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Proceedings Paper

Ion-polar collisions in gas-filled KCD imaging detectors
Author(s): George C. Giakos; P. Ghotra; Bindu Pillai; Donna B. Richardson; Anthony M. Passalaqua; Lakshmi Seetharaman; Frank A. DiBianca; Robert J. Endorf; Sreenivas Devidas
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Paper Abstract

A narrowing of the line spread function (LSF) has been observed when small amounts of low ionization potential polar dopant molecules were added to gas-filled high pressure kinestatic charge detector (KCD) for x-ray digital radiography. The LSF narrowing is attributed to different coexisting physical mechanisms. In this study, the impact of long-range dipole moment forces, associated with low ionization potential polar molecules, during ion-polars collisions, is investigated. Finally, this study is implemented with experimental examples.

Paper Details

Date Published: 8 May 1995
PDF: 12 pages
Proc. SPIE 2432, Medical Imaging 1995: Physics of Medical Imaging, (8 May 1995); doi: 10.1117/12.208352
Show Author Affiliations
George C. Giakos, Univ. of Akron (United States)
P. Ghotra, Univ. of Akron (United States)
Bindu Pillai, Univ. of Akron (United States)
Donna B. Richardson, Univ. of Akron (United States)
Anthony M. Passalaqua, Univ. of Akron (United States)
Lakshmi Seetharaman, Univ. of Akron (United States)
Frank A. DiBianca, Univ. of Tennessee/Memphis (United States)
Robert J. Endorf, Univ. of Cincinnati (United States)
Sreenivas Devidas, Johns Hopkins Univ. (United States)


Published in SPIE Proceedings Vol. 2432:
Medical Imaging 1995: Physics of Medical Imaging
Richard L. Van Metter; Jacob Beutel, Editor(s)

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