EvtPropFlatte.hh
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EvtPropFlatte.hh
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	/*******************************************************************************
	* Project: BaBar detector at the SLAC PEP-II B-factory
	* Package: EvtGenBase
	* Author: Denis Dujmic, SLAC
	*
	* Copyright (C) 2005 SLAC
	*******************************************************************************/

	// Flatte propagator: S.M.Flatte, Phys. Lett. B63, 224 (1976)

	#ifndef EVT_PROP_FLATTE_HH
	#define EVT_PROP_FLATTE_HH

	#include "EvtGenBase/EvtComplex.hh"
	#include "EvtGenBase/EvtPropagator.hh"


	class EvtPropFlatte : public EvtPropagator {
	public:

	EvtPropFlatte(double m0,
	double g0, double m0a, double m0b,
	double g1, double m1a, double m1b);
	EvtPropFlatte(const EvtPropFlatte& other);
	~EvtPropFlatte();

	EvtAmplitude<EvtPoint1D>* clone() const;

	protected:

	EvtComplex amplitude(const EvtPoint1D& x) const;

	double _m0a;
	double _m0b;

	double _g1;
	double _m1a;
	double _m1b;

	};

	#endif