LauBelleNR.hh

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// Copyright University of Warwick 2004 - 2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_BELLE_NR
#define LAU_BELLE_NR

#include "TString.h"

#include "LauComplex.hh"
#include "LauAbsResonance.hh"

class LauKinematics;
class LauParameter;


class LauBelleNR : public LauAbsResonance {

        public:

                LauBelleNR(LauResonanceInfo* resInfo, const LauAbsResonance::LauResonanceModel resType,
                                const Int_t resPairAmpInt, const LauDaughters* daughters);

                virtual ~LauBelleNR();


                void enforceLegendreSpinFactors( const Bool_t forceLegendre ) { forceLegendre_ = forceLegendre; }

                virtual void initialise();


                virtual LauAbsResonance::LauResonanceModel getResonanceModel() const {return model_;}


                virtual void setResonanceParameter(const TString& name, const Double_t value);


                virtual void floatResonanceParameter(const TString& name);


                virtual LauParameter* getResonanceParameter(const TString& name);


                virtual const std::vector<LauParameter*>& getFloatingParameters();

        protected:

                void setAlpha(const Double_t alpha);


                Double_t getAlpha() const {return (alpha_!=0) ? alpha_->unblindValue() : 0.0;}


                Bool_t fixAlpha() const {return (alpha_!=0) ? alpha_->fixed() : kTRUE;}


                virtual LauComplex resAmp(Double_t mass, Double_t spinTerm);

        private:
                LauBelleNR(const LauBelleNR& rhs);

                LauBelleNR& operator=(const LauBelleNR& rhs);

                LauParameter* alpha_;

                LauAbsResonance::LauResonanceModel model_;

                Bool_t forceLegendre_;

                ClassDef(LauBelleNR,0)
};

#endif