Non-Linearities and Entrance Window Effects in Large Solid-Angle Gas Ionization Detectors
Date
1999
Authors
Ophel, T
Timmers, Heiko
Elliman, Robert
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Elsevier
Abstract
The performance of a large solid-angle, position-sensitive, gas ionization detector used for elastic recoil detection analysis with heavy ions has been investigated in detail. In particular, a front electrode in the anode, that was intended for measurements of the initial energy loss of incident heavy ions, proved especially valuable as a means of understanding the non-linearities inherent to the methods of spatial determination employed by a widely used type of detector, and the influence of the window on the collection of electrons at the anode. Alternative design features are proposed to remove the non-linearities and to allow the measurement of the energy loss near the detector entrance.
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Keywords
Keywords: Elastic recoil detection analysis (ERDA); Ion beam analysis; Solid angle gas ionization detectors; Anodes; Electrons; Energy dissipation; Heavy ions; Ion beams; Ionization chambers 29.40.Cs; 29.40.Gx; 81.70.Jb; 81.70.Yb; Elastic recoil detection; Ion beam analysis
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Nuclear Instruments and Methods in Physics Research: Section A
Type
Journal article
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2037-12-31
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