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PITCH-ANGLE SCATTERING OF ENERGETIC PARTICLES IN THE CURRENT SHEET OF THE MAGNETOSPHERIC TAIL AND STATIONARY DISTRIBUTION-FUNCTIONS. / TSYGANENKO, NA.

In: Planetary and Space Science, Vol. 30, No. 5, 1982, p. 433-437.

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@article{4af0c3fc14474a17a78e77a7fd7b7c37,
title = "PITCH-ANGLE SCATTERING OF ENERGETIC PARTICLES IN THE CURRENT SHEET OF THE MAGNETOSPHERIC TAIL AND STATIONARY DISTRIBUTION-FUNCTIONS",
abstract = "An investigation of pitch-angle scattering of energetic particles in magnetic field configurations with a current sheet similar to that observed in the geomagnetotail has been performed. The magnetic field model is specified by two parameters which are the current sheet thickness in units of particle gyroradius and the angle between the magnetic field lines and the sheet plane. Computations of a considerable number of trajectories (about 20,000 for each model case) has provided the possibility of obtaining the matrix of pitch-angle scattering and the corresponding kernel function of the integral equation for the stationary particle distribution function. Solution of this equation shows that isotropic distributions are formed only in the case of a sufficiently thick current sheet. Particle scattering in a thin field reversal region leads to the formation of an anisotropic stationary distribution. The results can be used for interpretation of the data on the spatial distribution of energetic particle fluxes in the near part of the magnetospheric tail and in the vicinity of the outer boundary of the radiation belt.",
keywords = "magnetosphere, magnetotail, plasma particles, pitch angle, scattering",
author = "NA TSYGANENKO",
year = "1982",
doi = "10.1016/0032-0633(82)90052-6",
language = "English",
volume = "30",
pages = "433--437",
journal = "Planetary and Space Science",
issn = "0032-0633",
publisher = "Elsevier",
number = "5",

}

RIS

TY - JOUR

T1 - PITCH-ANGLE SCATTERING OF ENERGETIC PARTICLES IN THE CURRENT SHEET OF THE MAGNETOSPHERIC TAIL AND STATIONARY DISTRIBUTION-FUNCTIONS

AU - TSYGANENKO, NA

PY - 1982

Y1 - 1982

N2 - An investigation of pitch-angle scattering of energetic particles in magnetic field configurations with a current sheet similar to that observed in the geomagnetotail has been performed. The magnetic field model is specified by two parameters which are the current sheet thickness in units of particle gyroradius and the angle between the magnetic field lines and the sheet plane. Computations of a considerable number of trajectories (about 20,000 for each model case) has provided the possibility of obtaining the matrix of pitch-angle scattering and the corresponding kernel function of the integral equation for the stationary particle distribution function. Solution of this equation shows that isotropic distributions are formed only in the case of a sufficiently thick current sheet. Particle scattering in a thin field reversal region leads to the formation of an anisotropic stationary distribution. The results can be used for interpretation of the data on the spatial distribution of energetic particle fluxes in the near part of the magnetospheric tail and in the vicinity of the outer boundary of the radiation belt.

AB - An investigation of pitch-angle scattering of energetic particles in magnetic field configurations with a current sheet similar to that observed in the geomagnetotail has been performed. The magnetic field model is specified by two parameters which are the current sheet thickness in units of particle gyroradius and the angle between the magnetic field lines and the sheet plane. Computations of a considerable number of trajectories (about 20,000 for each model case) has provided the possibility of obtaining the matrix of pitch-angle scattering and the corresponding kernel function of the integral equation for the stationary particle distribution function. Solution of this equation shows that isotropic distributions are formed only in the case of a sufficiently thick current sheet. Particle scattering in a thin field reversal region leads to the formation of an anisotropic stationary distribution. The results can be used for interpretation of the data on the spatial distribution of energetic particle fluxes in the near part of the magnetospheric tail and in the vicinity of the outer boundary of the radiation belt.

KW - magnetosphere

KW - magnetotail

KW - plasma particles

KW - pitch angle

KW - scattering

U2 - 10.1016/0032-0633(82)90052-6

DO - 10.1016/0032-0633(82)90052-6

M3 - Article

VL - 30

SP - 433

EP - 437

JO - Planetary and Space Science

JF - Planetary and Space Science

SN - 0032-0633

IS - 5

ER -

ID: 27874747