EvtMBreitWigner Class Reference

#include <EvtMBreitWigner.hh>

Inheritance diagram for EvtMBreitWigner:

Public Member Functions
	EvtMBreitWigner (const EvtId &id, const vector< string > &args)
	~EvtMBreitWigner ()
EvtComplex	shape (const vector< EvtVector4R > &product) const
EvtMLineShape *	duplicate () const
Public Member Functions inherited from EvtMLineShape
virtual	~EvtMLineShape ()
void	setres (EvtMRes *n)

Additional Inherited Members
Protected Attributes inherited from EvtMLineShape
EvtMRes *	_node

Detailed Description

Definition at line 6 of file EvtMBreitWigner.hh.

Constructor & Destructor Documentation

EvtMBreitWigner()

EvtMBreitWigner::EvtMBreitWigner	(	const EvtId &	id,
		const vector< string > &	args )

Definition at line 7 of file EvtMBreitWigner.cc.

                                                                              {
  if ( args.size() != 0 )
  {
    report( ERROR, "EvtGen" ) << "Unknown input arguments passed in to lineshape." << endl;
    ::abort();
  }
 
  _id      = id;
  _width   = EvtPDL::getWidth( id );
  _resmass = EvtPDL::getMeanMass( id );
}

Referenced by duplicate().

~EvtMBreitWigner()

EvtMBreitWigner::~EvtMBreitWigner ( )

inline

Definition at line 10 of file EvtMBreitWigner.hh.

{};

Member Function Documentation

duplicate()

EvtMLineShape * EvtMBreitWigner::duplicate ( ) const

virtual

Implements EvtMLineShape.

Definition at line 26 of file EvtMBreitWigner.cc.

                                                {
  vector<string> args;
  EvtMLineShape* tmp = new EvtMBreitWigner( _id, args );
  return tmp;
}

shape()

EvtComplex EvtMBreitWigner::shape ( const vector< EvtVector4R > & product ) const

virtual

Implements EvtMLineShape.

Definition at line 19 of file EvtMBreitWigner.cc.

                                                                            {
  static EvtComplex I( 0.0, 1.0 );
  double            mass = _node->get4vector( product ).mass();
 
  return sqrt( _width / ( EvtConst::twoPi ) ) * 1 / ( mass - _resmass - I * _width / 2 );
}

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

• EvtMBreitWigner.hh
• EvtMBreitWigner.cc