[ام فراس]

Left handed fermions in the Standard Model
Fermion (Left-handed) Symbol Electric charge
Weak charge* Weak isospin Hypercharge
Color charge*
Mass**

Generation 1
Electron
e -1 2 -1/2 -1/2 1 0.511 MeV
Electron neutrino
νe 0 2 +1/2 -1/2 1 < 50 eV
Positron
ec 1 1 0 1 1 0.511 MeV
Electron antineutrino

0 1 0 0 1 < 50 eV
Up quark
u +2/3 2 +1/2 +1/6 3 ~5 MeV ***
Down quark
d -1/3 2 -1/2 +1/6 3 ~10 MeV ***
Anti-up antiquark
uc -2/3 1 0 -2/3
~5 MeV ***
Anti-down antiquark
dc +1/3 1 0 +1/3
~10 MeV
Generation 2
Muon
μ -1 2 -1/2 -1/2 1 105.6 MeV
Muon neutrino
νμ 0 2 +1/2 -1/2 1 < 0.5 MeV
Anti-Muon
μc 1 1 0 1 1 105.6 MeV
Muon antineutrino

0 1 0 0 1 < 0.5 MeV
Charm quark
c +2/3 2 +1/2 +1/6 3 ~1.5 GeV
Strange quark
s -1/3 2 -1/2 +1/6 3 ~100 MeV
Anti-charm antiquark
cc -2/3 1 0 -2/3
~1.5 GeV
Anti-strange antiquark
sc +1/3 1 0 +1/3
~100 MeV
Generation 3
Tau
τ -1 2 -1/2 -1/2 1 1.784 GeV
Tau neutrino
ντ 0 2 +1/2 -1/2 1 < 70 MeV
Anti-Tau
τc 1 1 0 1 1 1.784 GeV
Tau antineutrino

0 1 0 0 1 < 70 MeV
Top quark
t +2/3 2 +1/2 +1/6 3 178 GeV
Bottom quark
b -1/3 2 -1/2 +1/6 3 ~4.7 GeV
Anti-top antiquark
tc -2/3 1 0 -2/3
178 GeV
Anti-bottom antiquark
bc +1/3 1 0 +1/3
~4.7 GeV