DURING the past decade and a half gamma‐ray spectroscopy has increased by orders of magnitude in its ability to reveal information. At present the high resolution of lithium‐activated germanium detectors justifies 4000‐channel analysis, and computer programs speed interpretation. The result is a system that does in days what used to take months even with fairly sophisticated computers. Today's methods are a considerable advance over methods that started with the introduction of thallium‐activated sodium‐iodide crystals and 256‐channel analyzers, just as those, in their turn, were a great advance over devices that preceded them.

Topics
Computer programming, Gamma ray spectroscopy, Semiconductor detectors
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1966
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