ThePEG::PDT Class Reference

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

#include <PDT.h>

List of all members.

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, Colour8 = 8
}

Definition of enumerated values used for colour information. 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

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.

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.

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.
Colour8	Colour-octet.

Definition at line 92 of file PDT.h.