Reduced Compton Wavelength of Electron

Theorem
The Compton wavelength of the electron is:

Proof
By definition, the reduced Compton wavelength $\lambdabar_\E$ of an electron is given as:
 * $\lambdabar_\E = \dfrac {\lambda_\E} {2 \pi}$

where $\lambda_\E$ denotes the Compton wavelength of the electron.

Then we have: