Particle Data Group
from the 2009 Review of Particle Physics.
Please use this CITATION: C. Amsler et al. (Particle Data Group), Physics Letters B667, 1 (2008) and
2009 partial update for the 2010 edition
Cut-off date for this update was January 15, 2009.

GAUGE AND HIGGS BOSONS (gamma, g, W, Z, ...)
LEPTONS (e, mu, tau, neutrinos, heavy leptons ...)
QUARKS (u, d, s, c, b, t, ...)
MESONS (pi, K, D, B, psi, Upsilon, ...)
BARYONS (p, n, Lambda_b, Xi, ...)
OTHER SEARCHES (SUSY, Compositeness, ...)