Can population III stars generate primordial helium?

Details Can population III stars generate primordial helium? Can population III stars generate primordial helium?

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.304..514b&link_type=abstract

Nature (ISSN 0028-0836), vol. 304, Aug. 11, 1983, p. 514, 515.

Mathematics

Logic

18

Astronomical Models, Cosmology, Helium, Stellar Evolution, Stellar Mass Ejection, Recombination Reactions, Stellar Envelopes, Synthesis (Chemistry)

Scientific paper

It is pointed out that only stars with masses in excess of approximately 200 solar masses can generate a cosmologically significant amount of helium without overproducing either metals or radiation. Very massive objects of this type would also leave a large number of black hole remnants. Recent stellar evolution calculations reveal that the helium-rich envelope of very massive objects could undergo explosive ejection. A description is given of a viable model of primordial helium synthesis which can be constructed after recombination, providing heavy elements are not dredged up and ejected at the same time.

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