EvtPropBreitWigner Class Reference

#include <EvtPropBreitWigner.hh>

Inheritance diagram for EvtPropBreitWigner:

List of all members.

Public Member Functions
	EvtPropBreitWigner (double m0, double g0)
	EvtPropBreitWigner (const EvtPropBreitWigner &other)
	~EvtPropBreitWigner ()
EvtAmplitude< EvtPoint1D > *	clone () const
double	m0 () const
double	g0 () const
void	set_m0 (double m0)
void	set_g0 (double g0)
EvtComplex	evaluate (const EvtPoint1D &p) const
Protected Member Functions
EvtComplex	amplitude (const EvtPoint1D &m) const
Protected Attributes
double	_m0
double	_g0

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Detailed Description

Definition at line 18 of file EvtPropBreitWigner.hh.

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Constructor & Destructor Documentation

EvtPropBreitWigner::EvtPropBreitWigner	(	double	m0,
		double	g0
	)

Definition at line 16 of file EvtPropBreitWigner.cc.

Referenced by clone().

  : EvtPropagator(m0,g0) 
{}

EvtPropBreitWigner::EvtPropBreitWigner

(

const EvtPropBreitWigner &

other

)

Definition at line 21 of file EvtPropBreitWigner.cc.

  : EvtPropagator(other)
{}

EvtPropBreitWigner::~EvtPropBreitWigner

(

)

Definition at line 26 of file EvtPropBreitWigner.cc.

{}

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Member Function Documentation

EvtComplex EvtPropBreitWigner::amplitude

(

const EvtPoint1D &

m

)

const [protected, virtual]

Implements EvtAmplitude< EvtPoint1D >.

Definition at line 36 of file EvtPropBreitWigner.cc.

References EvtPropagator::_g0, EvtPropagator::_m0, EvtConst::twoPi, and x.

{
  double m = x.value();
  EvtComplex value = sqrt(_g0/EvtConst::twoPi)/(m-_m0-EvtComplex(0.0,_g0/2.));
  return value;
}

EvtAmplitude< EvtPoint1D > * EvtPropBreitWigner::clone

(

)

const [virtual]

Implements EvtAmplitude< EvtPoint1D >.

Definition at line 30 of file EvtPropBreitWigner.cc.

References EvtPropBreitWigner().

{ 
  return new EvtPropBreitWigner(*this); 
}

EvtComplex EvtAmplitude< EvtPoint1D >::evaluate

(

const EvtPoint1D &

p

)

const [inline, inherited]

Definition at line 26 of file EvtAmplitude.hh.

References EvtAmplitude< T >::amplitude().

  {
    EvtComplex ret(0.,0.);
    if(p.isValid()) ret = amplitude(p);
    return ret;
  }

double EvtPropagator::g0

(

)

const [inline, inherited]

Definition at line 38 of file EvtPropagator.hh.

References EvtPropagator::_g0.

Referenced by EvtMassAmp::amplitude(), and EvtKstarstargamma::decay().

{ return _g0; }

double EvtPropagator::m0

(

)

const [inline, inherited]

Definition at line 37 of file EvtPropagator.hh.

References EvtPropagator::_m0.

Referenced by EvtMassAmp::amplitude(), and EvtPto3PAmp::numerator().

{ return _m0; }

void EvtPropagator::set_g0

(

double

g0

)

[inline, inherited]

Definition at line 43 of file EvtPropagator.hh.

References EvtPropagator::_g0.

Referenced by EvtPto3PAmp::amplitude(), and EvtKstarstargamma::decay().

{ assert(g0>=0); _g0 = g0; }

void EvtPropagator::set_m0

(

double

m0

)

[inline, inherited]

Definition at line 42 of file EvtPropagator.hh.

References EvtPropagator::_m0.

{ assert(m0>0);  _m0 = m0; }

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Member Data Documentation

double EvtPropagator::_g0 [protected, inherited]

Definition at line 48 of file EvtPropagator.hh.

Referenced by EvtPropBreitWignerRel::amplitude(), amplitude(), EvtPropagator::g0(), and EvtPropagator::set_g0().

double EvtPropagator::_m0 [protected, inherited]

Definition at line 47 of file EvtPropagator.hh.

Referenced by EvtPropBreitWignerRel::amplitude(), amplitude(), EvtPropagator::m0(), and EvtPropagator::set_m0().

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