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PDG Numbering Scheme - Elementary and Miscellaneous Particles - July 14, 2006

Quarks

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$d$ 1 1 1 1 1 1
$u$ 2 2 2 2 2 2
$s$ 3 3 3 3 3 3
$c$ 4 4 4 4 4 4
$b$ 5 5 5 5 5 5
$t$ 6 6 6 6 6 6
$b^{\prime}$ 7 7 7 7 7
$t^{\prime}$ 8 8 8 8 8

Leptons

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$e^-$ 11 11 11 11 11 11
$\nu_e$ 12 12 12 12 12 12
$\mu^-$ 13 13 13 13 13 13
$\nu_\mu$ 14 14 14 14 14 14
$\tau^-$ 15 15 15 15 15 15
$\nu_\tau$ 16 16 16 16 16 16
$\tau^{\prime -}$ 17 17 17 17 17
$\nu_{\tau^{\prime}}$ 18 18 18 18 18

Gauge and Higgs Bosons

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$g$ 21 (9) 21 (9) 21 (9) 21 (9) 21 (9) 21 (9)
$\gamma$ 22 22 22 22 22 22
$Z^0$ 23 23 23 23 23 23
$W^+$ 24 24 24 24 24 24
$h^0 / H_1^0$ 25 25 25 25 25 25
$Z^{\prime} / Z_2^0$ 32 32 32 32 32
$Z^{\prime\prime} / Z_3^0$ 33 33 33 33 33
$W^{\prime} / W_2^+$ 34 34 34 34 34
$H^0 / H_2^0$ 35 35 35 35 35 35
$A^0 / H_3^0$ 36 36 36 36 36 36
$H^+$ 37 37 37 37 37 37

Special and non-standard particles and internal codes

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$G$ (graviton) 39 39 39 39 39
$R^0$ 41 41 41 41 41
$LQ^c$ 42 42 42 42 42
for MC internal use 81-99 81-100 81-100 81-100 81-100 81-100
$reggeon$ 110 110 110 110 110
$pomeron$ 990 990 990 990 990
$odderon$ 9990 9990 9990 9990 9990

NOTE: In this draft we have only provided one generic leptoquark code. More general
classifications according to spin, weak isospin and flavour content would lead
to a host of states, that could be added at a later stage of sophistication.

Diquarks

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$(dd)_1$ 1103 1103 1103 1103 1103 1103
$(ud)_0$ 2101 2101 2101 2101 2101 2101
$(ud)_1$ 2103 2103 2103 2103 2103 2103
$(uu)_1$ 2203 2203 2203 2203 2203 2203
$(sd)_0$ 3101 3101 3101 3101 3101 3101
$(sd)_1$ 3103 3103 3103 3103 3103 3103
$(su)_0$ 3201 3201 3201 3201 3201 3201
$(su)_1$ 3203 3203 3203 3203 3203 3203
$(ss)_1$ 3303 3303 3303 3303 3303
$(cd)_0$ 4101 4101 4101 4101 4101
$(cd)_1$ 4103 4103 4103 4103 4103
$(cu)_0$ 4201 4201 4201 4201 4201
$(cu)_1$ 4203 4203 4203 4203 4203
$(cs)_0$ 4301 4301 4301 4301 4301
$(cs)_1$ 4303 4303 4303 4303 4303
$(cc)_1$ 4403 4403 4403 4403 4403
$(bd)_0$ 5101 5101 5101 5101 5101
$(bd)_1$ 5103 5103 5103 5103 5103
$(bu)_0$ 5201 5201 5201 5201 5201
$(bu)_1$ 5203 5203 5203 5203 5203
$(bs)_0$ 5301 5301 5301 5301 5301
$(bs)_1$ 5303 5303 5303 5303 5303
$(bc)_0$ 5401 5401 5401 5401 5401
$(bc)_1$ 5403 5403 5403 5403 5403
$(bb)_1$ 5503 5503 5503 5503 5503

R-Hadrons

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$R^0_{\tilde gg}$ 1000993
$R^0_{\tilde gd\bar d}$ 1009113
$R^+_{\tilde gu\bar d}$ 1009213
$R^0_{\tilde gu\bar u}$ 1009223
$R^0_{\tilde gd\bar s}$ 1009313
$R^+_{\tilde gu\bar s}$ 1009323
$R^0_{\tilde gs\bar s}$ 1009333
$R^-_{\tilde gddd}$ 1091114
$R^0_{\tilde gudd}$ 1092114
$R^+_{\tilde guud}$ 1092214
$R^{++}_{\tilde guuu}$ 1092224
$R^-_{\tilde gsdd}$ 1093114
$R^0_{\tilde gsud}$ 1093214
$R^+_{\tilde gsuu}$ 1093224
$R^-_{\tilde gssd}$ 1093314
$R^0_{\tilde gssu}$ 1093324
$R^-_{\tilde gsss}$ 1093334
$R^+_{\tilde t_1\bar d}$ 1000612
$R^0_{\tilde t_1\bar u}$ 1000622
$R^+_{\tilde t_1\bar s}$ 1000632
$R^0_{\tilde t_1\bar c}$ 1000642
$R^+_{\tilde t_1\bar b}$ 1000652
$R^0_{\tilde t_1dd_1}$ 1006113
$R^+_{\tilde t_1ud_0}$ 1006211
$R^+_{\tilde t_1ud_1}$ 1006213
$R^{++}_{\tilde t_1uu_1}$ 1006223
$R^0_{\tilde t_1sd_0}$ 1006311
$R^0_{\tilde t_1sd_1}$ 1006313
$R^+_{\tilde t_1su_0}$ 1006321
$R^+_{\tilde t_1su_1}$ 1006323
$R^0_{\tilde t_1ss_1}$ 1006333

Supersymmetric Particles

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$\tilde d_L$ 1000001 1000001 1000001 1000001 1000001
$\tilde u_L$ 1000002 1000002 1000002 1000002 1000002
$\tilde s_L$ 1000003 1000003 1000003 1000003 1000003
$\tilde c_L$ 1000004 1000004 1000004 1000004 1000004
$\tilde b_1$ 1000005 1000005 1000005 1000005 1000005
$\tilde t_1$ 1000006 1000006 1000006 1000006 1000006
$\tilde e_L^-$ 1000011 1000011 1000011 1000011 1000011
$\tilde \nu_{e L}$ 1000012 1000012 1000012 1000012 1000012
$\tilde \mu_L^-$ 1000013 1000013 1000013 1000013 1000013
$\tilde \nu_{\mu L}$ 1000014 1000014 1000014 1000014 1000014
$\tilde \tau_1^-$ 1000015 1000015 1000015 1000015 1000015
$\tilde \nu_{\tau L}$ 1000016 1000016 1000016 1000016 1000016
$\tilde d_R$ 2000001 2000001 2000001 2000001 2000001
$\tilde u_R$ 2000002 2000002 2000002 2000002 2000002
$\tilde s_R$ 2000003 2000003 2000003 2000003 2000003
$\tilde c_R$ 2000004 2000004 2000004 2000004 2000004
$\tilde b_2$ 2000005 2000005 2000005 2000005 2000005
$\tilde t_2$ 2000006 2000006 2000006 2000006 2000006
$\tilde e_R^-$ 2000011 2000011 2000011 2000011 2000011
$\tilde \nu_{e R}$ 2000012 2000012 2000012 2000012 2000012
$\tilde \mu_R^-$ 2000013 2000013 2000013 2000013 2000013
$\tilde \nu_{\mu R}$ 2000014 2000014 2000014 2000014 2000014
$\tilde \tau_2^-$ 2000015 2000015 2000015 2000015 2000015
$\tilde \nu_{\tau R}$ 2000016 2000016 2000016 2000016 2000016
$\tilde g$ 1000021 1000021 1000021 1000021 1000021
$\tilde \chi_1^0$ 1000022 1000022 1000022 1000022 1000022
$\tilde \chi_2^0$ 1000023 1000023 1000023 1000023 1000023
$\tilde \chi_1^+$ 1000024 1000024 1000024 1000024 1000024
$\tilde \chi_3^0$ 1000025 1000025 1000025 1000025 1000025
$\tilde \chi_4^0$ 1000035 1000035 1000035 1000035 1000035
$\tilde \chi_2^+$ 1000037 1000037 1000037 1000037 1000037
$\tilde G$ 1000039 1000039 1000039 1000039 1000039

NOTE 1: Particulary in the third generation, the left and right sfermion states may
mix. The lighter mixed state is given the smaller number.

NOTE 2: The physical $\tilde \chi$ states are admixtures of the pure $\tilde \gamma$,
$\tilde Z^0$, $\tilde W^+$, $\tilde H_1^0$, $\tilde H_2^0$, and $\tilde H^+$
states.

Technicolor and Excited Particles

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$\pi_{tech}^0$ 3000111 3000111 3000111 3000111 3000111
$\pi_{tech}^+$ 3000211 3000211 3000211 3000211 3000211
$\pi^{\prime0}_{tech}$ 3000221 3000221 3000221
$\eta_{tech}^0$ 3000221 3000221 3100221 3100221 3100221
$\rho_{tech}^0$ 3000113 3000113 3000113 3000113 3000113
$\rho_{tech}^+$ 3000213 3000213 3000213 3000213 3000213
$\omega_{tech}^0$ 3000223 3000223 3000223 3000223 3000223
$V_8$ 3100021 3100021 3100021
$\pi_{tech,22}^1$ 3060111 3060111 3060111
$\pi_{tech,22}^8$ 3160111 3160111 3160111
$\rho_{tech,11}$ 3130113 3130113 3130113
$\rho_{tech,12}$ 3140113 3140113 3140113
$\rho_{tech,21}$ 3150113 3150113 3150113
$\rho_{tech,22}$ 3160113 3160113 3160113
$d^*$ 4000001 4000001 4000001 4000001 4000001
$u^*$ 4000002 4000002 4000002 4000002 4000002
$e^*$ 4000011 4000011 4000011 4000011 4000011
$\nu_e^*$ 4000012 4000012 4000012 4000012 4000012

Other Exotics

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$\nu_{Re}$ 9900012
$\nu_{R\mu}$ 9900014
$\nu_{R\tau}$ 9900016
$Z_R^0$ 9900023
$W_R^+$ 9900024
$H_L^{++}$ 9900041
$H_R^{++}$ 9900042

NOTE: These are examples from existing Monte Carlo tasks. They are formulated
for use by Herwig and/or Pythia.

Miscellaneous Particles

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$\rho_{diffr}^0$ 9910113 9910113 9910113
$\pi_{diffr}^+$ 9910211 9910211 9910211
$\omega_{diffr}^0$ 9910223 9910223 9910223
$\phi_{diffr}^0$ 9910333 9910333 9910333
$\psi_{diffr}^0$ 9910443 9910443 9910443
$n_{diffr}^0$ 9912112 9912112 9912112
$p_{diffr}^+$ 9912212 9912212 9912212
$remnant$ $photon$ 9920022 9920022 9920022
$remnant$ $nucleon$ 9922212 9922212 9922212

NOTE: These are examples from existing Monte Carlo tasks. They are formulated
for use by Herwig and/or Pythia.

Pentaquarks

Particle 1996 PDG 1998 PDG 2000 PDG 2002 PDG 2004 PDG 2006 PDG
$\Theta^+$ 9221132 9221132
$\Phi^{--}$ 9331122 9331122