Possible Clues to the Early History of the Solar System

Details Possible Clues to the Early History of the Solar System Possible Clues to the Early History of the Solar System

Apr 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970natur.226..338m&link_type=abstract

Nature, Volume 226, Issue 5243, pp. 338-339 (1970).

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Scientific paper

ONE problem in connexion with the nucleosynthesis of the light elements, D, Li, Be and B, has been to decide whether preplanetary matter at an early stage of the solar system was intensely irradiated by solar particles. First put forward by Hayakawa1 and Fowler, Greenstein and Hoyle2, and later modified by others3-5, this notion has motivated searches for anomalies in the isotopic abundances of several elements in meteorites6-16. Within experimental accuracies, however, these isotopic abundances were identical with those of terrestrial matter except for lithium11,13,16, and because of recent theoretical considerations the tendency is to abandon the irradiation mechanisms of Fowler, Greenstein and Hoyle17,18. But it seems to us worthwhile to continue the study, on one hand by improving the experimental accuracy, and on the other by looking for abundance anomalies caused by other types of nuclear reactions.

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