PEtaPiPiDilepton.h

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// Author: I. Froehlich
// Written: 09.11.2010
// Revised:
 
#ifndef _PETAPIPIDILEPTON_H_
#define _PETAPIPIDILEPTON_H_
 
#include "TF1.h"
#include "TF2.h"
#include "PChannelModel.h"
#include "PDynamicData.h"
#include "PKinematics.h"
 
class PEtaPiPiDilepton : public PChannelModel  {
 
 public:
    PEtaPiPiDilepton();
    PEtaPiPiDilepton(const Char_t *id, const Char_t *de, Int_t key);
    PDistribution *Clone(const char *delme=NULL) const;
 
    Bool_t Init(void);
 
    using PDistribution::GetWeight;
    using PChannelModel::GetWeight;
 
    Double_t GetWeight(Double_t *mass, Int_t *didx=NULL);
    Double_t GetWeight(void);
 
    using PDistribution::SampleMass;
    using PChannelModel::SampleMass;
    Bool_t SampleMass(void);
 
 
    Bool_t IsNotRejected(void);
 
 protected:
 
    PParticle *parent, *pip, *pim, *ep, *em;
    Double_t  m_pi, mass_ee, mass_e, mass_eta;
    Double_t weight_max;               //Maximum
 
    ClassDef(PEtaPiPiDilepton, 0)  // pipi correlation in eta -> pi+ pi- dilepton
};
 
#endif