EvtLb2Lll.hh
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EvtLb2Lll.hh
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	//----------------------------------------------------------------------------------
	//
	// Module: EvtLb2Lll.hh
	//
	// Desription: Routine to implement Lambda_b0 -> Lambda_0 l+ l- decays accroding to
	// several models: Chen. Geng.
	// Aliev. Ozpineci. Savci.
	//
	// Modification history:
	//
	// 15/09/2004 PR Module created according to PHSP model
	// 20/02/2005 PR Added parameters, created matrix element (without polarization)
	// 04/03/2005 PR LD contrib., corrected WC eff. according to Chen. Geng.
	//
	//----------------------------------------------------------------------------------

	#ifndef EVTLB2LLL_HH
	#define EVTLB2LLL_HH

	#include "EvtGenBase/EvtDecayAmp.hh"
	#include "EvtGenBase/EvtTensor4C.hh"
	#include "EvtGenBase/EvtDiracSpinor.hh"
	#include "EvtGenModels/EvtWilsonCoefficients.hh"

	class EvtLb2Lll:public EvtDecayAmp {

	public:

	EvtLb2Lll() {}
	virtual ~EvtLb2Lll();

	std::string getName();
	EvtDecayBase* clone();

	void decay(EvtParticle *p);
	void init();
	void initProbMax();
	void calcAmp(EvtAmp amp,EvtParticle parent);

	EvtTensor4C EvtLeptonTG5Current(const EvtDiracSpinor &d,const EvtDiracSpinor &dp);

	private:

	double m_polarizationLambdab0;
	double m_maxProbability;
	double m_poleSize;
	long m_noTries;
	double m_omega;

	std::string m_decayName;
	std::string m_polarizationIntroduction;
	std::string m_HEPmodel;
	std::string m_FFtype;
	std::string m_effectContribution;

	EvtWilsonCoefficients m_WC;

	};

	#endif