G4LEpp.hh

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//
//
// G4 Low energy model: n-n or p-p scattering
// F.W. Jones, L.G. Greeniaus, H.P. Wellisch
//  
// For further comments see G4LEppData.hh and G4LEpp.cc
//
// 30.01.14 V. Grichine add SampleInvariantT and inherit 
//             from G4HadronElastic

#ifndef G4LEpp_h
#define G4LEpp_h 1
 
#include "globals.hh"
#include "Randomize.hh"
#include "G4Element.hh"
#include "G4ElementVector.hh"
#include "G4ElementTable.hh"
#include "G4PhysicsTable.hh"
#include "G4PhysicsVector.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4Gamma.hh"
#include "G4Step.hh"
#include "G4TrackStatus.hh"
#include "G4HadronElastic.hh"

class G4LEpp : public G4HadronElastic
{
private:

  enum { NENERGY=40, NANGLE=180 };

public:

  G4LEpp();

  virtual ~G4LEpp();
 
  G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
                                 G4Nucleus& targetNucleus);

  G4double SampleInvariantT(const G4ParticleDefinition* p, 
                            G4double plab, G4int Z, G4int A);
  
private:

  // The following arrays are declared static to allow the use of initializers.
  // They are initialized in G4LEppData.hh

  // Coulomb effects suppressed:
  static const G4float Sig[NENERGY][NANGLE];
  static const G4float elab[NENERGY]; 
  static const G4float dSigmax[NENERGY];
  static const G4float Sigtot[NENERGY];

};

#endif