Figure 6: Distance between the hit position and the edge of slit. Only α (1.47 MeV) events from the $^{10}$B converter are displayed. Table 2: resolution of each charged particle converter energy range (MeV) particle σ ( µ m) 0.2 – 0.7 $^{7}$Li 5.7 ± 0.2 $^{10}$B 0.9 – 1.35 α 5.5 ± 0.2 1.35 – 1.7 α 7.6 ± 1.0 0.8 – 1.2 $^{3}$He(penetrate) 6.7 ± 0.6 $^{6}$Li 1.4 – 2.0 α 5.3 ± 0.3 2.2 – 2.7 $^{3}$He(stop) — 13