I write, with head firmly implanted in a posterior orifice: >No. Protons and neutrons are hadrons. Hadron comes from the (Greek?) word >for "heavy", lepton from "light". The distinction you're trying to make "Baryon" comes from the Greek for "heavy". "Hadron" is a blanket term covering both baryons (like protons and neutrons), and mesons. Now back to your regularly scheduled cryptography. -- Will