Radiation dose rate measurement
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United States of America Patent
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Apr 4, 2006
Grant Date -
Oct 28, 2004
app pub date -
May 19, 2004
filing date -
May 15, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus are provided for determining radiation dose rates at selected locations within an environment. Incident gamma ray energy and count rate are measured at one or more measured locations within the environment to obtain a measured spectrum for those measured locations. The spatial position of the measured locations is also measured. An emitted spectrum is then determined for the measured locations based on the measured spectrum. The emitted spectrum may then be used to determine the dose rate at one or more selected locations (which may be different than the measured locations). In this way the invention provides an accurate solution for the dose rate at any point of interest within the environment based on the measured count and incident energies.
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