EvtLASSAmp.hh
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EvtLASSAmp.hh
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	/*******************************************************************************
	* Project: BaBar detector at the SLAC PEP-II B-factory
	* Package: EvtGenBase
	* Authors: Denis Dujmic, ddujmic@slac.stanford.edu
	* Andrew Wagner, apwagner@slac.stanford.edu
	*
	* Copyright (C) 2005 SLAC
	*******************************************************************************/

	#ifndef EVT_LASS_AMP_HH
	#define EVT_LASS_AMP_HH

	#include <string>

	#include "EvtGenBase/EvtCyclic3.hh"
	#include "EvtGenBase/EvtDalitzPoint.hh"
	#include "EvtGenBase/EvtDalitzPlot.hh"
	#include "EvtGenBase/EvtAmplitude.hh"

	class EvtComplex;

	class EvtLASSAmp : public EvtAmplitude<EvtDalitzPoint> {

	public:

	EvtLASSAmp( EvtDalitzPlot *dp,
	EvtCyclic3::Pair pair,
	double m0, double g0,
	double a, double r, double cutoff, std::string subtype = "LASS" );

	EvtLASSAmp(const EvtLASSAmp& other);

	~EvtLASSAmp();

	virtual EvtComplex amplitude(const EvtDalitzPoint& p) const;

	virtual EvtAmplitude<EvtDalitzPoint>* clone() const
	{ return new EvtLASSAmp(*this); }

	private:

	EvtDalitzPlot *_dalitzSpace;

	EvtCyclic3::Pair _pair;

	double _m0;
	double _g0;
	double _q0;
	double _r;
	double _a;
	double _cutoff;
	std::string _subtype;

	};

	#endif