نتایج جستجو برای: proportional counter
تعداد نتایج: 108353 فیلتر نتایج به سال:
The gas proportional scintillation counter/microstrip gas chamber (GPSC/MSGC) hybrid detector for X-ray spectrometry is described. The detector uses a CsI-coated microstrip plate placed in direct contact with the gas-filling as the photosensor readout for the GPSC scintillation substituting for the photomultiplier tube (PMT). Usable photosensor maximum gain is limited by optical positive feedba...
Effects on human health from the complex radiation environment in deep space have not been measured and can only be simulated here on Earth using experimental systems and beams of radiations produced by accelerators, usually one beam at a time. This makes it particularly important to develop instruments that can be used on deep-space missions to measure quantities that are known to be relatable...
A method for testing and calibrating tissue equivalent proportional counters with 37At is described. 37Ar is produced by exposure of argon in its normal isotope composition to thermal neutrons. It is shown that up to volume ratios of 0.01 of argon to the tissue equivalent gas there is no appreciable effect of the argon admixture on the function of the proportional counter. Conventional calibrat...
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