Estimating the anomalously large fluences of solar flare protons with tritium data from 1900 to 1952

Details Estimating the anomalously large fluences of solar flare protons with tritium data from 1900 to 1952 Estimating the anomalously large fluences of solar flare protons with tritium data from 1900 to 1952

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....9211179n&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 92, Oct. 1, 1987, p. 11179-11182.

Physics

Solar Flares, Solar Protons, Solar Terrestrial Interactions, Tritium, Galactic Cosmic Rays, Land Ice, Monte Carlo Method, Stratosphere, Troposphere

Scientific paper

An analysis is presented for estimating the "anomalously large" fluences from solar flare protons by measuring tritium deposited between 1900 and 1952 in a high-latitude ice core. Most of the tritium from cosmic rays and solar flare protons comes by way of indirect (p, n) and (n, t) reactions rather than from direct (p, t) reactions. Therefore the neutron spectrum produced by protons of the August 1972 flare is estimated first. Then the calculated neutron spectrum is compared with that known from galactic cosmic rays. Finally, the tritium produced by (n, t) reactions is compared for the solar protons and cosmic rays.

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