Comparison of Time Interval Statistic and Pulse Shape Discrimination in Fast Neutron Detection Method with Liquid Scintillation Detector Loaded Gd-中国期刊网

摘要 Neutronusuallyappearswithgamma,whichisrequiringthedetectorhasthecapabilityofngammadiscrimination.Pulseshapediscrimination(PSD)isacommonapproachofn,gammajudgment,butrequiredacomplexprocesstoselectasuitablediscriminationfactor,andpoorperformanceinthelowenergyrange.AmethodbasedonthetimeintervalofadjacentSignalswasdisruptedandadoptedtocomparetopulseshapediscriminationinthefastneutrondetectionmethod.AgoodagreementbetweentheadoptedmethodandPSDmethodwasachieved,includingthetotalcountratioandneutroncountratio.Thecomparisonprovesthecorrectnessofthetheoreticalderivationandvalidatesthemethodinpractice.TheadvantagesandlimitationsofthemethodbasedontimeIntervalofadjacentsignalswereanalyzed.Themethodprovidesaneffectivewaytoconfirmthecalibrationoftheneutrondetectionofaliquidscintillationdetector.Also,asasimplewayonlyrequiringthetimeinformationaboutevents,thedescribedmethodhaslargeapplicationpotentialinsomecaseoffastneutronfluxorintensitymeasurement.

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Comparison of Time Interval Statistic and Pulse Shape Discrimination in Fast Neutron Detection Method with Liquid Scintillation Detector Loaded Gd

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Comparison of Time Interval Statistic and Pulse Shape Discrimination in Fast Neutron Detection Method with Liquid Scintillation Detector Loaded Gd

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