Analysis of a Semiconductor Detection System for Measuring Radioactive Noble Gases.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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A cryogenically-cooled detection system employing two lithium-drifted silicon detectors to detect small activities of radioactive noble gases is evaluated. The detectors face a sample chamber with beryllium windows. The top window is thin to allow detection of most electrons and electromagnetic radiation by the upper detector. The lower window is thicker to allow only electromagnetic radiation to enter the lower detector. Electron, x-ray, and coincidence spectra analyses are considered, and the results are compared to gamma-ray spectrum analysis with a lithium-drifted germanium detector. A computer method to generate hypothetical spectra is used to give theoretical system results.
- Test Facilities, Equipment and Methods
- Radioactivity, Radioactive Wastes and Fission Products
- Solid State Physics