Relation between superheating and superacceleration of helium in the solar wind |
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| Authors: | M M Neugebauer W C Feldman |
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| Institution: | (1) Jet Propulsion Laboratory, California Institute of Technology, 91103 Pasadena, Calif., U.S.A.;(2) Los Alamos Scientific Laboratory, 87545 Los Alamos, N.M., U.S.A. |
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| Abstract: | Solar-wind data obtained by the OGO-5 and IMP-6-8 Earth satellites show a positive correlation between the ratio of helium to hydrogen temperatures, T
 /T
p, and the velocity difference between the two ions, v
- v
p
. Although this result disagrees with the Prognoz-1 results reported earlier in this journal, it is consistent with the expected control by Coulomb collisions when the solar-wind density is high. |
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