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ID Date Author Category Subject Text Attachments
  82   Fri May 27 14:57:23 2022 RodolfoLaserLaser EnergyI have started up the laser system (Q-Ray
& Cobra) again. Here some parameters*:
  
  83   Fri May 27 20:39:50 2022 CarstenAnalysisShort Manual for updated Go4 DAQ (version 2022_05_27)Short descriptions of the most recent version
of the GO4 code is attached. I will install
the corresponding vesion early on sunday.
 Short_Introduction_to_the_208Bi_Go4_Analysis.pdfShort_Introduction_to_the_208Bi_Go4_Analysis.odt 
  84   Mon May 30 00:56:33 2022 Max, PatrickLaserBeam overlapThe ion beam positions are (+- 1mm):

 2022-05-30_laser_beam.png2022-05-30_beamstab_settings.png 
  85   Mon May 30 01:13:40 2022 Konstantin, Max, PatrickDetectorsXUV-Detector voltage offXUV-Detector shows up to 100 kHz and, therefore,
was turned off.
  
  86   Mon May 30 02:12:20 2022 Max, Patrick, ~Konstantin, Ragan, KenRunsruns night shift 30.05.These are the first runs of the substitute
beamtime.
 2022-05-30_resonance_10_loops.png48_AM.png 
  87   Mon May 30 02:33:45 2022 Patrick, MBS MaxDAQMBS procedureIt is possible to keep go4 running now. Summary
of the procedure:
  
  88   Mon May 30 08:35:41 2022 Kristian, Simon, Ken, RaganDetectorsChanged PMT NorthWe did not see any signal at PMT North which
was the narrowband PMT. Changed it to the
old solar blind PMT. Now we see the resonance.
  
  89   Mon May 30 09:28:43 2022 Ken, Kristian, Simon, RaganDetectorsXUV-Detector9:27 XUV-Detector is running again.

-5V cathode, 8A main coil, 2.4A sec.coil
  
  90   Mon May 30 16:17:39 2022 Kristian, David, Wilfried, Carsten, Danyal, RodolfoRunsAfternoon shift 30.05These are the first runs after changing to
the thick stripper foil.
  
  91   Mon May 30 19:00:19 2022 CarstenGeneralScraper Settings and Parameters for the last measrements with thick targetold Bunch frequency: 1.98777 MHz

Positions PL devices:
 screenshot-2022-05-30_19-12-151030168345517073342_(002).png 
  92   Mon May 30 19:42:20 2022 Rodolfo & KristianLaserChanging laser wavelengthWe have changed the laser wavelength, e.g.
the dye for the Cobra to Fluorescein 27.
  
  93   Mon May 30 20:58:26 2022 CarstenAcceleratorNew Settings for 208Bi Beam Old SetParameters.C and old SetConditions.C
were saved as SetParameters_209.C and SetConditions_209.C
  
  94   Mon May 30 21:52:08 2022 Wilfried, Danyal, David, RodolfoGeneralPosition of T-ScrapersWe have determined the position of the H-like
208Bi ion beam using the T-Scrapers. The
position actually did not change in comparison
 MRC_208Bi_30-05-2022-10Uhr.png 
  96   Mon May 30 23:18:06 2022 Carsten, Rodolfo, Konstantin, Patrick, Ragan, Ken, Kristian, Max, DanyalRunsRuns shifts 31.05.These are the first runs with 208Bi.

[TABLE border="1"]
 2022-05-31_particles.png 
  97   Tue May 31 03:18:52 2022 Patrick, KonstantinLaserLaser timingThe final timings are (in bins +-1):

PD NO: 103
  
  98   Tue May 31 15:19:58 2022 Max, Carsten, DanyalGeneralscans for different E-cool currents
until 15:15 we have measured with I_e = 100
mA (3 loops per file) 
  
  99   Tue May 31 17:22:09 2022 Max, Carsten, Danyal, Rodolfo, WilfriedGeneralchange E-cooler current I_e = 50 mA
At 17:15 we changed again the E-cooler current
I_e = 50 mA  
  
  100   Tue May 31 19:32:56 2022 Carsten, Wilfried, MaxCalibrationelectron cooler calibration voltage - frequency[TABLE border="1"]
SetVoltage (DeltaU) | MeasVoltage | freq
| Current 
  
  101   Tue May 31 19:37:30 2022 Carsten, Max, WilfriedDetectorsSASZ and NASZ voltages switched offSASZ and NASZ voltages were switched off bevor
we went back to 209Bi. Laser beam stabilization
turned off.
  
  102   Tue May 31 19:59:49 2022 Carsten, DanyalAcceleratorchange in frequency mismatch 208Bi --> 209Bitime = 20:00 

The RF has been adjusted so that it bunches
  
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