Shifts of hydrogen lines from electron collisions in dense plasmas

Details Shifts of hydrogen lines from electron collisions in dense plasmas Shifts of hydrogen lines from electron collisions in dense plasmas

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrva..28.1596g&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 28, Sept. 1983, p. 1596-1601. NSF-supported research.

Physics

General Physics

47

Dense Plasmas, Electron Scattering, Line Spectra, Particle Interactions, Quadrupoles, Atomic Collisions, Hydrogen, Stark Effect, Stellar Atmospheres

Scientific paper

The semiclassical impact-parameter method is used to calculate shifts of Lyman and Balmer lines from levels n lower than 6 caused by electrons in a dense plasma. Comparison with measurements and estimates of shifts due to ion quadrupole interactions indicate that shifts from distant electron-atom collisions are the major cause of observed shifts of Balmer lines. Blue shifts from ion-atom quadrupole interactions are relatively small for low series members.

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