Performance studies of a multiwire chamber, with 1 mm anode wire spacing, to be used for 2-D position-sensitive detection of X-rays

Experimental and theoretical studies have been made of the performance of a multiwire chamber, with 1-mm anode wire spacing, to be used for position-sensitive detection of X-rays. The chamber has a wire upper cathode, with the wires parallel to the anode wires. The studies have shown that, from cons...

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Bibliographic Details
Published in:IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (USA) 1990-04, Vol.37 (2), p.187-189
Main Authors: Mathieson, E., Smith, G.C.
Format: Article
Language:English
Subjects:
AMPLIFICATION
Anodes
CATHODES
DATA
DESIGN
ELECTRODES
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
GAIN
Geometry
INFORMATION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IONIZING RADIATIONS
Laboratories
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NUMERICAL DATA
Optical imaging
PERFORMANCE TESTING
POSITION SENSITIVE DETECTORS
Position sensitive particle detectors
PROPORTIONAL COUNTERS
RADIATION DETECTORS
RADIATIONS
Synchrotrons
TESTING 440104 > Radiation Instrumentation-- High Energy Physics Instrumentation
TWO-DIMENSIONAL CALCULATIONS
Wire
X RADIATION
X-ray detection
X-ray detectors
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Description
Summary:Experimental and theoretical studies have been made of the performance of a multiwire chamber, with 1-mm anode wire spacing, to be used for position-sensitive detection of X-rays. The chamber has a wire upper cathode, with the wires parallel to the anode wires. The studies have shown that, from considerations of the spacing and registration of the cathode wires, some useful improvements in performance can be obtained. These improvements concern both position modulation and gain modulation, normal to the anode wire direction. The fine system presented has been shown to achieve, for 1-mm wire spacing, a resolution of 125 mu m FWHM (full width at half maximum) at 5.4-keV X-ray energy.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.106616