Ion chambers for fluorescence and laboratory EXAFS detection
Conference
·
OSTI ID:6033364
It is possible to design gas ionization chambers with a noise equivalence of 10/sup 3/ photons per second for 10 keV x-radiation. With such a low noise level, ion detectors can be used for laboratory EXAFS facilities and fluorescence detectors at national synchrotron facilities where the detected signal is above 10/sup 3/ photons/s. In such use the ion chambers are limited by statistical noise and produce as good a signal to noise as counting detectors. The advantages of ion chambers are simplicity, high linearity at high counting rates, and large detecting area.
- Research Organization:
- Washington Univ., Seattle (USA). Dept. of Physics; Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6033364
- Report Number(s):
- BNL-30165; CONF-810750-11; ON: DE82001818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400103 -- Radiometric & Radiochemical Procedures-- (-1987)
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CHEMICAL ANALYSIS
FLUORESCENCE
IONIZATION CHAMBERS
LUMINESCENCE
MEASURING INSTRUMENTS
NOISE
NONDESTRUCTIVE ANALYSIS
RADIATION DETECTORS
RADIATION SOURCES
SYNCHROTRON RADIATION SOURCES
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS
400103 -- Radiometric & Radiochemical Procedures-- (-1987)
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CHEMICAL ANALYSIS
FLUORESCENCE
IONIZATION CHAMBERS
LUMINESCENCE
MEASURING INSTRUMENTS
NOISE
NONDESTRUCTIVE ANALYSIS
RADIATION DETECTORS
RADIATION SOURCES
SYNCHROTRON RADIATION SOURCES
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS