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New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Category Subjectdown Text Attachments
  99   Tue Apr 5 14:51:51 2022 KristianDAQdark countsWe shielded the PMTs, i.e., the N2 tube, which
improved the Cu PMT background rate.
  
  234   Fri Apr 15 12:53:25 2022 Max, DanyalLaserchecked laser pulse energy after change in wavelength rangeprevious scan range: 
the laser pulse energy @ 320.62 nm  was ~11
mJ 
  
  94   Tue Apr 5 09:45:47 2022 Danyal & YuriAcceleratorbeam is back in the ESR - a slit was moved inAnd now also in English :) 

The ion beam is back in the ESR! 
  
  5   Fri Aug 6 10:23:00 2021 RodolfoDAQatplaser on r4l-41The user [B]atplaser[/B] is now existing on
the [B]R4L-XY[/B] nodes for the ESR group.
  
  15   Thu Mar 10 15:20:26 2022 Jan DAQanalog branch signal patches to Messhütte The additional signals from PMTs and XUV detector
needed for spectroscopic analysis in the
second DAQ are patched to AP Messhütte (MH)
 red_panel_ESR.jpgpulser_signal_ESR.jpgpulser_signal_MH.jpgdelay_ESR-MH-ESR.jpgcable_bundle_mirror_chamber.jpg 
  132   Thu Apr 7 08:43:19 2022 Danyal, Yuri, RaganAcceleratoragain no injection in ESR - ESR kicker problemwe had no injections in the ESR again 

it turned out that the injection kicker of
  
  197   Sun Apr 10 11:11:18 2022 Kristian, MaxLaseradditional WM readoutsince the WM readout still does not work reliably,
I started a python script at atppc023 that
saves timestamp and wavemeter frequency.
  
  116   Wed Apr 6 21:03:25 2022 Ken Ueberholz DetectorsXuv-Detektor, further information Some further information regarding the 
xuv-detector and its components.
 xuv_detektor.pdf 
  73   Sun Apr 3 00:41:45 2022 Ken Ueberholz  Xuv-Detektor Signale The Xuv-detector cabel channels seem to be

wrongly labeled in the Messhütte (see 
 20220403_004944.jpg 
  81   Sun Apr 3 15:34:34 2022 Ken Ueberholz  Xuv-Detektor CFD-treshholdI co controlled all detector signals and 
adjusted the threshold to be just above 
the noise. I will double check this when
  
  84   Fri Mar 25 06:22:15 135 Ken UeberholzDetectorsXUV-Detector RatesCount rates were measured for the XUV-
detector for a full circle:
Cathode: -5V, shields: 0V, main coil 8A,
 Screenshot_20220404-000343_Gallery.jpgScreenshot_20220404-000327_Gallery.jpgScreenshot_20220404-000411_Gallery.jpg 
  129   Thu Apr 7 05:55:17 2022 Ken UeberholzDetectorsXUV-Detector Mesytec crashWhen the XUV-detector has to shut down unexpectedly,
it can happen that the Mesytek power supply
crashes and can't be 
  
  229   Thu Apr 14 12:38:38 2022 SebastianDetectorsXUV / Cu checkupsCheck regularly if the connection to the XUV
and Cu detectors are still active and the
detectors move in (after injection) and out
  
  198   Sun Apr 10 13:17:53 2022 Kristian, MaxDAQWavemeter readoutWe changed the Labview code in order to reduce
the amount of data that was overfilling the
WM data queue. We removed the temperature
  
  194   Sun Apr 10 06:34:49 2022 Kristian, MaxDAQWavemeter ReadoutProblem solved. Ignore this entry

  
  160   Fri Apr 8 11:16:57 2022 KristianLaserWavemeterWe changed the fiber to the wavemeter. The
third fiber worked best and we could operate
the WM at low exposure times, i.e., below
 Wavemeter.PNGWavemeter2.PNG 
  180   Sat Apr 9 05:26:25 2022 PatrickLaserWavemeterThe wavemeter still shows large spikes from
time to time. The exposure time is still
at 34ms.
 2022-04-09_Wavemeter_during_scan5.png 
  2   Mon Jul 26 17:58:52 2021 RodolfoLaserWater FiltersThe water filters (deioninzing and particle)
have been replaced. 
 QRAY_DeionizingFilter.jpg 
  221   Tue Apr 12 17:01:30 2022 KonstantinDetectorsVoltage PMT NorthVoltage of PMT North has been increased from
2500 V to 2600 V. Additionally the threshold
was adapted from 25 mV to 12 mV.
  
  20   Fri Mar 18 09:18:38 2022 RodolfoAcceleratorVacuum leak, ODRAfter the beaking out process we got a vacuum
leak in one of the MgF2 windows (Referenz:
PMT South) of the optical detection region
 MgF2-Window_VACSeal.jpg 
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