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Time LOG
Date | Description | Comments |
---|---|---|
04/29/2016 | Pictures | Documentation of crystal's conditions as it arrived at CUA. |
04/29/2016 | Thermal annealing | Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour. |
05/15/2016 | Crystal Cracked | Crystal was slightly cracked toward the edges due to an accident. Some pieces of this crystal will be used to measure the chemical composition. |
05/19/2016 | Light Yield | Run 3214: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 14.7962 ± 0.575 pe/MeV. |
05/20/2016 | Transverse Transmittance | At the center of the crystal, every nm from 200nm until 800nm. Sample: 1366 |
05/20/2016 | Transverse Transmittance Scan | Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s. |