Import Geant4 11.3.0.beta source tree

2024-06-28 13:08:51 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+///////////////////////////////////////////////////////////////////////////
+//
+// Process describing a radiator of X-ray transition radiation.
+// Regular radiator with thicknesses of plates and gas gaps are Gauss-distributed.
+// We suppose that:
+// formation zone ~ mean thickness << absorption length
+// for each material and in the range 1-100 keV. This allows us to simplify
+// interference effects in radiator stack (GetStackFactor method).
+// The XTR photons are moved to the end of radiator.
+//
+// History:
+//
+// 19.04.24 V. Grichine, first version
+//
+
+#ifndef G4XTRGaussRadModel_h
+#define G4XTRGaussRadModel_h 1
+
+#include "G4LogicalVolume.hh"
+#include "G4Material.hh"
+#include "G4VXTRenergyLoss.hh"
+
+class G4XTRGaussRadModel : public G4VXTRenergyLoss
+{
+ public:
+  explicit G4XTRGaussRadModel(
+    G4LogicalVolume* anEnvelope, G4double, G4double, G4Material*, G4Material*, G4double, G4double,
+    G4int, const G4String& processName = "XTRGaussRadModel");
+  ~G4XTRGaussRadModel() override;
+
+  // reimplementation of base class function in analytical way
+
+  G4double SpectralXTRdEdx(G4double energy) override;
+
+  G4double GetStackFactor(G4double energy, G4double gamma,
+                          G4double varAngle) override;
+
+  void ProcessDescription(std::ostream&) const override;
+  void DumpInfo() const override { ProcessDescription(G4cout); };
+
+};
+
+#endif