#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.

10{};

Member Function Documentation

◆ duplicate()

EvtMLineShape * EvtMBreitWigner::duplicate ( ) const

virtual

Implements EvtMLineShape.

Definition at line 28 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 );
}

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

Public Member Functions