astro-ph 08 Apr 2022 8 Apr 2022 John Wise Leave a comment (abs, pdf) Stefanon et al., High Equivalent Width of H{\alpha}+[N II] Emission in z~8 Lyman-break Galaxies from IRAC 5.8{\mu}m Observations: Evidence for Efficient Lyman-continuum Photon production in the Epoch of Re-ionization