[807] | 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 | // -------------------------------------------------------------- |
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| 28 | // GEANT 4 - Underground Dark Matter Detector Advanced Example |
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| 29 | // |
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| 30 | // For information related to this code contact: Alex Howard |
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| 31 | // e-mail: alexander.howard@cern.ch |
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| 32 | // -------------------------------------------------------------- |
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| 33 | // Comments |
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| 34 | // |
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| 35 | // Underground Advanced |
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| 36 | // by A. Howard and H. Araujo |
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| 37 | // (27th November 2001) |
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| 38 | // |
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| 39 | // DetectorConstruction program |
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| 40 | // -------------------------------------------------------------- |
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| 41 | |
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| 42 | #include "DMXDetectorConstruction.hh" |
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| 43 | #include "DMXDetectorMessenger.hh" |
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| 44 | |
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| 45 | #include "DMXScintSD.hh" |
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| 46 | #include "DMXPmtSD.hh" |
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| 47 | |
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| 48 | #include "G4Material.hh" |
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| 49 | #include "G4MaterialTable.hh" |
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| 50 | #include "G4Element.hh" |
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| 51 | #include "G4Isotope.hh" |
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| 52 | #include "G4UnitsTable.hh" |
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| 53 | #include "G4Box.hh" |
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| 54 | #include "G4Tubs.hh" |
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| 55 | #include "G4Sphere.hh" |
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| 56 | #include "G4UnionSolid.hh" |
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| 57 | #include "G4SubtractionSolid.hh" |
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| 58 | |
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| 59 | #include "G4LogicalVolume.hh" |
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| 60 | #include "G4PVPlacement.hh" |
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| 61 | #include "G4ThreeVector.hh" |
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| 62 | #include "G4RotationMatrix.hh" |
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| 63 | #include "G4Transform3D.hh" |
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| 64 | #include "G4LogicalBorderSurface.hh" |
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| 65 | #include "G4LogicalSkinSurface.hh" |
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| 66 | #include "G4OpBoundaryProcess.hh" |
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| 67 | |
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| 68 | #include "G4FieldManager.hh" |
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| 69 | #include "G4UniformElectricField.hh" |
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| 70 | #include "G4TransportationManager.hh" |
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| 71 | #include "G4MagIntegratorStepper.hh" |
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| 72 | #include "G4EqMagElectricField.hh" |
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| 73 | #include "G4ClassicalRK4.hh" |
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| 74 | #include "G4ChordFinder.hh" |
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| 75 | |
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| 76 | #include "G4SDManager.hh" |
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| 77 | |
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| 78 | #include "G4VisAttributes.hh" |
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| 79 | #include "G4Colour.hh" |
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| 80 | |
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| 81 | #include "G4UserLimits.hh" |
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| 82 | |
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| 83 | #include "G4RunManager.hh" |
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| 84 | |
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| 85 | |
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| 86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 87 | DMXDetectorConstruction::DMXDetectorConstruction() |
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| 88 | { |
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| 89 | // create commands for interactive definition of time cuts: |
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| 90 | detectorMessenger = new DMXDetectorMessenger(this); |
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| 91 | |
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| 92 | theUserLimitsForRoom = 0; |
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| 93 | theUserLimitsForDetector = 0; |
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| 94 | // default time cut = infinite |
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| 95 | // - note also number of steps cut in stepping action = MaxNoSteps |
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| 96 | theMaxTimeCuts = DBL_MAX; |
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| 97 | theMaxStepSize = DBL_MAX; |
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| 98 | theDetectorStepSize = DBL_MAX; |
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| 99 | theRoomTimeCut = 1000. * nanosecond; |
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| 100 | theMinEkine = 250.0*eV; // minimum kinetic energy required in volume |
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| 101 | theRoomMinEkine = 250.0*eV; // minimum kinetic energy required in volume |
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| 102 | |
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| 103 | } |
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| 104 | |
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| 105 | |
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| 106 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 107 | DMXDetectorConstruction::~DMXDetectorConstruction() |
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| 108 | { |
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| 109 | delete theUserLimitsForRoom; |
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| 110 | delete theUserLimitsForDetector; |
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| 111 | delete detectorMessenger; |
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| 112 | } |
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| 113 | |
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| 114 | |
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| 115 | |
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| 116 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 117 | void DMXDetectorConstruction::DefineMaterials() |
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| 118 | { |
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| 119 | |
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| 120 | #include "DMXDetectorMaterial.icc" |
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| 121 | |
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| 122 | } |
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| 123 | |
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| 124 | |
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| 125 | /* |
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| 126 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 127 | void DMXDetectorConstruction::DefineField() { |
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| 128 | |
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| 129 | #include "DMXDetectorField.icc" |
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| 130 | |
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| 131 | } |
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| 132 | */ |
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| 133 | |
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| 134 | |
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| 135 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 136 | G4VPhysicalVolume* DMXDetectorConstruction::Construct() { |
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| 137 | |
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| 138 | DefineMaterials(); |
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| 139 | |
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| 140 | // DefineField(); |
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| 141 | |
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| 142 | // make colours |
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| 143 | G4Colour white (1.0, 1.0, 1.0) ; |
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| 144 | G4Colour grey (0.5, 0.5, 0.5) ; |
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| 145 | G4Colour lgrey (.85, .85, .85) ; |
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| 146 | G4Colour red (1.0, 0.0, 0.0) ; |
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| 147 | G4Colour blue (0.0, 0.0, 1.0) ; |
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| 148 | G4Colour cyan (0.0, 1.0, 1.0) ; |
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| 149 | G4Colour magenta (1.0, 0.0, 1.0) ; |
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| 150 | G4Colour yellow (1.0, 1.0, 0.0) ; |
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| 151 | G4Colour orange (.75, .55, 0.0) ; |
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| 152 | G4Colour lblue (0.0, 0.0, .75) ; |
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| 153 | G4Colour lgreen (0.0, .75, 0.0) ; |
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| 154 | G4Colour green (0.0, 1.0, 0.0) ; |
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| 155 | G4Colour brown (0.7, 0.4, 0.1) ; |
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| 156 | |
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| 157 | |
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| 158 | // un-used colours: |
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| 159 | // G4Colour black (0.0, 0.0, 0.0) ; |
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| 160 | |
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| 161 | |
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| 162 | |
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| 163 | // Universe - room wall - CONCRETE **************************************** |
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| 164 | |
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| 165 | //NB: measured INSIDE of lab, therefore have to add twice wall thickness |
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| 166 | G4double wallThick = 24.*cm; |
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| 167 | G4double worldWidth = 470.0*cm + 2.*wallThick; // "x" |
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| 168 | G4double worldLength = 690.0*cm + 2.*wallThick; // "y" |
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| 169 | G4double worldHeight = 280.0*cm + 2.*wallThick; // "z" |
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| 170 | |
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| 171 | G4Box* world_box = new G4Box |
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| 172 | ("world_box", 0.5*worldWidth, 0.5*worldLength, 0.5*worldHeight ); |
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| 173 | world_log = new G4LogicalVolume(world_box, world_mat, "world_log"); |
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| 174 | world_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
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| 175 | "world_phys", world_log, NULL, false,0); |
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| 176 | |
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| 177 | // G4VisAttributes* world_vat= new G4VisAttributes(white); |
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| 178 | world_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 179 | //world_vat->SetVisibility(true); |
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| 180 | //world_vat->SetVisibility(false); |
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| 181 | //world_log->SetVisAttributes(world_vat); |
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| 182 | |
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| 183 | |
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| 184 | // Lab Space - AIR ******************************************************** |
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| 185 | |
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| 186 | G4double labWidth = worldWidth - 2.*wallThick; //X |
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| 187 | G4double labLength = worldLength - 2.*wallThick; //Y |
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| 188 | G4double labHeight = worldHeight - 2.*wallThick; //Z |
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| 189 | |
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| 190 | G4Box* lab_box = new G4Box |
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| 191 | ("lab_box", 0.5*labWidth, 0.5*labLength, 0.5*labHeight ); |
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| 192 | lab_log = new G4LogicalVolume(lab_box, lab_mat, "lab_log"); |
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| 193 | lab_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), "lab_phys", |
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| 194 | lab_log, world_phys, false,0); |
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| 195 | |
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| 196 | G4VisAttributes* lab_vat= new G4VisAttributes(white); |
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| 197 | // lab_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 198 | // lab_vat->SetVisibility(true); |
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| 199 | lab_vat->SetVisibility(false); |
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| 200 | lab_log->SetVisAttributes(lab_vat); |
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| 201 | |
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| 202 | // include room furniture: ************************************************** |
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| 203 | |
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| 204 | #include "DMXDetectorRoom.icc" |
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| 205 | |
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| 206 | // Now start with detector assembly: |
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| 207 | |
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| 208 | // first LN2 cooling container: ******************************************* |
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| 209 | |
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| 210 | G4double PosZ = -25.3*cm; // extra z-pos to correspond with height in lab |
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| 211 | |
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| 212 | G4double LN2jacketRadius = 107.5*mm; |
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| 213 | G4double LN2jacketHeight = 590.0*mm; |
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| 214 | G4double jacketHeight = 680.0*mm; |
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| 215 | G4double jacketflangeHeight = 53.0*mm; |
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| 216 | G4double LN2PosZ = 0.5*jacketHeight + 0.5*LN2jacketHeight |
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| 217 | + jacketflangeHeight + PosZ; |
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| 218 | |
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| 219 | G4Tubs* LN2jacket_tube = new G4Tubs("LN2jacket_tube", |
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| 220 | 0.*cm, LN2jacketRadius, 0.5*LN2jacketHeight, 0.*deg, 360.*deg); |
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| 221 | LN2jacket_log = new G4LogicalVolume |
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| 222 | (LN2jacket_tube, LN2jacket_mat, "LN2jacket_log"); |
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| 223 | LN2jacket_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,LN2PosZ), |
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| 224 | "LN2jacket_phys", LN2jacket_log, lab_phys, false,0); |
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| 225 | |
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| 226 | G4VisAttributes* LN2jacket_vat = new G4VisAttributes(lgrey); |
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| 227 | // LN2jacket_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 228 | // LN2jacket_vat->SetVisibility(true); |
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| 229 | LN2jacket_log->SetVisAttributes(LN2jacket_vat); |
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| 230 | |
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| 231 | // LN2jacket vacuum: ********************** |
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| 232 | |
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| 233 | G4double LN2jacketMetalThick = 2.0*mm; |
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| 234 | G4double LN2vacuumRadius = LN2jacketRadius - LN2jacketMetalThick; |
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| 235 | G4double LN2vacuumHeight = LN2jacketHeight - LN2jacketMetalThick; |
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| 236 | |
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| 237 | G4Tubs* LN2vacuum_tube = new G4Tubs("LN2vacuum_tube", |
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| 238 | 0.*cm, LN2vacuumRadius, 0.5*LN2vacuumHeight, 0.*deg, 360.*deg); |
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| 239 | LN2vacuum_log = new G4LogicalVolume |
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| 240 | (LN2vacuum_tube, vacuum_mat, "LN2vacuum_log"); |
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| 241 | LN2vacuum_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
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| 242 | "LN2vacuum_phys", LN2vacuum_log, LN2jacket_phys, false,0); |
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| 243 | |
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| 244 | LN2vacuum_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 245 | |
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| 246 | // LN2 vessel: ************************************************************ |
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| 247 | |
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| 248 | G4double LN2Radius = 76.0*mm; |
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| 249 | G4double LN2Height = 590.0*mm - 2.*LN2jacketMetalThick; |
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| 250 | G4double LN2vesselRadius = LN2Radius + LN2jacketMetalThick; |
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| 251 | G4double LN2vesselHeight = LN2Height; |
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| 252 | G4double LN2vesselPosZ = 0.5*LN2vacuumHeight - 0.5*LN2vesselHeight; |
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| 253 | |
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| 254 | G4Tubs* LN2vessel_tube = new G4Tubs("LN2vessel_tube", |
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| 255 | 0.*cm, LN2vesselRadius, 0.5*LN2vesselHeight, 0.*deg, 360.*deg); |
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| 256 | LN2vessel_log = new G4LogicalVolume |
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| 257 | (LN2vessel_tube, LN2jacket_mat, "LN2vessel_log"); |
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| 258 | LN2vessel_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,LN2vesselPosZ), |
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| 259 | "LN2vessel_phys", LN2vessel_log, LN2vacuum_phys, false,0); |
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| 260 | |
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| 261 | G4VisAttributes* LN2vessel_vat = new G4VisAttributes(lgrey); |
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| 262 | // LN2vessel_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 263 | // LN2vessel_vat->SetVisibility(true); |
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| 264 | LN2vessel_log->SetVisAttributes(LN2vessel_vat); |
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| 265 | |
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| 266 | |
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| 267 | // and finally LN2: ******************************************************* |
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| 268 | |
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| 269 | G4Tubs* LN2_tube = new G4Tubs("LN2_tube", |
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| 270 | 0.*cm, LN2Radius, 0.5*LN2Height, 0.*deg, 360.*deg); |
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| 271 | LN2_log = new G4LogicalVolume(LN2_tube, LN2_mat, "LN2_log"); |
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| 272 | LN2_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
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| 273 | "LN2_phys", LN2_log, LN2vessel_phys, false,0); |
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| 274 | |
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| 275 | G4VisAttributes* LN2_vat = new G4VisAttributes(green); |
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| 276 | LN2_vat->SetVisibility(true); |
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| 277 | LN2_log->SetVisAttributes(LN2_vat); |
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| 278 | |
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| 279 | |
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| 280 | // outer vacuum jacket volume: stainless steel **************************** |
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| 281 | |
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| 282 | G4double jacketRadius = 127.5*mm; |
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| 283 | // G4double jacketHeight = 680.0*mm; // defined above to get full-height |
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| 284 | G4double jacketMetalThick = LN2jacketMetalThick; |
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| 285 | |
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| 286 | G4Tubs* jacket_tube = new G4Tubs("jacket_tube", |
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| 287 | 0.*cm, jacketRadius, 0.5*jacketHeight, 0.*deg, 360.*deg); |
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| 288 | jacket_log = new G4LogicalVolume(jacket_tube, jacket_mat, "jacket_log"); |
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| 289 | jacket_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,PosZ), |
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| 290 | "jacket_phys", jacket_log, lab_phys, false,0); |
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| 291 | |
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| 292 | G4VisAttributes* jacket_vat = new G4VisAttributes(grey); |
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| 293 | // jacket_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 294 | jacket_log->SetVisAttributes(jacket_vat); |
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| 295 | |
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| 296 | |
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| 297 | // outer vacuum jacket flanges: stainless steel ************************* |
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| 298 | |
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| 299 | G4double jacketflangeRadius = 127.5*mm; |
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| 300 | // G4double jacketflangeHeight = 53.0*mm; // defined above to get full-height |
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| 301 | G4double topjacketflangePosZ = 0.5*(jacketHeight+jacketflangeHeight); |
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| 302 | |
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| 303 | G4Tubs* jacketflange_tube = new G4Tubs("jacketflange_tube", |
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| 304 | 0.*cm, jacketflangeRadius, 0.5*jacketflangeHeight, 0.*deg, 360.*deg); |
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| 305 | jacketflange_log = new G4LogicalVolume |
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| 306 | (jacketflange_tube, jacketflange_mat, "jacketflange_log"); |
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| 307 | topjacketflange_phys = new G4PVPlacement |
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| 308 | (0, G4ThreeVector(0.,0.,topjacketflangePosZ + PosZ), |
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| 309 | "topjacketflange_phys", jacketflange_log, lab_phys, false,0); |
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| 310 | bottomjacketflange_phys = new G4PVPlacement |
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| 311 | (0, G4ThreeVector(0.,0.,-topjacketflangePosZ + PosZ), |
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| 312 | "bottomjacketflange_phys", jacketflange_log, lab_phys, false,0); |
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| 313 | |
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| 314 | // jacketflange_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 315 | jacketflange_log->SetVisAttributes(jacket_vat); |
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| 316 | |
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| 317 | // vacuum ************************************************************** |
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| 318 | |
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| 319 | G4double vacuumRadius = jacketRadius - jacketMetalThick; |
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| 320 | G4double vacuumHeight = jacketHeight - jacketMetalThick; |
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| 321 | |
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| 322 | G4Tubs* vacuum_tube = new G4Tubs("vacuum_tube", |
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| 323 | 0.*cm, vacuumRadius, 0.5*vacuumHeight, 0.*deg, 360.*deg); |
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| 324 | vacuum_log = new G4LogicalVolume(vacuum_tube, vacuum_mat, "vacuum_log"); |
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| 325 | vacuum_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
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| 326 | "vacuum_phys", vacuum_log, jacket_phys, false,0); |
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| 327 | |
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| 328 | // G4VisAttributes* vacuum_vat= new G4VisAttributes(lgrey); |
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| 329 | vacuum_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 330 | |
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| 331 | |
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| 332 | // copper cooling jacket volume: ************************************** |
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| 333 | |
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| 334 | G4double copperMetalThick = 3.0*mm; |
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| 335 | G4double copperRadius = 103.5*mm + copperMetalThick; |
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| 336 | G4double copperHeight = 420.0*mm; |
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| 337 | G4double copperInner = copperRadius - copperMetalThick; |
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| 338 | G4double vesselHeight = 320.0*mm; |
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| 339 | G4double copperVPos = 0.5*(vesselHeight-copperHeight) + 13.0*cm; |
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| 340 | G4double coppertopThick = 1.0*cm; |
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| 341 | G4double coppertopVPos = copperVPos + 0.5*(coppertopThick+copperHeight); |
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| 342 | |
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| 343 | G4Tubs* copper_tube = new G4Tubs("copper_tube", |
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| 344 | copperInner, copperRadius, 0.5*copperHeight, 0.*deg, 360.*deg); |
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| 345 | copper_log = new G4LogicalVolume(copper_tube, copper_mat, "copper_log"); |
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| 346 | copper_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,copperVPos), |
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| 347 | "copper_phys", copper_log, vacuum_phys, false,0); |
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| 348 | |
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| 349 | G4Tubs* coppertop_tube = new G4Tubs("coppertop_tube", |
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| 350 | 0.*cm, copperRadius, 0.5*coppertopThick, 0.*deg, 360.*deg); |
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| 351 | coppertop_log = new G4LogicalVolume |
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| 352 | (coppertop_tube, copper_mat, "coppertop_log"); |
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| 353 | coppertop_phys = new G4PVPlacement(0,G4ThreeVector(0.,0.,coppertopVPos), |
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| 354 | "coppertop_phys", coppertop_log, vacuum_phys, false,0); |
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| 355 | |
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| 356 | G4VisAttributes* copper_vat = new G4VisAttributes(orange); |
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| 357 | // copper_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 358 | copper_log->SetVisAttributes(copper_vat); |
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| 359 | coppertop_log->SetVisAttributes(copper_vat); |
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| 360 | |
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| 361 | // inner vessel jacket volume: stainless steel ************************ |
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| 362 | |
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| 363 | // G4double vesselHeight = 320.0*mm; // - moved earlier |
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| 364 | G4double vesselMetalThick = jacketMetalThick; |
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| 365 | G4double vesselRadius = 75.0*mm + vesselMetalThick; |
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| 366 | G4double vesselflangeRadius = 101.5*mm; |
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| 367 | G4double vesselflangeThick = 40.0*mm; |
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| 368 | G4double PMTvesselRadius = 31.0*mm + vesselMetalThick; |
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| 369 | G4double PMTvesselHeight = 152.0*mm; |
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| 370 | G4double pmtvesselflangeRadius = 52.0*mm; |
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| 371 | G4double pmtvesselflangeThick = 32.0*mm; |
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| 372 | G4double vesselVPos = 7.0*cm; |
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| 373 | G4double TotalvesselHeight = PMTvesselHeight + vesselHeight; |
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| 374 | |
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| 375 | G4Tubs* vessel_tube = new G4Tubs("vessel_tube", |
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| 376 | 0.*cm, vesselRadius, 0.5*vesselHeight, 0.*deg, 360.*deg); |
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| 377 | G4Tubs* PMTvessel_tube = new G4Tubs("PMTvessel_tube", |
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| 378 | 0.*cm, PMTvesselRadius, 0.5*PMTvesselHeight, 0.*deg, 360.*deg); |
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| 379 | |
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| 380 | G4UnionSolid* vessel_sol = new G4UnionSolid |
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| 381 | ("vessel_sol", vessel_tube, PMTvessel_tube, |
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| 382 | G4Transform3D(G4RotationMatrix(), |
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| 383 | G4ThreeVector(0,0,-0.5*(vesselHeight+PMTvesselHeight)))); |
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| 384 | |
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| 385 | vessel_log = new G4LogicalVolume(vessel_sol, vessel_mat, "vessel_log"); |
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| 386 | vessel_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,vesselVPos), |
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| 387 | "vessel_phys", vessel_log, vacuum_phys, false,0); |
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| 388 | |
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| 389 | |
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| 390 | // flanges: 1=upper half (diff. inner diam.) 2=lower half |
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| 391 | G4Tubs* vesseltop_flange1 = new G4Tubs("vesseltop_flange1", |
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| 392 | 0.*cm, vesselflangeRadius, 0.25*vesselflangeThick, 0.*deg, 360.*deg); |
---|
| 393 | vesseltop_log1 = new G4LogicalVolume |
---|
| 394 | (vesseltop_flange1, vessel_mat, "vesseltop_log1"); |
---|
| 395 | vesseltop_phys1 = new G4PVPlacement |
---|
| 396 | (0, |
---|
| 397 | G4ThreeVector(0.,0.,0.5*(vesselHeight+0.5*vesselflangeThick)+vesselVPos), |
---|
| 398 | "vesseltop_phys1", vesseltop_log1, vacuum_phys, false,0); |
---|
| 399 | |
---|
| 400 | G4Tubs* vesseltop_flange2 = new G4Tubs("vesseltop_flange2",vesselRadius, |
---|
| 401 | vesselflangeRadius, 0.25*vesselflangeThick, 0.*deg, 360.*deg); |
---|
| 402 | vesseltop_log2 = new G4LogicalVolume |
---|
| 403 | (vesseltop_flange2, vessel_mat, "vesseltop_log2"); |
---|
| 404 | vesseltop_phys2 = new G4PVPlacement |
---|
| 405 | (0, |
---|
| 406 | G4ThreeVector(0.,0.,0.5*(vesselHeight-0.5*vesselflangeThick)+vesselVPos), |
---|
| 407 | "vesseltop_phys2", vesseltop_log2, vacuum_phys, false,0); |
---|
| 408 | |
---|
| 409 | |
---|
| 410 | G4Tubs* vesselbottom_flange1 = new G4Tubs |
---|
| 411 | ("vesselbottom_flange1",vesselRadius, vesselflangeRadius, |
---|
| 412 | 0.25*vesselflangeThick, 0.*deg, 360.*deg); |
---|
| 413 | vesselbottom_log1 = new G4LogicalVolume |
---|
| 414 | (vesselbottom_flange1, vessel_mat, "vesselbottom_log1"); |
---|
| 415 | vesselbottom_phys1 = new G4PVPlacement(0, |
---|
| 416 | G4ThreeVector(0.,0.,-0.5*(vesselHeight-0.5*vesselflangeThick)+vesselVPos), |
---|
| 417 | "vesselbottom_phys1", vesselbottom_log1, vacuum_phys, false,0); |
---|
| 418 | |
---|
| 419 | G4Tubs* vesselbottom_flange2 = new G4Tubs |
---|
| 420 | ("vesselbottom_flange2",PMTvesselRadius, vesselflangeRadius, |
---|
| 421 | 0.25*vesselflangeThick, 0.*deg, 360.*deg); |
---|
| 422 | vesselbottom_log2 = new G4LogicalVolume |
---|
| 423 | (vesselbottom_flange2, vessel_mat, "vesselbottom_log2"); |
---|
| 424 | vesselbottom_phys2 = new G4PVPlacement(0, |
---|
| 425 | G4ThreeVector(0.,0.,-0.5*(vesselHeight+0.5*vesselflangeThick)+vesselVPos), |
---|
| 426 | "vesselbottom_phys2", vesselbottom_log2, vacuum_phys, false,0); |
---|
| 427 | |
---|
| 428 | |
---|
| 429 | G4Tubs* pmtvesselbottom_flange1 = new G4Tubs |
---|
| 430 | ("pmtvesselbottom_flange1", PMTvesselRadius, pmtvesselflangeRadius, |
---|
| 431 | 0.25*pmtvesselflangeThick, 0.*deg, 360.*deg); |
---|
| 432 | pmtvesselbottom_log1 = new G4LogicalVolume |
---|
| 433 | (pmtvesselbottom_flange1, vessel_mat, "pmtvesselbottom_log1"); |
---|
| 434 | pmtvesselbottom_phys1 = new G4PVPlacement(0, G4ThreeVector(0.,0., |
---|
| 435 | (-0.5*vesselHeight-PMTvesselHeight+vesselVPos+0.25*pmtvesselflangeThick)), |
---|
| 436 | "pmtvesselbottom_phys1", pmtvesselbottom_log1, vacuum_phys, false,0); |
---|
| 437 | |
---|
| 438 | G4Tubs* pmtvesselbottom_flange2 = new G4Tubs |
---|
| 439 | ("pmtvesselbottom_flange2", 0.*cm, pmtvesselflangeRadius, |
---|
| 440 | 0.25*pmtvesselflangeThick, 0.*deg, 360.*deg); |
---|
| 441 | pmtvesselbottom_log2 = new G4LogicalVolume |
---|
| 442 | (pmtvesselbottom_flange2, vessel_mat, "pmtvesselbottom_log2"); |
---|
| 443 | pmtvesselbottom_phys2 = new G4PVPlacement(0, G4ThreeVector(0.,0., |
---|
| 444 | -0.5*vesselHeight-PMTvesselHeight+vesselVPos-0.25*pmtvesselflangeThick), |
---|
| 445 | "pmtvesselbottom_phys2", pmtvesselbottom_log2, vacuum_phys, false,0); |
---|
| 446 | |
---|
| 447 | |
---|
| 448 | G4VisAttributes* vessel_vat = new G4VisAttributes(grey); |
---|
| 449 | G4VisAttributes* pmtvessel_vat = new G4VisAttributes(yellow); |
---|
| 450 | G4VisAttributes* pmtvessel_vat2 = new G4VisAttributes(green); |
---|
| 451 | // vessel_log->SetVisAttributes(G4VisAttributes::Invisible); |
---|
| 452 | // vessel_vat->SetForceSolid(true); |
---|
| 453 | // pmtvessel_vat->SetForceSolid(true); |
---|
| 454 | // pmtvessel_vat2->SetForceSolid(true); |
---|
| 455 | vessel_log->SetVisAttributes(vessel_vat); |
---|
| 456 | vesseltop_log1->SetVisAttributes(vessel_vat); |
---|
| 457 | vesselbottom_log1->SetVisAttributes(vessel_vat); |
---|
| 458 | vesseltop_log2->SetVisAttributes(pmtvessel_vat); |
---|
| 459 | vesselbottom_log2->SetVisAttributes(pmtvessel_vat); |
---|
| 460 | // pmtvesselbottom_log->SetVisAttributes(vessel_vat); |
---|
| 461 | pmtvesselbottom_log1->SetVisAttributes(vessel_vat); |
---|
| 462 | pmtvesselbottom_log2->SetVisAttributes(pmtvessel_vat2); |
---|
| 463 | |
---|
| 464 | |
---|
| 465 | |
---|
| 466 | // ********************************************************************* |
---|
| 467 | // grid#1 to mirror surface: 21.75 mm |
---|
| 468 | // LXe height = 15.75 mm, gXe height = 6.00 mm |
---|
| 469 | // NB: Increased liquid height by 1mm - to take away problem with |
---|
| 470 | // over-lapping volumes/ring pronounced from liquid phase.......... |
---|
| 471 | // ********************************************************************* |
---|
| 472 | |
---|
| 473 | // detector volume: gas phase ****************************************** |
---|
| 474 | |
---|
| 475 | G4double mirrorVPos = 21.3*cm; |
---|
| 476 | G4double gasGap = 6.0*mm; |
---|
| 477 | G4double DetectorRadius = vesselRadius - vesselMetalThick; |
---|
| 478 | G4double GXeHeight = TotalvesselHeight - mirrorVPos + gasGap; |
---|
| 479 | G4double GXeVPos = 0.5*vesselHeight - 0.5*GXeHeight; |
---|
| 480 | |
---|
| 481 | G4Tubs* GXe_tube = new G4Tubs("GXe_tube", |
---|
| 482 | 0.*cm, DetectorRadius, 0.5*GXeHeight, 0.*deg, 360.*deg); |
---|
| 483 | GXe_log = new G4LogicalVolume(GXe_tube, GXe_mat, "GXe_log"); |
---|
| 484 | GXe_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,GXeVPos), |
---|
| 485 | "GXe_phys", GXe_log, vessel_phys, false,0); |
---|
| 486 | |
---|
| 487 | G4VisAttributes* GXe_vat = new G4VisAttributes(cyan); |
---|
| 488 | // GXe_vat->SetForceSolid(true); |
---|
| 489 | GXe_vat->SetVisibility(true); |
---|
| 490 | GXe_log->SetVisAttributes(GXe_vat); |
---|
| 491 | |
---|
| 492 | |
---|
| 493 | // liquid phase ******************************************************* |
---|
| 494 | |
---|
| 495 | G4double LXeHeight = mirrorVPos - gasGap; |
---|
| 496 | G4double PMTDetectorRadius = PMTvesselRadius - vesselMetalThick; |
---|
| 497 | G4double PMTDetectorHeight = PMTvesselHeight; |
---|
| 498 | G4double LXeTubeHeight = LXeHeight - PMTDetectorHeight; |
---|
| 499 | G4double LXe_solVPos = -0.5*(LXeTubeHeight+PMTDetectorHeight); |
---|
| 500 | G4double LXeVPos = -0.5*TotalvesselHeight + 0.5*LXeHeight; |
---|
| 501 | |
---|
| 502 | G4Tubs* LXe_tube = new G4Tubs("GXe_tube", |
---|
| 503 | 0.*cm, DetectorRadius, 0.5*LXeTubeHeight, 0.*deg, 360.*deg); |
---|
| 504 | G4Tubs* PMTdetector_tube = new G4Tubs("PMTdetector_tube", |
---|
| 505 | 0.*cm, PMTDetectorRadius, 0.5*PMTDetectorHeight, 0.*deg, 360.*deg); |
---|
| 506 | |
---|
| 507 | G4UnionSolid* LXe_sol = new G4UnionSolid |
---|
| 508 | ("LXe_sol", LXe_tube, PMTdetector_tube, |
---|
| 509 | G4Transform3D(G4RotationMatrix(), G4ThreeVector(0,0,LXe_solVPos))); |
---|
| 510 | |
---|
| 511 | LXe_log = new G4LogicalVolume(LXe_sol, LXe_mat, "LXe_log"); |
---|
| 512 | LXe_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, LXeVPos), |
---|
| 513 | "LXe_phys", LXe_log, vessel_phys, false, 0); |
---|
| 514 | |
---|
| 515 | // attributes |
---|
| 516 | G4VisAttributes* LXe_vat = new G4VisAttributes(lblue); |
---|
| 517 | // LXe_vat->SetForceSolid(true); |
---|
| 518 | LXe_vat->SetVisibility(true); |
---|
| 519 | LXe_log->SetVisAttributes(LXe_vat); |
---|
| 520 | |
---|
| 521 | |
---|
| 522 | // Gas phase vessel lagging - for optical properties: |
---|
| 523 | |
---|
| 524 | G4double laggingThickness = 10.*micrometer; |
---|
| 525 | G4double laggingRadius = DetectorRadius - laggingThickness; |
---|
| 526 | |
---|
| 527 | G4Tubs* gaslag_tube = new G4Tubs("gaslag_tube", laggingRadius, |
---|
| 528 | DetectorRadius, 0.5*GXeHeight, 0.*deg, 360.*deg); |
---|
| 529 | gaslag_log = new G4LogicalVolume(gaslag_tube, vessel_mat, "gaslag_log"); |
---|
| 530 | gaslag_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, 0.*cm), |
---|
| 531 | "gaslag_phys", gaslag_log, GXe_phys, false, 0); |
---|
| 532 | |
---|
| 533 | // attributes |
---|
| 534 | G4VisAttributes* gaslag_vat = new G4VisAttributes(lgreen); |
---|
| 535 | // gaslag_vat->SetForceSolid(true); |
---|
| 536 | gaslag_vat->SetVisibility(true); |
---|
| 537 | gaslag_log->SetVisAttributes(gaslag_vat); |
---|
| 538 | |
---|
| 539 | |
---|
| 540 | // liquid phase vessel lagging - for optical properties: |
---|
| 541 | |
---|
| 542 | G4double lagTubeRadius = DetectorRadius - laggingThickness; |
---|
| 543 | G4double lagTubeHeight = LXeHeight - PMTDetectorHeight; |
---|
| 544 | G4double lagPMTRadius = PMTDetectorRadius - laggingThickness; |
---|
| 545 | G4double lagPMTHeight = PMTDetectorHeight; |
---|
| 546 | |
---|
| 547 | G4Tubs* liqLag_tube = new G4Tubs("liqlag_tube", lagTubeRadius, |
---|
| 548 | DetectorRadius, 0.5*lagTubeHeight, 0.*deg, 360.*deg); |
---|
| 549 | G4Tubs* lagPMT_tube = new G4Tubs("lagPMT_tube", lagPMTRadius, |
---|
| 550 | PMTDetectorRadius, 0.5*lagPMTHeight, 0.*deg, 360.*deg); |
---|
| 551 | |
---|
| 552 | G4UnionSolid* liqLag_sol = new G4UnionSolid |
---|
| 553 | ("liqLag_sol", liqLag_tube, lagPMT_tube, |
---|
| 554 | G4Transform3D(G4RotationMatrix(),G4ThreeVector(0,0,LXe_solVPos))); |
---|
| 555 | |
---|
| 556 | liqLag_log = new G4LogicalVolume(liqLag_sol, vessel_mat, "liqLag_log"); |
---|
| 557 | liqLag_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, 0.*cm), |
---|
| 558 | "liqLag_phys", liqLag_log, LXe_phys, false, 0); |
---|
| 559 | |
---|
| 560 | // attributes |
---|
| 561 | G4VisAttributes* liqLag_vat = new G4VisAttributes(magenta); |
---|
| 562 | // liqLag_vat->SetForceSolid(true); |
---|
| 563 | liqLag_vat->SetVisibility(true); |
---|
| 564 | liqLag_log->SetVisAttributes(liqLag_vat); |
---|
| 565 | |
---|
| 566 | |
---|
| 567 | // Vessel Wall Optical Surface definition: |
---|
| 568 | G4OpticalSurface* OpVesselSurface = new G4OpticalSurface |
---|
| 569 | ("VesselSurface", unified, polished, dielectric_metal); |
---|
| 570 | |
---|
| 571 | // created optical lagging onto vessel - to avoid clash between over-lapping |
---|
| 572 | // liquid and gas phase - so removed below: |
---|
| 573 | /* |
---|
| 574 | G4LogicalBorderSurface* VesselSurface; |
---|
| 575 | VesselSurface = new G4LogicalBorderSurface |
---|
| 576 | ("Vessel", liqPhase_phys, vessel_phys, OpVesselSurface); |
---|
| 577 | */ |
---|
| 578 | |
---|
| 579 | const G4int NUM = 2; |
---|
| 580 | G4double vessel_PP[NUM] = { 6.5*eV, 7.50*eV }; |
---|
| 581 | G4double vessel_REFL[NUM] = { 0.2, 0.2 }; |
---|
| 582 | G4MaterialPropertiesTable* vessel_mt = new G4MaterialPropertiesTable(); |
---|
| 583 | vessel_mt->AddProperty("REFLECTIVITY", vessel_PP, vessel_REFL, NUM); |
---|
| 584 | OpVesselSurface->SetMaterialPropertiesTable(vessel_mt); |
---|
| 585 | |
---|
| 586 | G4LogicalBorderSurface* VesselTopSurface; |
---|
| 587 | VesselTopSurface = new G4LogicalBorderSurface |
---|
| 588 | ("VesselTop", GXe_phys, vesseltop_phys1, OpVesselSurface); |
---|
| 589 | |
---|
| 590 | G4LogicalBorderSurface* VesselBottomSurface; |
---|
| 591 | VesselBottomSurface = new G4LogicalBorderSurface |
---|
| 592 | ("VesselBottom", LXe_phys, vesselbottom_phys2, OpVesselSurface); |
---|
| 593 | |
---|
| 594 | G4LogicalBorderSurface* GasVesselSurface; |
---|
| 595 | GasVesselSurface = new G4LogicalBorderSurface |
---|
| 596 | ("GasVessel", GXe_phys, gaslag_phys, OpVesselSurface); |
---|
| 597 | |
---|
| 598 | G4LogicalBorderSurface* LiquidVesselSurface; |
---|
| 599 | LiquidVesselSurface = new G4LogicalBorderSurface |
---|
| 600 | ("LiquidVessel", LXe_phys, liqLag_phys, OpVesselSurface); |
---|
| 601 | |
---|
| 602 | |
---|
| 603 | |
---|
| 604 | // Cu Shield ********************************************************** |
---|
| 605 | |
---|
| 606 | G4double CuShieldHeight = 17.7*cm; |
---|
| 607 | G4double CuShieldThickness = 2.4*mm; |
---|
| 608 | G4double CuShieldOuterRadius = 3.0*cm; |
---|
| 609 | G4double CuShieldInnerRadius = CuShieldOuterRadius-CuShieldThickness; |
---|
| 610 | G4double CuShieldVPosition = -0.5*LXeTubeHeight - PMTDetectorHeight |
---|
| 611 | + 0.5*CuShieldHeight; |
---|
| 612 | |
---|
| 613 | // Zero co-ordinate of the union is the zero of the first volume, |
---|
| 614 | // i.e. the offset is still present |
---|
| 615 | |
---|
| 616 | G4Tubs* CuShield_tube = new G4Tubs("CuShield_tube", CuShieldInnerRadius, |
---|
| 617 | CuShieldOuterRadius, 0.5*CuShieldHeight, 0.*deg, 360.*deg); |
---|
| 618 | CuShield_log = new G4LogicalVolume(CuShield_tube, CuShield_mat, |
---|
| 619 | "CuShield_log"); |
---|
| 620 | CuShield_phys = new G4PVPlacement(0, |
---|
| 621 | G4ThreeVector(0.*cm, 0.*cm, CuShieldVPosition), |
---|
| 622 | "CuShield_phys", CuShield_log, LXe_phys, false, 0); |
---|
| 623 | |
---|
| 624 | // G4VisAttributes* CuShield_vat= new G4VisAttributes(magenta); |
---|
| 625 | G4VisAttributes* CuShield_vat = new G4VisAttributes(brown); |
---|
| 626 | // CuShield_vat->SetForceSolid(true); |
---|
| 627 | CuShield_vat->SetVisibility(true); |
---|
| 628 | CuShield_log->SetVisAttributes(CuShield_vat); |
---|
| 629 | |
---|
| 630 | // Cu shield surface |
---|
| 631 | G4double sigalpha; |
---|
| 632 | G4OpticalSurface* OpCuShieldSurface = new G4OpticalSurface |
---|
| 633 | ("ShieldSurface", unified, ground, dielectric_metal, sigalpha=30.0*deg); |
---|
| 634 | G4LogicalBorderSurface* ShieldSurface; |
---|
| 635 | ShieldSurface = new G4LogicalBorderSurface |
---|
| 636 | ("Shield", LXe_phys, CuShield_phys, OpCuShieldSurface); |
---|
| 637 | |
---|
| 638 | G4double CuShield_PP[NUM] = { 7.0*eV, 7.50*eV }; |
---|
| 639 | G4double CuShield_REFL[NUM] = { 0.3, 0.2 }; |
---|
| 640 | G4MaterialPropertiesTable *CuShield_mt = new G4MaterialPropertiesTable(); |
---|
| 641 | CuShield_mt->AddProperty("REFLECTIVITY", CuShield_PP, CuShield_REFL, NUM); |
---|
| 642 | OpCuShieldSurface->SetMaterialPropertiesTable(CuShield_mt); |
---|
| 643 | |
---|
| 644 | |
---|
| 645 | // rings *************************************************************** |
---|
| 646 | |
---|
| 647 | G4double ringHeight = 4.*mm; |
---|
| 648 | G4double ringOuterRadius = 4.0*cm; |
---|
| 649 | G4double ringInnerRadius = CuShieldOuterRadius; |
---|
| 650 | G4double ringVOffset = 0.5*ringHeight; |
---|
| 651 | G4double ringVPosition = -0.5*GXeHeight + gasGap +ringVOffset; |
---|
| 652 | |
---|
| 653 | G4Tubs* ring_tube=new G4Tubs("ring_tube", ringInnerRadius, |
---|
| 654 | ringOuterRadius, 0.5*ringHeight, 0.*deg, 360.*deg); |
---|
| 655 | ring_log = new G4LogicalVolume(ring_tube, ring_mat, "ring_log"); |
---|
| 656 | |
---|
| 657 | // optical surface: ring materials table |
---|
| 658 | G4double ring_PP[NUM] = { 6.00*eV, 7.50*eV }; |
---|
| 659 | G4double ring_REFL[NUM] = { 0.7, 0.65 }; |
---|
| 660 | G4MaterialPropertiesTable *ring_mt = new G4MaterialPropertiesTable(); |
---|
| 661 | ring_mt->AddProperty("REFLECTIVITY", ring_PP, ring_REFL, NUM); |
---|
| 662 | |
---|
| 663 | G4OpticalSurface* OpRingSurface = new G4OpticalSurface |
---|
| 664 | ("RingSurface", unified, ground, dielectric_metal, sigalpha=10.*deg); |
---|
| 665 | // last argument is surface roughness if it's non-polished - i.e. ground |
---|
| 666 | OpRingSurface->SetMaterialPropertiesTable(ring_mt); |
---|
| 667 | |
---|
| 668 | // rings inside gas phase |
---|
| 669 | ring_phys_gas[0] = new G4PVPlacement(0, G4ThreeVector |
---|
| 670 | (0.*cm, 0.*cm, ringVPosition),"ring_phys0",ring_log,GXe_phys,false, 0); |
---|
| 671 | G4LogicalBorderSurface* RingSurface_gas0; |
---|
| 672 | RingSurface_gas0 = new G4LogicalBorderSurface |
---|
| 673 | ("Ring", GXe_phys, ring_phys_gas[0], OpRingSurface); |
---|
| 674 | |
---|
| 675 | ring_phys_gas[1] = new G4PVPlacement(0, |
---|
| 676 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.0*mm), |
---|
| 677 | "ring_phys1",ring_log, GXe_phys, false, 0); |
---|
| 678 | G4LogicalBorderSurface* RingSurface_gas1; |
---|
| 679 | RingSurface_gas1 = new G4LogicalBorderSurface |
---|
| 680 | ("Ring", GXe_phys, ring_phys_gas[1], OpRingSurface); |
---|
| 681 | |
---|
| 682 | |
---|
| 683 | // rings inside liquid phase: |
---|
| 684 | ringVPosition = 0.5*LXeTubeHeight; |
---|
| 685 | |
---|
| 686 | ring_phys_liq[0] = new G4PVPlacement(0, |
---|
| 687 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=0.5*ringHeight), |
---|
| 688 | "ring_phys2",ring_log,LXe_phys, false, 0); |
---|
| 689 | G4LogicalBorderSurface* RingSurface_liq0; |
---|
| 690 | RingSurface_liq0 = new G4LogicalBorderSurface |
---|
| 691 | ("Ring", LXe_phys, ring_phys_liq[0], OpRingSurface); |
---|
| 692 | |
---|
| 693 | ring_phys_liq[1] = new G4PVPlacement(0, |
---|
| 694 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm), |
---|
| 695 | "ring_phys3",ring_log, LXe_phys, false, 0); |
---|
| 696 | G4LogicalBorderSurface* RingSurface_liq1; |
---|
| 697 | RingSurface_liq1 = new G4LogicalBorderSurface |
---|
| 698 | ("Ring", LXe_phys, ring_phys_liq[1], OpRingSurface); |
---|
| 699 | |
---|
| 700 | ring_phys_liq[2]=new G4PVPlacement(0, |
---|
| 701 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight), |
---|
| 702 | "ring_phys4",ring_log, LXe_phys, false, 0); |
---|
| 703 | G4LogicalBorderSurface* RingSurface_liq2; |
---|
| 704 | RingSurface_liq2 = new G4LogicalBorderSurface |
---|
| 705 | ("Ring", LXe_phys, ring_phys_liq[2], OpRingSurface); |
---|
| 706 | |
---|
| 707 | ring_phys_liq[3]=new G4PVPlacement(0, |
---|
| 708 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight), |
---|
| 709 | "ring_phys5",ring_log, LXe_phys, false, 0); |
---|
| 710 | G4LogicalBorderSurface* RingSurface_liq3; |
---|
| 711 | RingSurface_liq3 = new G4LogicalBorderSurface |
---|
| 712 | ("Ring", LXe_phys, ring_phys_liq[3], OpRingSurface); |
---|
| 713 | |
---|
| 714 | ring_phys_liq[4]=new G4PVPlacement(0, |
---|
| 715 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm), |
---|
| 716 | "ring_phys6",ring_log, LXe_phys,false, 0); |
---|
| 717 | G4LogicalBorderSurface* RingSurface_liq4; |
---|
| 718 | RingSurface_liq4 = new G4LogicalBorderSurface |
---|
| 719 | ("Ring", LXe_phys, ring_phys_liq[4], OpRingSurface); |
---|
| 720 | |
---|
| 721 | ring_phys_liq[5]=new G4PVPlacement(0, |
---|
| 722 | G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm), |
---|
| 723 | "ring_phys7",ring_log, LXe_phys,false, 0); |
---|
| 724 | G4LogicalBorderSurface* RingSurface_liq5; |
---|
| 725 | RingSurface_liq5 = new G4LogicalBorderSurface |
---|
| 726 | ("Ring", LXe_phys, ring_phys_liq[5], OpRingSurface); |
---|
| 727 | |
---|
| 728 | |
---|
| 729 | G4VisAttributes* ring_vat= new G4VisAttributes(lgrey); |
---|
| 730 | ring_vat->SetVisibility(true); |
---|
| 731 | ring_log->SetVisAttributes(ring_vat); |
---|
| 732 | |
---|
| 733 | |
---|
| 734 | // Mirror ************************************************************* |
---|
| 735 | |
---|
| 736 | G4double mirrorHeight = 2.0*mm; |
---|
| 737 | G4double mirrorRadius = ringInnerRadius; |
---|
| 738 | G4double mirrorVOffset = 0.5*ringHeight; |
---|
| 739 | G4double mirrorVPosition = -0.5*GXeHeight + gasGap +mirrorVOffset; |
---|
| 740 | |
---|
| 741 | G4Tubs* mirror_tube = new G4Tubs("mirror_tube", 0.*cm, mirrorRadius, |
---|
| 742 | 0.5*mirrorHeight, 0.*deg, 360.*deg); |
---|
| 743 | mirror_log = new G4LogicalVolume(mirror_tube, mirror_mat, "mirror_log"); |
---|
| 744 | mirror_phys = new G4PVPlacement(0, |
---|
| 745 | G4ThreeVector(0.*cm, 0.*cm, mirrorVPosition), |
---|
| 746 | "mirror_phys", mirror_log, GXe_phys, false, 0); |
---|
| 747 | |
---|
| 748 | G4VisAttributes* mirror_vat = new G4VisAttributes(cyan); |
---|
| 749 | mirror_vat->SetVisibility(true); |
---|
| 750 | // mirror_vat->SetForceSolid(true); |
---|
| 751 | mirror_log->SetVisAttributes(mirror_vat); |
---|
| 752 | |
---|
| 753 | |
---|
| 754 | // mirror surface |
---|
| 755 | G4OpticalSurface * OpMirrorSurface = new G4OpticalSurface |
---|
| 756 | ("MirrorSurface", unified, ground, dielectric_metal, sigalpha=5.0*deg); |
---|
| 757 | G4LogicalBorderSurface* MirrorSurface; |
---|
| 758 | MirrorSurface = new G4LogicalBorderSurface |
---|
| 759 | ("Mirror", GXe_phys, mirror_phys, OpMirrorSurface); |
---|
| 760 | |
---|
| 761 | G4double mirror_PP[NUM] = { 6.00*eV, 7.50*eV }; |
---|
| 762 | G4double mirror_REFL[NUM] = { 0.83, 0.78 }; |
---|
| 763 | G4MaterialPropertiesTable *mirror_mt = new G4MaterialPropertiesTable(); |
---|
| 764 | mirror_mt->AddProperty("REFLECTIVITY", mirror_PP, mirror_REFL, NUM); |
---|
| 765 | OpMirrorSurface->SetMaterialPropertiesTable(mirror_mt); |
---|
| 766 | |
---|
| 767 | |
---|
| 768 | // Grids ************************************************************* |
---|
| 769 | |
---|
| 770 | G4double gridHeight = 0.100*mm; |
---|
| 771 | G4double gridRadius = ringInnerRadius; |
---|
| 772 | G4double grid1VOffset = 3.5*ringHeight+1.75*mm; |
---|
| 773 | G4double grid1VPosition = 0.5*LXeTubeHeight - grid1VOffset; |
---|
| 774 | G4double grid2VOffset = 4.5*ringHeight+3.50*mm; |
---|
| 775 | G4double grid2VPosition = 0.5*LXeTubeHeight - grid2VOffset; |
---|
| 776 | |
---|
| 777 | G4Tubs* grid_tube = new G4Tubs("grid_tube", 0.*cm, gridRadius, |
---|
| 778 | 0.5*gridHeight, 0.*deg, 360.*deg); |
---|
| 779 | |
---|
| 780 | grid1_log = new G4LogicalVolume(grid_tube, grid_mat, "grid1_log"); |
---|
| 781 | grid1_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, grid1VPosition), |
---|
| 782 | "grid1_phys", grid1_log, LXe_phys, false, 0); |
---|
| 783 | grid2_log = new G4LogicalVolume(grid_tube, grid_mat, "grid2_log"); |
---|
| 784 | grid2_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, grid2VPosition), |
---|
| 785 | "grid2_phys", grid2_log, LXe_phys, false, 0); |
---|
| 786 | |
---|
| 787 | G4VisAttributes* grid_vat = new G4VisAttributes(red); |
---|
| 788 | grid_vat->SetVisibility(true); |
---|
| 789 | grid1_log->SetVisAttributes(grid_vat); |
---|
| 790 | grid2_log->SetVisAttributes(grid_vat); |
---|
| 791 | |
---|
| 792 | |
---|
| 793 | // alpha source holder ************************************************ |
---|
| 794 | |
---|
| 795 | G4double alphaHeight = 0.7*mm; // total lead thickness = 1.23 mm |
---|
| 796 | G4double recessHeight = 0.3*mm; // totals lead thickness = 1.23 mm |
---|
| 797 | G4double alphaRadius = 1.2*mm; // was 0.8 |
---|
| 798 | G4double recessRadius = 0.35*mm; // was 0.5 was 0.2 |
---|
| 799 | G4double recessVPosition = 0.5*(alphaHeight - recessHeight); |
---|
| 800 | |
---|
| 801 | G4double alphaVOffset = grid1VOffset-0.5*alphaHeight - gridHeight; |
---|
| 802 | G4double americiumHeight = 3000.*nanometer; // assumes ~1% Am |
---|
| 803 | G4double extra_offset = (recessHeight +0.3*mm + 0.5*americiumHeight); |
---|
| 804 | G4double alphaVPosition = 0.5*LXeTubeHeight - alphaVOffset + extra_offset; |
---|
| 805 | |
---|
| 806 | G4Tubs* alpha_tube = new G4Tubs("alpha_tube", 0.*cm, alphaRadius, |
---|
| 807 | 0.5*alphaHeight, 0.*deg, 360.*deg); |
---|
| 808 | G4Tubs* recess_tube = new G4Tubs("recess_tube", 0.*cm, recessRadius, |
---|
| 809 | 0.5*recessHeight, 0.*deg, 360.*deg); |
---|
| 810 | |
---|
| 811 | G4SubtractionSolid* alpha_sol = new G4SubtractionSolid |
---|
| 812 | ("alpha_sol", alpha_tube, recess_tube, G4Transform3D |
---|
| 813 | (G4RotationMatrix(), G4ThreeVector(0. ,0. , recessVPosition))); |
---|
| 814 | alpha_log = new G4LogicalVolume(alpha_sol, alpha_mat, "alpha_log"); |
---|
| 815 | |
---|
| 816 | alpha_phys = new G4PVPlacement(0, G4ThreeVector(0., 0., alphaVPosition), |
---|
| 817 | "alpha_phys", alpha_log, LXe_phys, false, 0); |
---|
| 818 | |
---|
| 819 | G4VisAttributes* alpha_vat = new G4VisAttributes(white); |
---|
| 820 | alpha_vat->SetVisibility(true); |
---|
| 821 | alpha_log ->SetVisAttributes(alpha_vat); |
---|
| 822 | |
---|
| 823 | // alpha source HOLDER surface |
---|
| 824 | G4OpticalSurface* OpAlphaSurface = new G4OpticalSurface("AlphaSurface", |
---|
| 825 | unified, ground, dielectric_metal, sigalpha=20.0*deg); |
---|
| 826 | G4LogicalBorderSurface* AlphaSurface; |
---|
| 827 | AlphaSurface = new G4LogicalBorderSurface |
---|
| 828 | ("Alpha", LXe_phys, alpha_phys, OpAlphaSurface); |
---|
| 829 | |
---|
| 830 | G4double alpha_PP[NUM] = { 6.00*eV, 7.50*eV }; |
---|
| 831 | G4double alpha_REFL[NUM] = { 0.05, 0.05 }; |
---|
| 832 | G4MaterialPropertiesTable *alpha_mt = new G4MaterialPropertiesTable(); |
---|
| 833 | alpha_mt->AddProperty("REFLECTIVITY", alpha_PP, alpha_REFL, NUM); |
---|
| 834 | OpAlphaSurface->SetMaterialPropertiesTable(alpha_mt); |
---|
| 835 | |
---|
| 836 | // americium *********************************************************** |
---|
| 837 | |
---|
| 838 | // moved above for the "extra_offset": |
---|
| 839 | // G4double americiumHeight = 600.*nanometer; // assumes ~1% Am |
---|
| 840 | G4double americiumRadius = recessRadius - 50.0*micrometer; |
---|
| 841 | G4double americiumVOffset = 0.5*(alphaHeight-americiumHeight)-recessHeight; |
---|
| 842 | G4double americiumVPosition = americiumVOffset; |
---|
| 843 | |
---|
| 844 | sourceZ = vesselVPos + LXeVPos + alphaVPosition + americiumVPosition + PosZ; |
---|
| 845 | G4cout << G4endl << "Calibration source centre (X,Y,Z): 0, 0, " |
---|
| 846 | << sourceZ/mm << " mm" << G4endl; |
---|
| 847 | |
---|
| 848 | G4Tubs* americium_tube = new G4Tubs("americium_tube", 0.*cm, |
---|
| 849 | americiumRadius, 0.5*americiumHeight, 0.*deg, 360.*deg); |
---|
| 850 | americium_log = new G4LogicalVolume(americium_tube, americium_mat, |
---|
| 851 | "americium_log"); |
---|
| 852 | americium_phys = new G4PVPlacement(0, G4ThreeVector(0., 0., |
---|
| 853 | americiumVPosition),"americium_phys", americium_log, alpha_phys,false,0); |
---|
| 854 | |
---|
| 855 | // americium optical properties: |
---|
| 856 | G4OpticalSurface* OpAmericiumSurface = new G4OpticalSurface |
---|
| 857 | ("AmericiumSurface", unified, ground, dielectric_metal, sigalpha=5.0*deg); |
---|
| 858 | G4LogicalBorderSurface* AmericiumSurface; |
---|
| 859 | AmericiumSurface = new G4LogicalBorderSurface |
---|
| 860 | ("Americium", LXe_phys, americium_phys, OpAmericiumSurface); |
---|
| 861 | |
---|
| 862 | G4double americium_PP[NUM] = { 6.00*eV, 7.50*eV }; |
---|
| 863 | G4double americium_REFL[NUM] = { 0.7, 0.65 }; |
---|
| 864 | G4MaterialPropertiesTable *americium_mt = new G4MaterialPropertiesTable(); |
---|
| 865 | americium_mt->AddProperty("REFLECTIVITY", americium_PP, americium_REFL, NUM); |
---|
| 866 | OpAlphaSurface->SetMaterialPropertiesTable(americium_mt); |
---|
| 867 | |
---|
| 868 | G4VisAttributes* americium_vat= new G4VisAttributes(cyan); |
---|
| 869 | americium_vat->SetVisibility(true); |
---|
| 870 | americium_vat->SetForceSolid(true); |
---|
| 871 | americium_log->SetVisAttributes(americium_vat); |
---|
| 872 | |
---|
| 873 | |
---|
| 874 | // Photomultiplier: ETL 9829 QA **************************************** |
---|
| 875 | |
---|
| 876 | G4double pmtHeight = 12.0*cm; |
---|
| 877 | G4double pmtRadius = 2.6*cm; |
---|
| 878 | G4double pmtVOffset = 1.0*cm; |
---|
| 879 | G4double pmtVPosition = -0.5*(LXeTubeHeight+pmtHeight)+pmtVOffset; |
---|
| 880 | |
---|
| 881 | G4Sphere* pmt_window = new G4Sphere("pmt_sphere", 0.*cm, 2.*pmtRadius, |
---|
| 882 | 0.*deg, 360.*deg, 0.*deg, 30.0*deg); |
---|
| 883 | G4Tubs* pmt_tube = new G4Tubs("pmt_tube", 0.*cm, pmtRadius, 0.5*pmtHeight, |
---|
| 884 | 0.*deg, 360.*deg); |
---|
| 885 | |
---|
| 886 | G4UnionSolid* pmt_sol = new G4UnionSolid("pmt_sol", pmt_tube, pmt_window, |
---|
| 887 | G4Transform3D(G4RotationMatrix(), G4ThreeVector(0,0,0.5*pmtHeight |
---|
| 888 | -2.*pmtRadius*std::cos(30.0*deg)))); |
---|
| 889 | |
---|
| 890 | pmt_log = new G4LogicalVolume(pmt_sol, pmt_mat, "pmt_log"); |
---|
| 891 | pmt_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, pmtVPosition), |
---|
| 892 | "pmt_phys", pmt_log, LXe_phys, false, 0); |
---|
| 893 | |
---|
| 894 | G4OpticalSurface* pmt_opsurf = new G4OpticalSurface |
---|
| 895 | ("pmt_opsurf",unified, polished, dielectric_dielectric); |
---|
| 896 | G4LogicalBorderSurface* pmt_surf; |
---|
| 897 | pmt_surf = new G4LogicalBorderSurface |
---|
| 898 | ("pmt_surf", LXe_phys, pmt_phys, pmt_opsurf); |
---|
| 899 | |
---|
| 900 | G4VisAttributes* pmt_vat= new G4VisAttributes(blue); |
---|
| 901 | pmt_vat->SetForceSolid(true); |
---|
| 902 | pmt_vat->SetVisibility(true); |
---|
| 903 | pmt_log->SetVisAttributes(pmt_vat); |
---|
| 904 | |
---|
| 905 | |
---|
| 906 | // photocathode ******************************************************* |
---|
| 907 | |
---|
| 908 | G4double phcathVOffset = 0.5*pmtHeight-2.*pmtRadius*std::cos(30.0*deg); |
---|
| 909 | G4double phcathVPosition = phcathVOffset; |
---|
| 910 | |
---|
| 911 | G4Sphere* phcath_sol = new G4Sphere("phcath_sphere", |
---|
| 912 | 2.*pmtRadius-1.6*mm, 2.*pmtRadius-1.59*mm, 0.*deg, 360.*deg, 0.*deg, |
---|
| 913 | 27.0*deg); |
---|
| 914 | |
---|
| 915 | phcath_log = new G4LogicalVolume(phcath_sol, phcath_mat, "phcath_log"); |
---|
| 916 | phcath_phys = new G4PVPlacement(0, G4ThreeVector(0., 0., phcathVPosition), |
---|
| 917 | "phcath_phys", phcath_log, pmt_phys, false, 0); |
---|
| 918 | |
---|
| 919 | G4OpticalSurface* phcath_opsurf = new G4OpticalSurface("phcath_opsurf", |
---|
| 920 | unified, polished, dielectric_dielectric); |
---|
| 921 | G4LogicalBorderSurface* phcath_surf; |
---|
| 922 | phcath_surf = new G4LogicalBorderSurface |
---|
| 923 | ("phcath_surf", pmt_phys, phcath_phys, phcath_opsurf); |
---|
| 924 | |
---|
| 925 | G4double phcath_PP[NUM] = { 6.00*eV, 7.50*eV }; |
---|
| 926 | G4double phcath_REFL[NUM] = { 0.0, 0.0}; |
---|
| 927 | G4MaterialPropertiesTable* phcath_mt = new G4MaterialPropertiesTable(); |
---|
| 928 | phcath_mt->AddProperty("REFLECTIVITY", phcath_PP, phcath_REFL, NUM); |
---|
| 929 | phcath_opsurf->SetMaterialPropertiesTable(phcath_mt); |
---|
| 930 | |
---|
| 931 | G4VisAttributes* phcath_vat= new G4VisAttributes(lblue); |
---|
| 932 | phcath_vat->SetForceSolid(true); |
---|
| 933 | phcath_vat->SetVisibility(true); |
---|
| 934 | phcath_log->SetVisAttributes(phcath_vat); |
---|
| 935 | |
---|
| 936 | |
---|
| 937 | // ...................................................................... |
---|
| 938 | // attach user limits ................................................... |
---|
| 939 | |
---|
| 940 | |
---|
| 941 | G4cout << G4endl << "User Limits: " << G4endl |
---|
| 942 | << "\t theMaxTimeCuts: " << G4BestUnit(theMaxTimeCuts,"Time") |
---|
| 943 | << G4endl |
---|
| 944 | << "\t theRoomTimeCut: " << G4BestUnit(theRoomTimeCut,"Time") |
---|
| 945 | << G4endl |
---|
| 946 | << "\t theMaxStepSize: " << G4BestUnit(theMaxStepSize,"Length") |
---|
| 947 | << G4endl |
---|
| 948 | << "\t theMinEKine: " << G4BestUnit(theMinEkine,"Energy") |
---|
| 949 | << G4endl |
---|
| 950 | << "\t minRoomMinEKine: " << G4BestUnit(theRoomMinEkine,"Energy") |
---|
| 951 | << G4endl << G4endl; |
---|
| 952 | |
---|
| 953 | if (theUserLimitsForRoom != 0) delete theUserLimitsForRoom; |
---|
| 954 | if (theUserLimitsForDetector != 0) delete theUserLimitsForDetector; |
---|
| 955 | |
---|
| 956 | theUserLimitsForRoom = new G4UserLimits(theMaxStepSize, // step length max |
---|
| 957 | DBL_MAX, // track length max |
---|
| 958 | theRoomTimeCut, // Time cut |
---|
| 959 | theRoomMinEkine); // min energy |
---|
| 960 | |
---|
| 961 | #include "DMXDetectorRoomLimits.icc" |
---|
| 962 | |
---|
| 963 | theUserLimitsForDetector = new G4UserLimits(theDetectorStepSize, |
---|
| 964 | DBL_MAX, // Track Max |
---|
| 965 | theMaxTimeCuts, |
---|
| 966 | theMinEkine); |
---|
| 967 | |
---|
| 968 | world_log->SetUserLimits(theUserLimitsForRoom); |
---|
| 969 | lab_log->SetUserLimits(theUserLimitsForRoom); |
---|
| 970 | jacket_log->SetUserLimits(theUserLimitsForRoom); |
---|
| 971 | vacuum_log->SetUserLimits(theUserLimitsForRoom); |
---|
| 972 | vessel_log->SetUserLimits(theUserLimitsForRoom); |
---|
| 973 | GXe_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 974 | // LXe_log->SetUserLimits(theUserLimitsForXenon); |
---|
| 975 | LXe_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 976 | CuShield_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 977 | ring_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 978 | mirror_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 979 | grid1_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 980 | grid2_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 981 | alpha_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 982 | americium_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 983 | pmt_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 984 | phcath_log->SetUserLimits(theUserLimitsForDetector); |
---|
| 985 | |
---|
| 986 | |
---|
| 987 | // ...................................................................... |
---|
| 988 | // sensitive detectors .................................................. |
---|
| 989 | |
---|
| 990 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
| 991 | |
---|
| 992 | G4String name="/DMXDet/LXeSD"; |
---|
| 993 | LXeSD = new DMXScintSD(name, this); |
---|
| 994 | SDman->AddNewDetector(LXeSD); |
---|
| 995 | LXe_log->SetSensitiveDetector(LXeSD); |
---|
| 996 | |
---|
| 997 | SDman = G4SDManager::GetSDMpointer(); |
---|
| 998 | name="/DMXDet/pmtSD"; |
---|
| 999 | pmtSD = new DMXPmtSD(name, this); |
---|
| 1000 | SDman->AddNewDetector(pmtSD); |
---|
| 1001 | phcath_log->SetSensitiveDetector(pmtSD); |
---|
| 1002 | |
---|
| 1003 | return world_phys; |
---|
| 1004 | |
---|
| 1005 | } |
---|
| 1006 | |
---|
| 1007 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1008 | |
---|
| 1009 | // specific method to G4UserLimits:= SetUserMinEkine |
---|
| 1010 | void DMXDetectorConstruction::SetRoomEnergyCut(G4double val) |
---|
| 1011 | { |
---|
| 1012 | // set minimum charged particle energy cut - NB: for ROOM |
---|
| 1013 | theRoomMinEkine = val; |
---|
| 1014 | if (theUserLimitsForRoom != 0) |
---|
| 1015 | { |
---|
| 1016 | theUserLimitsForRoom->SetUserMinEkine(val); |
---|
| 1017 | G4cout << " Changing Room energy cut to: " << G4BestUnit(val,"Energy") |
---|
| 1018 | << G4endl; |
---|
| 1019 | } |
---|
| 1020 | } |
---|
| 1021 | |
---|
| 1022 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1023 | |
---|
| 1024 | // specific method to G4UserLimits:= SetUserMinEkine |
---|
| 1025 | void DMXDetectorConstruction::SetEnergyCut(G4double val) |
---|
| 1026 | { |
---|
| 1027 | // set minimum charged particle energy cut - NB: for Xenon Detector |
---|
| 1028 | theMinEkine = val; |
---|
| 1029 | if (theUserLimitsForDetector != 0) |
---|
| 1030 | { |
---|
| 1031 | theUserLimitsForDetector->SetUserMinEkine(val); |
---|
| 1032 | G4cout << "Changing Detector energy cut to: " << G4BestUnit(val,"Energy") |
---|
| 1033 | << G4endl; |
---|
| 1034 | } |
---|
| 1035 | } |
---|
| 1036 | |
---|
| 1037 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1038 | |
---|
| 1039 | // specific method to G4UserLimits:= SetUserMaxTime |
---|
| 1040 | void DMXDetectorConstruction::SetRoomTimeCut(G4double val) |
---|
| 1041 | { |
---|
| 1042 | // set room time cut: |
---|
| 1043 | theRoomTimeCut = val; |
---|
| 1044 | if (theUserLimitsForRoom != 0) |
---|
| 1045 | { |
---|
| 1046 | theUserLimitsForRoom->SetUserMaxTime(val); |
---|
| 1047 | G4cout << " Changing Room Time cut to: " << G4BestUnit(val,"Time") |
---|
| 1048 | << G4endl; |
---|
| 1049 | } |
---|
| 1050 | } |
---|
| 1051 | |
---|
| 1052 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1053 | |
---|
| 1054 | // specific method to G4UserLimits:= SetUserMaxTime |
---|
| 1055 | void DMXDetectorConstruction::SetTimeCut(G4double val) |
---|
| 1056 | { |
---|
| 1057 | // set detector time cut: |
---|
| 1058 | theMaxTimeCuts = val; |
---|
| 1059 | if (theUserLimitsForDetector != 0) |
---|
| 1060 | { |
---|
| 1061 | theUserLimitsForDetector->SetUserMaxTime(val); |
---|
| 1062 | G4cout << " Changing Detector Time cut to: " << G4BestUnit(val,"Time") |
---|
| 1063 | << G4endl; |
---|
| 1064 | } |
---|
| 1065 | } |
---|
| 1066 | |
---|
| 1067 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1068 | |
---|
| 1069 | //void DMXDetectorConstruction::UpdateGeometry() |
---|
| 1070 | //{ |
---|
| 1071 | // G4RunManager::GetRunManager()->DefineWorldVolume(Construct()); |
---|
| 1072 | //} |
---|
| 1073 | |
---|
| 1074 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1075 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 1076 | |
---|
| 1077 | |
---|