GEM performance data graphs
IAC runs
ADC is connected,
Beam On: run 5496 as the detector is on 13:31:11 13:47:18 run 5497 as the detector is off 13:52:51
| Run Number | Beam | Start Time | End time | Notes |
| 5496 | on | 13:31:11 | 13:47:18 | Detector is in operating voltage. |
| 5497 | on | 13:52: 51 | Detector is in off mode | |
| 5515 | off | 5:59: 46 | 6:27:43 | Detector is in operating voltage. |
| 5516 | off | 6:29:32 | 06:38:13 | Detector is in off mode |
| 5517 | off | 6:43:42 | 06:50:05 | shutter is close |
| 5518 | off | 06:55:59 | 07:06:57 | Detector is in operating voltage. |
| 5519 | on | 07:56:53 | Detector is in operating voltage. | |
| 5520,21,22 | on | 09:38:36 | Detector is in operating voltage. | |
| 5523 | on | 9:51:00 | 10:13:38 | Detector is in operating voltage. |
| 5524 | on | 10:14:35 | PMT is added to ADC ch#14 | |
| 5526 | on | 11:51:35 | 12:02:49 | PMT TDC ch#0 GEM ch#2 ADC ch# 12 GEM Ch#14 PMT |
| 5528 | on | 12:21:28 | 13:35:26 | |
| 5529 | on | 13:36:28 | 14:44:37 | |
| 5530 | on | 14:45:24 | 15:09:16 | |
| 5531 | on | 15:09:41 | 15:20:03 | |
| 5532 | on | 15:23:31 | 15:31:00 | |
| 5532 | on | 15:23:31 | 16:04:31 | |
| 5532 | on | 16:05:00 | 16:04:31 | |
| 5537 | on | 16:22:00 | 16:27:03 | |
| 5541 | on | 16:42:02 | 16:27:03 |
All the previous runs has a positive input to the ADC.
- Tuesday 07/30/13
| Run Number | Beam | Start Time | End time | Notes |
| 5593 | on | 15:55:04 | 16:29:20 | stable beam to the end of the run. |
| 5594 | on | 16:36:19 | 17:03:52 | stable beam to the end of the run. |
| 5595 | on | 08:28:09 | 08:45:19 | stable beam to the end of the run. |
| 5596 | on | 08:47:16 | 10:06:37 | stable beam to the end of the run. |
| 5603 | on but trasfered | 13:31:30 | 14:38:02 | shutter is close |
- Wednesday 08/21-22/13
- Detector voltage is 2300, 2800V GEM and Cathode successively. GEM has not any output to the TDC for 5773, 5774.
| Run Number | Beam | Start Time | End time | Notes |
| 5773 | on | beam on for 4-10s, overflow | ||
| 5774 | on | beam on for 4-10s shutter is close, beam energy is 7.5 MeV | ||
| 5775 | on | beam on for 4-10s shutter is open, beam energy is 7.5 MeV | ||
| 5776 | on | beam on for 4-10s shutter is open, beam energy is 7.5 MeV | ||
| 5777 | on | beam on for 4-10s shutter is close, beam energy is 7.5 MeV | ||
| 5778 | off | 19:54:17 | 6:00:00 | shutter is close 2.8, 3.4 G/C, Amp.6_6 |
| 5779 | off | 6:05:33 | shutter is open 2.8, 3.4 G/C, Amp.6_6 |
09/01/13
Detector voltage is 2.8, 3.4 kV for cathode and GEM.
| Run Number | Notes | |
| 5869 | shutter open x | |
| 5872 | shutter close x | |
| 5873 | shutter open x | |
| 5876 | shutter open x | |
| 5877 | shutter close x | |
| 5884 | shutter close 1 | 
|
| 5885 | shutter open 1 | 
|
09/05/13
| Run Number | Amp level | discriminator level | Notes | |
| 5925 | 50, 4 | 3.6 | shutter close | |
| 5926 | 50, 4 | 3.6 | shutter open | |
| 5927 | 100 | 3.6 | shutter open | |
| 5928 | 200 | 3.6 | shutter open, high amp level | |
| 5929 | 100, 10 | 3.6 | shutter open high amp level | |
| 5930 | 100, 7 | 3.6 | shutter open | |
| 5936 | 100, 7 | 0.1 | shutter open, noise peak channel 74 | |
| 5937 | 100, 7 | 0.1 | shutter open, V_cath = V_GEM,noise peak channel 74 | |
| 5948 | 100, 7 | 1.15 | shutter open, detector is on, no signal overlapping, reached to te signal highest rate, with almost 100% signal to noise ratio. |
The following run has the same setting as the last run, unless there is achange written in the notes.
Cath_3400 GEM_2800V
| Run Number | start time | end time | shutter | Notes |
| 5948 | 14:22:14 | 14:36:09 | open | |
| 5949 | 15:02:43 | 15:19:59 | open | |
| 5950 | 15:20:42 | 15:35:07 | open | r5951 and r5952 has the shutter close and integrate 1 |
| 5953 | 16:37:03 | 15:35:07 | close | integrate lower from 1 to 0.5,sthg strange happened, root does not show a picture and the rate increased suddenly to 450 Hz |
| 5957 | 09:01:07 | 09:25:12 | open | integrate 0.5 |
| 5959 | 09:30:21 | 09:55:15 | close | integrate 1 |
Cath_3350 GEM_2750V
| Run Number | start time | end time | shutter | Notes |
| 5960 | 09:58:42 | 10:30:28 | close | |
| 5961 | 10:30:49 | 11:11:50 | close | |
| 5962 | 11:13:03 | 11:28:21 | close | |
| 5963 | 11:32:44 | 11:58:39 | open | |
| 5964 | 11:59:17 | 12:21:59 | open | |
| 5965 | 12:22:24 | 12:42:38 | open |
|
Cath_3300 GEM_2700V
| Run Number | start time | end time | shutter | Notes |
| 5967 | 19:22:05 | 19:48:42 | open | |
| 5968 | 19:49:04 | 20:15:44 | open | |
| 5969 | 20:15:44 | 20:47:18 | open | |
| 5978 | 11:33:33 | 11:48:05 | close | |
| 5979 | 11:48:27 | 11:59:49 | close | |
| 5980 | 12:00:17 | 12:31:03 | close |
|
Cath_3250 GEM_2650V
| Run Number | start time | end time | shutter | Notes |
| 5972 | 20:52:15 | 21:15:18 | open | |
| 5973 | 06:43:29 | 07:29:57 | open | |
| 5974 | 07:30:49 | 08:17:48 | open | |
| 5975 | 08:23:58 | 09:30:48 | close | |
| 5976 | 09:33:58 | 10:42:48 | close | |
| 5977 | 10:43:11 | 11:31:26 | close |
|
Cath_3200 GEM_2600V
| Run Number | start time | end time | shutter | Notes |
| 5983 | 17:42:06 | 22:07:02 | close | |
| 5984 | 17:42:06 | 06:43:46 N | close | very low noise level |
| 5985 | 06:44:44 | 22:07:02 | close |
|
Cath_3150 GEM_2550V
| Run Number | start time | end time | shutter | Notes |
| 5954 | 16:55:52 | 08:44:23 N | close | integrate 1 rate changed from 1.2 Hz to 57 Hz due to increase the noise level overnight only. |
| 5966 | 12:44:21 | 19:15:35 | open |