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 // 00027 // $Id$ 00028 // 00029 // 00031 // 00032 // Process describing a radiator of X-ray transition radiation. 00033 // Thicknesses of plates and gas gaps are fixed. 00034 // We suppose that: 00035 // formation zone ~ mean thickness << absorption length 00036 // for each material and in the range 1-100 keV. This allows us to simplify 00037 // interference effects in radiator stack (GetStackFactor method). 00038 // 00039 // 00040 // History: 00041 // 00042 // 05.04.05 V. Grichine, first version 00043 // 00044 00045 00046 #ifndef G4TransparentRegXTRadiator_h 00047 #define G4TransparentRegXTRadiator_h 1 00048 00049 #include "G4VXTRenergyLoss.hh" 00050 00051 class G4TransparentRegXTRadiator : public G4VXTRenergyLoss 00052 { 00053 public: 00054 00055 G4TransparentRegXTRadiator (G4LogicalVolume *anEnvelope,G4Material*,G4Material*, 00056 G4double,G4double,G4int, 00057 const G4String & processName = "TransparentRegXTRadiator"); 00058 ~G4TransparentRegXTRadiator (); 00059 00060 // reimplementation of base class function in analytical way 00061 00062 G4double SpectralXTRdEdx(G4double energy); 00063 00064 // Pure virtual function from base class 00065 00066 G4double GetStackFactor( G4double energy, G4double gamma, G4double varAngle); 00067 }; 00068 00069 #endif