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Figure 13
Examples of position versus amplitude spectra [colored panels in (a), (b) and (c)] and pulse height spectra [blue curves in (a), (b) and (c)] measured with the detector during the test with the 252Cf neutron source: (a) full spectrum; (b) the spectrum with the γ peak at lower channels (< 10) sorted out; (c) results with the absorbing mask with three narrow slits (3 mm) in front of the detector, with the slits transverse to the horizontal 3He tubes. In (c), partial γ-peak discrimination was used during the middleware DAQ test. The flooding test of the entire detector with the 252Cf neutron source is shown in (d). Position was obtained from the ratio of the right amplitude (PR) to the total pulse height (PR + PL).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 2| April 2025| Pages 581-594
https://doi.org/10.1107/S160057672500158X
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