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Time LOG
| Date | Description | Comments |
|---|---|---|
| 05/02/2016 | Pictures | Documentation of crystal's conditions as it arrived at CUA. |
| 05/02/2016 | Thermal annealing | Ramp up at 18°C/hour up to 200°C. Stays for 10 hours and ramp down at 18°C/hour. |
| 05/12/2016 | Light Yield | Run 3207: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 21.137 ± 0.793 pe/MeV. |
| 05/19/2016 | Transverse Transmittance | At the center of the crystal, every nm from 200nm until 800nm. Sample: 1361 |
| 05/20/2016 | Transverse Transmittance Scan | Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s. |
| 07/07/2016 | Longitudinal Transmittance Scan | Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s. |
| 07/25/16 | Light Yield | Run: 3251. 3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. Light Yield: 11.77226027 pe/MeV |
| 07/27/16 | Light Yield | 3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. 200ns gatewidth->1000ns gatewidth.
200ns: 3278, 300ns:3274, 400ns:3275, 500ns:3276, 600ns:3279, 700ns:3280, 800ns:3281,900ns:3282, 1000ns:3283 |
