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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 /// \file Par02DetectorParametrisation.cc 28 /// \brief Implementation of the Par02DetectorParametrisation class 29 30 #include "Par02DetectorParametrisation.hh" 31 32 #include "G4SystemOfUnits.hh" 33 #include "G4UnitsTable.hh" 34 35 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 36 37 Par02DetectorParametrisation::Par02DetectorParametrisation() = default; 38 39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 40 41 Par02DetectorParametrisation::~Par02DetectorParametrisation() = default; 42 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 44 45 G4double Par02DetectorParametrisation::GetResolution(Detector aDetector, Parametrisation aParam, 46 G4double aMomentum) 47 { 48 aMomentum /= GeV; // To make sure momentum's unit is GeV 49 G4double res = 1.0; 50 if (aParam == eCMS) { 51 switch (aDetector) { 52 case Par02DetectorParametrisation::eTRACKER: 53 res = 0.013; 54 break; 55 case Par02DetectorParametrisation::eEMCAL: 56 res = std::sqrt(std::pow(0.03 / std::sqrt(aMomentum), 2) // stochastic 57 + std::pow(0.12 / aMomentum, 2) // noise 58 + std::pow(0.003, 2)); // constant 59 break; 60 case Par02DetectorParametrisation::eHCAL: 61 res = std::sqrt(std::pow(1.1 / std::sqrt(aMomentum), 2) // stochastic 62 + std::pow(0.09, 2)); // constant 63 break; 64 } 65 } 66 else if (aParam == eATLAS) { 67 switch (aDetector) { 68 case Par02DetectorParametrisation::eTRACKER: 69 res = 0.01; 70 break; 71 case Par02DetectorParametrisation::eEMCAL: 72 res = std::sqrt(std::pow(0.1 / std::sqrt(aMomentum), 2) // stochastic 73 + std::pow(0.0017, 2)); // constant 74 break; 75 case Par02DetectorParametrisation::eHCAL: 76 res = std::sqrt(std::pow(0.55 / std::sqrt(aMomentum), 2) // stochastic 77 + std::pow(0.06, 2)); // constant 78 break; 79 } 80 } 81 else if (aParam == eALEPH) { 82 switch (aDetector) { 83 case Par02DetectorParametrisation::eTRACKER: 84 res = 0.01; 85 break; 86 case Par02DetectorParametrisation::eEMCAL: 87 res = std::sqrt(std::pow(0.18 / std::sqrt(aMomentum), 2) // stochastic 88 + std::pow(0.009, 2)); // constant 89 break; 90 case Par02DetectorParametrisation::eHCAL: 91 res = 0.85 / std::sqrt(aMomentum); // stochastic 92 break; 93 } 94 } 95 return res; 96 } 97 98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 99 100 G4double Par02DetectorParametrisation::GetEfficiency(Detector aDetector, Parametrisation /*aParam*/, 101 G4double /*aMomentum*/) 102 { 103 // For the time being, we set the efficiency to 1.0 104 G4double eff = 1.0; 105 switch (aDetector) { 106 case Par02DetectorParametrisation::eTRACKER: 107 eff = 1.0; 108 break; 109 case Par02DetectorParametrisation::eEMCAL: 110 eff = 1.0; 111 break; 112 case Par02DetectorParametrisation::eHCAL: 113 eff = 1.0; 114 break; 115 } 116 return eff; 117 } 118 119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 120