PEtaDoubleDalitz.h

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// Author: I. Froehlich
// Written: 16.9.2009
// Revised:
//
 
#ifndef _PETADOUBLEDALITZ_H_
#define _PETADOUBLEDALITZ_H_
 
 
#include "PChannelModel.h"
#include "TRandom2.h"
 
 
class PEtaDoubleDalitz : public PChannelModel  {
 
public:
 
  PEtaDoubleDalitz(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;
  Bool_t SampleMass(void);
 
private:
 
  Double_t   Gen2lepton1(Double_t m);
  TRandom2  *gRand;
  PParticle *dil1, *dil2, *parent;
 
  Double_t       ff_w_max;             //Max weight of FF model
  PChannelModel *formfactor_model;     //form factor object
 
  ClassDef(PEtaDoubleDalitz, 0)  // Simple Eta Dalitz decay based on two dileptons
 
};
 
#endif // _PETADOUBLEDALITZ_H_