A calorimetric dosimeter of high-power pulses of hard X rays with a lead absorber

Instruments and Experimental Techniques(2016)

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摘要
A simple small calorimetric dosimeter for proximate measurements of the dose of high-power pulse bremsstrahlung γ-radiation was developed. The dose was measured by the heating of a lead absorber. The dosimeter was tested on a generator of a high-current relativistic electron beam with an exposure dose rate of up to 5 × 10 9 R/s with a total dose per pulse of up to 800 R. The maximum possible measured dose is evaluated as 3 × 10 5 R at a sensitivity threshold of ∼20 R under our experimental conditions.
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关键词
Kalinin,Proximate Measurement,Output Window,Plasma Opening Switch,Diamond Detector
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