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Test Beam VPT II

Test Beam VPT II. A Laser Monitoring Analysis. First Irradiation (June 4 th to 8 th ). Recovery followed by Laser. Second Irradiation (June 14 th to 21 st ). VPT flashed continuously by laser at 100Hz. “H4 test beam meeting” June 23 rd 2004 / Patrice VERRECCHIA. E0’ matrix. Round #2.

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Test Beam VPT II

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  1. Test Beam VPT II A Laser Monitoring Analysis First Irradiation (June 4th to 8th ) Recovery followed by Laser Second Irradiation (June 14th to 21st ) VPT flashed continuously by laser at 100Hz “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  2. E0’ matrix Round #2 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  3. Data treatment Quasi Real Time • Rawz files sent to Monitoring farm prototype • Quality control • Corrections: • non linearity • Test pulses (mgpa and mem) • Laser Width • MATACQ ready for use • Temperature (delayed) • Irradiation & Calibration Analysis • Hodoscope not used “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  4. Laser intensity control During irradiation #2 Start irradiation 6% “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  5. Laser width control During irradiation #2 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  6. Irradiation & recovery XTAL #21 BCTP Chan#4 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  7. R slope: XTAL #21 BCTP Chan#4 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  8. Irradiation & recovery XTAL #5 SIC Chan#20 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  9. R slope: XTAL #5 SIC Chan#20 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  10. Irradiation & recovery XTAL #24 SIC Chan#1 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  11. R slope: XTAL #24 SIC Chan#1 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  12. Irradiation & recovery XTAL #15 SIC Chan#10 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  13. R slope: XTAL #15 SIC Chan#10 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  14. Irradiation & recovery XTAL #20 SIC Chan#9 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  15. R slope: XTAL #20 SIC Chan#9 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  16. Irradiation & recovery XTAL #13 SIC Chan#12 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  17. R slope: XTAL #13 SIC Chan#12 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  18. Irradiation & recovery XTAL #3 SIC Chan#22 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  19. R slope: XTAL #3 SIC Chan#22 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  20. Irradiation & recovery XTAL #12 BCTP Chan#13 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  21. R slope: XTAL #12 BCTP “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  22. Summary R measurements “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  23. Loss e- versus dose XTal#15 XTal#24 XTal#5 XTal#21 “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  24. Neighbour XTALS R measurements “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  25. Dispersion of a “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

  26. Conclusions Bogo Crystals have fully recovered the first irradiation Irradiation#1 similar to irradiation#2 (offsets to be understand) a ~ 1.57 SIC Crystals recover very slowly Drop (Irradiation#2) < Drop ( irradiation#1) Mismatch Laser/Electron during recovery XTAL#15 a ~ 1.0 OK Dispersion = 11% (compare to 6% for bogo) “H4 test beam meeting” June 23rd 2004 / Patrice VERRECCHIA

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