Lasting recombination and cosmic background radiation spectrum
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1976-10-01
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Aldrovandi, R.
D'Olival, J. B.S.
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The thermal decoupling during recombination and the endurance of this process can significantly deform the black-body background radiation spectrum even in the absence of heating sources. Observational data contradicts a flat standard universe but agrees with a low-density model and with a flat matter-antimatter symmetric universe. Evidence is presented against the presumption that matter-antimatter annibilation should necessarily produce large distortions. © 1976 D. Reidel Publishing Company.
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Astrophysics and Space Science, v. 44, n. 2, p. 471-477, 1976.