Difference between revisions of "10/30/13 Mayir"
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- Detector voltage is 2750, 2650V GEM and Cathode successively. GEM QDC channel is CH5, TDC inputs: GEM is CH27, and scint. CH29. GEM gate width is 1.78 us, and TDC hits are all within 2um as shown in the picture. | - Detector voltage is 2750, 2650V GEM and Cathode successively. GEM QDC channel is CH5, TDC inputs: GEM is CH27, and scint. CH29. GEM gate width is 1.78 us, and TDC hits are all within 2um as shown in the picture. | ||
| + | |||
| + | QDC input was amplified using ORTEC filter amplifier with the following settings: x1, fine is 4, integration 50 and diff. 20 ns. | ||
[[File:TDC_hits.png | 200px]] | [[File:TDC_hits.png | 200px]] | ||
Revision as of 12:17, 8 November 2013
- Detector voltage is 2750, 2650V GEM and Cathode successively. GEM QDC channel is CH5, TDC inputs: GEM is CH27, and scint. CH29. GEM gate width is 1.78 us, and TDC hits are all within 2um as shown in the picture.
QDC input was amplified using ORTEC filter amplifier with the following settings: x1, fine is 4, integration 50 and diff. 20 ns.
| Run Number | Beam | Run time | pic | Notes |
| 6544 | on | 8' 10" | 
| |
| 6545 | on | 10' 12" | 
| |
| 6546 | on | 9' 8" | 
| |
| 6547 | on | 3'15" |  |
V_CAT = V_GEM |
| 6548 | on | 5' 32" |  |
V_CAT = 2850V |
| 6549 | on | 7' 56" |  |
V_CAT = 2850V |
| 6550 | on | 10'11" |  |
V_CAT = 2850V |
| 6551 | on | 3' 43" |  |
V_CAT = 2800V |
| 6552 | on | 3' 38" |  |
V_CAT = 2800V |
The data files measure the charge as the detector shutter is close.
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