Rest mass energy wavelength

Rest mass

Charge

(Elastic recall tension)

Electron or Positron

2.426310215E−12 m

9.10938188E−31 kg

− or +

1.602176462E−19 C

Up quark state—Constrained positron

1.078360096E−12 m

2.049610923E−30 kg

+2/3

1.068117641E−19 C

Down quark state—Constrained electron

2.69590021E−13 m

8.198443693E−30 kg

−1/3

5.340588207E−20 C