[1199] | 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 | // $Id: G4MaterialsTest.cc,v 1.9 2006/06/29 19:13:14 gunter Exp $ |
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[1315] | 28 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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[1199] | 29 | // |
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| 30 | // |
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| 31 | // ------------------------------------------------------------ |
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| 32 | // |
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| 33 | // |
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| 34 | // This program illustrates the different ways to define materials |
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| 35 | // |
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| 36 | |
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| 37 | #include "G4ios.hh" |
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| 38 | #include "G4Isotope.hh" |
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| 39 | #include "G4Element.hh" |
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| 40 | #include "G4Material.hh" |
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| 41 | #include "G4UnitsTable.hh" |
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| 42 | |
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| 43 | int main() { |
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| 44 | |
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| 45 | G4String name, symbol; // a=mass of a mole; |
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| 46 | G4double a, z, density; // z=mean number of protons; |
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| 47 | G4int iz, n; //iz=nb of protons in an isotope; |
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| 48 | // n=nb of nucleons in an isotope; |
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| 49 | |
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| 50 | G4int ncomponents, natoms; |
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| 51 | G4double abundance, fractionmass; |
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| 52 | G4double temperature, pressure; |
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| 53 | |
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| 54 | G4UnitDefinition::BuildUnitsTable(); |
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| 55 | |
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| 56 | // |
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| 57 | // define Elements |
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| 58 | // |
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| 59 | |
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| 60 | a = 1.01*g/mole; |
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| 61 | G4Element* elH = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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| 62 | |
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| 63 | a = 12.01*g/mole; |
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| 64 | G4Element* elC = new G4Element(name="Carbon" ,symbol="C" , z= 6., a); |
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| 65 | |
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| 66 | a = 14.01*g/mole; |
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| 67 | G4Element* elN = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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| 68 | |
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| 69 | a = 16.00*g/mole; |
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| 70 | G4Element* elO = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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| 71 | |
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| 72 | a = 28.09*g/mole; |
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| 73 | G4Element* elSi = new G4Element(name="Silicon",symbol="Si" , z= 14., a); |
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| 74 | |
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| 75 | a = 55.85*g/mole; |
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| 76 | G4Element* elFe = new G4Element(name="Iron" ,symbol="Fe", z=26., a); |
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| 77 | |
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| 78 | // |
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| 79 | // define an Element from isotopes, by relative abundance |
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| 80 | // |
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| 81 | |
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| 82 | G4Isotope* U5 = new G4Isotope(name="U235", iz=92, n=235); |
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| 83 | G4Isotope* U8 = new G4Isotope(name="U238", iz=92, n=238); |
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| 84 | |
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| 85 | G4Element* elU=new G4Element(name="enriched Uranium",symbol="U",ncomponents=2); |
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| 86 | elU->AddIsotope(U5, abundance= 90.*perCent); |
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| 87 | elU->AddIsotope(U8, abundance= 10.*perCent); |
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| 88 | |
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| 89 | |
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| 90 | G4cout << *(G4Isotope::GetIsotopeTable()) << G4endl; |
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| 91 | |
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| 92 | G4cout << *(G4Element::GetElementTable()) << G4endl; |
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| 93 | |
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| 94 | // |
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| 95 | // define simple materials |
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| 96 | // |
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| 97 | |
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| 98 | density = 2.700*g/cm3; |
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| 99 | a = 26.98*g/mole; |
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| 100 | G4Material* Al = new G4Material(name="Aluminium", z=13., a, density); |
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| 101 | |
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| 102 | density = 1.390*g/cm3; |
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| 103 | a = 39.95*g/mole; |
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| 104 | G4Material* lAr = new G4Material(name="liquidArgon", z=18., a, density); |
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| 105 | |
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| 106 | density = 8.960*g/cm3; |
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| 107 | a = 63.55*g/mole; |
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| 108 | G4Material* Cu = new G4Material(name="Copper" , z=29., a, density); |
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| 109 | |
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| 110 | density = 11.35*g/cm3; |
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| 111 | a = 207.19*g/mole; |
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| 112 | G4Material* Pb = new G4Material(name="Lead " , z=82., a, density); |
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| 113 | |
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| 114 | // |
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| 115 | // define a material from elements. case 1: chemical molecule |
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| 116 | // |
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| 117 | |
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| 118 | density = 1.000*g/cm3; |
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| 119 | G4Material* H2O = new G4Material(name="Water", density, ncomponents=2); |
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| 120 | H2O->AddElement(elH, natoms=2); |
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| 121 | H2O->AddElement(elO, natoms=1); |
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| 122 | |
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| 123 | density = 1.032*g/cm3; |
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| 124 | G4Material* Sci = new G4Material(name="Scintillator", density, ncomponents=2); |
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| 125 | Sci->AddElement(elC, natoms=9); |
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| 126 | Sci->AddElement(elH, natoms=10); |
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| 127 | |
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| 128 | density = 2.200*g/cm3; |
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| 129 | G4Material* SiO2 = new G4Material(name="quartz", density, ncomponents=2); |
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| 130 | SiO2->AddElement(elSi, natoms=1); |
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| 131 | SiO2->AddElement(elO , natoms=2); |
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| 132 | |
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| 133 | // |
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| 134 | // define a material from elements. case 2: mixture by fractional mass |
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| 135 | // |
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| 136 | |
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| 137 | density = 1.290*mg/cm3; |
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| 138 | G4Material* Air = new G4Material(name="Air " , density, ncomponents=2); |
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| 139 | Air->AddElement(elN, fractionmass=0.7); |
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| 140 | Air->AddElement(elO, fractionmass=0.3); |
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| 141 | |
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| 142 | // |
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| 143 | // define a material from elements and/or others materials (mixture of mixtures) |
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| 144 | // |
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| 145 | |
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| 146 | density = 0.200*g/cm3; |
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| 147 | G4Material* Aerog = new G4Material(name="Aerogel", density, ncomponents=3); |
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| 148 | Aerog->AddMaterial(SiO2, fractionmass=0.625); |
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| 149 | Aerog->AddMaterial(H2O , fractionmass=0.374); |
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| 150 | Aerog->AddElement (elC , fractionmass=0.1*perCent); |
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| 151 | |
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| 152 | // |
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| 153 | // examples of gas in non STP conditions |
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| 154 | // |
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| 155 | |
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| 156 | density = 27.*mg/cm3; |
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| 157 | pressure = 50.*atmosphere; |
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| 158 | temperature = 325.*kelvin; |
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| 159 | G4Material* CO2 = new G4Material(name="Carbonic gas", density, ncomponents=2, |
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| 160 | kStateGas,temperature,pressure); |
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| 161 | CO2->AddElement(elC, natoms=1); |
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| 162 | CO2->AddElement(elO, natoms=2); |
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| 163 | |
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| 164 | density = 2.67*mg/cm3; |
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| 165 | pressure = 1.*atmosphere; |
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| 166 | temperature = 273.15*kelvin; |
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| 167 | G4Material* C4H10 = new G4Material(name="isobutane", density, ncomponents=2, |
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| 168 | kStateGas,temperature,pressure); |
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| 169 | C4H10->AddElement(elC, natoms=4); |
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| 170 | C4H10->AddElement(elH, natoms=10); |
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| 171 | |
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| 172 | density = 0.3*mg/cm3; |
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| 173 | pressure = 2.*atmosphere; |
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| 174 | temperature = 500.*kelvin; |
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| 175 | G4Material* steam = new G4Material(name="Water steam ", density, ncomponents=1, |
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| 176 | kStateGas,temperature,pressure); |
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| 177 | steam->AddMaterial(H2O, fractionmass=1.); |
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| 178 | |
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| 179 | // |
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| 180 | // examples of vacuum |
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| 181 | // |
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| 182 | |
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| 183 | density = universe_mean_density; //from PhysicalConstants.h |
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| 184 | pressure = 3.e-18*pascal; |
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| 185 | temperature = 2.73*kelvin; |
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| 186 | new G4Material(name="Galactic", z=1., a=1.01*g/mole, density, |
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| 187 | kStateGas,temperature,pressure); |
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| 188 | |
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| 189 | density = 1.e-5*g/cm3; |
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| 190 | pressure = 2.e-2*bar; |
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| 191 | temperature = STP_Temperature; //from PhysicalConstants.h |
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| 192 | G4Material* beam = new G4Material(name="Beam ", density, ncomponents=1, |
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| 193 | kStateGas,temperature,pressure); |
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| 194 | beam->AddMaterial(Air, fractionmass=1.); |
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| 195 | |
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| 196 | // |
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| 197 | // Print the table of materials |
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| 198 | // |
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| 199 | |
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| 200 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 201 | |
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| 202 | // |
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| 203 | // print additional informations |
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| 204 | // |
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| 205 | G4cout << " Nuclear interaction length of Aluminium: " |
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| 206 | << Al->GetNuclearInterLength()/cm << " cm" << G4endl; |
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| 207 | |
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| 208 | G4cout << " Nuclear interaction length of Lead: " |
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| 209 | << Pb->GetNuclearInterLength()/cm << " cm" << G4endl; |
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| 210 | |
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| 211 | G4cout << " Nuclear interaction length of Water: " |
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| 212 | << H2O->GetNuclearInterLength()/cm << " cm" << G4endl; |
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| 213 | |
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| 214 | G4cout << " Nuclear interaction length of Aerogel: " |
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| 215 | << Aerog->GetNuclearInterLength()/cm << " cm" << G4endl; |
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| 216 | |
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| 217 | return EXIT_SUCCESS; |
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| 218 | } |
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