The nature of dead time in multichannel pulse height analyzers at high counting rates and related problems |
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| Authors: | S. Sterlinski W. Hammer M. Wasek |
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| Affiliation: | (1) Department of Analytical Chemistry, Institute of Chemistry and Nuclear Technology, ul. Dorodna 16, 03-195 Warszawa, (Poland);(2) Department of Radiation Shielding, Institute of Nuclear Studies, 05-400 Otwock-Swierk, (Poland) |
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| Abstract: | The sources and nature of dead time of the multichannel analyzer (MCA) coupled to a Wilkinson type analog-to-digital converter (ADC) were examined. A dead time model based on two types of dead time, non-extended (nonparalysable) and extended (paralysable), is suggested. Special attention is paid to an extended type imposed by the pulse amplufier and the lower level discriminator in an ADC. |
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