The ERA of superheavy-particle dominance and big bang nucleosynthesis

Details The ERA of superheavy-particle dominance and big bang nucleosynthesis The ERA of superheavy-particle dominance and big bang nucleosynthesis

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982azh....59...15p&link_type=abstract

(Astronomicheskii Zhurnal, vol. 59, Jan.-Feb. 1982, p. 15-19.) Soviet Astronomy, vol. 26, Jan.-Feb. 1982, p. 9-12. Translation.

Astronomy and Astrophysics

Astronomy

2

Big Bang Cosmology, Elementary Particles, Helium, Nuclear Fusion, Particle Mass, Astronomical Spectroscopy, Background Radiation, Gauge Theory, Particle Theory, Spectrum Analysis

Scientific paper

The observed primordial He-4 abundance imposes astrophysical constraints on the possible departures from radiation dominance in the big bang universe during the neutron hardening era (at epoch t = 1 sec). Limits are obtained which, along with the data on the spectrum of the cosmic background radiation, practically rule out any stages of superheavy stable-particle dominance in the era 1-10 to the 10th sec, thereby setting restrictions on current elementary-particle theories

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