Nonequilibrium processes and primordial nucleosynthesis

Details Nonequilibrium processes and primordial nucleosynthesis Nonequilibrium processes and primordial nucleosynthesis

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nciml..41...65r&link_type=abstract

Nuovo Cimento, Lettere, Serie 2, vol. 41, Sept. 15, 1984, p. 65-68. Research supported by the Science and Engineering Research C

Statistics

Computation

1

Abundance, Big Bang Cosmology, Elementary Particle Interactions, Neutrinos, Nonequilibrium Thermodynamics, Nuclear Fusion, Anisotropy, Computational Astrophysics, Flavor (Particle Physics), Helium

Scientific paper

The influence of nonequilibrium processes involving electron neutrinos on the production of He by primordial nucleosynthesis in anisotropic cosmologies is investigated theoretically. The nucleosynthesis code of Rothman and Matzner (1982) is extended to account for several interacting flavors of neutrinos and the effect of neutrino blueshift in computing cosmic nucleosynthesis for a number of anisotropic models. Sample results are presented in a graph, and it is found that He abundance tends to be increased by nonequilibrium processes, in contrast to the findings of Juskiewicz et al. (1983).

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