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Time LOG

**SICCA J45**
Date	Experimenter(s)	Description	Comments
05/02/2016	Salina	Pictures	Documentation of crystal's conditions as it arrived at CUA.
05/02/2016	Marco	Thermal annealing	Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
05/19/2016	Marco	Transverse Transmittance	At the center of the crystal, every nm from 200nm until 800nm. Sample: 1362
05/20/2016	Marco	Transverse Transmittance Scan	Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s.
05/25/2016	Salina	Light Yield	Run 3220: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 15.38 ± 0.612 pe/MeV.
07/08/2016	Marco	Longitudinal Transmittance Scan	Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/26/2016	Summer Students	Run 3262. 3 layers of teflon tape, 1 layer of electrical tape. ~50,000 incidents
08/09/16	Summer Students	3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. 200ns gatewidth->1000ns gatewidth. 200ns: 3384, 300ns:3385, 400ns:3386, 500ns:3387, 600ns:3388, 700ns:3389, 800ns:3391, 900ns:3393, 1000ns:3289
08/11/2016	Summer Students	Light Yield	Run 3403. 3 layers of teflon tape, 1 layer of electrical tape. ~50,000 incidents. Light Yield: .