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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //------------------ G4XrayReflection physics process -----------------------
0027 //
0028 // History:
0029 // 19-09-23 H. Burkhardt, initial implementation
0030 //
0031 // --------------------------------------------------------------------------
0032 
0033 #ifndef G4XrayReflection_h
0034 #define G4XrayReflection_h 1
0035 
0036 #include "G4Gamma.hh"
0037 #include "G4VEmProcess.hh"
0038 #include "globals.hh"
0039 
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041 
0042 class G4ParticleDefinition;
0043 class G4VEmModel;
0044 class G4PropagatorInField;
0045 
0046 class G4XrayReflection : public G4VDiscreteProcess
0047 {
0048   public:  // with description
0049     explicit G4XrayReflection(const G4String& processName = "XrayReflection",
0050                               G4ProcessType type = fElectromagnetic);
0051     ~G4XrayReflection() override = default;
0052 
0053     G4double GetMeanFreePath(const G4Track& track, G4double previousStepSize,
0054                              G4ForceCondition* condition) override;
0055 
0056     G4VParticleChange* PostStepDoIt(const G4Track& track, const G4Step& Step) override;
0057 
0058     G4bool IsApplicable(const G4ParticleDefinition&) override;
0059     void BuildPhysicsTable(const G4ParticleDefinition&) override;
0060 
0061     void ProcessDescription(std::ostream&) const override;
0062     void DumpInfo() const override { ProcessDescription(G4cout); }
0063 
0064     void SetSurfaceRoughness(const G4double value);
0065 
0066     G4double Reflectivity(const G4double GamEner, const G4double SinIncidentAngle,
0067                           const G4Material* theMat) const;
0068 
0069     G4int ReadHenkeXrayData(std::string ElName, std::vector<G4double>& Ephot,
0070                             std::vector<G4double>& f1, std::vector<G4double>& f2);
0071     void SaveHenkeDataAsMaterialProperty();  // Save Henke data as Material propoerty
0072 
0073   private:
0074     G4VPhysicalVolume* fLastVolume = nullptr;
0075     G4ThreeVector fSurfaceNormal;
0076     static G4double fSurfaceRoughness;  // same value in all threads
0077 };
0078 
0079 #endif