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CALICE Tail-Catcher/Muon Tracker

Prototype detector for accurate shower simulation validation with emphasis on coil muon reconstruction and eflow fake rate. Utilizing steel layers, strips, and Si-PM photo detection for precise tracking. Features various quality control measures for optimal performance.

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CALICE Tail-Catcher/Muon Tracker

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  1. CALICE Tail-Catcher/Muon Tracker Vishnu V. Zutshi for NIU/NICADD

  2. Goals for the TC/Muon System • Provide a reasonable snapshot of the tail-end of the shower for simulation validation • Prototype detector with high-fidelity to what is imagined for a generic LCD correcting for leakage understanding the impact of coil muon reconstruction + eflow fake rate V. Zutshi, ALCPG04, Victoria

  3. Erec/Egen 50 GeV p V. Zutshi, ALCPG04, Victoria

  4. Tail-catching V. Zutshi, ALCPG04, Victoria

  5. Multiple Scattering V. Zutshi, ALCPG04, Victoria

  6. 50 GeV p± V. Zutshi, ALCPG04, Victoria

  7. HCal Table V. Zutshi, ALCPG04, Victoria

  8. HCal & TCMT V. Zutshi, ALCPG04, Victoria

  9. <90%> Containment V. Zutshi, ALCPG04, Victoria

  10. Different Hadronic Generators Intra-nuclear cascade generators need to be included V. Zutshi, ALCPG04, Victoria

  11. Rotations V. Zutshi, ALCPG04, Victoria

  12. V. Zutshi, ALCPG04, Victoria

  13. V. Zutshi, ALCPG04, Victoria

  14. Design Elements • “Fine” section (8 layers) 2cm thick steel • “Coarse” section (8 layers) 10cm thick steel • 5mm thick, 5cm wide strips • Tyvek/VM2000 wrapping • Alternating x-y orientation • Si-PM photo detection • Common readout with HCal V. Zutshi, ALCPG04, Victoria

  15. Fermi-NICADD Extruder V. Zutshi, ALCPG04, Victoria

  16. Die V. Zutshi, ALCPG04, Victoria

  17. Separation Grooves Provides better rigidity 1 2 3 4 5 Epoxy/paint mixture V. Zutshi, ALCPG04, Victoria

  18. Strips V. Zutshi, ALCPG04, Victoria

  19. X-talk V. Zutshi, ALCPG04, Victoria

  20. Grooving V. Zutshi, ALCPG04, Victoria

  21. Response V. Zutshi, ALCPG04, Victoria

  22. Uniformity (small holes) V. Zutshi, ALCPG04, Victoria

  23. Longitudinal Scan V. Zutshi, ALCPG04, Victoria

  24. 1mm thick steel walls Cassette I V. Zutshi, ALCPG04, Victoria

  25. Cassette II V. Zutshi, ALCPG04, Victoria

  26. Cassette III V. Zutshi, ALCPG04, Victoria

  27. for their support Our thanks to Absorber and Cart • Good quality steel plates from Fermi scrap available (0.75 and 4 inches thick). • Maximum size for the thicker plates is 1.066m x 1.2m. • Cart being designed with about 10 tonne load capacity. • Will have the capability for forward-backward and left-right motion. V. Zutshi, ALCPG04, Victoria

  28. Quality Control I • Hole Tolerance • Width and thickness measurements • Dopant presence • Attenuation length measurements • Longitudinal and horizontal scans V. Zutshi, ALCPG04, Victoria

  29. Quality Control II V. Zutshi, ALCPG04, Victoria

  30. Quality Control III V. Zutshi, ALCPG04, Victoria

  31. Summary • Strip-fiber R&D essentially done, we are entering construction phase. • All the scintillator required for the device has been produced. • Assembly of the prototype cassette starts next week. • Aim to have the first layer readout with the test beam electronics in Dec. V. Zutshi, ALCPG04, Victoria

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