#include <EvtHQET2FF.hh>

Inheritance diagram for EvtHQET2FF:

Public Member Functions
	EvtHQET2FF (double hqetrho2, double hqetha1_1, double hqetr1_1, double hqetr2_1)

	EvtHQET2FF (double hqetrho2, double hqetv1_1)

void	getvectorff (EvtId parent, EvtId daught, double t, double mass, double a1f, double a2f, double vf, double a0f)

void	getscalarff (EvtId parent, EvtId daught, double t, double mass, double f0p, double f0m)

Public Member Functions inherited from EvtSemiLeptonicFF
virtual void	gettensorff (EvtId parent, EvtId daught, double t, double mass, double a1f, double a2f, double vf, double a0f)

virtual void	getbaryonff (EvtId parent, EvtId daught, double t, double m_meson, double f1v, double f1a, double f2v, double f2a)

Detailed Description

Definition at line 20 of file EvtHQET2FF.hh.

Constructor & Destructor Documentation

◆ EvtHQET2FF() [1/2]

EvtHQET2FF::EvtHQET2FF	(	double	hqetrho2,
		double	hqetha1_1,
		double	hqetr1_1,
		double	hqetr2_1 )

Definition at line 25 of file EvtHQET2FF.cc.

                                                                                           {
 
  rho2 = hqetrho2;
  r1_1 = hqetr1_1;
  r2_1 = hqetr2_1;
  ha1_1 = hqetha1_1;
 
  return;
}

◆ EvtHQET2FF() [2/2]

EvtHQET2FF::EvtHQET2FF	(	double	hqetrho2,
		double	hqetv1_1 )

Definition at line 35 of file EvtHQET2FF.cc.

                                                       {
 
  rho2 = hqetrho2;
  v1_1 = hqetv1_1;
 
  return;
}

Member Function Documentation

◆ getscalarff()

void EvtHQET2FF::getscalarff	(	EvtId	parent,
		EvtId	daught,
		double	t,
		double	mass,
		double *	f0p,
		double *	f0m )

virtual

Reimplemented from EvtSemiLeptonicFF.

Definition at line 44 of file EvtHQET2FF.cc.

                                                                 {
 
 
  double mb=EvtPDL::getMeanMass(parent);
  double w = ((mb*mb)+(mass*mass)-t)/(2.0*mb*mass);
 
// Form factors have a general form, with parameters passed in
// from the arguements.
 
  // Use disparsion relation parametrization from 
  // I.Caprini, L.Lelluch, M.Neubert, Nucl. Phys. B 530,153(1998)
  const double z = (sqrt(w+1)-sqrt(2.))/(sqrt(w+1)+sqrt(2.));
  double v1 = v1_1*(1.- 8.*rho2*z + (51.*rho2-10.)*z*z - (252.*rho2-84.)*z*z*z)
;
 
  *f0p=v1;
  *f0m = 0.0;
 
  return;
 }

◆ getvectorff()

void EvtHQET2FF::getvectorff	(	EvtId	parent,
		EvtId	daught,
		double	t,
		double	mass,
		double *	a1f,
		double *	a2f,
		double *	vf,
		double *	a0f )