Physics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..dmp.d1118e&link_type=abstract
The 35th Meeting of the Division of Atomic, Molecular and Optical Physics, May 25-29, 2004, Tuscon, AZ. MEETING ID: DAMOP04, ab
Physics
Scientific paper
We report on ongoing "laboratory astrophysics" studies of relative line-emission cross sections for soft x-ray emission following collisions of highly charged ions, present in the solar wind, with CO gas. One goal of this work is to provide detailed information for modeling the soft x-ray emission observed recently from a number of comets using Chandra, XMM and other space based platforms. First results are reported here for emission from keV energy collisions of O^q+ (q=4,5,6,7) beams with CO targets, using a grazing incidence, soft x-ray /XUV grating spectrometer equipped with a CCD camera. Our present program also involves studies of C^q+, N^q+, and Fe^q+ collisions with typical cometary gases (CO_2, H_2O, NH_3, etc.).
Chutjian Ara
Djuric Nada
Ehrenreich Thomas
Kessel Quentin
Lozano Juan
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