The adiabatic cooling of the protons in the solar wind: The case where the interplanetary magnetic-field is of spiral form |
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| Authors: | M Eyni A S Kaufman |
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| Institution: | 1. Racah Institute of Physics, The Hebrew University of Jerusalem, Israel
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| Abstract: | This is a sequel to the paper by Eyni and Kaufman (1971) in which the coordinate systems with respect to the magnetic direction and solar radial-direction were assumed coincident. In the present account, it is shown that the theoretical expression for the proton cooling derived in that paper is still applicable in the case of the spiral magnetic-field provided the appropriate transformation of kinetic temperature from the magnetic direction to the radial direction as derived here is used. A detailed comparison is made between the present model and other models based on the spiral form of the magnetic field; the agreement is satisfactory. |
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