Abstract
The abundances of light elements (deuterium, helium and lithium) are calculated in unconventional cosmologies in which these elements are produced by interaction of fast α-particles ejected by massive pregalactic stars with a purely hydrogenous cosmological substrate. The number density and energetics of such stars needed for suitable production of light elements are estimated. It is shown that the models always lead to overproduction of lithium. The intensity of ultraviolet, X-ray, and γ-ray emission caused by explosions of pregalactic massive stars is calculated. The distortions of cosmic background radiation by Compton losses of electrons heated by explosive stars are also calculated.
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Shchekinov, Y.A., Vainer, B.V. The production of light elements in unconventional cosmologies with VMOs. Astrophys Space Sci 123, 103–115 (1986). https://doi.org/10.1007/BF00649126
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DOI: https://doi.org/10.1007/BF00649126