Elementary particlesElementary particles refer to particles that cannot be easil... with a baryon number = 1, this means: neutrons, protons, hyperonsGroup of short-lived elementary particles, the mass of which.... The name (barys, Greek for “heavy”) is derived from the relatively large mass of these particles compared to other elementary particlesElementary particles refer to particles that cannot be easil... (Also see ‘leptons’ , ‘mesons’ and ‘elementary particle’).