Gabriele Cosmo
148 lines
4.6 KiB
C++
148 lines
4.6 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 G4PSTARStopping_h
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#define G4PSTARStopping_h 1
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//---------------------------------------------------------------------------
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//
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// ClassName: G4PSTARStopping
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//
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// Description: Data on stopping power
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//
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// Author: Anton Ivantchenko 18.04.2006
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//
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// Organisation: QinetiQ Ltd, UK
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// Customer: ESA/ESTEC, NOORDWIJK
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// Contract: CSMAN-5288
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//
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// Modifications:
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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 Stopping Powers from the NIST Data Base
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// http://physics.nist.gov/PhysRefData/STAR/Text/PSTAR.html
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//
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// Current PSTAR database is available via url:
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// http://physics.nist.gov/PhysRefData/Star/Text/PSTAR.html
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "globals.hh"
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#include "G4Material.hh"
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#include "G4PhysicsFreeVector.hh"
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#include <vector>
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class G4PSTARStopping
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{
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public:
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explicit G4PSTARStopping();
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~G4PSTARStopping();
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void Initialise();
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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 GetElectronicDEDX(G4int idx, G4double energy) const;
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inline G4double GetElectronicDEDX(const G4Material*, G4double energy) const;
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G4PSTARStopping & operator=(const G4PSTARStopping &right) = delete;
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G4PSTARStopping(const G4PSTARStopping&) = delete;
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private:
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void AddData(const G4float* ss, const G4Material*);
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void FindData(G4int idx, const G4Material*);
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void PrintWarning(G4int idx) const;
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G4int nvectors;
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G4double emin;
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std::vector<const G4Material*> materials;
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std::vector<G4PhysicsFreeVector*> sdata;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4int G4PSTARStopping::GetIndex (const G4Material* mat) const
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{
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G4int idx = -1;
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for (G4int i=0; i<nvectors; ++i){
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if (mat == materials[i]){
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idx = i;
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break;
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}
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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 G4PSTARStopping::GetIndex(const G4String& nam) const
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{
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G4int idx = -1;
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for (G4int i=0; i<nvectors; ++i){
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if (nam == materials[i]->GetName()){
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idx = i;
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break;
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}
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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
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G4PSTARStopping::GetElectronicDEDX(G4int idx, G4double energy) const
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{
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G4double res = 0.0;
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if (idx<0 || idx>= nvectors) { PrintWarning(idx); }
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else if(energy < emin) { res = (*(sdata[idx]))[0]*std::sqrt(energy/emin); }
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else { res = sdata[idx]->Value(energy); }
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return res;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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inline G4double
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G4PSTARStopping::GetElectronicDEDX(const G4Material* mat, G4double energy) const
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{
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return GetElectronicDEDX(GetIndex(mat), energy);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#endif
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