Abstract
view Abstract Citations (1) References (25) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Distortions in the cosmic background radiation and big-bang He-4 nucleosynthesis Mathews, G. J. ; Alhassid, Y. ; Fuller, G. M. Abstract The observed distortion of the cosmic background radiation is analyzed in the framework of information theory to derive a simple form of the photon occupation probability. Taking this distribution function as indicative of the Lagrange parameters which might characterize the era of nucleosynthesis during the big bang, and assuming equilibrium among the constituents present, it is found that the primordial He-4 abundance may be reduced by as much as 15% from the standard big-bang prediction. Publication: The Astrophysical Journal Pub Date: June 1981 DOI: 10.1086/158932 Bibcode: 1981ApJ...246..361M Keywords: Background Radiation; Big Bang Cosmology; Cosmic Rays; Helium Isotopes; Information Theory; Nuclear Fusion; Relic Radiation; Abundance; Distortion; Distribution Functions; Photons; Thermal Radiation; Astrophysics full text sources ADS |
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