Stark Profile Calculations for Lyman Series Lines of One-Electron Ions in Dense Plasmas.
Abstract
The frequency distributions of the first six Lyman lines of hydrogen-like carbon, oxygen, neon, magnesium, aluminum, and silicon ions broadened by the local fields of both ions and electrons are calculated for dense plasmas. The electron collisions are treated by an impact theory allowing (approximately) for level splittings caused by the ion fields, finite duration of the collisions, and screening of the electron fields. Ion effects are calculated in the quasistatic, linear Stark-effect approximation, using distribution functions of Hooper and Tighe which include correlation and shielding effects. Theoretical uncertainties from the various approximations are estimated, and the scaling of the profiles with density, temperature and nuclear charge is discussed. A correction for the effects caused by low frequency field fluctuations is suggested. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1978
- Accession Number
- ADA060954
Entities
People
- Hans R. Griem
- Paul C. Kepple
Organizations
- United States Naval Research Laboratory