A large area scanning system using 14 MeV tagged neutrons has been built. The associated He-4 particles emitted in the D + T reaction are detected in an array of Parallel Plate Avalanche Counters that defines a 10 x 100 cm(2) area in the scanning plane. Coincident gamma-rays are detected by 10 BaF2 scintillators. The commissioning of the sensor has been completed. The capability of the system to determine the presence and the position of samples has been verified. Furthermore the possibility of on-line background subtraction is demonstrated.

A large area scanning system using 14 MeV neutron tagged beams for non-destructive assays

LUNARDON, MARCELLO;VIESTI, GIUSEPPE;
2004

Abstract

A large area scanning system using 14 MeV tagged neutrons has been built. The associated He-4 particles emitted in the D + T reaction are detected in an array of Parallel Plate Avalanche Counters that defines a 10 x 100 cm(2) area in the scanning plane. Coincident gamma-rays are detected by 10 BaF2 scintillators. The commissioning of the sensor has been completed. The capability of the system to determine the presence and the position of samples has been verified. Furthermore the possibility of on-line background subtraction is demonstrated.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2435973
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