00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 00028 #ifndef G4ASTARStopping_h 00029 #define G4ASTARStopping_h 1 00030 00031 //--------------------------------------------------------------------------- 00032 // 00033 // ClassName: G4ASTARStopping 00034 // 00035 // Description: Data on stopping power 00036 // 00037 // Author: Anton Ivantchenko 21.04.2006 00038 // 00039 // Organisation: QinetiQ Ltd, UK 00040 // Customer: ESA/ESTEC, NOORDWIJK 00041 // Contract: CSMAN-5288 00042 // 00043 // Modifications: 00044 // 00045 //---------------------------------------------------------------------------- 00046 // 00047 // Class Description: 00048 // 00049 // Data on Stopping Powers of the He atoms from the NIST Data Base 00050 // http://physics.nist.gov/PhysRefData/STAR/Text/ASTAR.html 00051 // 00052 00053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00054 00055 #include "globals.hh" 00056 #include "G4LPhysicsFreeVector.hh" 00057 #include <vector> 00058 00059 class G4Material; 00060 00061 class G4ASTARStopping 00062 { 00063 public: 00064 00065 G4ASTARStopping(); 00066 00067 ~G4ASTARStopping(); 00068 00069 G4int GetIndex(const G4Material*); 00070 G4double GetEffectiveZ(G4int idx); 00071 00072 G4double GetElectronicDEDX(G4int idx, G4double energy); 00073 G4double GetElectronicDEDX(const G4Material*, G4double energy); 00074 00075 private: 00076 00077 void Initialise(); 00078 00079 void AddData(G4double* e, G4double* s, G4int idx); 00080 00081 // hide assignment operator 00082 G4ASTARStopping & operator=(const G4ASTARStopping &right); 00083 G4ASTARStopping(const G4ASTARStopping&); 00084 00085 G4int matIndex; 00086 const G4Material* currentMaterial; 00087 G4double emin; 00088 std::vector<G4String> name; 00089 std::vector<G4double> effZ; 00090 std::vector<G4LPhysicsFreeVector*> sdata; 00091 }; 00092 00093 inline G4double G4ASTARStopping::GetElectronicDEDX(const G4Material* mat, 00094 G4double energy) 00095 { 00096 return GetElectronicDEDX(GetIndex(mat), energy); 00097 } 00098 00099 inline G4double G4ASTARStopping::GetEffectiveZ(G4int idx) 00100 { 00101 return effZ[idx]; 00102 } 00103 00104 #endif