Quarks | Leptons | ||
---|---|---|---|
up | (u) | electron | (e-) |
down | (d) | electron-neutrino | ( n e) |
strange | (s) | muon | ( m -) |
charm | (c) | muon-neutrino | ( n m) |
bottom | (b) | tau | ( t -) |
top | (t) | tau-neutrino | (n t) |
NB: The letters in brackets are the standard abreviations for the particle names.
? Why does the proton or the neutron not appear in the table?
ANSWER