G4LEnp.hh

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//
//
// G4 Low energy model: n-p scattering
// F.W. Jones, L.G. Greeniaus, H.P. Wellisch
//  
// For further comments see G4LEnpData.hh and G4LEnp.cc
//
// 02.01.2014 V. Grichine add SampInvariantT for testing ds/dt

#ifndef G4LEnp_h
#define G4LEnp_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 "G4HadronicInteraction.hh"
#include "G4HadronElastic.hh"

#ifdef NPDEBUG
#include <iostream>
#include <fstream>
#endif


class G4LEnp : public G4HadronElastic  // G4HadronicInteraction
{
 private:

  //enum { NENERGY=21, NANGLE=180 };
    enum { NENERGY=39, NANGLE=180 };

 public:

   G4LEnp();

   ~G4LEnp();
 
   G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack,
                                  G4Nucleus& targetNucleus);

  // sample momentum transfer using Lab. momentum

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

   //   std::ofstream* outFile;
   //   std::ofstream* outFile1;

 // The following arrays are declared static to allow the use of initializers.
 // They are initialized in G4LEnpData.hh

   static const G4float sig[NENERGY][NANGLE];
   static const G4float pcm[NENERGY], elab[NENERGY], 
     dsigmax[NENERGY], sigtot[NENERGY];

};

#endif