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Detailed Reference Information |
Paranicas, C.P., Mauk, B.H. and Krimigis, S.M. (1991). Pressure anisotropy and radial stress balance in the Jovian neutral sheet. Journal of Geophysical Research 96: doi: 10.1029/91JA01647. issn: 0148-0227. |
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By examining particle and magnetic field data from the Voyager 1 and 2 spacecraft, we have found signatures indicating that the (>28 keV) particle pressure parallel to the magnetic field is greater than the pressure perpendicular to the field within the nightside neutral sheet (three nightside neutral sheet crossings, with favorable experimental conditions, were used). By incorporating the pressure anisotropy into the calculation of radial forces within the nightside neutral sheet, we find that (1) force balance is approximately achieved and (2) the anisotropy force term provides the largest contribution of the other particle forces considered (pressure gradients and the corotation centrifugal force). With regard to the problem of understanding the balance of radial forces within the dayside neutral sheet (McNutt, 1984; Mauk and Krimigis, 1987), the nightside pressure anisotropy force is larger than the dayside pressure gradient forces at equivalent radial distances; however, a full accounting of the dayside regions remains to be achieved. ¿ American Geophysical Union 1991 |
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Abstract |
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Keywords
Magnetospheric Physics, Plasma convection, Magnetospheric Physics, Energetic particles, trapped, Magnetospheric Physics, Plasma sheet, Magnetospheric Physics, Planetary magnetospheres |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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