Recent advances in atomic modeling
Precision spectroscopy of solar plasmas has historically been the goad for advances in calculating the atomic physics and dynamics of highly ionized atoms. Recent efforts to understand the laboratory plasmas associated with magnetic and inertial confinement fusion, and with X-ray laser research, have played a similar role. Developments spurred by laboratory plasma research are applicable to the modeling of high-resolution spectra from both solar and cosmic X-ray sources, such as the photoionized plasmas associated with accretion disks. Three of these developments in large scale atomic modeling are reviewed: a new method for calculating large arrays of collisional excitation rates, a sum rule based method for extending collisional-radiative models and modeling the effects of autoionizing resonances, and a detailed level accounting calculation of resonant excitation rates in FeXVII. 21 refs., 5 figs., 2 tabs.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6647215
- Report Number(s):
- UCRL-99799; CONF-8808164-1; ON: DE89002902
- Resource Relation:
- Conference: International Astronomical Union colloquium 115, Cambridge, MA, USA, 22 Aug 1988; Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
LASER-PRODUCED PLASMA
ATOMIC MODELS
AUTOIONIZATION
COLLISIONS
COSMIC X-RAY SOURCES
CROSS SECTIONS
DISTORTED WAVE THEORY
EXCITATION
IRON IONS
PHOTOIONIZATION
SPECTROSCOPY
SUM RULES
CHARGED PARTICLES
COSMIC RAY SOURCES
ENERGY-LEVEL TRANSITIONS
EQUATIONS
IONIZATION
IONS
MATHEMATICAL MODELS
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