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) 1:3 ; ratio = 3.00
- SiPM light guide F (layer 6) 9:23 ; ratio = 2.55
- SiPM light guide G (layer 7) 5:11 ; ratio = 2.2
- SiPM light guide H (layer 8) 9:16 ; ratio = 1.78
- SiPM light guide J (layer 9) 1:2 ; ratio = 2.00
- SiPM light guide K (layer 10) 11:21 ; ratio = 1.91
Third Column
- SiPM light guide A (layer 1) 1:2 ; ratio = 2.00
- SiPM light guide B (layer 2) 6:25 ; ratio = 4.17
- SiPM light guide C (layer 3) 8:15 ; ratio = 1.88
- SiPM light guide D (layer 4) 13:34 ; ratio = 2.62
- SiPM light guide E (layer 5) 2:5 ; ratio = 2.50
- SiPM light guide F (layer 6) 11:25 ; 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