LauKappaRes.hh

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// Copyright University of Warwick 2004 - 2013.
// 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_KAPPA_RES
#define LAU_KAPPA_RES

#include "TString.h"

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


class LauKappaRes : public LauAbsResonance {

        public:

                LauKappaRes(TString resName, Double_t resMass, Double_t resWidth,
                                Int_t resSpin, Int_t resCharge, Int_t resPairAmpInt,
                                const LauDaughters* daughters);

                virtual ~LauKappaRes();

                virtual void initialise();


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


                void setConstants(Double_t b1, Double_t b2, Double_t A, Double_t m0);

        protected:

                virtual LauComplex resAmp(Double_t mass, Double_t spinTerm);

                void checkDaughterTypes() const;

        private:
                Double_t mSum_; 
                Double_t mSumSq_; 
                Double_t sAdler_;
                Double_t b1_; 
                Double_t b2_; 
                Double_t A_; 
                Double_t m0_; 
                Double_t m0Sq_; 
                Double_t denom_;

                ClassDef(LauKappaRes,0) // Kappa resonance model

};

#endif