Parameters of accelerated-particle irradiation at various stages of the evolution of solar-system matter

Details Parameters of accelerated-particle irradiation at various stages of the evolution of solar-system matter Parameters of accelerated-particle irradiation at various stages of the evolution of solar-system matter

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983izssr..47.1797l&link_type=abstract

(Seminar po Solnechnoi Aktivnosti i Solnechnym Kosmicheskim Lucham, Leningrad, USSR, Nov. 1982) Akademiia Nauk SSSR, Izvestiia,

Physics

Evolution (Development), Matter (Physics), Particle Acceleration, Proton Irradiation, Solar System, Flux (Rate), Isotopic Enrichment, Nuclear Fusion, Spectral Energy Distribution, Stellar Mass Ejection, Supernovae

Scientific paper

Irradiation parameters, i.e., the integral proton flux, the cutoff energy of the energy spectrum, and the alpha/p ratio, were investigated for the three principal stages of the evolution of solar-system matter: (1) unitary galactic nucleosynthesis, (2) supernova explosion, and (3) the expanding supernova-shell. Significant differences in the aforementioned parameters were found during these three stages, which is a consequence of different physical conditions of the acceleration of charged particles during the second and third stages. In addition, it is shown that the investigation of the effects of nuclear reactions with accelerated particles in solar-system objects has made it possible to determine the contribution of these reactions to the nucleosynthesis of various isotopes, to explain the nature of certain isotope anomalies in meteorites, and to determine the acceleration parameters of charged particles during flares of supernovae of different masses and at different stages of expanding supernova-shells.

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