Gabriele Cosmo
118 lines
5.0 KiB
C++
118 lines
5.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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/// \file Par02DetectorParametrisation.cc
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/// \brief Implementation of the Par02DetectorParametrisation class
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#include "Par02DetectorParametrisation.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4UnitsTable.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Par02DetectorParametrisation::Par02DetectorParametrisation() = default;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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Par02DetectorParametrisation::~Par02DetectorParametrisation() = default;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double Par02DetectorParametrisation::GetResolution( Detector aDetector,
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Parametrisation aParam,
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G4double aMomentum ) {
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aMomentum /= GeV; // To make sure momentum's unit is GeV
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G4double res = 1.0;
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if ( aParam == eCMS ) {
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switch ( aDetector ) {
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case Par02DetectorParametrisation::eTRACKER :
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res = 0.013;
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break;
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case Par02DetectorParametrisation::eEMCAL :
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res = std::sqrt( std::pow( 0.03 / std::sqrt( aMomentum ), 2 ) // stochastic
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+ std::pow( 0.12 / aMomentum, 2 ) // noise
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+ std::pow( 0.003, 2 ) ); // constant
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break;
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case Par02DetectorParametrisation::eHCAL :
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res = std::sqrt( std::pow( 1.1 / std::sqrt( aMomentum ), 2 ) // stochastic
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+ std::pow( 0.09, 2 ) ); // constant
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break;
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}
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} else if ( aParam == eATLAS ) {
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switch ( aDetector ) {
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case Par02DetectorParametrisation::eTRACKER :
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res = 0.01;
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break;
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case Par02DetectorParametrisation::eEMCAL :
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res = std::sqrt( std::pow( 0.1 / std::sqrt( aMomentum ), 2 ) // stochastic
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+ std::pow( 0.0017, 2 ) ); // constant
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break;
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case Par02DetectorParametrisation::eHCAL :
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res = std::sqrt( std::pow( 0.55 / std::sqrt( aMomentum ), 2 ) // stochastic
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+ std::pow( 0.06, 2 ) ); // constant
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break;
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}
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} else if ( aParam == eALEPH ) {
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switch ( aDetector ) {
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case Par02DetectorParametrisation::eTRACKER :
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res = 0.01;
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break;
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case Par02DetectorParametrisation::eEMCAL :
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res = std::sqrt( std::pow( 0.18 / std::sqrt( aMomentum ), 2 ) // stochastic
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+ std::pow( 0.009, 2 ) ); // constant
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break;
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case Par02DetectorParametrisation::eHCAL :
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res = 0.85 / std::sqrt( aMomentum ); // stochastic
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break;
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}
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}
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return res;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double Par02DetectorParametrisation::GetEfficiency( Detector aDetector,
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Parametrisation /*aParam*/,
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G4double /*aMomentum*/ ) {
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// For the time being, we set the efficiency to 1.0
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G4double eff = 1.0;
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switch ( aDetector ) {
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case Par02DetectorParametrisation::eTRACKER :
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eff = 1.0;
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break;
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case Par02DetectorParametrisation::eEMCAL :
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eff = 1.0;
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break;
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case Par02DetectorParametrisation::eHCAL :
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eff = 1.0;
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break;
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}
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return eff;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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