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GATING GEM

GATING GEM. GDD Meeting December the 17 th Gabriele Croci. Experimental Setup. 8.9 keV Copper X-Rays. Drift. A. 13 mm. E D. Preamp GEM. B. 2 mm. E T1. Gating GEM. C. 3 mm. E T2. Bottom GEM 1. 2 mm. E T3. Bottom GEM 2. 2 mm. E I. No PreAMP GEM Measurements. C. B. Pedestal.

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GATING GEM

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  1. GATING GEM GDD Meeting December the 17th Gabriele Croci

  2. Experimental Setup 8.9 keV Copper X-Rays Drift A 13 mm ED Preamp GEM B 2 mm ET1 Gating GEM C 3 mm ET2 Bottom GEM 1 2 mm ET3 Bottom GEM 2 2 mm EI

  3. No PreAMP GEM Measurements C B Pedestal

  4. No Pre GEM Scans

  5. PreAmp GEM Spectrum A B C Pedestal

  6. PreGEM Voltage Scan

  7. Gate GEM Scans with PG on

  8. ET1 Scans ΔVPreGEM = 400 V ΔVPreGEM = 380 V ΔVPreGEM = 420 V

  9. ED Scans ΔVPreGEM = 400 V ΔVPreGEM = 380 V ΔVPreGEM = 420 V

  10. Current Measurements Setup Drift 8.9 KeV X-Ray 13 mm ED Preamp GEM 2 mm ET1 Gating GEM VGGb = -100 3 mm ET2 = 0 Bottom GEM 1 2 mm ET3 = 0 Bottom GEM 2 2 mm EI = 0

  11. Ionization Current Measurement

  12. Pre GEM Voltage Scan

  13. Ed Scans

  14. ET1 Scans

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