Difference between revisions of "MainPage:Nuclear:NPS:PWO:CrystalLOG:CRYTUR01"

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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:10%;" | Date  
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:15%;" | Experimenter(s) 
 
! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:15%;" | Description  
 
! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:15%;" | Description  
 
! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:75%;" | Comments
 
! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:75%;" | Comments
 
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| xx/xx/2015 || Wrapped || Preparing for light yield measurement. Approximately 5 layers of teflon tape, and 2 layers of black tape.
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| xx/xx/2015 || Marco || Wrapped || Preparing for light yield measurement. Approximately 5 layers of teflon tape, and 2 layers of black tape.
 
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|-
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| xx/xx/2015 || LY scan || ...
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| xx/xx/2015 || Marco || LY scan || ...
 
|-
 
|-
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| 12/14/2015 || unwrapped || Preparing for annealing.
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| 12/14/2015 || Marco  || unwrapped || Preparing for annealing.
 
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| 12/14/2015 || Thermal annealing || Starting 11:00AM. Ramp up at 18oC/hour until 200oC, stay at 200oC for 10 hours, ramp down at -18oC/hour.
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| 12/14/2015 || Marco  || Thermal annealing || Starting 11:00AM. Ramp up at 18oC/hour until 200oC, stay at 200oC for 10 hours, ramp down at -18oC/hour.
 
|-
 
|-
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| 12/17/2015 || Marco  || Longitudinal Transmittance || After annealing.
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|-
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| 07/15/2016 || Summer Students  || Longitudinal Transmittance || Wavelength:200-800nm.
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|-
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| 08/11/2016 || Summer Students || LY scan || RUN:3411. Motor was lowered to approximately 5 cm down crystal. ~18oC. LY: 11.986 phe/MeV-
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|-
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| 11/18/2016 || Rich || Light Yield Scan || Run 3422: ~100 events; 10 cm crytur crystal wrapped with ~4 layers of teflon tape and 2 layers of black electrical tape. T=18°C. '''LY = 9.3978 pe/Mev ''' (see pictures below). Not enough runs? Note: the error bars used were not the 0.5 standard used previously, but instead the calculated uncertainty for each run.
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|-
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| 11/29/2016 || Salina || Light Yield Scan || Run 3432: ~100K events; 10 cm crytur crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. T=18°C. '''LY = 8.23 ± 1.08 pe/MeV'''. Not enough statistics? Need to re-run with more stats (see pictures below)
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|-
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| 11/30/2016 || Salina || Light Yield Scan || Run 3434: ~1.4M events; Re-run of 10 cm crytur crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. T=18°C. '''LY = 9.67 ± 0.53 pe/MeV''' (see pictures below).
 +
|-
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| 12/02/2016 || Rich  || Longitudinal Transmittance || Measured center of crystal before annealing.
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|-
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| 12/20/2016 || TH  || Light Yield || already wrapped crystal, run 3502 start at 20degC and with source at same location as for 20-cm long crystals, result: '''15.4 pe/MeV''', run 3503 (better thermally equlibrated): '''15.66 pe/MeV''', run 3504 is same as before, but with other end of crystal taped shut, result: '''14.76 pe/MeV''', run 3505 is same as 3504, but with the source aligned to crystal center using stepper motor, result: '''15.7 pe/MeV'''.
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|}
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== Transmittance measurements ==
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{| border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"|
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[[File:CRYTUR LT.png|thumb|center|340px|Longitudinal transmittance measured at Lambda 750 (no integrating sphere).]]
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| valign="top"|
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|}
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{| border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"|
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[[File:Crytur Trans.png|thumb|center|340px|Longitudinal transmittance measured at Lambda 750 (no integrating sphere).]]
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[[File:CRYTUR01_B.JPG|thumb|center|340px|xxxx.]]
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[[File:CRYTUR01_B.JPG|thumb|center|340px|CRYTUR shown inside oven for thermal annealing.]]
 
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|}
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== Light Yield ==
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{|border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"|
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[[File:3422 CountsADC.png|thumb|left|340px|Run 3422 taken on 11/18/2016: Fit of histogram with ~100K events.]]
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| valign="top"|
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[[File:3422 LYPos.png|thumb|left|340px| Run 3422 taken on 11/18/2016: LY as a function of position. Error bars based off calculatd uncertainty.]]
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|}
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{|border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"|
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[[File:3432 c00.png|thumb|left|340px|Run 3432 taken on 11/29/2016: Fit of histogram with ~100K events.]]
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| valign="top"|
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[[File:3432.png|thumb|left|340px| Run 3432 taken on 11/29/2016: LY as a function of position.]]
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|}
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{|border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"|
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[[File:3434 c00.png|thumb|left|340px|Run 3434 taken on 11/29/2016: Fit of histogram with ~1.4M events.]]
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| valign="top"|
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[[File:3434.png|thumb|left|340px| Run 3434 taken on 11/29/2016: LY as a function of position.]]
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|}
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== Additional Data/Info==
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{| border="0" style="text-align:center;" width="100%"
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|-
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| valign="top"| [[File:CRYT compare anneal both.png|thumb|center|340px|Graph showing CRYTUR crystal longitudinal measurements before annealing (red) and after annealing (green).]]
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| valign="top"| [[File:CRYT compare anneal diff.png|thumb|center|340px|Graph showing the difference of the CRYTUR crystal longitudinal measurements before and after annealing.]]
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|}
 
|}

Latest revision as of 19:05, 8 January 2017

⇐ Back to Crystal LOG
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Time LOG

CRYTUR 01
Date Experimenter(s) Description Comments
xx/xx/2015 Marco Wrapped Preparing for light yield measurement. Approximately 5 layers of teflon tape, and 2 layers of black tape.
xx/xx/2015 Marco LY scan ...
12/14/2015 Marco unwrapped Preparing for annealing.
12/14/2015 Marco Thermal annealing Starting 11:00AM. Ramp up at 18oC/hour until 200oC, stay at 200oC for 10 hours, ramp down at -18oC/hour.
12/17/2015 Marco Longitudinal Transmittance After annealing.
07/15/2016 Summer Students Longitudinal Transmittance Wavelength:200-800nm.
08/11/2016 Summer Students LY scan RUN:3411. Motor was lowered to approximately 5 cm down crystal. ~18oC. LY: 11.986 phe/MeV-
11/18/2016 Rich Light Yield Scan Run 3422: ~100 events; 10 cm crytur crystal wrapped with ~4 layers of teflon tape and 2 layers of black electrical tape. T=18°C. LY = 9.3978 pe/Mev (see pictures below). Not enough runs? Note: the error bars used were not the 0.5 standard used previously, but instead the calculated uncertainty for each run.
11/29/2016 Salina Light Yield Scan Run 3432: ~100K events; 10 cm crytur crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. T=18°C. LY = 8.23 ± 1.08 pe/MeV. Not enough statistics? Need to re-run with more stats (see pictures below)
11/30/2016 Salina Light Yield Scan Run 3434: ~1.4M events; Re-run of 10 cm crytur crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. T=18°C. LY = 9.67 ± 0.53 pe/MeV (see pictures below).
12/02/2016 Rich Longitudinal Transmittance Measured center of crystal before annealing.
12/20/2016 TH Light Yield already wrapped crystal, run 3502 start at 20degC and with source at same location as for 20-cm long crystals, result: 15.4 pe/MeV, run 3503 (better thermally equlibrated): 15.66 pe/MeV, run 3504 is same as before, but with other end of crystal taped shut, result: 14.76 pe/MeV, run 3505 is same as 3504, but with the source aligned to crystal center using stepper motor, result: 15.7 pe/MeV.

Transmittance measurements

Longitudinal transmittance measured at Lambda 750 (no integrating sphere).
Longitudinal transmittance measured at Lambda 750 (no integrating sphere).

Pictures at 12/14/2015

CRYTUR shown inside oven for thermal annealing.

Light Yield

Run 3422 taken on 11/18/2016: Fit of histogram with ~100K events.
Run 3422 taken on 11/18/2016: LY as a function of position. Error bars based off calculatd uncertainty.
Run 3432 taken on 11/29/2016: Fit of histogram with ~100K events.
Run 3432 taken on 11/29/2016: LY as a function of position.
Run 3434 taken on 11/29/2016: Fit of histogram with ~1.4M events.
Run 3434 taken on 11/29/2016: LY as a function of position.

Additional Data/Info

Graph showing CRYTUR crystal longitudinal measurements before annealing (red) and after annealing (green).
Graph showing the difference of the CRYTUR crystal longitudinal measurements before and after annealing.
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