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. 2021 Aug 10;12:4805. doi: 10.1038/s41467-021-24920-0

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© The Author(s) 2021, corrected publication 2022

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Fig. 4 — The plot shows the distribution of the drift time difference between proton stop and start points versus the projected length of the signal on the (X,Y) pad plane. The colour points are events selected for the drift velocity estimate from the 1.20 MeV (orange) and the 2.50 MeV (red) protons.