Gabriele Cosmo
164 lines
5.2 KiB
C++
164 lines
5.2 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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#ifndef G4ICRU90StoppingData_h
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#define G4ICRU90StoppingData_h 1
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//----------------------------------------------------------------------
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//
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// File name: G4ICRU90StoppingData
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//
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// Description: Data on electroninc stopping power from ICRU 90
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//
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// Author: Lucas Norberto Burigo
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//
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// Creation date: 03.09.2018
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//
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// Modifications: 25.09.2018 V.Ivanchenko adopted for material sub-library
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//
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//----------------------------------------------------------------------------
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//
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// Class Description:
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//
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// Data on electonic stopping powers from ICRU 90 report
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//
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//
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#include "G4Material.hh"
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#include "G4PhysicsFreeVector.hh"
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#include "globals.hh"
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class G4ICRU90StoppingData
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{
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public:
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G4ICRU90StoppingData();
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~G4ICRU90StoppingData();
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// hide assignment operator
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G4ICRU90StoppingData& operator=(const G4ICRU90StoppingData& right) = delete;
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G4ICRU90StoppingData(const G4ICRU90StoppingData&) = delete;
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void Initialise();
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G4double GetElectronicDEDXforProton(const G4Material*, G4double kinEnergy) const;
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G4double GetElectronicDEDXforAlpha(const G4Material*, G4double scaledKinEnergy) const;
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inline G4int GetIndex(const G4Material*) const;
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inline G4int GetIndex(const G4String&) const;
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inline G4double GetElectronicDEDXforProton(G4int idx, G4double kinEnergy) const;
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inline G4double GetElectronicDEDXforAlpha(G4int idx, G4double scaledKinEnergy) const;
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inline G4bool IsApplicable(const G4Material*) const;
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private:
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inline G4double GetDEDX(const G4PhysicsFreeVector*, G4double e) const;
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void FillData();
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G4PhysicsFreeVector* AddData(G4int n, const G4float* e, const G4float* dedx);
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static constexpr G4int nvectors = 3;
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const G4Material* materials[nvectors];
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G4PhysicsFreeVector* sdata_proton[nvectors];
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G4PhysicsFreeVector* sdata_alpha[nvectors];
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G4bool isInitialized{false};
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4bool G4ICRU90StoppingData::IsApplicable(const G4Material* mat) const
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{
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return (mat == materials[1] || mat == materials[0] || mat == materials[2]);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4int G4ICRU90StoppingData::GetIndex(const G4Material* mat) const
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{
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G4int idx = -1;
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if (mat == materials[1]) {
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idx = 1;
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}
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else if (mat == materials[0]) {
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idx = 0;
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}
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else if (mat == materials[2]) {
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idx = 2;
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}
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return idx;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4int G4ICRU90StoppingData::GetIndex(const G4String& nam) const
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{
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G4int idx = -1;
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if (nam == materials[1]->GetName()) {
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idx = 1;
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}
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else if (nam == materials[0]->GetName()) {
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idx = 0;
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}
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else if (nam == materials[2]->GetName()) {
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idx = 2;
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}
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return idx;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double G4ICRU90StoppingData::GetDEDX(const G4PhysicsFreeVector* data,
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G4double e) const
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{
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const G4double emin = data->Energy(0);
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return (e >= emin) ? data->Value(e) : (*data)[0] * std::sqrt(e / emin);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double G4ICRU90StoppingData::GetElectronicDEDXforProton(
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G4int idx, G4double kinEnergy) const
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{
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return (idx >= 0 && idx < nvectors) ? GetDEDX(sdata_proton[idx], kinEnergy) : 0.0;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double G4ICRU90StoppingData::GetElectronicDEDXforAlpha(
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G4int idx, G4double scaledKinEnergy) const
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{
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return (idx >= 0 && idx < nvectors) ? GetDEDX(sdata_alpha[idx], scaledKinEnergy) : 0.0;
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}
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#endif
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