PDG_codes.hh

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#pragma once
 
#include <string>
 
namespace HEJ {
 
  namespace pid {
    enum ParticleID{
      d = 1,                          
      down = d,                       
      u = 2,                          
      up = u,                         
      s = 3,                          
      strange = s,                    
      c = 4,                          
      charm = c,                      
      b = 5,                          
      bottom = b,                     
      t = 6,                          
      top = t,                        
      e = 11,                         
      electron = e,                   
      nu_e = 12,                      
      electron_neutrino = nu_e,       
      mu = 13,                        
      muon = mu,                      
      nu_mu = 14,                     
      muon_neutrino = nu_mu,          
      tau = 15,                       
      nu_tau = 16,                    
      tau_neutrino = nu_tau,          
      d_bar = -d,                     
      u_bar = -u,                     
      s_bar = -s,                     
      c_bar = -c,                     
      b_bar = -b,                     
      t_bar = -t,                     
      e_bar = -e,                     
      positron = e_bar,               
      nu_e_bar = -nu_e,               
      mu_bar = -mu,                   
      nu_mu_bar = -nu_mu,             
      tau_bar = -tau,                 
      nu_tau_bar = -nu_tau,           
      gluon = 21,                     
      g = gluon,                      
      photon = 22,                    
      gamma = photon,                 
      Z = 23,                         
      Wp = 24,                        
      Wm = -Wp,                        
      h = 25,                         
      Higgs = h,                      
      higgs = h,                      
      p = 2212,                       
      proton = p,                     
      p_bar = -p,                     
    };
 
  }
 
  using ParticleID = pid::ParticleID;
 
  ParticleID to_ParticleID(std::string const & name);
 
  inline
  constexpr bool is_parton(ParticleID p){
    return p == pid::gluon || std::abs(p) <= pid::top;
  }
 
  inline
  constexpr bool is_AWZH_boson(ParticleID id){
    return id == pid::Wm || (id >= pid::photon && id <= pid::Higgs);
  }
 
}