${\nu }_e$

$<0.086\text{eV}$

${\nu }_{\mu }$

$<170\text{keV}$

${\nu }_{\tau }$

$<18\text{MeV}$

e^±

511 keV

µ^±

105.7 MeV

τ^±

1.78 GeV

d

4.7 MeV

s

96 MeV

b

4.2 GeV

u

2.2 MeV

c

1.28 GeV

t

173 GeV

γ

0 eV

γ_µ

-

γ_τ

-

g

<2 meV

g_µ

-

g_τ

-

W^±

80 GeV

$W_{\mu }^{\pm }$

-

$W_{\tau }^{\pm }$

$>4\text{TeV}$

Z

91.2 GeV

Z_µ

-

Z_τ

-