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  Indian J Med Microbiol
 

Figure 2: Detection effciency for 140-keV gamma rays for various thicknesses of cadmium telluride, thallium-activated sodium iodide, germanium, and silicon detectors. The drawn lines are results for the total detection effciency; the dashed lines are results for the photoelectric detection effciency (used with permission from the author)

Figure 2: Detection effciency for 140-keV gamma rays for various thicknesses of cadmium telluride, thallium-activated sodium iodide, germanium, and silicon detectors. The drawn lines are results for the total detection effciency; the dashed lines are results for the photoelectric detection effciency (used with permission from the author)