Test Beam VPT II

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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. - PowerPoint PPT Presentation

Text of Test Beam VPT II

  • Test Beam VPT II H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASecond Irradiation (June 14th to 21st )A Laser Monitoring AnalysisFirst Irradiation (June 4th to 8th )Recovery followed by Laser VPT flashed continuously by laser at 100Hz

  • E0 matrix H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIARound #2

  • Rawz files sent to Monitoring farm prototypeQuality controlCorrections:non linearityTest pulses (mgpa and mem)Laser WidthMATACQ ready for useTemperature (delayed) Irradiation & Calibration AnalysisHodoscope not usedData treatmentH4 test beam meeting June 23rd 2004 / Patrice VERRECCHIAQuasi Real Time

  • Laser intensity control

    H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIADuring irradiation #2Start irradiation6%

  • Laser width control

    H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIADuring irradiation #2

  • Irradiation & recovery XTAL #21H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIABCTPChan#4

  • R slope: XTAL #21 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIABCTPChan#4

  • Irradiation & recovery XTAL #5H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#20

  • R slope: XTAL #5 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#20

  • Irradiation & recovery XTAL #24H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#1

  • R slope: XTAL #24 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#1

  • Irradiation & recovery XTAL #15H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#10

  • R slope: XTAL #15 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#10

  • Irradiation & recovery XTAL #20H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#9

  • R slope: XTAL #20 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#9

  • Irradiation & recovery XTAL #13H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#12

  • R slope: XTAL #13 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#12

  • Irradiation & recovery XTAL #3H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#22

  • R slope: XTAL #3 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIASICChan#22

  • Irradiation & recovery XTAL #12H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIABCTPChan#13

  • R slope: XTAL #12 H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIABCTP

  • Summary H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIAR measurements

    XTal #Channel#Total doseLoss (e-)a2149.56%1.5612132.82.6%1.585204.85%1.082417.54%1.015104.92%1.2095.13.5%1.13125.28.5%1.3223.17%1.04

  • Loss e- versus doseH4 test beam meeting June 23rd 2004 / Patrice VERRECCHIAXTal#21XTal#5XTal#24XTal#15

  • Neighbour XTALS H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIAR measurements

  • H4 test beam meeting June 23rd 2004 / Patrice VERRECCHIADispersion of a

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