Performance of a tagged neutron inspection system (TNIS) based on portable sealed generators

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• 作者：Nebbia ; G. ; Pesente ; S. ; Lunardon ; M. ; Viesti ; G. ; LeTourneur ; P. ; Heuveline ; F. ; Mangeard ; M. ; et. al.
• 关键词：29.25.Dz ; 29.40.Mc ; 82.80.JP ; 89.20.Bb ; Tagged neutrons ; Explosive detection
• 刊名：Nuclear Instruments and Methods in Physics Research Section A ; Accelerators ; Spectrometers ; Detectors and Associated Equipment
• 出版年：2004
• 期刊代码：41_01689002
• 类别：ph
• 出版时间：November 11, 2004
• 卷：533
• 期：3
• 页码：475-480
• 文件大小：197 K

摘要

A portable sealed neutron generator has been modified to produce 14MeV tagged neutron beams with an embedded YAP:Ce scintillation detector. The system has been tested by detecting the coincident gamma-rays produced in the irradiation of a graphite sample by means of a standard NaI(Tl) scintillator. Time resolution of about Formula Not Shown (FWHM) has been measured. The sealed neutron tube has been operated up to 10⁷neutron/s. Possible applications in non-destructive assays and future developments of the Tagged Neutron Inspection System concept are discussed.