Import Geant4 10.0.0 source tree

source/processes/electromagnetic/standard/include/G4PAIPhotModel.hh

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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.          *
+// ********************************************************************
+//
+// $Id: G4PAIPhotonModel.hh 73607 2013-09-02 10:04:03Z gcosmo $
+//
+// -------------------------------------------------------------------
+//
+// GEANT4 Class header file
+//
+//
+// File name:     G4PAIPhotModel
+//
+// Author:        V. Grichine based on G4PAIModel  code for MT
+//
+// Creation date: 07.10.2013
+//
+//
+// Class Description:
+//
+// Implementation of PAI photon model of energy loss and
+// delta-electron or X-ray production by charged particles in MT framework
+//
+// -------------------------------------------------------------------
+//
+
+#ifndef G4PAIPhotModel_h
+#define G4PAIPhotModel_h 1
+
+#include <CLHEP/Units/PhysicalConstants.h>
+
+#include "G4VEmModel.hh"
+#include "G4VEmFluctuationModel.hh"
+#include "globals.hh"
+#include <vector>
+
+class G4Region;
+class G4MaterialCutsCouple;
+class G4ParticleChangeForLoss;
+
+class G4PAIPhotData;
+
+class G4PAIPhotModel : public G4VEmModel, public G4VEmFluctuationModel
+{
+
+public:
+
+  G4PAIPhotModel(const G4ParticleDefinition* p = 0, const G4String& nam = "PAI");
+
+  virtual ~G4PAIPhotModel();
+
+  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
+
+  virtual void InitialiseLocal(const G4ParticleDefinition*, 
+                               G4VEmModel* masterModel);
+
+  virtual G4double ComputeDEDXPerVolume(const G4Material*,
+			       const G4ParticleDefinition*,
+			       G4double kineticEnergy,
+			       G4double cutEnergy);
+
+  virtual G4double CrossSectionPerVolume(const G4Material*,
+				const G4ParticleDefinition*,
+				G4double kineticEnergy,
+				G4double cutEnergy,
+				G4double maxEnergy);
+
+  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
+				 const G4MaterialCutsCouple*,
+				 const G4DynamicParticle*,
+				 G4double tmin,
+				 G4double maxEnergy);
+
+  virtual G4double SampleFluctuations(const G4MaterialCutsCouple*,
+				      const G4DynamicParticle*,
+				      G4double,
+				      G4double,
+				      G4double);
+
+  virtual G4double Dispersion(    const G4Material*,
+				  const G4DynamicParticle*,
+				  G4double,
+				  G4double);
+
+  void DefineForRegion(const G4Region* r);
+
+  inline G4PAIPhotData* GetPAIPhotData();
+
+  inline G4double ComputeMaxEnergy(G4double scaledEnergy);
+
+  inline void SetVerboseLevel(G4int verbose);
+
+protected:
+
+  G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
+			      G4double kinEnergy);
+
+private:
+
+  inline G4int FindCoupleIndex(const G4MaterialCutsCouple*);
+
+  inline void SetParticle(const G4ParticleDefinition* p);
+
+  // hide assignment operator 
+  G4PAIPhotModel & operator=(const  G4PAIPhotModel &right);
+  G4PAIPhotModel(const  G4PAIPhotModel&);
+
+  G4int                       fVerbose; 
+
+  G4PAIPhotData*             fModelData; 
+
+  std::vector<const G4MaterialCutsCouple*> fMaterialCutsCoupleVector;
+  std::vector<const G4Region*>      fPAIRegionVector;
+
+  const G4ParticleDefinition* fParticle;
+  const G4ParticleDefinition* fElectron;
+  const G4ParticleDefinition* fPositron;
+  G4ParticleChangeForLoss*    fParticleChange;
+
+  G4double fMass;
+  G4double fRatio;
+  G4double fChargeSquare;
+
+  G4bool   isInitialised;
+};
+
+inline G4PAIPhotData* G4PAIPhotModel::GetPAIPhotData()
+{
+  return fModelData;
+}
+
+inline G4double G4PAIPhotModel::ComputeMaxEnergy(G4double scaledEnergy)
+{
+  return MaxSecondaryEnergy(fParticle, scaledEnergy/fRatio);
+}
+
+inline void G4PAIPhotModel::SetVerboseLevel(G4int verbose) 
+{ 
+  fVerbose=verbose; 
+}
+
+inline G4int G4PAIPhotModel::FindCoupleIndex(const G4MaterialCutsCouple* couple)
+{
+  G4int idx = -1;
+  size_t jMatMax = fMaterialCutsCoupleVector.size();
+  for(size_t jMat = 0;jMat < jMatMax; ++jMat) { 
+    if(couple == fMaterialCutsCoupleVector[jMat]) {
+      idx = jMat; 
+      break; 
+    }
+  }
+  return idx;
+}
+
+inline void G4PAIPhotModel::SetParticle(const G4ParticleDefinition* p)
+{
+  if(fParticle != p) {
+    fParticle = p;
+    fMass = fParticle->GetPDGMass();
+    fRatio = CLHEP::proton_mass_c2/fMass;
+    G4double q = fParticle->GetPDGCharge()/CLHEP::eplus;
+    fChargeSquare = q*q;
+  }
+}
+
+#endif
+
+
+
+
+
+
+