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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 /// \file electromagnetic/TestEm10/include/XTRTransparentRegRadModel.hh 28 /// \brief Definition of the XTRTransparentRegRadModel class 29 // 30 // 31 /////////////////////////////////////////////////////////////////////////// 32 // 33 // Process describing a radiator of X-ray transition radiation. 34 // Thicknesses of plates and gas gaps are fixed. 35 // We suppose that: 36 // formation zone ~ mean thickness << absorption length 37 // for each material and in the range 1-100 keV. This allows us to simplify 38 // interference effects in radiator stack (GetStackFactor method). 39 // 40 // 41 // History: 42 // 43 // 05.04.05 V. Grichine, first version 44 // 45 46 #ifndef XTRTransparentRegRadModel_h 47 #define XTRTransparentRegRadModel_h 1 48 49 #include "G4VXTRenergyLoss.hh" 50 51 class XTRTransparentRegRadModel : public G4VXTRenergyLoss 52 { 53 public: 54 XTRTransparentRegRadModel(G4LogicalVolume* anEnvelope, G4Material*, G4Material*, G4double, 55 G4double, G4int, 56 const G4String& processName = "XTRTransparentRegRadModel"); 57 ~XTRTransparentRegRadModel(); 58 59 // reimplementation of base class function in analytical way 60 61 G4double SpectralXTRdEdx(G4double energy); 62 63 // Pure virtual function from base class 64 65 G4double GetStackFactor(G4double energy, G4double gamma, G4double varAngle); 66 }; 67 68 #endif 69