| ID | 
Date | 
Author | 
Category | 
Subject  | 
Text | 
  | 
| 
  57  
 | 
Thu Jun 13 02:05:04 2024 | 
Carsten | Accelerator | Short Lifetime at 100 mA | Lifetime still is short | 
    | 
| 
  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.
 | 
   | 
| 
  13  
 | 
Sat Jun  1 19:19:07 2024 | 
Carsten | Detectors | Reminder: Check signals in scope and in DAQ of detectors with voltages switched off (vs. CFD threshold) | When the ion pumps and vacuum gauges are switched 
off the scaler data of 
 
PMT_south, PMT_middle, PMT_north, PD_NO, | 
   | 
| 
  37  
 | 
Sun Jun  9 10:20:38 2024 | 
Carsten/Danyal | Detectors | Recap from yesterdays work  with test beam (Detectors / beam /DAQ) | In the ESR we had thw whole day (saturday) 
a 400MeV/u bunched 238U92+ test beam (about 
2 MHz). The RF signal is cabled as input | 
   | 
| 
  9  
 | 
Sat Jun  1 18:00:20 2024 | 
Carsten | DAQ | ReadOut Trigger im Timer Scaler changed because of faulty signal from frequency generator | Old readout trigger (~200 Hz) in 1MHz Scaler 
showed two nearby peaks indicating a jitter 
of the readout frequency or same faulty output | 
     | 
| 
  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? 
 | 
   | 
| 
  35  
 | 
Sat Jun  8 13:11:52 2024 | 
Carsten | General | Put the go4login in atplaser .bashrc | Put the go4login in atplaser .bashrc in order 
to avoid that one always has to go to the 
go4 directory to set the environment variable.
 | 
   | 
| 
  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 | 
      | 
| 
  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   | 
| 
  25  
 | 
Thu Jun  6 09:39:23 2024 | 
Carsten | DAQ | Preliminary Channel Table (DAQ1 and DAQ2) |   | 
     | 
| 
  36  
 | 
Sun Jun  9 10:08:24 2024 | 
Carsten/Danyal | Detectors | Particle detectors - Recap of yesterdays work | [B]South (behind cooler) - "SA_SZ" - DD2...[/B]
 
We have put the particle detecotr North to 
the poistion behind the cooler (north) to | 
   | 
| 
  19  
 | 
Wed Jun  5 19:22:43 2024 | 
Carsten, Konstantin, Rodolfo | Detectors | PMT tests and preliminary thresholds | For all channels of the CAEN CFD the width 
of the logic signal is set to 255ns (maximum) 
to mitigate potential double pulses. For | 
     | 
| 
  15  
 | 
Mon Jun  3 18:24:44 2024 | 
Rodolfo | Detectors | PMT arrangement | The picture shows the actual configuration 
of the PMTs.
 
 | 
     | 
| 
  17  
 | 
Tue Jun  4 22:54:02 2024 | 
Rodolfo | Detectors | PMT - Manufacture - Test Result Data |   | 
      | 
| 
  54  
 | 
Wed Jun 12 21:21:15 2024 | 
Yuri | Detectors | NTCap started | Fcenter - 244.6 MHz
 
BW - 10 MHz | 
   | 
| 
  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.
 | 
   | 
| 
  4  
 | 
Mon May 27 13:37:31 2024 | 
Jan | DAQ | MesyTec Shaper Control | For the 2nd DAQ the MesyTec Shaper ([URL=https://elog.gsi.de/esr/NucAR+lab/230418_110112/MesyTec_MSCF16-F-V.pdf]MSCF 
manual[/URL]) is used as a spectroscopy amplifier 
and CFD.
 | 
     | 
| 
  62  
 | 
Thu Jun 13 12:37:14 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam in center of mass is 193 s. |   | 
    | 
| 
  66  
 | 
Thu Jun 13 14:41:22 2024 | 
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 9:00~11:00 |   | 
    |