constant | symbol | value [cgs] [2] |
| charge | q | −4.8032 × 10−10 |
| mass | m | 9.1094 × 10−28 |
| classical radius | R | 2.82 × 10−13 |
| spin angular momentum | S | 9.1329 × 10−28 |
| magnetic dipole moment | M | −9.284764 × 10−21 |
| Planck’s constant | h | 6.6261 × 10−27 |
| speed of light | c | 2.99792458 × 1010 |