| ID | 
Date | 
Author | 
Category | 
Subject | 
Text | 
  | 
| 
  79  
 | 
Wed Jun 26 11:59:12 2024 | 
Ruijiu, Shahab, Carsten | Analysis | Prepare plots for Thomas's presentation | data:
 
(env_OnlineDataAnalysisSystem) litv-exp@lxbk0497:/lustre/astrum/experiment_data/2024-05_E018/OnlineDataAnalysisSystem/data/iq/IQ_2024-06-
 
12_21-47-54$
 | 
 6x   | 
| 
  78  
 | 
Sat Jun 15 03:46:34 2024 | 
Night shift | Accelerator | GSI down | All quadrupole and dipole magnets at SIS and 
ESR are out of order. Repairs can be expected 
earliest tomorrow evening. No shifts will | 
   | 
| 
  77  
 | 
Fri Jun 14 14:44:51 2024 | 
Afternoon shift | Runs | Afternoon shift | Pizza shift
 
 
[B]the scan direction is from higher wavelength | 
   | 
| 
  76  
 | 
Fri Jun 14 13:14:29 2024 | 
Konstantin, Bernhard, Peter, Lukas | General | DAQ crashes at :10 | 10 Minutes past a full hour (XX:10) the windows 
PCs (sometimes) loose connection.
 
This causes the labview server & the laser | 
   | 
| 
  74  
 | 
Fri Jun 14 11:44:23 2024 | 
Carsten Brandau | Accelerator | Cooling Time in SC7 increased from 9s to 12s | Cooling Time in SC7 increased from 9s to 12s | 
   | 
| 
  73  
 | 
Fri Jun 14 06:38:41 2024 | 
Konstantin Mohr, Bernhard Maass, Peter Micke, Lukas Kau, Dounia Boudefla | Runs | Morning runs | Very successful shift, no crashes until 11:10
 
Previous night shift had problems with the 
pulse laser starting around 3am.
 | 
   | 
| 
  72  
 | 
Thu Jun 13 22:08:07 2024 | 
Dayshift | Accelerator | Problems with Accelerator? | It seems to be that there are some problems 
with the injections in the ESR.
 
The last 2 accumulation cycles showed that | 
      | 
| 
  71  
 | 
Thu Jun 13 18:48:26 2024 | 
Ruijiu Chen, David, Shahab, Yuri | Analysis | The ion identification of 229Th is correct. | Harmonic: 124.0 , Bp: 7.796046 [Tm]
 
ion            fre[Hz]                   
    yield [pps]    
 | 
     | 
| 
  70  
 | 
Thu Jun 13 18:38:24 2024 | 
Rodolfo Sanchez, Julian Palmes, Sebastian Klammes | Laser | Laser Dye change - new MRC settings - scraper checks of laser beam | We changed the dye at ~3pm.
 
 
After some fine adjustements of the laser | 
    | 
| 
  69  
 | 
Thu Jun 13 18:23:46 2024 | 
Julian | Laser | Restarting the laser controller | If the laser controller is locked up again, 
the little display will show an error message 
after an attempted medusa scan.
 | 
   | 
| 
  68  
 | 
Thu Jun 13 18:03:36 2024 | 
Afternoon shift | Runs | Continuation: First scans | [TABLE border="1"]
 
Time | Part. Det. Int | ESR-intensity| cooler-HV 
| LMD-DAQ1 Files | LMD-DAQ2 Files | scan | 
     | 
| 
  67  
 | 
Thu Jun 13 14:56:09 2024 | 
Stefan Schippers | Accelerator | Estimated beam lifetime: About  150 s | Estimate of storage lifetime using my code 
'hydrocal':
 
 | 
   | 
| 
  66  
 | 
Thu Jun 13 14:41:22 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 9:00~11:00 |   | 
    | 
| 
  65  
 | 
Thu Jun 13 14:35:27 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 7:00~9:00 |   | 
    | 
| 
  64  
 | 
Thu Jun 13 14:20:36 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 4:30:7:00 |   | 
    | 
| 
  63  
 | 
Thu Jun 13 13:29:47 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam during June 12 22:00- June 13 0:00 |   | 
    | 
| 
  62  
 | 
Thu Jun 13 12:37:14 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam in center of mass is 193 s. |   | 
    | 
| 
  61  
 | 
Thu Jun 13 12:05:31 2024 | 
Konstantin, Peter, Jonas | Accelerator | RF-amplitude | To realize the shortest bunches possible, 
we check the bunch length as a function of 
two different bunching amplitudes. With the | 
     | 
| 
  60  
 | 
Thu Jun 13 10:42:02 2024 | 
Danyal | General | Question | What is the ion beam lifetime, according to 
the DCCT and Schottky? 
 
Can somebody measure it, please? 
 | 
   | 
| 
  59  
 | 
Thu Jun 13 10:32:29 2024 | 
Konstantin | Accelerator | (Proper) Cooler settings | We change the acceleration voltage of the 
electron cooler and observe the platform 
high voltage and the count rate at the particle | 
   |