Constraining Reionization with the $z\sim 5-6$ Lyman-$\alpha$ Forest Power Spectrum: the Outlook after Planck

J. Oñorbe, J. F. Hennawi, Z. Lukić +1

The latest measurements of CMB electron scattering optical depth reported by Planck significantly reduces the allowed space of HI reionization models, pointing toward a later endin…