Comparison of the Lya Flux Power Spectrum to observed data :

\[\beta_{\mathrm{He}} = 0.46\] \[\beta_{\mathrm{H}} = 0.78\] \[\Delta z_{\mathrm{He}} = 0.28\] \[\Delta z_{\mathrm{H}} = 0.04\]

Comparison to BOSS

Comparison to Boera

Comparison to Irsic