Physics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.535..655g&link_type=abstract
In: Solar variability as an input to the Earth's environment. International Solar Cycle Studies (ISCS) Symposium, 23 - 28 June 2
Physics
1
Solar Flares, Gamma-Ray Lines
Scientific paper
We continue to study the formation of 2.223 MeV gamma-ray line of solar flare neutron captures on hydrogen in the photosphere and lower layers. Applying the results of calculations to the solar flare of 16 December 1988 (exactly, to its third, last gamma-ray peak) enables us to deduce the enhanced intensity in the whole thickness of the photosphere at the decay phase of this burst. We also conclude that the charged particle spectrum evolves during the decay phase of appropriate acceleration process. A spectral index αT in the Bessel representation changes from 0.005 to 0.1, with the average of 0.03 for the best approximation of the entire peak.
Gan Wei
Kuzhevskij Boris M.
Miroshnichenko Leonty I.
Troitskaja E. V.
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