Evading the CMB $\mu$-distortion bound on Supermassive Primordial Black Hole seeds with Non-Gaussian tails

Sanket Dave, Sheng-Feng Yan, Amara Ilyas +1

Supermassive black holes (SMBHs) powering quasars at $z\gtrsim 6$ are difficult to grow from stellar mass remnants, motivating seeds from primordial black holes (PBHs) with masses…