Import Geant4 10.5.0.beta source tree

2018-06-29 10:58:11 +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: G4AtimaFluctuations.hh $
+//
+// -------------------------------------------------------------------
+//
+// GEANT4 Class header file
+//
+//
+// File name:     G4AtimaFluctuations
+//
+// Author:        Jose Luis Rodriguez Sanchez on base of ATIMA code
+//
+// Creation date: 16.01.2018
+//
+// Modifications:
+//
+//
+// Class Description:
+//
+// Implementation of ion energy loss fluctuations
+//
+// -------------------------------------------------------------------
+//
+
+#ifndef G4AtimaFluctuations_h
+#define G4AtimaFluctuations_h 1
+
+
+#include "G4VEmFluctuationModel.hh"
+#include "G4ParticleDefinition.hh"
+#include "G4UniversalFluctuation.hh"
+
+class G4Pow;
+
+class G4AtimaFluctuations : public G4VEmFluctuationModel
+{
+
+public:
+
+  explicit G4AtimaFluctuations(const G4String& nam = "IonFlucAtima");
+
+  virtual ~G4AtimaFluctuations();
+
+  // Sample fluctuations
+  virtual G4double SampleFluctuations(const G4MaterialCutsCouple*,
+                                      const G4DynamicParticle*,
+                                      G4double tmax,
+                                      G4double length,
+                                      G4double meanLoss) override;
+
+  // Compute dispertion 
+  virtual G4double Dispersion(const G4Material*,
+                              const G4DynamicParticle*,
+                              G4double tmax,
+                              G4double length) override;
+
+  // Initialisation prerun
+  virtual void InitialiseMe(const G4ParticleDefinition*) override;
+
+  // Initialisation prestep
+  virtual void SetParticleAndCharge(const G4ParticleDefinition*, 
+                                    G4double q2) override;
+
+private:
+
+  G4double EnergyTable_interpolate(const G4double* table,G4double xval, const G4double* y);
+
+  // hide assignment operator
+  G4AtimaFluctuations & operator=(const  G4AtimaFluctuations &right) = delete;
+  G4AtimaFluctuations(const  G4AtimaFluctuations&) = delete;
+
+  G4UniversalFluctuation      uniFluct;
+  const G4ParticleDefinition* particle;
+
+  G4Pow*   g4calc; 
+
+  G4double particleMass;
+  G4double charge;
+  G4double chargeSquare;
+  G4double effChargeSquare;
+
+  G4double MLN10;
+  G4double atomic_mass_unit;
+  G4double dedx_constant;
+  G4double electron_mass;
+  G4double fine_structure;
+  G4double domega2dx_constant;
+
+  static G4double stepE;
+  static G4double tableE[200];
+  static const G4double ls_X_coefficients_a[110][200];
+  static const G4double ls_X_coefficients_ahi[110][200];
+  static const G4double element_atomic_weights[110];
+
+  // data members to speed up the fluctuation calculation
+  G4double minLoss;
+  // cash
+  G4double kineticEnergy;
+  G4double beta2;
+};
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+#endif
+