Coulomb losses and the nuclear composition of the solar flare accelerated particles |
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| Authors: | A A Korchak |
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| Institution: | (1) Institute of Terrestrial Magnetism, Ionosphere and Radio-Wave Propagation of the U.S.S.R. Academy of Sciences, Moscow, U.S.S.R. |
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| Abstract: | The influence of Coulomb collisions in two-component plasma on the nuclear composition and the charge-state of accelerated particles is investigated. The main characteristics are the location and value of the two loss maxima. It is shown that the maximum of energy losses on the electron component of plasma for flares is a high energy threshold which prevents the penetration of a large particle flux into the range  10 MeV nucl–1. The low-energy range up to the maximum is considered in detail. At preliminary or initial stage of acceleration the nuclear composition of accelerated particles is strongly dependent on their energy losses on the proton component of plasma which prevails at low energies. The conditions under which the equilibrium charge is reached are investigated. |
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