X-Ray Measurements Using a Microcalorimeter on an Electron Beam Ion Trap

Details X-Ray Measurements Using a Microcalorimeter on an Electron Beam Ion Trap X-Ray Measurements Using a Microcalorimeter on an Electron Beam Ion Trap

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..926...79s&link_type=abstract

ATOMIC PROCESSES IN PLASMAS: 15th International Conference on Atomic Processes in Plasmas. AIP Conference Proceedings, Volume 9

Astronomy and Astrophysics

Astrophysics

2

Calorimeters, Atomic And Molecular Beam Sources And Techniques, X-Ray And Gamma-Ray Spectrometers

Scientific paper

The X-ray telescopes and spectrometers flown on Chandra and XMM-Newton are returning exciting new data from a wide variety of cosmic sources such as stellar coronae, supernova remnants, galaxies, clusters of galaxies, active galactic nuclei and X-ray binaries. To achieve the best scientific interpretation of the data from these and future spectroscopic missions and related ground-based observations, theoretical calculations and plasma models must be verified or modified by the results obtained from measurements in the laboratory. Such measurements are the focus of several laboratory astrophysics programs that use an electron beam ion trap (EBIT) to simulate astrophysical plasma conditions. Here we describe our recent spectroscopic measurements of neon-like iron and nickel using a microcalorimeter on the EBIT at the National Institute of Standards (NIST). We obtain values for the intensity ratios of the well-known lines emitted by these ions and compare the results with new large scale electron-ion scattering calculations. Additional details about our laboratory astrophysics work can be found in some earlier papers.

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