A singleton holding all physics constants associated to particles. More...

#include <CepGen/Physics/PDG.h>

Classes
class	Id
	A class-in-the-middle PDG identifier for printout operations. More...

Public Types
enum	PdgIdEnum : pdgid_t { invalid = 0 , down = 1 , up = 2 , electron = 11 , muon = 13 , tau = 15 , gluon = 21 , photon = 22 , W = 24 , pomeron = 990 , reggeon = 110 , piZero = 111 , piPlus = 211 , eta = 221 , phi1680 = 100333 , neutron = 2112 , proton = 2212 , diffractiveProton = 9902210 }
	PDG ids of all known particles. More...

Public Member Functions
	PDG (const PDG &)=delete

void	operator= (const PDG &)=delete

	~PDG ()=default
	Default destructor.

void	define (const ParticleProperties &)
	Add a new particle definition to the library.

pdgids_t	particles () const
	All particles ids in this library.

void	dump (std::ostream *=nullptr) const
	Dump all particles in this library.

size_t	size () const
	Number of particles defined in this library.

bool	has (spdgid_t) const
	Is the particle defined for a given PDG id.

const ParticleProperties &	operator() (spdgid_t) const
	All physical properties for one particle.

ParticleProperties &	operator[] (spdgid_t id)

const std::string &	name (spdgid_t) const
	Accessor for particle properties.

double	colours (spdgid_t) const
	Colour factor for this particle.

double	mass (spdgid_t) const
	Particle mass (in GeV)

double	width (spdgid_t) const
	Resonance width (in GeV)

double	charge (spdgid_t) const
	Electric charge (in \(e\)) for this particle.

std::vector< double >	charges (spdgid_t) const
	Electric charges (in \(e\)) for this particle and anti-particles.

Static Public Member Functions
static PDG &	get ()
	Retrieve a unique instance of this particles info collection.

Detailed Description

Definition at line 28 of file PDG.h.

Member Enumeration Documentation

◆ PdgIdEnum

enum PdgIdEnum : pdgid_t

Note: From [5] :

‍The Monte Carlo particle numbering scheme [...] is intended to facilitate interfacing between event generators, detector simulators, and analysis packages used in particle physics.

Enumerator
invalid
down
up
electron
muon
tau
gluon
photon
W
pomeron
reggeon
piZero
piPlus
eta
phi1680
neutron
proton
diffractiveProton

Definition at line 33 of file PDG.h.

Constructor & Destructor Documentation

◆ PDG()

PDG ( const PDG & )

delete

◆ ~PDG()

~PDG ( )

default

Member Function Documentation

◆ charge()

double charge ( spdgid_t id ) const

Definition at line 98 of file PDG.cpp.

◆ charges()

std::vector< double > charges ( spdgid_t id ) const

Definition at line 100 of file PDG.cpp.

◆ colours()

double colours ( spdgid_t id ) const

Definition at line 88 of file PDG.cpp.

◆ define()

void define ( const ParticleProperties & props )

Definition at line 60 of file PDG.cpp.

◆ dump()

void dump ( std::ostream * os = nullptr ) const

Definition at line 109 of file PDG.cpp.

◆ get()

PDG & get ( )

static

Definition at line 41 of file PDG.cpp.

◆ has()

bool has ( spdgid_t id ) const

Definition at line 46 of file PDG.cpp.

◆ mass()

double mass ( spdgid_t id ) const

Definition at line 90 of file PDG.cpp.

◆ name()

const std::string & name ( spdgid_t id ) const

Human-readable name for this particle

Definition at line 81 of file PDG.cpp.

◆ operator()()

const ParticleProperties & operator() ( spdgid_t id ) const

Definition at line 48 of file PDG.cpp.

◆ operator=()

void operator= ( const PDG & )

delete

◆ operator[]()

ParticleProperties & operator[] ( spdgid_t id )

Definition at line 58 of file PDG.cpp.

◆ particles()

pdgids_t particles ( ) const

Definition at line 74 of file PDG.cpp.

◆ size()

size_t size ( ) const

Definition at line 107 of file PDG.cpp.

◆ width()

double width ( spdgid_t id ) const

Definition at line 96 of file PDG.cpp.

Classes

Public Types

Public Member Functions

Static Public Member Functions