Mini-BCAL Update June 19, 2012
From GlueXWiki
Ratio
Near to far mV ratios of the twenty SiPM on Mini-BCAL.
Upstream in blue. Downstream in yellow. Trigger voltages set at 6.2V for SiPM 1-9 for both 2nd and third layer while the tenth SiPM trigger voltage recorded at 7.5V.
Second Column
- SiPM light guide A (layer 1) 1600:2000 mV ; ratio = 1.25
- SiPM light guide B (layer 2) 1700:2700 mV ; ratio = 1.59
- SiPM light guide C (layer 3) 1300:1600 mV ; ratio = 1.23
- SiPM light guide D (layer 4) 800:1800 mV ; ratio = 2.25
- SiPM light guide E (layer 5) 500:1500 mV ; ratio = 3.00
- SiPM light guide F (layer 6) 900:2300 mV ; ratio = 2.55
- SiPM light guide G (layer 7) 1000:2200 mV ; ratio = 2.2
- SiPM light guide H (layer 8) 900:1600 mV ; ratio = 1.78
- SiPM light guide J (layer 9) 700:1400 mV ; ratio = 2.00
- SiPM light guide K (layer 10) 1100:2100 mV ; ratio = 1.91
Third Column
- SiPM light guide A (layer 1) 600:1200 mV ; ratio = 2.00
- SiPM light guide B (layer 2) 700:2500 mV ; ratio = 3.57
- SiPM light guide C (layer 3) 800:1500 mV ; ratio = 1.88
- SiPM light guide D (layer 4) 650:1700 mV ; ratio = 2.62
- SiPM light guide E (layer 5) 600:1500 mV ; ratio = 2.50
- SiPM light guide F (layer 6) 550:1250 mV ; ratio = 2.27
- SiPM light guide G (layer 7) 4:9 ; ratio = 2.25
- SiPM light guide H (layer 8) 6:17 ; ratio = 2.83
- SiPM light guide J (layer 9) 7:15 ; ratio = 2.14
- SiPM light guide K (layer 10) 1:3 ; ratio = 3.00