Investigation of Large LGB Detectors for Antineutrino Detection

Details Investigation of Large LGB Detectors for Antineutrino Detection Investigation of Large LGB Detectors for Antineutrino Detection

2011-06-29

arxiv.org/abs/1106.6083v1

Physics

Instrumentation and Detectors

6 pages, 7 figures, submitted to Nuclear Instruments and Methods A

Scientific paper

A detector material or configuration that can provide an unambiguous indication of neutron capture can substantially reduce random coincidence backgrounds in antineutrino detection and capture-gated neutron spectrometry applications. Here we investigate the performance of such a material, a composite of plastic scintillator and $^6$Li$_6^{nat}$Gd$(^{10}$BO$_{3})_{3}$:Ce (LGB) crystal shards of ~1 mm dimension and comprising 1% of the detector by mass. While it is found that the optical propagation properties of this material as currently fabricated are only marginally acceptable for antineutrino detection, its neutron capture identification ability is encouraging.

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