G4NeutronCaptureXS.hh

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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:    G4NeutronCaptureXS
//
// Author  Ivantchenko, Geant4, 3-AUG-09
//
// Modifications:
//

// Class Description:
// This is a base class for neutron radiative capture cross section based on
// data files from G4NEUTRONXSDATA data set 
// Class Description - End
 
#ifndef G4NeutronCaptureXS_h
#define G4NeutronCaptureXS_h 1

#include "G4VCrossSectionDataSet.hh"
#include "globals.hh"
#include "G4ElementData.hh"
#include <vector>
#include <iostream>

class G4DynamicParticle;
class G4ParticleDefinition;
class G4Element;
class G4PhysicsVector;

class G4NeutronCaptureXS : public G4VCrossSectionDataSet
{
public: // With Description

  G4NeutronCaptureXS();

  virtual ~G4NeutronCaptureXS();

  virtual
  G4bool IsElementApplicable(const G4DynamicParticle*, G4int Z,
                             const G4Material*);

  virtual
  G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A,
                         const G4Element*, const G4Material*);

  virtual
  G4double GetElementCrossSection(const G4DynamicParticle*, 
                                  G4int Z, const G4Material* mat=0);
  
  virtual
  G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
                              const G4Isotope* iso,
                              const G4Element* elm,
                              const G4Material* mat);

  virtual G4Isotope* SelectIsotope(const G4Element*, G4double kinEnergy);

  virtual
  void BuildPhysicsTable(const G4ParticleDefinition&);

  virtual void CrossSectionDescription(std::ostream&) const;

private: 

  void Initialise(G4int Z, const char* = 0);

  G4PhysicsVector* RetrieveVector(std::ostringstream& in, G4bool warn);

  G4NeutronCaptureXS & operator=(const G4NeutronCaptureXS &right);
  G4NeutronCaptureXS(const G4NeutronCaptureXS&);

  G4double emax;
  G4int    maxZ;
  G4bool   isInitialized;

  G4ElementData data;
  std::vector<G4PhysicsVector*> work;
  std::vector<G4double> temp;

  static const G4int amin[93];
  static const G4int amax[93];

};

#endif

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