| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // GEANT4 tag $Name:
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| 28 | //
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| 29 | // Author: Alex Howard (alexander.howard@cern.ch)
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| 30 | //
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| 31 | // History:
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| 32 | // -----------
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| 33 | //
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| 34 | // 23rd November 2002 Modified GXe and LXe material tables to include new
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| 35 | // scintillation method - Alex Howard
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| 36 | //
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| 37 | G4double density, // density
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| 38 | a, // atomic mass
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| 39 | z; // atomic number
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| 40 | G4String name, // name
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| 41 | symbol; // symbol
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| 42 | G4int ncomponents, // n components
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| 43 | iz, // number of protons
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| 44 | in; // number of nuceons
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| 45 | G4double abundance, // abundance
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| 46 | temperature, // temperature
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| 47 | pressure; // pressure
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| 48 |
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| 49 |
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| 50 | // making vacuum
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| 51 | G4Material* vacuum = new G4Material
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| 52 | (name="Vacuum", z=1., a=1.*g/mole, density=1.e-20*g/cm3,
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| 53 | kStateGas, temperature=0.1*kelvin, pressure=1.e-20*bar);
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| 54 |
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| 55 |
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| 56 | // xenons
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| 57 | G4Element* elementXe = new G4Element( "Xenon", "Xe", 54., 131.29*g/mole );
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| 58 | G4Material* LXe = new G4Material
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| 59 | ("LXe", 3.02*g/cm3, 1, kStateLiquid, 173.15*kelvin, 1.5*atmosphere );
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| 60 | G4Material* GXe = new G4Material
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| 61 | ("GXe", 0.005887*g/cm3, 1, kStateGas, 173.15*kelvin, 1.5*atmosphere );
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| 62 | LXe->AddElement( elementXe, 1);
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| 63 | GXe->AddElement( elementXe, 1);
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| 64 |
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| 65 | const G4int NUMENTRIES = 3;
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| 66 | // G4double LXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV };
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| 67 | G4double LXe_PP[NUMENTRIES] = { 7.0*eV , 7.07*eV, 7.14*eV };
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| 68 | G4double LXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 };
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| 69 | G4double LXe_RIND[NUMENTRIES] = { 1.59 , 1.57, 1.54 };
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| 70 | G4double LXe_ABSL[NUMENTRIES] = { 35.*cm, 35.*cm, 35.*cm}; //atten length
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| 71 | G4MaterialPropertiesTable *LXe_mt = new G4MaterialPropertiesTable();
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| 72 | LXe_mt->AddProperty("FASTCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES);
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| 73 | LXe_mt->AddProperty("SLOWCOMPONENT", LXe_PP, LXe_SCINT, NUMENTRIES);
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| 74 | LXe_mt->AddProperty("RINDEX", LXe_PP, LXe_RIND, NUMENTRIES);
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| 75 | LXe_mt->AddProperty("ABSLENGTH", LXe_PP, LXe_ABSL, NUMENTRIES);
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| 76 | LXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20%
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| 77 | // and 13eV creation energy for photons - may be 15eV?
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| 78 | // Fano factor assumed 1; should be much less for Xe ~ 0.13
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| 79 | // but the Fano factor is already partially included in the correlated
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| 80 | // electron production - therefore not the absolute Fano factor here:
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| 81 | LXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0);
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| 82 | LXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns);
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| 83 | LXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns);
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| 84 | LXe_mt->AddConstProperty("YIELDRATIO",1.0);
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| 85 | LXe->SetMaterialPropertiesTable(LXe_mt);
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| 86 |
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| 87 | // G4double GXe_PP[NUMENTRIES] = { 7.07*eV, 7.07*eV };
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| 88 | G4double GXe_PP[NUMENTRIES] = { 7.0*eV, 7.07*eV, 7.14*eV };
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| 89 | G4double GXe_SCINT[NUMENTRIES] = { 0.1, 1.0, 0.1 };
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| 90 | G4double GXe_RIND[NUMENTRIES] = { 1.00, 1.00, 1.00 };
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| 91 | G4double GXe_ABSL[NUMENTRIES] = { 100*m, 100*m, 100*m}; //atten length
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| 92 | G4MaterialPropertiesTable *GXe_mt = new G4MaterialPropertiesTable();
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| 93 | GXe_mt->AddProperty("FASTCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES);
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| 94 | GXe_mt->AddProperty("SLOWCOMPONENT", GXe_PP, GXe_SCINT, NUMENTRIES);
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| 95 | GXe_mt->AddProperty("RINDEX", GXe_PP, GXe_RIND, NUMENTRIES);
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| 96 | GXe_mt->AddProperty("ABSLENGTH", GXe_PP, GXe_ABSL, NUMENTRIES);
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| 97 | GXe_mt->AddConstProperty("SCINTILLATIONYIELD",12000./MeV); // include QE 20%
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| 98 | GXe_mt->AddConstProperty("RESOLUTIONSCALE",1.0);
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| 99 | GXe_mt->AddConstProperty("FASTTIMECONSTANT",20.*ns);
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| 100 | GXe_mt->AddConstProperty("SLOWTIMECONSTANT",45.*ns);
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| 101 | GXe_mt->AddConstProperty("YIELDRATIO",1.0);
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| 102 | GXe->SetMaterialPropertiesTable(GXe_mt);
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| 103 |
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| 104 |
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| 105 | // making quartz
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| 106 | G4Element* O = new G4Element
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| 107 | (name="Oxygen" ,symbol="O" , z= 8., a=16.00*g/mole);
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| 108 | G4Element* Si = new G4Element
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| 109 | (name="Silicon",symbol="Si" , z= 14., a=28.09*g/mole);
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| 110 | G4Material* quartz = new G4Material
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| 111 | (name="quartz", density=2.200*g/cm3, ncomponents=2);
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| 112 | quartz->AddElement(Si, 1);
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| 113 | quartz->AddElement(O , 2);
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| 114 |
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| 115 | G4double quartz_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV }; // lambda range 4 ri
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| 116 | G4double quartz_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index
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| 117 | // G4double quartz_RIND[NUMENTRIES] = { 1.45, 1.51, 1.54 }; // ref index
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| 118 | G4double quartz_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length
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| 119 | G4MaterialPropertiesTable *quartz_mt = new G4MaterialPropertiesTable();
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| 120 | quartz_mt->AddProperty("RINDEX", quartz_PP, quartz_RIND, NUMENTRIES);
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| 121 | quartz_mt->AddProperty("ABSLENGTH", quartz_PP, quartz_ABSL, NUMENTRIES);
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| 122 | quartz->SetMaterialPropertiesTable(quartz_mt);
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| 123 |
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| 124 |
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| 125 | // aluminium
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| 126 | G4Element* Al = new G4Element
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| 127 | (name="Aluminium" ,symbol="Al" , z= 13., a=26.98*g/mole);
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| 128 | G4Material* metalAl = new G4Material
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| 129 | (name="MetalAluminium", density=2.700*g/cm3, ncomponents=1);
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| 130 | metalAl->AddElement(Al, 1);
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| 131 |
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| 132 |
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| 133 | // photocathode aluminium
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| 134 | G4Material* cathmetalAl = new G4Material
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| 135 | (name="CathodeMetalAluminium", density=2.700*g/cm3, ncomponents=1);
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| 136 | cathmetalAl->AddElement(Al, 1);
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| 137 |
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| 138 | G4double cathmetal_PP[NUMENTRIES] = { 5.0*eV, 6.69*eV, 7.50*eV };
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| 139 | G4double cathmetal_RIND[NUMENTRIES] = { 1.51, 1.57, 1.61 }; // ref index
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| 140 | G4double cathmetal_ABSL[NUMENTRIES] = { 1.e-20*m, 1.e-20*m, 1.e-20*m };// atten length
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| 141 | // G4double cathmetal_ABSL[NUMENTRIES] = { 3.0*cm, 3.0*cm, 3.0*cm };// atten length
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| 142 | G4MaterialPropertiesTable *cathmetal_mt = new G4MaterialPropertiesTable();
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| 143 | cathmetal_mt->AddProperty("RINDEX", cathmetal_PP, cathmetal_RIND,NUMENTRIES);
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| 144 | cathmetal_mt->AddProperty("ABSLENGTH", cathmetal_PP, cathmetal_ABSL, NUMENTRIES);
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| 145 | cathmetalAl->SetMaterialPropertiesTable(cathmetal_mt);
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| 146 |
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| 147 |
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| 148 | // iron
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| 149 | G4Element* Fe = new G4Element
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| 150 | (name="Iron" ,symbol="Fe" , z= 26., a=55.85*g/mole);
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| 151 | G4Material* metalFe = new G4Material
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| 152 | (name="MetalIron", density=7.874*g/cm3, ncomponents=1);
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| 153 | metalFe->AddElement(Fe, 1);
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| 154 |
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| 155 |
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| 156 | // stainless steel
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| 157 | G4Element* C = new G4Element( "Carbon", "C", 6. , 12.011*g/mole);
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| 158 | G4Element* Co = new G4Element( "Cobalt", "Co", 27. , 58.9332*g/mole);
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| 159 | G4Material* ssteel = new G4Material
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| 160 | (name="Steel", density=7.7*g/cm3, ncomponents=3);
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| 161 | ssteel->AddElement(C, 0.04);
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| 162 | ssteel->AddElement(Fe, 0.88);
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| 163 | ssteel->AddElement(Co, 0.08);
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| 164 |
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| 165 |
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| 166 | // copper
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| 167 | G4Element* Cu = new G4Element
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| 168 | (name="Copper" ,symbol="Cu" , z= 29., a=63.55*g/mole);
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| 169 | G4Material* metalCu = new G4Material
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| 170 | (name="MetalCopper", density=8.960*g/cm3, ncomponents=1);
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| 171 | metalCu->AddElement(Cu, 1);
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| 172 |
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| 173 | // lead
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| 174 | G4Element* Pb = new G4Element
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| 175 | (name="Lead",symbol="Pb" , z= 82., a=207.2*g/mole);
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| 176 | G4Material* metalPb = new G4Material
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| 177 | (name="MetalLead", density=11.340*g/cm3, ncomponents=1);
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| 178 | metalPb->AddElement(Pb, 1);
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| 179 |
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| 180 |
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| 181 | /*
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| 182 | // Americium: - NOTE it's AmO2..........
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| 183 | G4Isotope* Am241 = new G4Isotope
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| 184 | (name="Americium241", iz= 95, in=241, a=241.0*g/mole);
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| 185 | G4Element* Am = new G4Element
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| 186 | (name="Americium241", "Am", ncomponents=1);
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| 187 | Am->AddIsotope(Am241, abundance=1);
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| 188 | G4Material* sourceAm = new G4Material
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| 189 | (name="AmericiumSource", density=13.61*g/cm3, ncomponents=2);
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| 190 | sourceAm->AddElement(Am, 1);
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| 191 | sourceAm->AddElement(O , 2);
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| 192 | */
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| 193 |
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| 194 | // using Uranium because Americium not yet defined for RDM
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| 195 | G4Isotope* U235 = new G4Isotope
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| 196 | (name="Uranium235", iz= 92, in=235, a=235.0*g/mole);
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| 197 | G4Element* U = new G4Element
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| 198 | (name="Uranium", "U", ncomponents=1);
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| 199 | U->AddIsotope(U235, abundance=1);
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| 200 | G4Material* sourceAm = new G4Material
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| 201 | (name="UraniumSource", density=13.61*g/cm3, ncomponents=1);
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| 202 | sourceAm->AddElement(U, 1);
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| 203 |
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| 204 | // air
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| 205 | G4Element* N = new G4Element
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| 206 | (name="Nitrogen",symbol="N" , z= 7., a=14.00674*g/mole);
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| 207 | G4Material* Air = new G4Material
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| 208 | ("AIR", 1.2929*kg/m3, 2, kStateGas, 300.00*kelvin, 1.0*atmosphere);
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| 209 | Air->AddElement(N, 0.8);
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| 210 | Air->AddElement(O , 0.2);
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| 211 |
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| 212 | // liquid nitrogen:
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| 213 | G4Material* LN2 = new G4Material
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| 214 | ("LN2", 0.8*g/cm3, 1, kStateLiquid, 77.*kelvin, 1.0*atmosphere);
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| 215 | LN2->AddElement(N, 1);
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| 216 |
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| 217 | //concrete
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| 218 | G4Element* H = new G4Element
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| 219 | (name="Hydrogen",symbol="H" , z= 1., a=1.00794*g/mole);
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| 220 | G4Element* Ca = new G4Element
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| 221 | (name="Calcium",symbol="Ca" , z= 20., a=40.078*g/mole);
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| 222 | G4Material* concrete = new G4Material
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| 223 | (name="Concrete", density=2.3*g/cm3, ncomponents=6);
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| 224 | concrete->AddElement(Si, 0.227915);
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| 225 | concrete->AddElement(O, 0.60541);
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| 226 | concrete->AddElement(H, 0.09972);
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| 227 | concrete->AddElement(Ca, 0.04986);
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| 228 | concrete->AddElement(Al, 0.014245);
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| 229 | concrete->AddElement(Fe, 0.00285);
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| 230 |
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| 231 |
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| 232 | //water
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| 233 | G4Material* water = new G4Material
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| 234 | (name="water", density=1.00*g/cm3, ncomponents=2);
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| 235 | water->AddElement(H , 2);
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| 236 | water->AddElement(O , 1);
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| 237 |
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| 238 |
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| 239 | // wood
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| 240 | G4Material* wood = new G4Material
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| 241 | (name="wood", density=0.9*g/cm3, ncomponents=3);
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| 242 | wood->AddElement(H , 4);
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| 243 | wood->AddElement(O , 1);
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| 244 | wood->AddElement(C , 2);
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| 245 |
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| 246 | // print materials
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| 247 | // G4cout << *(G4Material::GetMaterialTable()) << G4endl;
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| 248 | // G4cout << *(G4Isotope::GetIsotopeTable()) << G4endl;
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| 249 | // G4cout << *(G4Element::GetElementTable()) << G4endl;
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| 250 |
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| 251 | // assign materials
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| 252 | world_mat = concrete;
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| 253 | lab_mat = Air;
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| 254 | cupboard_mat = wood;
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| 255 | glass_mat = quartz;
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| 256 | panel_mat = metalAl;
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| 257 | door_mat = wood;
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| 258 | desk_mat = wood;
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| 259 | crate_mat = metalAl;
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| 260 | LN2jacket_mat = ssteel;
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| 261 | LN2_mat = LN2;
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| 262 | jacket_mat = ssteel;
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| 263 | jacketflange_mat = ssteel;
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| 264 | vacuum_mat = vacuum;
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| 265 | copper_mat = metalCu;
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| 266 | vessel_mat = ssteel;
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| 267 | // GXe_mat = GXe;
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| 268 | GXe_mat = LXe;
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| 269 | CuShield_mat = metalCu;
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| 270 | LXe_mat = LXe;
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| 271 | alpha_mat = metalPb;
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| 272 | americium_mat = sourceAm;
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| 273 | ring_mat = ssteel;
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| 274 | mirror_mat = metalAl;
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| 275 | grid_mat = LXe;
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| 276 | pmt_mat = quartz;
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| 277 | phcath_mat = cathmetalAl;
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