Differential D87 Diff 389 EvtGenModels/EvtbTosllBSZFF.hh

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EvtGenModels/EvtbTosllBSZFF.hh

This file was copied from EvtGenModels/EvtPi0Dalitz.hh.

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	* You should have received a copy of the GNU General Public License *			* You should have received a copy of the GNU General Public License *
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	#ifndef EVTPI0DALITZ_HH			#ifndef EVTBTOSLLBSZFF_HH
	#define EVTPI0DALITZ_HH			#define EVTBTOSLLBSZFF_HH

	#include "EvtGenBase/EvtDecayProb.hh"			#include "EvtGenModels/EvtbTosllFF.hh"

	class EvtParticle;			class EvtId;

	class EvtPi0Dalitz : public EvtDecayProb {			// Description: Form factors for b->sll according to Aoife Bharucha, David M. Straub, Roman Zwicky
	public:			// https://arxiv.org/abs/1503.05534
	std::string getName() override;
	EvtDecayBase* clone() override;

	void init() override;
	void initProbMax() override;

	void decay( EvtParticle* p ) override;			class EvtbTosllBSZFF : public EvtbTosllFF {
				public:
	private:			EvtbTosllBSZFF() {}
	double m_poleSize{ 0.00000002 };

	// Following are rho mass and width, but in order to keep consistency			void getScalarFF( EvtId, EvtId, double, double, double&, double&,
	// with what was done before do not use data from particle table.			double& ) override;
	const double m_m0Sq{ 0.768 * 0.768 };			void getVectorFF( EvtId parent, EvtId vmeson, double q2, double vmesonmass,
	const double m_m0SqG0Sq{ m_m0Sq * 0.151 * 0.151 };			double& a1, double& a2, double& a0, double& v, double& t1,
				double& t2, double& t3 ) override;
	};			};

	#endif			#endif