PDT is a helper class implementing enumerations for charge, colour and spin to be used by the ParticleData class. More...

#include <PDT.h>

Public Types
enum	Spin { SpinNA = -1 , SpinUnknown = 0 , SpinUndefined = 0 , Spin0 = 1 , Spin1Half = 2 , Spin1 = 3 , Spin3Half = 4 , Spin2 = 5 , Spin5Half = 6 , Spin3 = 7 , Spin7Half = 8 , Spin4 = 9 }
	Definition of enumerated values used for spin information. More...

enum	Charge { ChargeUnknown = -999999 , ChargeUndefined = -999999 , Charged = 999990 , Positive = 900000 , Negative = -900000 , ChargeNeutral = 0 , Charge0 = 0 , Plus1Third = 1 , Plus2Third = 2 , Plus1 = 3 , Minus1Third = -1 , Minus2Third = -2 , Minus1 = -3 , Plus4Third = 4 , Plus5Third = 5 , Plus2 = 6 , Minus4Third = -4 , Minus5Third = -5 , Minus2 = -6 , Plus7Third = 7 , Plus8Third = 8 , Plus3 = 9 , Minus7Third = -7 , Minus8Third = -8 , Minus3 = -9 , Plus4 = 12 , Plus5 = 15 , Plus6 = 18 , Plus7 = 21 , Plus8 = 24 , Minus4 = -12 , Minus5 = -15 , Minus6 = -18 , Minus7 = -21 , Minus8 = -24 }
	Definition of enumerated values used for charge information. More...

enum	Colour { ColourUnknown = -1 , ColourUndefined = -1 , ColourNeutral = 0 , Colour0 = 0 , Coloured = 1 , Colour3 = 3 , Colour3bar = -3 , Colour6 = 6 , Colour6bar = -6 , Colour8 = 8 }
	Definition of enumerated values used for colour information. More...

enum	ColouredInteraction { ColouredUnknown = -2 , ColouredUndefined = -2 , NotColoured = -1 , ColouredQCD = 0 }
	Define type of nonabelian interactions. More...

Static Public Member Functions
static bool	charged (Charge c)
	True if the argument corresponds to a non-zero charge.

static bool	positive (Charge c)
	True if the argument corresponds to a positive charge.

static bool	negative (Charge c)
	True if the argument corresponds to a negative charge.

static bool	coloured (Colour c)
	True if the argument corresponds to a non-zero colour charge.

static Colour	antiColour (Colour c)
	Return the anti-colour of the specified colour.

static vector< long >	flavourContent (long id)
	Return the flavour content of the given particle.

static vector< long >	flavourContent (tcPDPtr)
	Return the flavour content of the given particle.

static vector< long >	flavourContent (tcPPtr)
	Return the flavour content of the given particle.

static vector< long >	flavourContent (const ParticleData &)
	Return the flavour content of the given particle.

static vector< long >	flavourContent (const Particle &)
	Return the flavour content of the given particle.

Detailed Description

PDT is a helper class implementing enumerations for charge, colour and spin to be used by the ParticleData class.

In addition, some static utility functions are provided.

See also: ParticleData

Definition at line 24 of file PDT.h.

Member Enumeration Documentation

◆ Charge

enum ThePEG::PDT::Charge

Definition of enumerated values used for charge information.

The integer values are given in units of e/3.

Enumerator
ChargeUnknown	Unknown charge.
ChargeUndefined	Undefined charge.
Charged	Is charged.
Positive	Is positively charged.
Negative	Is negatively charged.
ChargeNeutral	Uncharged.
Charge0	Uncharged.
Plus1Third	e/3.
Plus2Third	2e/3.
Plus1	e.
Minus1Third	-e/3.
Minus2Third	-2e/3.
Minus1	-e.
Plus4Third	4e/3.
Plus5Third	5e/3.
Plus2	2e.
Minus4Third	-4e/3.
Minus5Third	-5e/3.
Minus2	-3e.
Plus7Third	7e/3.
Plus8Third	8e/3.
Plus3	3e.
Minus7Third	-7e/3.
Minus8Third	-8e/3.
Minus3	-3e.
Plus4	4e.
Plus5	5e.
Plus6	6e.
Plus7	7e.
Plus8	8e.
Minus4	-4e.
Minus5	-5e.
Minus6	-6e.
Minus7	-7e.
Minus8	-8e.

Definition at line 51 of file PDT.h.

◆ Colour

enum ThePEG::PDT::Colour

Definition of enumerated values used for colour information.

Enumerator
ColourUnknown	Unknown colour.
ColourUndefined	Undefined colour.
ColourNeutral	Colour-singlet.
Colour0	Colour-singlet.
Coloured	Coloured.
Colour3	Colour-triplet.
Colour3bar	Colour-anti-triplet.
Colour6	Colour-sextet.
Colour6bar	Colour-anti-sextet.
Colour8	Colour-octet.

Definition at line 92 of file PDT.h.

◆ ColouredInteraction

enum ThePEG::PDT::ColouredInteraction

Define type of nonabelian interactions.

Definition at line 108 of file PDT.h.

◆ Spin

enum ThePEG::PDT::Spin

Definition of enumerated values used for spin information.

THe integer values are given according to 2s+1.

Enumerator
SpinNA	Spin is not applicable.
SpinUnknown	Unknown spin.
SpinUndefined	Undefined spin.
Spin0	Spin zero.
Spin1Half	Spin 1/2.
Spin1	Spin 1.
Spin3Half	Spin 3/2.
Spin2	Spin 2.
Spin5Half	Spin 5/2.
Spin3	Spin 4.
Spin7Half	Spin 7/2.
Spin4	Spin 5.

Definition at line 32 of file PDT.h.

Member Function Documentation

◆ antiColour()

static Colour ThePEG::PDT::antiColour ( Colour c )

inlinestatic

Return the anti-colour of the specified colour.

Definition at line 146 of file PDT.h.

References Colour3, Colour3bar, Colour6, and Colour6bar.

◆ charged()

static bool ThePEG::PDT::charged ( Charge c )

inlinestatic

True if the argument corresponds to a non-zero charge.

Definition at line 118 of file PDT.h.

References ChargeNeutral, and ChargeUndefined.

Referenced by ThePEG::MatcherBase::charged(), ThePEG::ParticleData::charged(), and ThePEG::ChargedMatcher::Check().

◆ coloured()

static bool ThePEG::PDT::coloured ( Colour c )

inlinestatic

True if the argument corresponds to a non-zero colour charge.

Definition at line 139 of file PDT.h.

References ColourNeutral, and ColourUnknown.

Referenced by ThePEG::MatcherBase::coloured(), and ThePEG::ParticleData::coloured().