Energy loss and mean free path of electrons in a hot thermal plasma

Details Energy loss and mean free path of electrons in a hot thermal plasma Energy loss and mean free path of electrons in a hot thermal plasma

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...191..181h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 191, no. 1, Feb. 1988, p. 181-185. DFG-supported research.

Astronomy and Astrophysics

Astrophysics

5

Astrophysics, Electron Scattering, Energy Dissipation, High Temperature Plasmas, Mean Free Path, Scattering Cross Sections, Electron Density (Concentration), Kinetic Energy, Lorentz Force, Thermal Plasmas

Scientific paper

The energy loss of test electrons and the effective cross section for electron-electron scattering in hot thermal plasmas are given for arbitrary temperatures and electron energies. In the nonrelativistic limit the resulting integrals are performed analytically so that the mean rate of energy loss and the mean free path of electrons can be expressed by simple functions. Comparison of the results with the approximation of target electrons at rest shows that the thermal motion of the plasma electrons has to be taken into account whenever the kinetic energy of the test electrons does not considerably exceed the mean thermal energy of the plasma particles.

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