Laboratory Astrophysics, QED, and other Measurements using the EBIT Calorimeter Spectrometer at LLNL

Details Laboratory Astrophysics, QED, and other Measurements using the EBIT Calorimeter Spectrometer at LLNL Laboratory Astrophysics, QED, and other Measurements using the EBIT Calorimeter Spectrometer at LLNL

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1185..446b&link_type=abstract

THE THIRTEENTH INTERNATIONAL WORKSHOP ON LOW TEMPERATURE DETECTORS-LTD13. AIP Conference Proceedings, Volume 1185, pp. 446-449

Physics

Atomic Physics

2

X-Ray Spectroscopy, Calorimetry, Qed, X-Ray, Calorimeters, Quantum Electrodynamics

Scientific paper

We have used the EBIT Calorimeter Spectrometer (ECS), a microcalorimeter instrument built by the calorimeter group at the NASA/Goddard Space Flight Center, to make a variety of measurements since its installation at Lawrence Livermore National Laboratory's EBIT facility. These include measurements of charge exchange between neutral gas and K-and L-shell ions, measurements of the X-ray transmission efficiency of optical blocking filters, high resolution measurements of transition energies for high-Z, highly charged ions, and measurements of M and L-shell emission from highly charged tungsten following on earlier measurements of L-shell gold. Our results will see application in the interpretation of the spectra from the Jovian atmosphere and of the diffuse soft X-ray background, in tests of QED, and in diagnosing inertial and magnetic confinement fusion plasmas. These measurements augment previous laboratory astrophysics, atomic physics, and calibration measurements made using earlier versions of NASA's microcalorimeter spectrometer.

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