Multiparametric dependence of hydrogen Stark profiles asymmetry
IVEPT, RRC “Kurchatov institute”, Kurchatov Square 1, Moscow, 123182, Russia
2 Department of Physics, Western Michigan University, Kalamazoo, MI-49008 Michigan, USA
Revised: 10 September 2007
Published online: 5 October 2007
The Standard Theory for hydrogen spectral lines asymmetry in dense plasmas is developed on the basis of rigorous and consistent approach with respect to simultaneous and complete account of the quadrupole interaction and the quadratic Stark effect. The complex multiparametric scaling and similarity dependence of the conventional asymmetry parameter for each separate Stark component and the Hβ line contour as a whole is revealed and studied in detail under the influence of: ionic microfield inhomogeneity and quadratic Stark effect in ionic microfield, electronic collision shifts and impact widths, “trivial” asymmetry sources, the Boltzmann factor and the dipole intensity scaling factor of frequency to the fourth power for the case of emission line. The comparison with the precision experiment on stabilized arc data for Hβ line, important for diagnostics, is performed and analyzed from the line center up to the far line wings.
PACS: 32.70.Jz – Line shapes, widths, and shifts / 32.60.+i – Zeeman and Stark effects / 52.20.Fs – Electron collisions / 52.20.Hv – Atomic, molecular, ion, and heavy-particle collisions
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2007