The Six Quarks: their charges and masses
(u)
(d)
(c)
(s)
(t)
(b)
| Generation | Quark | Charge | Mass (GeV/c2) |
|---|---|---|---|
| 1st generation | up
(u)
|
+2/3 | 0.33 |
| down
(d)
|
-1/3 | ~ 0.33 | |
| 2nd generation | charm
(c)
|
+2/3 | 1.58 |
| strange
(s)
|
-1/3 | 0.47 | |
| 3rd generation | top
(t)
|
+2/3 | 180 |
| bottom
(b)
|
-1/3 | 4.58 |
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