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astro-ph.CO2024★ 4 cited
Global signal in the redshifted hydrogen 21-cm line from the Dark Ages and Cosmic Dawn: Dependence on the nature of dark matter and modeling of first light
Bohdan Novosyadlyj, Yurii Kulinich, Danylo Koval
We estimate the global signal in the redshifted hyperfine structure line 21 cm of hydrogen atoms formed during the Dark Ages and Cosmic Dawn epochs. The evolution of the brightness…
astro-ph.CO2024★ 5 cited
Signal in the Hyperfine Structure Line of the Ground State of Atomic Hydrogen from the Dark Ages as a Cosmological Test
Bohdan Novosyadlyj, Yurii Kulinich, Olexandr Konovalenko
We analyze the formation of the signal in the 21 cm hydrogen line of the Dark Ages () in different cosmological models and discuss the possibility of its detection b…