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Production & QA of BOL chambers

Production & QA of BOL chambers. Tomo results BOL0,2,3 Comparison Tomo and QA data Production status. Xray Tomograph. Site grid parameters from BOL0. Analysis of Martin Woudstra. Results so-far (so-good!):. s. Include wire tension RMS. Simple interpolation. RMS along chamber. s.

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Production & QA of BOL chambers

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  1. Production & QA of BOL chambers • Tomo results BOL0,2,3 • Comparison Tomo and QA data • Production status Graziano Massaro(NIKHEF)

  2. Xray Tomograph Site grid parameters from BOL0 Analysis of Martin Woudstra Results so-far (so-good!): Graziano Massaro(NIKHEF) s

  3. Include wire tension RMS Simple interpolation RMS along chamber Graziano Massaro(NIKHEF) s

  4. outer inner Spacer inner outer Closer Look BOL 0 • BOL 0,2,3 similar results: • Y pitch between inner tube layers significantly larger: 25 mm • Probably due to glue shrink of black glue DP490 ~1%o x0.7mm • also affects Y distance between ML: ~50 mm • Y pitch between outer tube layer close to design Graziano Massaro(NIKHEF) s

  5. RASNIK vs Tomograph Rasnik on Xplate • Study average Y,Z shifts of tube layers • For RASNIK: take average of two RASASS towers + account for effect of Xplate sag • For Tomograph: Results BOL0,2,3 from analysis M.Woudstra (NIKHEF) Graziano Massaro(NIKHEF) s

  6. Z shifts Graziano Massaro(NIKHEF) s

  7. Sag Compensation BOL2 Layer 1 Start: -15/2 um • During gluing of • layer 1 and 2, significant changes in Xplate sag were observed: • Instable reduction valves? • Effect of glue viscosity? End: -38/2 um Layer 2 Start: 30/2 um End: 50/2 um 1 deg Graziano Massaro(NIKHEF) s

  8. Y shifts Graziano Massaro(NIKHEF) s

  9. Tube Position (GL) vs Tomo Average Residuals from pre-glue laser checks 4 chambers, 6 layers Tomo Graziano Massaro(NIKHEF) s

  10. Production Status Graziano Massaro(NIKHEF) s

  11. Broken Wire Graziano Massaro(NIKHEF) s

  12. Graziano Massaro(NIKHEF) s

  13. Y Graziano Massaro(NIKHEF) s

  14. Z Graziano Massaro(NIKHEF) s

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