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 // 00028 // 00029 // Process describing a radiator of X-ray transition radiation. 00030 // Thicknesses of plates and gas gaps are fixed. 00031 // We suppose that: 00032 // formation zone ~ mean thickness << absorption length 00033 // for each material and in the range 1-100 keV. This allows us to simplify 00034 // interference effects in radiator stack (GetStackFactor method). 00035 // 00036 // 00037 // History: 00038 // 00039 // 05.04.05 V. Grichine, first version 00040 // 00041 00042 00043 #ifndef G4XTRTransparentRegRadModel_h 00044 #define G4XTRTransparentRegRadModel_h 1 00045 00046 #include "G4VXTRenergyLoss.hh" 00047 00048 class G4XTRTransparentRegRadModel : public G4VXTRenergyLoss 00049 { 00050 public: 00051 00052 G4XTRTransparentRegRadModel (G4LogicalVolume *anEnvelope,G4Material*,G4Material*, 00053 G4double,G4double,G4int, 00054 const G4String & processName = "XTRTransparentRegRadModel"); 00055 ~G4XTRTransparentRegRadModel (); 00056 00057 // reimplementation of base class function in analytical way 00058 00059 G4double SpectralXTRdEdx(G4double energy); 00060 00061 // Pure virtual function from base class 00062 00063 G4double GetStackFactor( G4double energy, G4double gamma, G4double varAngle); 00064 }; 00065 00066 #endif