Proton-Neutron Concentration Ratio in the Expanding Universe at the Stages preceding the Formation of the Elements
1950; Oxford University Press; Volume: 5; Issue: 2 Linguagem: Inglês
10.1143/ptp/5.2.224
ISSN1347-4081
Autores Tópico(s)Earthquake Detection and Analysis
ResumoIn the theory of the origin of the elements by Gamow, Alpher, and colaborators 1 ), primordial matter (ylem) of the universe, which afterwards has been cooled down owing to the expansion of the universe and has formed the elements through nuclear reactions such as radiative capture and beta-decays, is assumed to consist solely of neutrons.At early stages, however, of high temperatures (kT?:,mc, m being the electron m:lss) in the expanding universe before the formation of the elements, induced beta-processes caused by energetic electrons, positrons, neutrinos and antineutrinos, in addition to the natural decay of neutrons, such as
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