G4VIonDEDXScalingAlgorithm.hh

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//
// ===========================================================================
// GEANT4 class header file
//
// Class:                G4VIonDEDXScalingAlgorithm
//
// Author:               Anton Lechner (Anton.Lechner@cern.ch)
//
// First implementation: 11. 03. 2009
//
// Modifications: 12. 11. 2009 - Added second argument (material) to energy
//                               scaling function (AL)
//
// Class description:
//    Base class for dE/dx scaling algorithms, used by G4IonDEDXHandler
//
// Comments:
//
// =========================================================================== 


#ifndef G4VIONDEDXSCALINGALGORITHM_HH
#define G4VIONDEDXSCALINGALGORITHM_HH

#include "globals.hh"
#include "G4ParticleDefinition.hh"

class G4Material;


class G4VIonDEDXScalingAlgorithm {

 public:
   G4VIonDEDXScalingAlgorithm();
   virtual ~G4VIonDEDXScalingAlgorithm();

   // Function for scaling the kinetic energy (no scaling by default).
   // Returns scaling factor for a given ion.
   virtual G4double ScalingFactorEnergy(
             const G4ParticleDefinition*,     // Projectile (ion) 
             const G4Material*)               // Target material
                 { return 1.0; }

   // Function for scaling the dE/dx value (no scaling by default).
   // Returns scaling factor for a given ion-material couple and
   // a given kinetic energy.
   virtual G4double ScalingFactorDEDX(
             const G4ParticleDefinition*,     // Projectile (ion) 
             const G4Material*,               // Target material
             G4double)                        // Kinetic energy of projectile 
                 { return 1.0; }

   // Function for defining a base particle for dE/dx calculation.
   // (no base particle by default). Returns atomic number of base
   // particle.
   virtual G4int AtomicNumberBaseIon(
             G4int atomicNumberIon,           // Atomic number of ion 
             const G4Material*)               // Target material
                 { return atomicNumberIon; }
                                
};

#endif

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