Resonance.h

Go to the documentation of this file.

/*  YAP - Yet another PWA toolkit
    Copyright 2015, Technische Universitaet Muenchen,
    Authors: Daniel Greenwald, Johannes Rauch

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/


#ifndef yap_Resonance_h
#define yap_Resonance_h

#include "fwd/DataPartition.h"
#include "fwd/DataPoint.h"
#include "fwd/DecayChannel.h"
#include "fwd/MassShape.h"
#include "fwd/ParticleCombination.h"
#include "fwd/PhaseSpaceFactor.h"
#include "fwd/QuantumNumbers.h"
#include "fwd/SpinAmplitude.h"
#include "fwd/StatusManager.h"

#include "DecayingParticle.h"

#include <complex>
#include <memory>
#include <string>

namespace yap {


class Resonance : public DecayingParticle
{
protected:

    Resonance(std::string name, const QuantumNumbers& q, double radialSize, std::shared_ptr<MassShape> massShape, std::shared_ptr<PhaseSpaceFactorFactory> phsp_factory);

public:

    static std::shared_ptr<Resonance> create(std::string name, const QuantumNumbers& q, double radialSize, std::shared_ptr<MassShape> massShape, std::shared_ptr<PhaseSpaceFactorFactory> phsp_factory = DefaultPHSPFactory)
    { return std::shared_ptr<Resonance>(new Resonance(name, q, radialSize, massShape, phsp_factory)); }

    virtual void checkDecayChannel(const DecayChannel& c) const override;

    using DecayingParticle::addChannel;

    virtual std::shared_ptr<DecayChannel> addChannel(std::shared_ptr<DecayChannel> c) override;

    virtual bool consistent() const override;


    std::shared_ptr<MassShape> massShape()
    { return MassShape_; }

    std::shared_ptr<const MassShape> massShape() const
    { return MassShape_; }


    friend MassShape;

protected:

    virtual void registerWithModel() override;

    virtual void addParticleCombination(const std::shared_ptr<ParticleCombination>& c) override;

    virtual void modifyDecayTree(DecayTree& dt) override;

    virtual std::shared_ptr<PhaseSpaceFactor> phaseSpaceFactor(const DecayChannel& dc, const SpinAmplitude& sa) override final;

private:

    std::shared_ptr<MassShape> MassShape_;

};

}

#endif