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background count |
Also found in: Wikipedia | 0.07 sec. |
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The evidence or effect on a detector of radiation caused by background radiation. In connection with health protection, the background count includes but is not limited to radiations produced by naturally occurring radioactivity and cosmic rays. |
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? Mentioned in | ? References in periodicals archive | |
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| Background counts arising from external (to our apparatus) sources continue to be a difficulty; as a point-of-reference, the background count rate drops a factor of five when the reactor is turned off. However, the number of neutrino events counted in the experimental is only what one would expect as a background count, and the results may represent some kind of statistical fluke or an unforeseen problem in the apparatus or analysis. At the end of each data-taking cycle the gate potential was lowered to zero to allow a background count. |
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background count
