Resonance.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2013 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributor: Wouter Hulsbergen, Francesco Tenchini                     *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <analysis/VertexFitting/TreeFitter/InternalParticle.h>
namespace TreeFitter {
  class FitParams;
  class ConstraintConfiguration;
 
  class Resonance : public InternalParticle {
  public:
    Resonance(Belle2::Particle* particle,
              const ParticleBase* mother,
              const ConstraintConfiguration& config,
              bool forceFitAll);
 
    virtual ~Resonance() ;
 
    ErrCode initMotherlessParticle(FitParams& fitparams) override;
 
    ErrCode initParticleWithMother(FitParams& fitparams) override;
 
    virtual int dim() const override { return 4; }
    virtual int type() const override { return kResonance; }
    virtual std::string parname(int index) const override;
 
    virtual int posIndex() const override { return mother()->posIndex(); }
    virtual int momIndex() const override { return index(); }
    virtual int tauIndex() const override { return -1; }
    virtual bool hasPosition() const override { return false; }
 
  private:
  };
 
}