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Time LOG

**SICCA J39**
Date	Experimenter(s)	Description	Comments
05/02/2016	Marco	Pictures	Documentation of crystal's conditions as it arrived at CUA.
05/02/2016	Marco	Thermal annealing	Ramp up at 18°C/hour up to 200°C. Stays for 10 hours and ramp down at 18°C/hour.
05/17/2016	Salina	Light Yield	Run 3210: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 13.947 ± 0.766 pe/MeV.
05/19/2016	Marco	Transverse Transmittance	At the center of the crystal, every nm from 200nm until 800nm. Sample: 1354
05/20/2016	Marco	Transverse Transmittance Scan	Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/07/2016	Marco	Longitudinal Transmittance Scan	Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/25/16	Summer Students	Light Yield	Run: 3254. 3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. Light Yield: 14.37 pe/MeV
07/29/16	Summer Students	Light Yield	3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. 200ns gatewidth->900ns gatewidth. 200ns: 3312, 300ns:3313, 400ns:3314, 500ns:3315, 600ns:3316, 700ns:3317, 800ns:3318, 900ns:3319, 1000ns:3289