Neutron-antineutron oscillations and primordial nucleosynthesis.

Details Neutron-antineutron oscillations and primordial nucleosynthesis. Neutron-antineutron oscillations and primordial nucleosynthesis.

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989el......8..703h&link_type=abstract

Europhys. Lett., Vol. 8, No. 7, p. 703 - 708

Mathematics

Logic

1

Cosmology: Nucleosynthesis

Scientific paper

While neutron-antineutron oscillations are possible in many nonstandard theories with intermediate mass scales the estimated oscillation periods vary by many orders of magnitude. The author considers the effects of ambient neutrons transforming into antineutrons at cosmological times between 1 s and 106s age of the universe when the light nuclei are synthesized. The calculations show that there is no influence on the element abundances if τ ≥ 105s. No constraints on a primordial magnetic field can be derived for so large oscillation periods.

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