Performance of large-scale 6Li-doped pulse-shape discriminating plastic scintillators

A 6Li-doped plastic scintillator with pulse-shape discrimination capabilities, commercially identified as ej-299-50, has been developed and produced at the kilogram-scale. A total of 44 bars of dimensions 5.5 cm x 5.5 cm x 50 cm of this material have been characterized. Optical properties like light...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2024-12, Vol.1069, Article 169916
Hauptverfasser: Roca, C., Bowden, N.S., Carman, L., Dazeley, S.A., Durham, S.R., Falana, O.M., Ford, M.J., Glenn, A.M., Hurlbut, C., Li, V.A., Mendenhall, M.P., Shipp, K., Sutanto, F., Zaitseva, N.P.
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container_title Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
container_volume 1069
creator Roca, C.
Bowden, N.S.
Carman, L.
Dazeley, S.A.
Durham, S.R.
Falana, O.M.
Ford, M.J.
Glenn, A.M.
Hurlbut, C.
Li, V.A.
Mendenhall, M.P.
Shipp, K.
Sutanto, F.
Zaitseva, N.P.
description A 6Li-doped plastic scintillator with pulse-shape discrimination capabilities, commercially identified as ej-299-50, has been developed and produced at the kilogram-scale. A total of 44 bars of dimensions 5.5 cm x 5.5 cm x 50 cm of this material have been characterized. Optical properties like light output and effective attenuation length have been found to be comparable to 6Li-doped liquid scintillators. The scintillator ej-299-50 shows good neutron detection capabilities with an effective efficiency for capture on 6Li of approximately 85%. Stability tests performed on two formulation variations showed no intrinsic degradation in the material or optical properties during several months of observations.
doi_str_mv 10.1016/j.nima.2024.169916
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language eng
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source Elsevier ScienceDirect Journals Complete - AutoHoldings
subjects 6Li-loaded scintillator
Neutron detection
Plastic scintillator
PSD
Pulse-shape discrimination
Reactor antineutrino detection
title Performance of large-scale 6Li-doped pulse-shape discriminating plastic scintillators
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