By understanding the judgment limit and detection lower limit,deriving the calculation formula for the detection lower limit,and specifically analyzing the application of the detection lower limit of high-purity germanium γ energy spectrum analysis in emergency situations,providing practical application basis for low-level radioactive measurement.Provide optimized high-purity germanium γ The method of detecting the lower limit of energy spectrum,using anti Compton method γ taking the spectrometer as an example,compare the difference in the lower detection limit between anti Compton mode and non anti Compton mode.
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