12 Total-Scan analysis in Salerno (BL081 and BL082) Outcome of Scan-back + Manual checks BrickScanback paths StopsStopPassScatterVacuum channel EdgeOut BL081297452110581 BL082383822940074 Efficiency problems on many plates Unbiased Total-Scan to check both Scan-back and Manual checks: data collected around all stopping points in 5×5mm 2 ×(5+5 plates) 5+5 plates = 4+4 plates for reconstruction + 1+1 plates for Virtual erasing Preliminary reconstructions available (using 10 plates) Skewed view Red: Scan-back Iris: Total-Scan Run 47 Event 189037 – stop at plate 12 V4 event in the emulsion 6 SFT tracks reconstructed No match from non-scan-back tracks