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Time LOG
| Date | Experimenter(s) | Description | Comments |
|---|---|---|---|
| 03/17/2016 | Salina | Pictures | Documentation of crystal's conditions as it arrived at CUA. |
| 03/18/2016 | Salina | Thermal annealing | Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour. |
| 04/15/2016 | Salina | Light Yield | Run 3191: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 18.41 pe/MeV. |
| 05/17/2016 | Salina | Transverse Transmittance | At the center of the crystal, every nm from 200nm until 800nm. Sample: 1348 |
| 05/20/2016 | Salina | Transverse Transmittance Scan | Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s. |
| 07/07/2016 | Summer Students | Longitudinal Transmittance Scan | Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s. |
| 07/27/2016 | Summer Students | Light Yield | Run 3274. 300ns gw. >50,000 incidents ~3 layers of teflon tape ~1 layer of electrical. |
| 01/06/2017 | Rich/TH | Light Yield | 3 layers teflon, 2 layers black tape, run 3534, result: 8.07 pe/MeV. |
| 01/06/2017 | Rich/TH | Transverse Transmittance | before irradiation. |
| 01/06/2017 | Rich/TH | Transverse Transmittance | before irradiation. |
| 01/06/2017 | Rich/TH | Transverse+Longitudinal Transmittance | after irradiation. |
| 01/06/2017 | Rich/TH | Crystal accident - two pieces chip off at one end (see pictures below). | |
| 07/27/2017 | Summer Students | Transverse Transmittance Scan | Wavelengths: 200-800 nm. 10cm down. |
Pictures at 03/17/2016
LY dependence on T (updated 2/14/2017)
|
File:Xx.JPG LY dependence on T; ranging from -10oC to 18oC
|
