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ThePEG  2.1.5
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>

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...
 

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

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

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

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.

◆ 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

◆ flavourContent() [1/5]

static vector<long> ThePEG::PDT::flavourContent ( long  id)
static

Return the flavour content of the given particle.

The flavours will be given in decreasing mass with flavour before anti-flavour.

Referenced by antiColour().

◆ flavourContent() [2/5]

static vector<long> ThePEG::PDT::flavourContent ( tcPDPtr  )
static

Return the flavour content of the given particle.

The flavours will be given in decreasing mass with flavour before anti-flavour.

◆ flavourContent() [3/5]

static vector<long> ThePEG::PDT::flavourContent ( tcPPtr  )
static

Return the flavour content of the given particle.

The flavours will be given in decreasing mass with flavour before anti-flavour.

◆ flavourContent() [4/5]

static vector<long> ThePEG::PDT::flavourContent ( const ParticleData )
static

Return the flavour content of the given particle.

The flavours will be given in decreasing mass with flavour before anti-flavour.

◆ flavourContent() [5/5]

static vector<long> ThePEG::PDT::flavourContent ( const Particle )
static

Return the flavour content of the given particle.

The flavours will be given in decreasing mass with flavour before anti-flavour.


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