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 ; ratio = 1.25
- SiPM light guide B (layer 2)
17:27 ; ratio = 1.59
- SiPM light guide C (layer 3)
13:16 ; ratio = 1.23
- SiPM light guide D (layer 4)
3:7 ; ratio = 2.33
- 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