// // ******************************************************************** // * 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. * // ******************************************************************** // /// \file ExGflashDetectorConstruction.cc /// \brief Implementation of the ExGflashDetectorConstruction class // User Classes #include "ExGflashDetectorConstruction.hh" #include "ExGflashHomoShowerTuning.hh" #include "ExGflashMessenger.hh" #include "ExGflashSensitiveDetector.hh" // G4 Classes #include "G4AutoDelete.hh" #include "G4Box.hh" #include "G4Colour.hh" #include "G4LogicalVolume.hh" #include "G4Material.hh" #include "G4NistManager.hh" #include "G4PVPlacement.hh" #include "G4RunManager.hh" #include "G4SDManager.hh" #include "G4SystemOfUnits.hh" #include "G4ThreeVector.hh" #include "G4VPhysicalVolume.hh" #include "G4VisAttributes.hh" #include "globals.hh" // fast simulation #include "GFlashHitMaker.hh" #include "GFlashHomoShowerParameterisation.hh" #include "GFlashParticleBounds.hh" #include "GFlashShowerModel.hh" #include "G4FastSimulationManager.hh" //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... const G4int kMaxBin = 500; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... ExGflashDetectorConstruction::ExGflashDetectorConstruction() { if (fVerbose > 3) G4cout << "ExGflashDetectorConstruction::Detector constructor" << G4endl; fGflashMessenger = new ExGflashMessenger(this); // Crystall fCrystalWidth = 3 * cm; fCrystalLength = 140 * cm; DefineMaterials(); SetMaterial("G4_PbWO4"); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... ExGflashDetectorConstruction::~ExGflashDetectorConstruction() { delete fGflashMessenger; delete fFastShowerModel; delete fParameterisation; delete fParticleBounds; delete fHitMaker; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void ExGflashDetectorConstruction::DefineMaterials() { if (fVerbose > 3) G4cout << "Defining the materials" << G4endl; // Get nist material manager G4NistManager* nistManager = G4NistManager::Instance(); // Build materials fHallMat = nistManager->FindOrBuildMaterial("G4_AIR"); fDetMat = nistManager->FindOrBuildMaterial("G4_PbWO4"); nistManager->FindOrBuildMaterial("G4_CESIUM_IODIDE"); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... G4VPhysicalVolume* ExGflashDetectorConstruction::Construct() { //--------- Definitions of Solids, Logical Volumes, Physical Volumes --------- //------------------------------ // Calorimeter segments //------------------------------ // Simplified `CMS-like` PbWO4 crystal calorimeter // Calorimeter G4double calo_xside = (fCrystalWidth * fNbOfCrystals); G4double calo_yside = (fCrystalWidth * fNbOfCrystals); G4double calo_zside = fCrystalLength; // The Experimental Hall G4double experimentalHall_x = calo_xside * 4; G4double experimentalHall_y = calo_yside * 4; G4double experimentalHall_z = calo_zside * 4; G4VSolid* experimentalHall_box = new G4Box("expHall_box", // World Volume experimentalHall_x, // x size experimentalHall_y, // y size experimentalHall_z); // z size auto experimentalHall_log = new G4LogicalVolume(experimentalHall_box, fHallMat, "expHall_log", nullptr, // opt: fieldManager nullptr, // opt: SensitiveDetector nullptr); // opt: UserLimits G4VPhysicalVolume* experimentalHall_phys = new G4PVPlacement(nullptr, G4ThreeVector(), // at (0,0,0) "expHall", experimentalHall_log, nullptr, false, 0); auto calo_box = new G4Box("Calorimeter", // its name calo_xside / 2., // size calo_yside / 2., calo_zside / 2.); auto calo_log = new G4LogicalVolume(calo_box, // its solid fHallMat, // its material "calo_log", // its name nullptr, // opt: fieldManager nullptr, // opt: SensitiveDetector nullptr); // opt: UserLimit G4double xpos = 0.0; G4double ypos = 0.0; G4double zpos = calo_zside / 2.; // face @ z= 0.0 new G4PVPlacement(nullptr, G4ThreeVector(xpos, ypos, zpos), calo_log, "calorimeter", experimentalHall_log, false, 1); // Crystals G4VSolid* crystal_box = new G4Box("Crystal", // its name fCrystalWidth / 2, fCrystalWidth / 2, fCrystalLength / 2); // size fCrystal_log = new G4LogicalVolume(crystal_box, // its solid fDetMat, // its material "Crystal_log"); // its name for (G4int i = 0; i < fNbOfCrystals; i++) { for (G4int j = 0; j < fNbOfCrystals; j++) { G4int n = i * 10 + j; G4ThreeVector crystalPos((i * fCrystalWidth) - (calo_xside - fCrystalWidth) / 2., (j * fCrystalWidth) - (calo_yside - fCrystalWidth) / 2., 0); new G4PVPlacement(nullptr, // no rotation crystalPos, // translation fCrystal_log, "crystal", // its name calo_log, false, n); } } G4cout << "There are " << fNbOfCrystals << " crystals per row in the calorimeter, so in total " << fNbOfCrystals * fNbOfCrystals << " crystals" << G4endl; G4cout << "They have width of " << fCrystalWidth / cm << " cm and a length of " << fCrystalLength / cm << " cm." << G4endl; G4cout << fDetMat << G4endl; G4cout << "Total Calorimeter size " << calo_xside / cm << " cm x " << calo_yside / cm << " cm x " << calo_zside / cm << " cm" << G4endl; experimentalHall_log->SetVisAttributes(G4VisAttributes::GetInvisible()); auto caloVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0)); auto crystalVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 0.0)); calo_log->SetVisAttributes(caloVisAtt); fCrystal_log->SetVisAttributes(crystalVisAtt); // define the fParameterisation region // G4cout << "\n ---> DetectorConstruction Region Definition" << G4endl; fRegion = new G4Region("crystals"); calo_log->SetRegion(fRegion); fRegion->AddRootLogicalVolume(calo_log); return experimentalHall_phys; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void ExGflashDetectorConstruction::ConstructSDandField() { // -- fast simulation models: // ********************************************** // * Initializing shower modell // *********************************************** if (fParameterisation != nullptr) { fParameterisation->SetMaterial(fDetMat); if (fVerbose > 3) G4cout << "Info " << __func__ << " Param Mat " << fDetMat << G4endl; fParameterisation->PrintMaterial(fDetMat); } else { // -- sensitive detectors: G4SDManager* SDman = G4SDManager::GetSDMpointer(); auto SD = new ExGflashSensitiveDetector("Calorimeter", this); SDman->AddNewDetector(SD); if (fCrystal_log != nullptr) { fCrystal_log->SetSensitiveDetector(SD); } if (fVerbose > 3) G4cout << "\n--> Creating shower parameterization models" << G4endl; fFastShowerModel = new GFlashShowerModel("fFastShowerModel", fRegion); fParameterisation = new GFlashHomoShowerParameterisation(fDetMat, new ExGflashHomoShowerTuning()); fFastShowerModel->SetParameterisation(*fParameterisation); // Energy Cuts to kill particles: fParticleBounds = new GFlashParticleBounds(); fFastShowerModel->SetParticleBounds(*fParticleBounds); // Makes the EnergieSpots fHitMaker = new GFlashHitMaker(); fFastShowerModel->SetHitMaker(*fHitMaker); if (fVerbose > 3) G4cout << "end shower parameterization." << G4endl; } // ********************************************** // Get Rad Len and R moliere from parameterisation fSDRadLen = fParameterisation->GetX0(); fSDRm = fParameterisation->GetRm(); if (fVerbose > 2) { G4cout << "Info " << __func__ << "Total Calorimeter size" << G4endl; auto calo_xyside = fCrystalWidth * fNbOfCrystals; G4cout << "Info Z " << __func__ << " " << fCrystalLength / cm << " cm " << fCrystalLength / fSDRadLen << " RadLen " << G4endl; G4cout << "Info XY " << __func__ << " " << calo_xyside / cm << " cm " << calo_xyside / fSDRm << " Rm " << G4endl; } } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void ExGflashDetectorConstruction::SetLBining(G4ThreeVector Value) { fNLtot = (G4int)Value(0); if (fNLtot > kMaxBin) { G4cout << "\n ---> warning from SetLBining: " << fNLtot << " truncated to " << kMaxBin << G4endl; fNLtot = kMaxBin; } fDLradl = Value(1); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void ExGflashDetectorConstruction::SetRBining(G4ThreeVector Value) { fNRtot = (G4int)Value(0); if (fNRtot > kMaxBin) { G4cout << "\n ---> warning from SetRBining: " << fNRtot << " truncated to " << kMaxBin << G4endl; fNRtot = kMaxBin; } fDRradl = Value(1); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void ExGflashDetectorConstruction::SetMaterial(G4String mat) { // search the material by its name G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(mat); if (pttoMaterial != nullptr && fDetMat != pttoMaterial) { fDetMat = pttoMaterial; if (fCrystal_log != nullptr) { fCrystal_log->SetMaterial(fDetMat); } G4RunManager::GetRunManager()->PhysicsHasBeenModified(); } } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......