Thermal and Resonant Emission of Dark Ages Halos in the Rotational Lines of HeH${}^{+}$

Yu. Kulinich, B. Novosyadlyj, V. Shulga +1

We analyse the thermal emission and resonant scattering of CMB radiation from the dark ages halos in the rotational lines of the helium hydride ion (HeH${}^{+}$), one of the first ch…