classical electron radius

(redirected from Thomson scattering length)

classical electron radius

[′klas·ə·kəl i′lek ‚trän ′rād·ē·əs]
(electromagnetism)
The quantity expressed as e 2/ mec 2, where e is the electron's charge in electrostatic units, me its mass, and c the speed of light; equal to approximately 2.82 × 10-13 centimeter.