// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // Author: Mathieu Fontaine, Rachid Mazini // fontaine@lps.umontreal.ca Rachid.Mazini@cern.ch // // Language: C++ // Tested on: g++ // Prerequisites: None // Purpose: This is the place, where all the materials get defined. // Instead of coding those materials locally, where they // are needed, it is much easier to maintain, if we keep // all materials for a detector component in one place. // Everybody who needs some of these parameters, can // query the FCALMaterialConsultant. // --> This class is made a singleton by making the // constructor private and hiding it behind the // construct() method, which creates a first instance // if it does not exist. This is to prevent multiple // copies of this consultant with potentially different // contents (once the data is loaded from files and/or // can be changed by user interaction). // --> The method Material is provided to access to the data // stored, a routine ShowMeAllYouKnow can be queried to // dump the entire knowledge of this consultant. // // * Ideas on how the theFCALMaterialConsultant pointer // is made static are borrowed from G4VisManager. // //---------------------------------------------------------------------------------- #include "FCALMaterialConsultant.hh" #include "globals.hh" FCALMaterialConsultant *FCALMaterialConsultant::theFCALMaterialConsultant = NULL; FCALMaterialConsultant::FCALMaterialConsultant() { G4double a,z,density,fractionmass; G4String name,symbol; G4int nel,natoms; //------------ // elements //------------ a=1.01*g/mole; elH=new G4Element(name="Hydrogen",symbol="H2",z=1.,a); a=2.01*g/mole; elD=new G4Element(name="Deuterium",symbol="D",z=1.,a); a=4.*g/mole; elHe=new G4Element(name="Helium",symbol="He",z=2.,a); a=6.94*g/mole; elLi=new G4Element(name="Lithium",symbol="Li",z=3.,a); a=9.01*g/mole; elBe=new G4Element(name="Berillium",symbol="Be",z=4.,a); a=12.01*g/mole; elC=new G4Element(name="Carbon",symbol="C",z=6.,a); a=14.01*g/mole; elN=new G4Element(name="Nitrogen",symbol="N2",z=7.,a); a=16.*g/mole; elO=new G4Element(name="Oxygen",symbol="O2",z=8.,a); a=20.18*g/mole; elNe=new G4Element(name="Neon",symbol="Ne",z=10.,a); a=22.99*g/mole; elNa=new G4Element(name="Sodium",symbol="Na",z=11.,a); a=26.98*g/mole; elAl=new G4Element(name="Aluminium",symbol="Al",z=13.,a); a=28.085*g/mole; elSi=new G4Element(name="Silicon",symbol="Si",z=14.,a); a=40.08*g/mole; elCa=new G4Element(name="Calcium",symbol="Ca",z=20.,a); a=55.850*g/mole; elFe=new G4Element(name="Iron",symbol="Fe",z=26.,a); a=63.54*g/mole; elCu=new G4Element(name="Copper",symbol="Cu",z=29.,a); a=183.85*g/mole; elW=new G4Element(name="Tungstenm",symbol="W",z=74.,a); a=207.19*g/mole; elPb=new G4Element(name="Lead",symbol="Pb",z=82.,a); a=238.03*g/mole; elU=new G4Element(name="Uranium",symbol="U",z=92.,a); //------------------- // simple materials //------------------- density = 2.7*g/cm3; a = 26.98*g/mole; Aluminium = new G4Material(name="Aluminium",z=13.,a,density); density = 7.87*g/cm3; a = 55.85*g/mole; Iron = new G4Material(name="Iron",z=26.,a,density); density = 8.96*g/cm3; a = 63.54*g/mole; Copper = new G4Material(name="Copper",z=29.,a,density); density = 19.3*g/cm3; a = 183.85*g/mole; Tungsten = new G4Material(name="Tungsten",z=74.,a,density); density = 11.35*g/cm3; a = 207.19*g/mole; Lead = new G4Material(name="Lead",z=82.,a,density); density = 1.4*g/cm3; a = 39.95*g/mole; LiquidArgon = new G4Material(name="LiquidArgon",z=18.,a,density); density = 0.002*g/cm3; a = 39.95*g/mole; ArgonGas = new G4Material(name="ArgonGas",z=18.,a,density); density = 8.96*g/cm3; a = 58.69*g/mole; Nickel = new G4Material(name="Nickel",z=28.,a,density); //------------------ // mixtures //------------------ density = 1.290*mg/cm3; Air = new G4Material(name="Air",density, nel=2); Air->AddElement(elN, 0.7); Air->AddElement(elO, 0.3); RhoaCell = Air; density = 1.e-5*g/cm3; G4double pressure = 2.e-2*bar; G4double temperature = STP_Temperature; //from PhysicalConstants.h G4Material* Vacuum = new G4Material(name="Vacuum", density, nel=1, kStateGas,temperature,pressure); Vacuum->AddMaterial(Air, fractionmass=1.); density = 0.002*g/cm3; CO2 = new G4Material(name="CO2",density,nel=2); CO2->AddElement(elC, natoms=1); CO2->AddElement(elO, natoms=2); density = 1.42*g/cm3; Kapton = new G4Material(name="Kapton",density, nel=4); Kapton->AddElement(elH, fractionmass = 0.0273); Kapton->AddElement(elC, fractionmass = 0.7213); Kapton->AddElement(elN, fractionmass = 0.0765); Kapton->AddElement(elO, fractionmass = 0.1749); density = 1.032*g/cm3; Polystyrene = new G4Material(name="Polystyrene",density,nel=2); Polystyrene->AddElement(elC, natoms=8); Polystyrene->AddElement(elH, natoms=8); density = 5.185*g/cm3; FCAL1CuArKap = new G4Material(name="FCAL1CuArKap",density,nel=3); FCAL1CuArKap->AddMaterial(Copper, fractionmass = 0.864); FCAL1CuArKap->AddMaterial(Kapton, fractionmass = 0.068); FCAL1CuArKap->AddMaterial(LiquidArgon, fractionmass = 0.068); density = 8.701*g/cm3; FCAL1CuAr = new G4Material(name="FCAL1CuAr",density,nel=2); FCAL1CuAr->AddMaterial(Copper, fractionmass = 0.994); FCAL1CuAr->AddMaterial(LiquidArgon, fractionmass = 0.006); density = 5.185*g/cm3; FCAL2CuArKap = new G4Material(name="FCAL2CuArKap",density,nel=3); FCAL2CuArKap->AddMaterial(Copper, fractionmass = 0.864); FCAL2CuArKap->AddMaterial(Kapton, fractionmass = 0.068); FCAL2CuArKap->AddMaterial(LiquidArgon, fractionmass = 0.068); density = 18.6*g/cm3; FCAL2WFeNi = new G4Material(name="FCAL2WFeNi",density,nel=3); FCAL2WFeNi->AddMaterial(Tungsten, fractionmass = 0.97); FCAL2WFeNi->AddMaterial(Iron, fractionmass = 0.01); FCAL2WFeNi->AddMaterial(Nickel, fractionmass = 0.02); density = 15.366*g/cm3; FCAL2WFeNiCuAr = new G4Material(name="FCAL2WFeNiCuAr",density,nel=3); FCAL2WFeNiCuAr->AddMaterial(FCAL2WFeNi, fractionmass = 0.913); FCAL2WFeNiCuAr->AddMaterial(Copper, fractionmass = 0.077); FCAL2WFeNiCuAr->AddMaterial(LiquidArgon, fractionmass = 0.01); density = 0.002*g/cm3; MWPCArCO2 = new G4Material(name="MWPCArCO2",density,nel=2); MWPCArCO2->AddMaterial(CO2, fractionmass = 0.2); MWPCArCO2->AddMaterial(ArgonGas, fractionmass = 0.8); // must check recipe for concrete density = 2.5*g/cm3; ShieldingConcrete = new G4Material(name="ShieldingConcrete",density,nel=6); ShieldingConcrete->AddElement(elO, fractionmass = 0.52); ShieldingConcrete->AddElement(elSi, fractionmass = 0.325); ShieldingConcrete->AddElement(elCa, fractionmass = 0.06); ShieldingConcrete->AddElement(elNa, fractionmass = 0.015); ShieldingConcrete->AddElement(elFe, fractionmass = 0.04); ShieldingConcrete->AddElement(elAl, fractionmass = 0.04); // must have the right composition for stainless steel density = 8.96*g/cm3; StainlessSteel = new G4Material(name="StainlessSteel",density,nel=1); StainlessSteel->AddElement(elO, fractionmass = 1.); } FCALMaterialConsultant * FCALMaterialConsultant::construct() { if (theFCALMaterialConsultant == NULL) { theFCALMaterialConsultant = new FCALMaterialConsultant(); } return theFCALMaterialConsultant; } G4Material * FCALMaterialConsultant::Material(G4String what) { G4Material* material = 0; if(what == "Air") material = Air; if(what == "Vacuum") material = Vacuum; if(what == "LiquidArgon") material = LiquidArgon; if(what == "Aluminium") material = Aluminium; if(what == "Iron") material = Iron; if(what == "Copper") material = Copper; if(what == "Tungsten") material = Tungsten; if(what == "Lead") material = Lead; if(what == "CO2") material = CO2; if(what == "ArgonGas") material = ArgonGas; if(what == "ShieldingConcrete") material = ShieldingConcrete; if(what == "Polystyrene") material = Polystyrene; if(what == "StainlessSteel") material = StainlessSteel; if(what == "Nickel") material = Nickel; if(what == "FCAL1CuArKap") material = FCAL1CuArKap; if(what == "FCAL1CuAr") material = FCAL1CuAr; if(what == "FCAL2CuArKap") material = FCAL2CuArKap; if(what == "FCAL2WFeNi") material = FCAL2WFeNi; if(what == "FCAL2WFeNiCuAr") material = FCAL2WFeNiCuAr; if(what == "MWPCArCO2") material = MWPCArCO2; if(what == "RhoaCell") material = RhoaCell; return material; }