A PROPORTIONAL SCINTILLATION X-RAY-IMAGING CHAMBER AND ITS PERFORMANCE

Authors
SUZUKI M TAKAHASHI T AWAYA Y OURA M MIZOGAWA T
Citation
M. Suzuki et al., A PROPORTIONAL SCINTILLATION X-RAY-IMAGING CHAMBER AND ITS PERFORMANCE, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 348(2-3), 1994, pp. 280-287
Citations number
17
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
348
Issue
2-3
Year of publication
1994
Pages
280 - 287
Database
ISI
SICI code
0168-9002(1994)348:2-3<280:APSXCA>2.0.ZU;2-A
Abstract
We discuss the operational principle of a proportional scintillation X -ray imaging chamber, and report the performance of the first prototyp e constructed for SPring-8. Single X-ray photons have been successfull y imaged with the prototype as bright spots of 1.4 mm in diameter, as expected. The absolute detection efficiency has been found to be 2.4%, consistent with the predicted value. The fluctuation in the light gai n uniformity was less than 7% over the entire detection area. The line arity of response has been examined by measuring the gray value distri bution of single X-ray photons detected. The spatial resolutions attai ned in analogue mode and in digital mode were around 1 mm and better t han 170 mum, respectively.