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astro-ph.HE2026
MESA-QUEST: Tracing the formation of direct collapse black hole seeds via quasi-stars
Andrew D. Santarelli, Claire B. Campbell, Ebraheem Farag +3
The origin of the first supermassive black holes (SMBHs) observed at redshifts remains one of the most challenging open questions in astrophysics. Their rapid emergence s…
astro-ph.HE2024
Photons from neutrinos: the gamma ray echo of a supernova neutrino burst
Cecilia Lunardini, Joshua Loeffler, Mainak Mukhopadhyay +3
When a star undergoes core collapse, a vast amount of energy is released in a ~10 s long burst of neutrinos of all species. Inverse beta decay in the star's hydrogen envelope cause…