Difference between revisions of "MainPage:Nuclear:NPS:PWO:CrystalLOG:CRYTUR01"
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| 07/15/2016 || Summer Students || Longitudinal Transmittance || Wavelength:200-800nm. | | 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 | + | | 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) | | 11/29/2016 || 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). | | 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'''. | ||
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[[File:CRYTUR LT.png|thumb|center|340px|Longitudinal transmittance measured at Lambda 750 (no integrating sphere).]] | [[File:CRYTUR LT.png|thumb|center|340px|Longitudinal transmittance measured at Lambda 750 (no integrating sphere).]] | ||
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| + | |} | ||
| + | {| border="0" style="text-align:center;" width="100%" | ||
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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|CRYTUR shown inside oven.]] | + | [[File:CRYTUR01_B.JPG|thumb|center|340px|CRYTUR shown inside oven for thermal annealing.]] |
| valign="top"| | | valign="top"| | ||
|} | |} | ||
== Light Yield == | == Light Yield == | ||
| + | {|border="0" style="text-align:center;" width="100%" | ||
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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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| + | [[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.]] | ||
| + | |} | ||
{|border="0" style="text-align:center;" width="100%" | {|border="0" style="text-align:center;" width="100%" | ||
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[[File:3432.png|thumb|left|340px| Run 3432 taken on 11/29/2016: LY as a function of position.]] | [[File:3432.png|thumb|left|340px| Run 3432 taken on 11/29/2016: LY as a function of position.]] | ||
| + | |} | ||
| + | {|border="0" style="text-align:center;" width="100%" | ||
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| valign="top"| | | valign="top"| | ||
[[File:3434 c00.png|thumb|left|340px|Run 3434 taken on 11/29/2016: Fit of histogram with ~1.4M events.]] | [[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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[[File:3434.png|thumb|left|340px| Run 3434 taken on 11/29/2016: LY as a function of position.]] | [[File:3434.png|thumb|left|340px| Run 3434 taken on 11/29/2016: LY as a function of position.]] | ||
|} | |} | ||
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== Additional Data/Info== | == Additional Data/Info== | ||
Latest revision as of 19:05, 8 January 2017
| ⇐ Back to Crystal LOG |
| ⇐ Back to Neutral Particle Spectrometer |
| ⇐ Back to the Main_Page |
Time LOG
| 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. |
