Closing in on the sources of cosmic reionization: first results from the GLASS-JWST program

S. Mascia, L. Pentericci, A. Calabro' +29

The escape fraction of Lyman-continuum (LyC) photons ($f_{esc}$) is a key parameter for determining the sources of cosmic reionization at $z\ge 6$. At these redshifts, owing to th…