Hydrogen absorption lines in the cosmic microwave background spectrum
- 1 August 2004
- journal article
- Published by Pleiades Publishing Ltd in Astronomy Letters
- Vol. 30 (8) , 509-513
- https://doi.org/10.1134/1.1784491
Abstract
We have calculated the intensities of the subordinate hydrogen lines formed during the recombination epoch at redshifts 800≲z≲1600. We show that an allowance for the angular momentum splitting of hydrogen atomic energy levels and the dipole transition selection rules can reveal absorption features in the cosmic microwave background recombination spectrum in the submillimeter wavelength range.Keywords
This publication has 1 reference indexed in Scilit:
- Beyond Cosmological ParametersAIP Conference Proceedings, 2003