A portable sealed neutron generator has been modified to produce 14 MeV 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(T1) scintillator. Time resolution of about deltat = 4-5 ns (FWHM) has been measured. The sealed neutron tube has been operated up to 10(7) neutron/s. Possible applications in non-destructive assays and future developments of the Tagged Neutron Inspection System concept are discussed.
Performance of a tagged neutron inspection system (TNIS) based on portable sealed generators
LUNARDON, MARCELLO;VIESTI, GIUSEPPE;
2004
Abstract
A portable sealed neutron generator has been modified to produce 14 MeV 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(T1) scintillator. Time resolution of about deltat = 4-5 ns (FWHM) has been measured. The sealed neutron tube has been operated up to 10(7) neutron/s. Possible applications in non-destructive assays and future developments of the Tagged Neutron Inspection System concept are discussed.File in questo prodotto:
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