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Salerno Brick Scanning Report: Analysis and Findings

Detailed overview of brick scanning results from Salerno event gallery. Includes statistics, conclusions, and specific findings of various bricks with significant interactions and features. General statistics and vertex features analysis provided.

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Salerno Brick Scanning Report: Analysis and Findings

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  1. Scanning Report from Salerno • Brick scanning overview • Event gallery • General statistics • Conclusions

  2. Brick scanning summary * Brick 5969 is a NC with black CS. 1 track found, but passes through the brick. ** Brick 134936 has a secondary interaction of a NC event; parent track followed to plate 1

  3. Event gallery Event gallery

  4. Event gallery Event 224778801 Brick 150194 (fog ≃14grs/1000 mm3)

  5. Event gallery Event 224778801 Brick 150194 (fog ≃14grs/1000 mm3) Hint for shower in the CS candidates Human-assisted TotalScan, plates 5722: 1 cm2 around shower axis,reconstruct every 10 plates, check for shower/vertex

  6. Event gallery Event 224778801 Brick 150194 (fog ≃14grs/1000 mm3) Vertex found between plates 35 and 36 XY XZ

  7. Event gallery Event 224778801 Brick 150194 (fog ≃14grs/1000 mm3) Vertex found between plates 35 and 36 Two showers found (p0 is likely) Tilted XY

  8. Event gallery Event 237882171 Brick 134936 – NC, passing through with secondary

  9. Event gallery Event 237882171 Brick 134936 – NC, passing through with secondary YZ The twopassing-through tracks do not converge (seen on XZ) 3-prong vertex with primary Another passing-through XZ

  10. Event gallery Event 234925885 Brick 143527

  11. Event gallery Event 234925885 Brick 143527 YZ Track stoppingin the volumedownstreamof the vertex, not seen on CS XY Close-up

  12. Event gallery Event 234925885 Brick 143527 Track stoppingin the volumedownstreamof the vertex, not seen on CSIP = 80.5 mm DZ = 1900 mm CS check needed Tilted view

  13. General Statistics General Statistics

  14. General Statistics: Vertex features Charged multiplicity of CC primary vertices Charged multiplicity of NC primary vertices Average multiplicity: 3.6 QE-like: 9/44 = 20% Average multiplicity: 3.6

  15. General Statistics: Vertex features Muon impact parameter Hadron impact parameter Average IP: 2.8 mm Average IP: 12.0 mm

  16. General Statistics: Vertex features m f Azimuthal angle in nm frame between muon and hadrons nm h f, degrees Clear anti-correlation between muon and hadron directions

  17. Conclusions Scanning stopped for Christmas holidays, restarted smoothly Event statistics increasing steadily Running parameters stable since several months(No brick-by-brick tuning)

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