Import Geant4 8.2.0 source tree

2016-06-09 14:55:03 +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.          *
+// ********************************************************************
+//
+// $Id: G4ePolarizedIonisation.hh,v 1.1 2006/09/21 21:35:11 vnivanch Exp $
+// GEANT4 tag $Name: geant4-08-02 $
+// -------------------------------------------------------------------
+//
+// GEANT4 Class header file
+//
+//
+// File name:     G4ePolarizedIonisation
+//
+// Author:        A.Schaelicke on base of Vladimir Ivanchenko code
+//
+// Creation date: 10.11.2005
+//
+// Modifications:
+//
+// 10-11-05, include polarization description (A.Schaelicke)
+// , create asymmetry table and determine interactionlength 
+// , update polarized differential cross section 
+//
+// 20-08-05, modified interface (A.Schaelicke)
+//
+// Class Description:
+//
+// polarized version of G4eIonisation
+// ----------------------------------------------------------------------------
+// -------------------------------------------------------------------
+//
+
+#ifndef G4ePolarizedIonisation_h
+#define G4ePolarizedIonisation_h 1
+
+#include "G4VEnergyLossProcess.hh"
+#include "G4Electron.hh"
+#include "G4Positron.hh"
+
+class G4Material;
+class G4ParticleDefinition;
+class G4VEmFluctuationModel;
+class G4PolarizedMollerBhabhaModel;
+
+class G4ePolarizedIonisation : public G4VEnergyLossProcess
+{
+
+public:
+
+  G4ePolarizedIonisation(const G4String& name = "pol-eIoni");
+
+  virtual ~G4ePolarizedIonisation();
+
+  G4bool IsApplicable(const G4ParticleDefinition& p);
+
+  // Print out of the class parameters
+  virtual void PrintInfo();
+
+protected:
+
+  std::vector<G4DynamicParticle*>* SecondariesPostStep(
+                                   G4VEmModel*,
+                             const G4MaterialCutsCouple*,
+                             const G4DynamicParticle*,
+                                   G4double&);
+
+  virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
+					   const G4ParticleDefinition*);
+
+  virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
+                                    const G4Material*, G4double cut);
+
+
+  // for polarization
+  G4double GetMeanFreePath(const G4Track& track,
+                              G4double previousStepSize,
+                              G4ForceCondition* condition);
+
+  virtual void BuildPhysicsTable(const G4ParticleDefinition&);
+
+  G4double ComputeAsymmetry(G4double energy,
+			    const G4MaterialCutsCouple* couple,
+			    const G4ParticleDefinition& particle,
+			    G4double cut,
+			    G4double &tasm);
+
+protected:
+
+  const G4ParticleDefinition* DefineBaseParticle(const G4ParticleDefinition* p);
+
+private:
+  G4ePolarizedIonisation & operator=(const G4ePolarizedIonisation &right);
+  G4ePolarizedIonisation(const G4ePolarizedIonisation&);
+
+  G4ParticleDefinition* theElectron;
+  G4VEmFluctuationModel* flucModel;
+  G4PolarizedMollerBhabhaModel* emModel;
+
+  G4bool isElectron;
+  G4bool isInitialised;
+
+  // for polarization:
+  G4ThreeVector theTargetPolarization;
+
+  size_t numBinAsymmetryTable;
+  
+  G4PhysicsTable* theAsymmetryTable;          // table for cross section assym.
+  G4PhysicsTable* theTransverseAsymmetryTable; // table for transverse cross section assym.
+};
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+inline G4double G4ePolarizedIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
+                                                   const G4Material*,
+                                                         G4double cut)
+{
+  G4double x = cut;
+  if(isElectron) x += cut;
+  return x;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+inline G4bool G4ePolarizedIonisation::IsApplicable(const G4ParticleDefinition& p)
+{
+  return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
+}
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#endif