PNNFSI.h

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// Author: I. Froehlich
// Written: 15.8.2008
// Revised:
 
#ifndef _PNNFSI_H_
#define _PNNFSI_H_
 
#include "TF1.h"
#include "TF2.h"
#include "PChannelModel.h"
 
#define NNFSI_MAX_DAUGHTERS 10
 
class PNNFSI : public PChannelModel  {
 
 public:
 
    PNNFSI();
    PNNFSI(const Char_t *id, const Char_t *de, Int_t key);
    PDistribution *Clone(const char *delme=NULL) const;
 
    Bool_t Init(void);
    using PChannelModel::SampleMass;
 
    using PChannelModel::GetWeight;
    Double_t GetWeight(void);
    Double_t GetWeight(Double_t *mass, Int_t *didx=NULL);
 
    void SetA0R0(Double_t a, Double_t r) {
    a0 = a;
    r0 = r;
    };
 
 private:
 
    void Setup(void);
    PParticle *n1, *n2, *daughters[NNFSI_MAX_DAUGHTERS];
    Int_t daughter_pos, triplet, is_np;
    Double_t r0, a0, weight;
 
    ClassDef(PNNFSI, 0)  // NN FSI using the Jost function
};
 
 
 
#endif