https://www.hep.ucl.ac.uk/pbt/pbtWiki/index.php?action=history&feed=atom&title=Proton_Calorimetry%2FExperimental_Runs%2F2020%2FOct23 2026-04-16T08:29:16Z Revision history for this page on the wiki MediaWiki 1.41.0 https://www.hep.ucl.ac.uk/pbt/pbtWiki/index.php?title=Proton_Calorimetry/Experimental_Runs/2020/Oct23&diff=3472&oldid=prev 2020-10-26T08:36:21Z

<p>Created page with &quot;23 Oct 2020 == LED injected light measurements == Setup: - scintillator sheets number from top to bottom in vice/enclosure sequence: 51, 31, 50, 52, 34, 44, 53, 47, 33, 54, 4...&quot;</p> <p><b>New page</b></p><div>23 Oct 2020<br /> <br /> <br /> == LED injected light measurements ==<br /> <br /> Setup: <br /> - scintillator sheets number from top to bottom in vice/enclosure sequence: 51, 31, 50, 52, 34, 44, 53, 47, 33, 54, 46, 42, 55, 45, 38, 36, 43, 32, 48, 41, 8, 39, 40, 37, 35, 49, 9 + other sheet as fillers<br /> - 16 Photodiodes covering the sheets sequence 42, 55, 45, 38, 36, 43, 32, 48, 41, 8, 39, 40, 37, 35, 49, 9. <br /> - Optical fibre used with optical gel to couple LED to scintillator sheet n. 8<br /> - painted side of the stack with fibre holes on top, PDs placed 90deg w.r.t. the injection side.<br /> <br /> Aim: Take large statistics runs to caracterise photodiodes.<br /> Plan is to insert light into sheet n. 8 and measure the light output with different photodiodes arrays, integration time and full scale. <br /> <br /> list of runs in this file unix/pbt/data/ucl/20201023/20201023_LEDandADCBoard.xlsx<br /> data saved in unix/pbt/data/ucl/20201023/<br /> <br /> {|class=&quot;wikitable&quot;<br /> !Run<br /> !LED Voltage (V)<br /> !LED Period (us)<br /> !Width (ns)<br /> !Sensor Full Well Mode<br /> !Illuminated sheet<br /> !DDC int time<br /> !DDC Full scale<br /> !DDC Board and photodiodes<br /> !Notes<br /> |-<br /> |1|| 4.5 || 1 || 300 || - || 8 || 170us || 350pC FSR || Saad&#039;s (PDs: S1337-16BR)|| <br /> |-<br /> |2|| 4.5 || 1 || 300 || - || 8 || 170us || 12.5pC FSR || Saad&#039;s (PDs: S1337-16BR)|| <br /> |-<br /> |3|| 4.5 || 1 || 300 || - || 8 || 170us || 200pC FSR || Saad&#039;s (PDs: S1337-16BR) <br /> |-<br /> |4|| 4.5 || 1 || 300 || - || 8 || 2000us || 350pC FSR || Saad&#039;s (PDs: S1337-16BR) <br /> |-<br /> |5|| 4.5 || 1 || 300 || - || 8 || 2000us || 200pC FSR || Saad&#039;s (PDs: S1337-16BR) <br /> |-<br /> |6|| 4.5 || 1 || 300 || - || 8 || 2000us || 50pC FSR || Saad&#039;s (PDs: S1337-16BR) <br /> |-<br /> |7|| 4.5 || 1 || 300 || - || 8 || 2000us || 50pC FSR || Raffy&#039;s (PDs: S12915-16R)|| Different PDs array <br /> |-<br /> |8|| 4.5 || 1 || 300 || - || 8 || 2000us || 200pC FSR || Raffy&#039;s (PDs: S12915-16R)|| <br /> |-<br /> |9|| 4.5 || 1 || 300 || - || 8 || 2000us || 350pC FSR || Raffy&#039;s (PDs: S12915-16R)|| <br /> |-<br /> |10|| 4.5 || 1 || 300 || - || 8 || 170us || 350pC FSR || Raffy&#039;s (PDs: S12915-16R)|| <br /> |-<br /> |11|| 4.5 || 1 || 300 || - || 8 || 170us || 200pC FSR || Raffy&#039;s (PDs: S12915-16R)|| <br /> |-<br /> |12|| 4.5 || 1 || 300 || - || 8 || 170us || 12.5pC FSR || Raffy&#039;s (PDs: S12915-16R)|| <br /> |-</div>

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