| ID | 
Date | 
Author  | 
Category | 
Subject | 
Text | 
  |  
| 
  135  
 | 
Thu Apr  3 23:42:05 2025 | 
Zhang, Zhou | General | Screenshots |   | 
        |  | 
  136  
 | 
Fri Apr  4 00:46:18 2025 | 
Zhang, Zhou | General | Screenshots |   | 
        |  | 
  138  
 | 
Fri Apr  4 01:41:48 2025 | 
Zhang, Zhou | General | Screenshots |   | 
        |  | 
  134  
 | 
Thu Apr  3 23:23:20 2025 | 
Zhang Min, Zhou Xu | Accelerator | Beam injection change | The SIS operator says that FRS doesn't need 
beam now, ESR will receive the full SIS beam 
extraction every 3 secs overnight. All the | 
    |  | 
  17  
 | 
Tue Apr  1 02:01:06 2025 | 
Zac, Shahab, Ruijiu, Yuri, Sergey, Wolfram, Carlo, Michael | Accelerator | Settings lost | Settings lost after the beam was lost. Trying 
to recover particle identification now that 
beam has returned. | 
   |  | 
  96  
 | 
Wed Apr  2 23:15:52 2025 | 
Zac, Johan | Accelerator | No injections from SIS | Night shift starts with no injections from 
SIS! We still have triggers; we called HKR 
and are waiting for response. | 
   |  | 
  97  
 | 
Wed Apr  2 23:27:35 2025 | 
Zac, Johan | Accelerator | Beam is back 23:25 |   | 
   |  | 
  100  
 | 
Thu Apr  3 00:49:00 2025 | 
Zac, Johan | General | Beam lost at 00:46 |   | 
   |  | 
  101  
 | 
Thu Apr  3 01:14:16 2025 | 
Zac, Johan | General | Beam is back at 01:12 |   | 
   |  | 
  102  
 | 
Thu Apr  3 01:19:44 2025 | 
Zac, Johan | General | Beam fluctuations | Beam gone again between 01:14 and 01:18, then 
again at 01:19. HKR says there are problems 
with the source. | 
   |  | 
  103  
 | 
Thu Apr  3 01:29:49 2025 | 
Zac, Johan | General | Beam is back at 01:27 |   | 
   |  | 
  104  
 | 
Thu Apr  3 01:56:57 2025 | 
Zac, Johan | General | Problems with one of the quadrupoles | Since around 01:45 we get spills but see nothing 
on analysers. HKR says there is a problem 
with one of the quadrupoles; they are working | 
   |  | 
  105  
 | 
Thu Apr  3 02:01:29 2025 | 
Zac, Johan | General | Quadrupole issues | HKR has called someone to fix the quadrupole, 
they think it will take about an hour. | 
   |  | 
  106  
 | 
Thu Apr  3 02:52:27 2025 | 
Zac, Johan | General | Beam is back at 02:52 |   | 
   |  | 
  109  
 | 
Thu Apr  3 05:11:37 2025 | 
Zac, Johan | General | Beam lost at 05:07, returned at 05:14 |   | 
   |  | 
  111  
 | 
Thu Apr  3 06:33:08 2025 | 
Zac, Johan | General | Beam lost at 06:27, returned at 06:34 | Spike in beam intensity at 06:27 (5x usual 
intensity) and then beam is lost. HKR says 
it's a problem with the magnet's power supply. | 
   |  | 
  63  
 | 
Wed Apr  2 04:59:50 2025 | 
Zac, Chris, Carlo | General | Receiving injections but not seeing anything on RSAs | Starting at around 04:09 we don't see anything 
on RSAs. RSAs are still triggering and writing 
files, but only see noise. Lassie indicates | 
     |  | 
  59  
 | 
Wed Apr  2 00:59:43 2025 | 
Zac, Carlo, Chris | Accelerator | Lost the beam | Beam was lost from 00:44 until 00:59 | 
   |  | 
  164  
 | 
Fri Apr  4 17:59:33 2025 | 
Zac , Sid | DAQ | 17:58 | DAQ stopped with last file in RSA1-2025.04.04.17.58.49.340.tiq
 
 
Now the plan is to change one of the analyzers | 
   |  | 
  42  
 | 
Tue Apr  1 15:32:59 2025 | 
Zac | DAQ | NTCAP Restarted | NTCAP Has been restarted (we restart every 
day around 15:00 so data goes in a new folder) | 
   |   
 |