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On the possibility of baryon acoustic oscillation measurements at redshift <i>z</i> &gt; 7.6 with the Roman space telescope
ABSTRACT The Nancy Grace Roman Space Telescope (RST), with its field of view and high sensitivity will make surveys of cosmological large-scale structure possible at high redshifts. We investigate the possibility of detecting baryon acoustic oscillations (BAO) at redshifts z &gt; 7.6 for use as a standard ruler. We use …