Laboratory Astrophysics Studies Of X-ray Production Following Charge Exchange Recombination Using The Llnl Ebit And Nasa/gsfc Microcalorimeters

Details Laboratory Astrophysics Studies Of X-ray Production Following Charge Exchange Recombination Using The Llnl Ebit And Nasa/gsfc Microcalorimeters Laboratory Astrophysics Studies Of X-ray Production Following Charge Exchange Recombination Using The Llnl Ebit And Nasa/gsfc Microcalorimeters

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.0308b&link_type=abstract

American Astronomical Society, AAS Meeting #212, #3.08; Bulletin of the American Astronomical Society, Vol. 40, p.185

Astronomy and Astrophysics

Astrophysics

Scientific paper

We have used microcalorimeters built by the NASA/Goddard Space Flight Center and the LLNL EBIT facility to measure x-ray emission produced by charge exchange reactions between bare and hydrogenic astrophysically relevant ions colliding with neutral helium, hydrogen, and nitrogen gas. Our results show the measured spectral signatures produced by helium, hydrogen, and nitrogen donors. The measurements are compared to theory where available. These results can be used to interpret x-ray spectra produced by a variety of sources including cometary and planetary atmospheres, the galactic center, and the heliosphere.
Part of this work was performed under the auspices of the U. S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 and is also supported by NASA grants to LLNL, SAO, Stanford University, and the NASA/GSFC.

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