EvtHQETFF Class Reference

#include <EvtHQETFF.hh>

Inheritance diagram for EvtHQETFF:

Public Member Functions
	EvtHQETFF (double hqetrho2, double hqetr1, double hqetr2, double hqetc=0.)
	EvtHQETFF (double hqetrho2, double hqetc=0.)
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 28 of file EvtHQETFF.hh.

Constructor & Destructor Documentation

EvtHQETFF() [1/2]

EvtHQETFF::EvtHQETFF	(	double	hqetrho2,
		double	hqetr1,
		double	hqetr2,
		double	hqetc = 0. )

Definition at line 29 of file EvtHQETFF.cc.

                                                                                     {
 
  rho2 = hqetrho2;
  r1   = hqetr1;
  r2   = hqetr2;
  c    = quadTerm;
 
  return;
}

EvtHQETFF() [2/2]

EvtHQETFF::EvtHQETFF	(	double	hqetrho2,
		double	hqetc = 0. )

Definition at line 39 of file EvtHQETFF.cc.

                                                       {
 
  rho2 = hqetrho2;
  c    = quadTerm;
 
  return;
}

Member Function Documentation

getscalarff()

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

virtual

Reimplemented from EvtSemiLeptonicFF.

Definition at line 47 of file EvtHQETFF.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.
 
  double ha1 = 1 - rho2 * ( w - 1 ) + c * ( w - 1 ) * ( w - 1 );
 
  *f0p = ha1;
  *f0m = 0.0;
 
  return;
}

getvectorff()

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

virtual

Reimplemented from EvtSemiLeptonicFF.

Definition at line 64 of file EvtHQETFF.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.
 
  double rstar = ( 2.0 * sqrt( mb * mass ) ) / ( mb + mass );
  double ha1   = 1 - rho2 * ( w - 1 );
 
  *a1f = ( 1.0 - ( t / ( ( mb + mass ) * ( mb + mass ) ) ) ) * ha1;
  *a1f = ( *a1f ) / rstar;
  *a2f = ( r2 / rstar ) * ha1;
  *vf  = ( r1 / rstar ) * ha1;
  *a0f = 0.0;
 
  return;
}

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The documentation for this class was generated from the following files:

• EvtHQETFF.hh
• EvtHQETFF.cc