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diff --git a/include/HEJ/PDG_codes.hh b/include/HEJ/PDG_codes.hh
index da923f7..e45b26d 100644
--- a/include/HEJ/PDG_codes.hh
+++ b/include/HEJ/PDG_codes.hh
@@ -1,216 +1,216 @@
/** \file PDG_codes.hh
* \brief Contains the Particle IDs of all relevant SM particles.
*
* Large enumeration included which has multiple entries for potential
* alternative names of different particles. There are also functions
* which can be used to determine if a particle is a parton or if
* it is a non-gluon boson.
*
* \authors The HEJ collaboration (see AUTHORS for details)
* \date 2019
* \copyright GPLv2 or later
*/
#pragma once
#include <string>
namespace HEJ {
//! particle ids according to PDG
namespace pid {
//! The possible particle identities. We use PDG IDs as standard.
enum ParticleID: int{
d = 1, /*!< Down Quark */
down = d, /*!< Down Quark */
u = 2, /*!< Up Quark */
up = u, /*!< Up Quark */
s = 3, /*!< Strange Quark */
strange = s, /*!< Strange Quark */
c = 4, /*!< Charm Quark */
charm = c, /*!< Charm Quark */
b = 5, /*!< Bottom Quark */
bottom = b, /*!< Bottom Quark */
t = 6, /*!< Top Quark */
top = t, /*!< Top Quark */
e = 11, /*!< Electron */
electron = e, /*!< Electron */
nu_e = 12, /*!< Electron Neutrino */
electron_neutrino = nu_e, /*!< Electron neutrino */
mu = 13, /*!< Muon */
muon = mu, /*!< Muon */
nu_mu = 14, /*!< Muon Neutrino */
muon_neutrino = nu_mu, /*!< Muon Neutrino */
tau = 15, /*!< Tau */
nu_tau = 16, /*!< Tau Neutrino */
tau_neutrino = nu_tau, /*!< Tau Neutrino */
d_bar = -d, /*!< Anti-Down Quark */
antidown = d_bar, /*!< Anti-Down Quark */
u_bar = -u, /*!< Anti-Up quark */
antiup = -u, /*!< Anti-Up quark */
s_bar = -s, /*!< Anti-Strange Quark */
antistrange = -s, /*!< Anti-Strange Quark */
c_bar = -c, /*!< Anti-Charm Quark */
anticharm = -c, /*!< Anti-Charm Quark */
b_bar = -b, /*!< Anti-Bottom Quark */
antibottom = -b, /*!< Anti-Bottom Quark */
t_bar = -t, /*!< Anti-Top Quark */
antitop = -t, /*!< Anti-Top Quark */
e_bar = -e, /*!< Positron */
positron = e_bar, /*!< Positron */
antielectron = positron, /*!< Positron */
nu_e_bar = -nu_e, /*!< Electron Anti-Neutrino */
electron_antineutrino = nu_e_bar,/*!< Electron Anti-Neutrino */
mu_bar = -mu, /*!< Anti-Muon */
antimuon = -mu, /*!< Anti-Muon */
nu_mu_bar = -nu_mu, /*!< Muon Anti-Neutrino */
muon_antineutrino = nu_mu_bar, /*!< Muon Anti-Neutrino */
tau_bar = -tau, /*!< Anti-Tau */
antitau = tau_bar, /*!< Anti-Tau */
nu_tau_bar = -nu_tau, /*!< Tau Anti-Neutrino */
tau_antineutrino = nu_tau_bar, /*!< Tau Anti-Neutrino */
gluon = 21, /*!< Gluon */
g = gluon, /*!< Gluon */
photon = 22, /*!< Photon */
gamma = photon, /*!< Photon */
Z = 23, /*!< Z Boson */
Wp = 24, /*!< W- Boson */
- Wm = -Wp, /*!< W+ Boson */
+ Wm = -Wp, /*!< W+ Boson */
h = 25, /*!< Higgs Boson */
Higgs = h, /*!< Higgs Boson */
higgs = h, /*!< Higgs Boson */
p = 2212, /*!< Proton */
proton = p, /*!< Proton */
p_bar = -p, /*!< Anti-Proton */
antiproton = p_bar, /*!< Anti-Proton */
};
} // namespace pid
using ParticleID = pid::ParticleID;
//! Convert a particle name to the corresponding PDG particle ID
ParticleID to_ParticleID(std::string const & name);
//! Get the of the particle with the given PDG ID
std::string name(ParticleID id);
/**
* \brief Function to determine if particle is a parton
* @param id PDG ID of particle
* @returns true if the particle is a parton, false otherwise
*/
inline
constexpr bool is_parton(ParticleID id){
return id == pid::gluon || std::abs(id) <= pid::top;
}
/**
* \brief Function to determine if particle is a quark
* @param id PDG ID of particle
* @returns true if the particle is a quark, false otherwise
*/
inline
constexpr bool is_quark(ParticleID id){
return (id >= pid::down && id <= pid::top);
}
/**
* \brief Function to determine if particle is an antiquark
* @param id PDG ID of particle
* @returns true if the particle is an antiquark, false otherwise
*/
inline
constexpr bool is_antiquark(ParticleID id){
return (id <= pid::d_bar && id >= pid::t_bar);
}
/**
* \brief Function to determine if particle is an (anti-)quark
* @param id PDG ID of particle
* @returns true if the particle is a quark or antiquark, false otherwise
*/
inline
constexpr bool is_anyquark(ParticleID id){
return (id && id >= pid::t_bar && id <= pid::t);
}
/**
* \brief function to determine if the particle is a photon, W, Z, or Higgs boson
* @param id PDG ID of particle
* @returns true if the partice is an A,W,Z, or H, false otherwise
*/
inline
constexpr bool is_AWZH_boson(ParticleID id){
return id == pid::Wm || (id >= pid::photon && id <= pid::Higgs);
}
/**
* \brief function to determine if the particle is a photon, W or Z
* @param id PDG ID of particle
* @returns true if the partice is an A,W,Z, or H, false otherwise
*/
inline
constexpr bool is_AWZ_boson(ParticleID id){
return id == pid::Wm || (id >= pid::photon && id <= pid::Wp);
}
/**
* \brief Function to determine if particle is a lepton
* @param id PDG ID of particle
* @returns true if the particle is a lepton, false otherwise
*/
inline
constexpr bool is_lepton(ParticleID id){
return (id >= pid::electron && id <= pid::tau_neutrino);
}
/**
* \brief Function to determine if particle is an antilepton
* @param id PDG ID of particle
* @returns true if the particle is an antilepton, false otherwise
*/
inline
constexpr bool is_antilepton(ParticleID id){
return (id <= pid::positron && id >= pid::nu_tau_bar);
}
/**
* \brief Function to determine if particle is an (anti-)lepton
* @param id PDG ID of particle
* @returns true if the particle is a lepton or antilepton, false otherwise
*/
inline
constexpr bool is_anylepton(ParticleID id){
return ( is_lepton(id) || is_antilepton(id));
}
/**
* \brief Function to determine if particle is a neutrino
* @param id PDG ID of particle
* @returns true if the particle is a neutrino, false otherwise
*/
inline
constexpr bool is_neutrino(ParticleID id){
return (id == pid::nu_e || id == pid::tau_neutrino || id == pid::muon_neutrino);
}
/**
* \brief Function to determine if particle is an antineutrino
* @param id PDG ID of particle
* @returns true if the particle is an antineutrino, false otherwise
*/
inline
constexpr bool is_antineutrino(ParticleID id){
return (id == pid::nu_e_bar || id == pid::nu_tau_bar || id == pid::nu_mu_bar);
}
/**
* \brief Function to determine if particle is an (anti-)neutrino
* @param id PDG ID of particle
* @returns true if the particle is a neutrino or antineutrino, false otherwise
*/
inline
constexpr bool is_anyneutrino(ParticleID id){
return ( is_neutrino(id)||is_antineutrino(id));
}
} // namespace HEJ

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