ABSLENGTH", GXe_PP, GXe_ABSL, NUMENTRIES);
97 GXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20%
98 GXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0);
99 GXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns);
100 GXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns);
101 GXe_mt->AddConstProperty("YIELDRATIO",1.0);
102 GXe->SetMaterialPropertiesTable(GXe_mt);
106 G4Element* O = new G4Element
107 (name="Oxygen" ,symbol="O" , z= 8., a=16.00*g/mole);
108 G4Element* Si = new G4Element
109 (name="Silicon",symbol="Si" , z= 14., a=28.09*g/mole);
110 G4Material* quartz = new G4Material
111 (name="quartz", density=2.200*g/cm3, ncomponents=2);
112 quartz->AddElement(Si, 1);
113 quartz->AddElement(O , 2);
115 G4double quartz_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV }; // lambda range 4 ri
116 G4double quartz_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index
117 // G4double quartz_RIND[NUMENTRIES] = { 1.45, 1.51, 1.54 }; // ref index
118 G4double quartz_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length
119 G4MaterialPropertiesTable *quartz_mt = new G4MaterialPropertiesTable();
120 quartz_mt->AddProperty("RINDEX", quartz_PP, quartz_RIND, NUMENTRIES);
121 quartz_mt->AddProperty("ABSLENGTH", quartz_PP, quartz_ABSL, NUMENTRIES);
122 quartz->SetMaterialPropertiesTable(quartz_mt);
126 G4Element* Al = new G4Element
127 (name="Aluminium" ,symbol="Al" , z= 13., a=26.98*g/mole);
128 G4Material* metalAl = new G4Material
129 (name="MetalAluminium", density=2.700*g/cm3, ncomponents=1);
130 metalAl->AddElement(Al, 1);
133 // photocathode aluminium
134 G4Material* cathmetalAl = new G4Material
135 (name="CathodeMetalAluminium", density=2.700*g/cm3, ncomponents=1);
136 cathmetalAl->AddElement(Al, 1);
138 G4double cathmetal_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV };
139 G4double cathmetal_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index
140 G4double cathmetal_ABSL[NUMENTRIES] = { 1.e-20*m, 1.e-20*m, 1.e-20*m };// atten length
141 // G4double cathmetal_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length
142 G4MaterialPropertiesTable *cathmetal_mt = new G4MaterialPropertiesTable();
143 cathmetal_mt->AddProperty("RINDEX", cathmetal_PP, cathmetal_RIND,NUMENTRIES);
144 cathmetal_mt->AddProperty("ABSLENGTH", cathmetal_PP, cathmetal_ABSL, NUMENTRIES);
145 cathmetalAl->SetMaterialPropertiesTable(cathmetal_mt);
149 G4Element* Fe = new G4Element
150 (name="Iron" ,symbol="Fe" , z= 26., a=55.85*g/mole);
151 G4Material* metalFe = new G4Material
152 (name="MetalIron", density=7.874*g/cm3, ncomponents=1);
153 metalFe->AddElement(Fe, 1);
157 G4Element* C = new G4Element( "Carbon", "C", 6. , 12.011*g/mole);
158 G4Element* Co = new G4Element( "Cobalt", "Co", 27. , 58.9332*g/mole);
159 G4Material* ssteel = new G4Material
160 (name="Steel", density=7.7*g/cm3, ncomponents=3);
161 ssteel->AddElement(C, 0.04);
162 ssteel->AddElement(Fe, 0.88);
163 ssteel->AddElement(Co, 0.08);
167 G4Element* Cu = new G4Element
168 (name="Copper" ,symbol="Cu" , z= 29., a=63.55*g/mole);
169 G4Material* metalCu = new G4Material
170 (name="MetalCopper", density=8.960*g/cm3, ncomponents=1);
171 metalCu->AddElement(Cu, 1);
174 G4Element* Pb = new G4Element
175 (name="Lead",symbol="Pb" , z= 82., a=207.2*g/mole);
176 G4Material* metalPb = new G4Material
177 (name="MetalLead", density=11.340*g/cm3, ncomponents=1);
178 metalPb->AddElement(Pb, 1);
182 // Americium: - NOTE it's AmO2..........
183 G4Isotope* Am241 = new G4Isotope
184 (name="Americium241", iz= 95, in=241, a=241.0*g/mole);
185 G4Element* Am = new G4Element
186 (name="Americium241", "Am", ncomponents=1);
187 Am->AddIsotope(Am241, abundance=1);
188 G4Material* sourceAm = new G4Material
189 (name="AmericiumSource", density=13.61*g/cm3, ncomponents=2);
190 sourceAm->AddElement(Am, 1);
191 sourceAm->AddElement(O , 2);
194 // using Uranium because Americium not yet defined for RDM
195 G4Isotope* U235 = new G4Isotope
196 (name="Uranium235", iz= 92, in=235, a=235.0*g/mole);
197 G4Element* U = new G4Element
198 (name="Uranium", "U", ncomponents=1);
199 U->AddIsotope(U235, abundance=1);
200 G4Material* sourceAm = new G4Material
201 (name="UraniumSource", density=13.61*g/cm3, ncomponents=1);
202 sourceAm->AddElement(U, 1);
205 G4Element* N = new G4Element
206 (name="Nitrogen",symbol="N" , z= 7., a=14.00674*g/mole);
207 G4Material* Air = new G4Material
208 ("AIR", 1.2929*kg/m3, 2, kStateGas, 300.00*kelvin, 1.0*atmosphere);
209 Air->AddElement(N, 0.8);
210 Air->AddElement(O , 0.2);
213 G4Material* LN2 = new G4Material
214 ("LN2", 0.8*g/cm3, 1, kStateLiquid, 77.*kelvin, 1.0*atmosphere);
215 LN2->AddElement(N, 1);
218 G4Element* H = new G4Element
219 (name="Hydrogen",symbol="H" , z= 1., a=1.00794*g/mole);
220 G4Element* Ca = new G4Element
221 (name="Calcium",symbol="Ca" , z= 20., a=40.078*g/mole);
222 G4Material* concrete = new G4Material
223 (name="Concrete", density=2.3*g/cm3, ncomponents=6);
224 concrete->AddElement(Si, 0.227915);
225 concrete->AddElement(O, 0.60541);
226 concrete->AddElement(H, 0.09972);
227 concrete->AddElement(Ca, 0.04986);
228 concrete->AddElement(Al, 0.014245);
229 concrete->AddElement(Fe, 0.00285);
233 G4Material* water = new G4Material
234 (name="water", density=1.00*g/cm3, ncomponents=2);
235 water->AddElement(H , 2);
236 water->AddElement(O , 1);
240 G4Material* wood = new G4Material
241 (name="wood", density=0.9*g/cm3, ncomponents=3);
242 wood->AddElement(H , 4);
243 wood->AddElement(O , 1);
244 wood->AddElement(C , 2);
247 // G4cout << *(G4Material::GetMaterialTable()) << G4endl;
248 // G4cout << *(G4Isotope::GetIsotopeTable()) << G4endl;
249 // G4cout << *(G4Element::GetElementTable()) << G4endl;
252 world_mat = concrete;
260 LN2jacket_mat = ssteel;
263 jacketflange_mat = ssteel;
265 copper_mat = metalCu;
269 CuShield_mat = metalCu;
272 americium_mat = sourceAm;
274 mirror_mat = metalAl;
277 phcath_mat = cathmetalAl;