AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Entry time:
Fri Mar 31 17:21:56 2017
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00.46 34Ne stopped for 36Ne setting (R19_37). DAQ kept running as I was upstairs getting some food. Stopped at R19_45. 00.57 BigRIPS change to 36Ne setting. Start file 0196. Still tuning. Temps ok. Leakage currents and bias ok (see attachment 1). 01.32 R20 started on 36Ne setting. BigRIPS file 0197 (started @ 01.30). BRIKEN file 02.23 Beam stopped to F11. End of R20_12. 02.28 Beam returned to F11. Start of R20_14. BigRIPS file 0198. 02.48 BRIKEN file 48 started. Start of R20_19. All system checks passed except nnaida1 fails global clocks 6. Temps and leakage currents ok. 03:28 BigRips file 0199 (started at 03:27) AIDA at end file R20_28 BRIKEN file 47 started All system wide checks ok. Temps and leakage currents ok 04:36 BigRIPS file 0200 Coincides with end of AIDA file R20_46 BRIKEN file 48 All system wide checks ok Temps and leakage currents ok ASIC load check all ok 04:59 BigRips run 0201 (Started at 4:45) Corresponding AIDA file for start of BigRips run is R20_49 BRIKEN file 49 Corresponding AIDA file for start of BRIKEn is R20_52 05:33 System wide checks all ok Temperatures, biases and leakage currents ok (seet attachment 2) 05:44 BigRips start run 0202 Start of AIDA file R20_64 BRIKEN file 50 System wide checks passed 00.46 34Ne stopped for 36Ne setting (R19_37). DAQ kept running as I was upstairs getting some food. Stopped at R19_45. 00.57 BigRIPS change to 36Ne setting. Start file 0196. Still tuning. Temps ok. Leakage currents and bias ok (see attachment 1). 01.32 R20 started on 36Ne setting. BigRIPS file 0197 (started @ 01.30). BRIKEN file 02.23 Beam stopped to F11. End of R20_12. 02.28 Beam returned to F11. Start of R20_14. BigRIPS file 0198. 02.48 BRIKEN file 48 started. Start of R20_19. All system checks passed except nnaida1 fails global clocks 6. Temps and leakage currents ok. 03:28 BigRips file 0199 (started at 03:27) AIDA at end file R20_28 BRIKEN file 47 started All system wide checks ok. Temps and leakage currents ok 04:36 BigRIPS file 0200 Coincides with end of AIDA file R20_46 BRIKEN file 48 All system wide checks ok Temps and leakage currents ok ASIC load check all ok 04:59 BigRips run 0201 (Started at 4:45) Corresponding AIDA file for start of BigRips run is R20_49 BRIKEN file 49 Corresponding AIDA file for start of BRIKEn is R20_52 05:33 System wide checks all ok Temperatures, biases and leakage currents ok (seet attachment 2) 05:44 BigRips start run 0202 Start of AIDA file R20_64 BRIKEN file 50 System wide checks passed 6:15 Operators call...R20_72 1.5 GB The BigRIPS system display PC looks like it crashed 6:22 2017-04-01 06:21:19 BigRIPS run 203 starts AIDA run 20_74 is about 25% started BRIKEN run 51 6:40 Phone rings, AIDA run R20_79 just started Stripper foil seems to have been changed 6:43 2017-04-01 06:42:03 BigRIPS starts a new run R20_79 is 75% the way through. BRIKEN run 52 System checks passed. 7:09 PPACs are discharging very frequently. 7:39 counted 8 discharges. It's about once in four minutes. An acceptable discharge rate is several times in one shift. Firstly, each discharge damages the PPAC. Even 10 to 20 discharges can easily cause dead regions of cm size. Secondly, with the frequency of discharge, we are now missing like as much as 25% of all events (at least at a given PPAC) As the detector becomes more damaged, it can discharge more frequently. Moving the detector's position slightly can help to alleviate the problem by putting the beam on a fresh region Anyway, as for a parasitic run they can do whatever they want, but it seems they are mis-operating the PPACs Basically the voltage is too high or the detector is too old and needs to be replaced. 7:40 2017-04-01 07:40:12 BigRIPS run 205 begins AIDA run R20_94 is at 721 MB at 7:40 BRIKEN run 53 System-wide checks are okay 8:08 Bias and Temp attachments 3 & 4 (bias_1_.png and temp_1_a.png) 9:01 BigRIPS run 206 2017-04-01 09:01:06 AIDA run R20_115 is at 600 MB at 9:01 BRIKEN run is 54 System-wide checks 9:39 Now that the students went home and some more experienced beam physicists are on shift, the PPAC discharge rate goes down to ~2x per hour. 10:02 New BigRIPS run at 2017-04-01 10:01:40 number 0207 AIDA run R20_130 was at 1.9 GB at 10:02.. BRIKEN run 55 System-wide checks passed (I went upstairs for a break...it seems that the beam got turned off at some point) 10:55 Phone call, and I hear the chime for the beam coming back. 10:56 BigRIPS starts run 0208 2017-04-01 10:56:06 AIDA run R20_145 has just started at 10:56 BRIKEN run was not restarted and continued as run 55 System-wide checks are okay 11:02 We checked that the synchronization looks okay. 11:58 Noticed that BigRIPS started a new run at 2017-04-01 11:56:42, run 0209 AIDA run R20_160 should overlap about 50% with this run. BRIKEN run is 56 System wide checks performed. Attached are Biases and Temperatures as 5 & 6 ("bias_1_b" ; "temp_1_b") 12:58 BigRIPS starts run 0210 at 2017-04-01 12:57:21 AIDA run R20_176 was 422 MB at 12:57 BRIKEN 57 Pass system-wide checks 14:30 beam current has been fluctuating for awhile 14:50 BigRIPS started a new run 0212 2017-04-01 14:44:18 R20_203 was at 1.2 GB at 14:44 BRIKEN run 58 System checks okay 15:18 Phone rings. RF is down so the beam stopped. R20_212 is at 500 MB at 15:19 15:57 Phone rings again. 16:37 BigRIPS start run 0214 Start of AUDA file R20_232 BRIKEN run 59 System wide check all ok 16:53 Biases and leakage currents ok (See attachment 7) 17:36 BigRips start run 0215 Strt of AIDA file R20_247 BRIKEN start run 60 System wide checks all ok Temperatures all ok 18:04 BigRips stop to change gas stripper foil AIDA file R20_254 18:09 BigRips start run 0216 AIDA file R20_255 BRIKEN start file 61 System wide checks all ok 6:15 Operators call...R20_72 1.5 GB The BigRIPS system display PC looks like it crashed 6:22 2017-04-01 06:21:19 BigRIPS run 203 starts AIDA run 20_74 is about 25% started BRIKEN run 51 6:40 Phone rings, AIDA run R20_79 just started Stripper foil seems to have been changed 6:43 2017-04-01 06:42:03 BigRIPS starts a new run R20_79 is 75% the way through. BRIKEN run 52 System checks passed. 7:09 PPACs are discharging very frequently. 7:39 counted 8 discharges. It's about once in four minutes. An acceptable discharge rate is several times in one shift. Firstly, each discharge damages the PPAC. Even 10 to 20 discharges can easily cause dead regions of cm size. Secondly, with the frequency of discharge, we are now missing like as much as 25% of all events (at least at a given PPAC) As the detector becomes more damaged, it can discharge more frequently. Moving the detector's position slightly can help to alleviate the problem by putting the beam on a fresh region Anyway, as for a parasitic run they can do whatever they want, but it seems they are mis-operating the PPACs Basically the voltage is too high or the detector is too old and needs to be replaced. 7:40 2017-04-01 07:40:12 BigRIPS run 205 begins AIDA run R20_94 is at 721 MB at 7:40 BRIKEN run 53 System-wide checks are okay 8:08 Bias and Temp attachments 3 & 4 (bias_1_.png and temp_1_a.png) 9:01 BigRIPS run 206 2017-04-01 09:01:06 AIDA run R20_115 is at 600 MB at 9:01 BRIKEN run is 54 System-wide checks 9:39 Now that the students went home and some more experienced beam physicists are on shift, the PPAC discharge rate goes down to ~2x per hour. 10:02 New BigRIPS run at 2017-04-01 10:01:40 number 0207 AIDA run R20_130 was at 1.9 GB at 10:02.. BRIKEN run 55 System-wide checks passed (I went upstairs for a break...it seems that the beam got turned off at some point) 10:55 Phone call, and I hear the chime for the beam coming back. 10:56 BigRIPS starts run 0208 2017-04-01 10:56:06 AIDA run R20_145 has just started at 10:56 BRIKEN run was not restarted and continued as run 55 System-wide checks are okay 11:02 We checked that the synchronization looks okay. 11:58 Noticed that BigRIPS started a new run at 2017-04-01 11:56:42, run 0209 AIDA run R20_160 should overlap about 50% with this run. BRIKEN run is 56 System wide checks performed. Attached are Biases and Temperatures as 5 & 6 ("bias_1_b" ; "temp_1_b") 12:58 BigRIPS starts run 0210 at 2017-04-01 12:57:21 AIDA run R20_176 was 422 MB at 12:57 BRIKEN 57 Pass system-wide checks 14:30 beam current has been fluctuating for awhile 14:50 BigRIPS started a new run 0212 2017-04-01 14:44:18 R20_203 was at 1.2 GB at 14:44 BRIKEN run 58 System checks okay 15:18 Phone rings. RF is down so the beam stopped. R20_212 is at 500 MB at 15:19 15:57 Phone rings again. 16:37 BigRIPS start run 0214 Start of AUDA file R20_232 BRIKEN run 59 System wide check all ok 16:53 Biases and leakage currents ok (See attachment 7) 17:36 BigRips start run 0215 Strt of AIDA file R20_247 BRIKEN start run 60 System wide checks all ok Temperatures all ok 18:04 BigRips stop to change gas stripper foil AIDA file R20_254 18:09 BigRips start run 0216 AIDA file R20_255 System wide checks all ok 18:25 BRIKEN start file 61 AIDA file R20_259 BRIKEN had to restart the computer so a resync needed to be done 19:07 BigRips start file 0217 AIDA on file R2-_270 (End of file) BigRips reducing beam intensity to calibrate the beam current 19:12 Back to normal BigRips condition Al degrader 1mm is removed BigRips run 0218 (started at 19:11) AIDA file R20_271 BRIKEN start file 62 System wide checks ok 20:06 Bias and leakage currents ok Temperature ok 20:12 BigRips start run 0219 Start of AIDA file R20_287 BRIKEN starts file 64 System wide checks all ok ASIC load check ok 21:12 BigRips start run 0220 AIDA file R20_301 System wide checks ok BRIKEN starts file 65 22:12 BigRips stopped to change stripper foils End of AIDA file R20_315 22:20 BigRips start run 0220 End of AIDA file R20_317 System wide checks and temperatures ok BRIKEN start file 66 23:08 Biases and leakages ok 23:10 BigRips start run 0222 End of AIDA file R20_329 BRIKEN start file 67 System wide checks all ok
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Attachment 1:
bias_010417_0123.png
Original size: 1008x346
Attachment 2:
010417_bias1.png
Original size: 1012x345
Attachment 3:
bias_1_a.png
Original size: 1017x349
Attachment 4:
temp_1_a.png
Original size: 1483x671
Attachment 5:
bias_1_b.png
Original size: 1015x347
Attachment 6:
temp_1_b.png
Original size: 1477x682
Attachment 7:
010417_bias4.png
Original size: 1011x345
Attachment 8:
010417_bias5.png
Original size: 1011x344
Attachment 9:
010417_bias6.png
Original size: 1007x346
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