DalitzPhaseSpace Class Reference

#include <DalitzPhaseSpace.hh>

Inheritance diagram for DalitzPhaseSpace:

Public Member Functions
	DalitzPhaseSpace (const char *phaseSpaceName, Double_t mD, Double_t mA, Double_t mB, Double_t mC)
	Constructor. More...
virtual	~DalitzPhaseSpace ()
	Destructor. More...
UInt_t	dimensionality ()
	Get dimensionality of the phase space. Always equals to two. More...
Bool_t	withinLimits (std::vector< Double_t > &x)
	Check if the point is within the phase space limits. More...
Double_t	lowerLimit (UInt_t var)
	Get lower limit. More...
Double_t	upperLimit (UInt_t var)
	Get upper limit. More...
Bool_t	limits (UInt_t var, std::vector< Double_t > &x, Double_t *lower, Double_t *upper)
	Return limits (lower and upper) for the variable at the certain point of the phase space. More...
Public Member Functions inherited from AbsPhaseSpace
	AbsPhaseSpace (const char *phaseSpaceName)
	Constructor. More...
virtual	~AbsPhaseSpace ()
	Destructor. More...
const char *	name (void)
	Return the name of the phase space. More...

Private Attributes
Double_t	m_a
	Mass of the particle A. More...
Double_t	m_b
	Mass of the particle B. More...
Double_t	m_c
	Mass of the particle C. More...
Double_t	m_d
	Mass of the mother particle. More...
Double_t	m_a2
	Squared mass of the particle A. More...
Double_t	m_b2
	Squared mass of the particle B. More...
Double_t	m_c2
	Squared mass of the particle C. More...
Double_t	m_d2
	Squared mass of the mother particle. More...
Double_t	m_SqSum
	Sum of squared masses of daughter and mother particles. More...
Double_t	m_MinAB
	Lower limit of AB invariant mass values. More...
Double_t	m_MaxAB
	Upper limit of AB invariant mass values. More...
Double_t	m_MinBC
	Lower limit of BC invariant mass values. More...
Double_t	m_MaxBC
	Upper limit of BC invariant mass values. More...

Additional Inherited Members
Protected Attributes inherited from AbsPhaseSpace
char	m_name [256]
	Phase space name. More...

Detailed Description

Class that describes the Dalitz phase space: the phase space of a particle decaying to three other particles. This is a two-dimensional phase space defined by the squared invariant masses of the two pairs of final state particles.

Definition at line 14 of file DalitzPhaseSpace.hh.

Constructor & Destructor Documentation

DalitzPhaseSpace::DalitzPhaseSpace	(	const char *	phaseSpaceName,
		Double_t	mD,
		Double_t	mA,
		Double_t	mB,
		Double_t	mC
	)

Constructor.

Parameters

[in]	phaseSpaceName	name of the phase space
[in]	mD	mass of the mother particle
[in]	mA	mass of the 1st daughter
[in]	mB	mass of the 2nd daughter
[in]	mC	mass of the 3rd daughter

Definition at line 11 of file DalitzPhaseSpace.cpp.

DalitzPhaseSpace::~DalitzPhaseSpace ( )

virtual

Destructor.

Definition at line 37 of file DalitzPhaseSpace.cpp.

Member Function Documentation

UInt_t DalitzPhaseSpace::dimensionality ( )

inlinevirtual

Get dimensionality of the phase space. Always equals to two.

Returns

2 :)

Implements AbsPhaseSpace.

Definition at line 39 of file DalitzPhaseSpace.hh.

Bool_t DalitzPhaseSpace::limits ( UInt_t  var, std::vector< Double_t > &  x, Double_t *  lower, Double_t *  upper  )

virtual

Return limits (lower and upper) for the variable at the certain point of the phase space.

Parameters

[in]	var	number of the variable
[in]	x	point in the phase space
[out]	lower	lower limit
[out]	upper	upper limit

Implements AbsPhaseSpace.

Definition at line 92 of file DalitzPhaseSpace.cpp.

Double_t DalitzPhaseSpace::lowerLimit ( UInt_t  var )

virtual

Get lower limit.

Parameters

[in]

var

variable number (0 or 1 for this class)

Returns

lower limit of the phase space for this variable

Implements AbsPhaseSpace.

Definition at line 72 of file DalitzPhaseSpace.cpp.

Double_t DalitzPhaseSpace::upperLimit ( UInt_t  var )

virtual

Get upper limit.

Parameters

[in]

var

variable number (0 or 1 for this class)

Returns

upper limit of the phase space for this variable

Implements AbsPhaseSpace.

Definition at line 82 of file DalitzPhaseSpace.cpp.

Bool_t DalitzPhaseSpace::withinLimits ( std::vector< Double_t > &  x )

virtual

Check if the point is within the phase space limits.

Parameters

[in]

x

point

Returns

true in the point is within the phase space, false otherwise

Implements AbsPhaseSpace.

Definition at line 41 of file DalitzPhaseSpace.cpp.

Member Data Documentation

Double_t DalitzPhaseSpace::m_a

private

Mass of the particle A.

Definition at line 74 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_a2

private

Squared mass of the particle A.

Definition at line 86 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_b

private

Mass of the particle B.

Definition at line 77 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_b2

private

Squared mass of the particle B.

Definition at line 89 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_c

private

Mass of the particle C.

Definition at line 80 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_c2

private

Squared mass of the particle C.

Definition at line 92 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_d

private

Mass of the mother particle.

Definition at line 83 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_d2

private

Squared mass of the mother particle.

Definition at line 95 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_MaxAB

private

Upper limit of AB invariant mass values.

Definition at line 104 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_MaxBC

private

Upper limit of BC invariant mass values.

Definition at line 110 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_MinAB

private

Lower limit of AB invariant mass values.

Definition at line 101 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_MinBC

private

Lower limit of BC invariant mass values.

Definition at line 107 of file DalitzPhaseSpace.hh.

Double_t DalitzPhaseSpace::m_SqSum

private

Sum of squared masses of daughter and mother particles.

Definition at line 98 of file DalitzPhaseSpace.hh.

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

• inc/DalitzPhaseSpace.hh
• src/DalitzPhaseSpace.cpp