Physics
Scientific paper
Sep 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..443..134c&link_type=abstract
Atomic processes in plasmas. AIP Conference Proceedings, Volume 443, pp. 134-148 (1998).
Physics
2
Electron-Ion Scattering, Excitation And Ionization, Electron-Ion Recombination And Electron Attachment, Electron Collisions
Scientific paper
Cross sections for a variety of electron-ion collision phenomena are the backbone for understanding energy balance in high electron temperature plasmas. Such plasmas include such seemingly disparate objects such as the Io torus around Jupiter, solar and stellar atmospheres, the interstellar medium, and fusion devices. Several experimental approaches used with multiply-charged ions (MCIs) will be reviewed. These include measurement of excitation cross sections using the electron energy-loss method, measurement of ionic lifetimes using a Kingdon trap, and measurement of dissociative recombination cross sections using ion storage rings. New JPL results will be presented of e-S2+ inelastic scattering, relevant to the problem of ion density and radiated energy in the Io torus; and metastable-state lifetimes in C+, N+, and Ar2+ relevant to stellar absorption by the interstellar medium.
Chutjian Ara
Greenwood Jason B.
Smith Stephen J.
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