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Cosmological recombination: feedback of helium photons and its effect on the recombination spectrum
J. Chluba, R. A. Sunyaev
In this paper we consider the re-processing of high frequency photons emitted by HeII and HeI during the epoch of cosmological recombination by HeI and HI. We demonstrate that, in…
Signals From the Epoch of Cosmological Recombination
R. A. Sunyaev, J. Chluba
The physical ingredients to describe the epoch of cosmological recombination are amazingly simple and well-understood. This fact allows us to take into account a very large variety…
Galaxy Clusters as mirrors of the distant Universe. Implications for the kSZ and ISW effects
Carlos Hernandez-Monteagudo, Rashid A. Sunyaev
It is well known that Thomson scattering of CMB photons in galaxy clusters introduces new anisotropies in the CMB radiation field, but however little attention is payed to the frac…
Cosmological Hydrogen Recombination: influence of resonance and electron scattering
J. Chluba, R. A. Sunyaev
In this paper we consider the effects of resonance and electron scattering on the escape of Lyman alpha photons during cosmological hydrogen recombination. We pay particular attent…