$$\lim_{\omega \to \infty } \, \frac{\left| C\right| \text{Si}\left(\frac{\omega }{2}\right) \sqrt{1-\cos (\omega )} \csc \left(\frac{\omega }{2}\right)}{\sqrt{\pi } \log (\omega )}$$
$\text{Si}$ is SineIntegral
I'd like to know if its possible to evaluate this limit.