G4INCLNDFHardSphere.hh

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//
// INCL++ intra-nuclear cascade model
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
// Davide Mancusi, CEA
// Alain Boudard, CEA
// Sylvie Leray, CEA
// Joseph Cugnon, University of Liege
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"

#ifndef G4INCLNDFHARDSPHERE_HH_
#define G4INCLNDFHARDSPHERE_HH_

#include "G4INCLIFunction1D.hh"
#include "G4INCLParticleTable.hh"
#include "G4INCLDeuteronDensity.hh"

namespace G4INCL {

  namespace NuclearDensityFunctions {

    class HardSphere : public IFunction1D {
      public:
        HardSphere(const G4double rMax) :
          // We let the function go up to rMax. This can be the Fermi momentum
          // for a sphere in momentum space, or the surface radius for a
          // hard-sphere nucleus.
          IFunction1D(0., rMax),
          normalisation(3./std::pow(rMax,3.))
      {};

        inline G4double operator()(const G4double x) const {
          return x*x*normalisation;
        }
      protected:
        const G4double normalisation;
    };

  }

}

#endif // G4INCLNDFHARDSPHERE_HH_

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