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// $Id: G4eMultipleScattering.hh,v 1.3 2009/11/01 13:04:12 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// -----------------------------------------------------------------------------
//
// GEANT4 Class header file
//
// File name:     G4eMultipleScattering
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 10 March 2001
// 
// Modifications:
//
//
//------------------------------------------------------------------------------
//

// class description
//
//  The class simulates the multiple scattering for e+ and e-
//
// class description - end

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#ifndef G4eMultipleScattering_h
#define G4eMultipleScattering_h 1

#include "G4VMultipleScattering.hh"

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class G4eMultipleScattering : public G4VMultipleScattering

{
public:    // with description

  G4eMultipleScattering(const G4String& processName="msc");

  virtual ~G4eMultipleScattering();

  // returns true for charged particles, false otherwise
  G4bool IsApplicable (const G4ParticleDefinition& p);

  // Print few lines of informations about the process: validity range,
  void PrintInfo();

  // geom. step length distribution should be sampled or not
  void Setsamplez(G4bool value) { samplez = value;};

  // to reduce the energy/step dependence
  void Setdtrl(G4double value) { dtrl = value;};

  // 'soften' step limitation above lambdalimit
  void SetLambdalimit(G4double value) { lambdalimit = value;};

protected:

  // This function initialise models
  void InitialiseProcess(const G4ParticleDefinition*);

private:        // data members

  G4double lambdalimit;
  G4double dtrl;

  G4bool   samplez;
  G4bool   isInitialized;

};

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#endif
