${\displaystyle {\frac {d\sigma }{d\Omega ))=\left({\frac {\alpha }{2\pi ))\right)^{2}{\frac ((\lambda _{\text{e))}^{2)){2))\left({\frac {\lambda }{\lambda '))\right)^{2}\left[{\frac {\lambda }{\lambda '))+{\frac {\lambda '}{\lambda ))-\sin ^{2}\theta \right]}$

${\displaystyle \alpha ={\frac {e^{2)){4\pi \varepsilon _{0}\hbar c)),~\lambda _{\text{e))={\frac {h}{m_{\text{e))c))}$

${\displaystyle \lambda '=\lambda +\lambda _{\text{e))(1-\cos \theta )}$

${\displaystyle {\frac {d\sigma }{d\Omega ))=\left({\frac {\alpha }{2\pi ))\right)^{2}{\frac ((\lambda _{\text{e))}^{2)){2))(1+\cos ^{2}\theta )}$

${\displaystyle r_{\text{e))={\frac {\alpha \lambda _{\text{e))}{2\pi ))}$

${\displaystyle {\frac {d\sigma }{d\Omega ))={\frac ((r_{\text{e))}^{2)){2))(1+\cos ^{2}\theta )}$