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  masses & isomeres 2025, Page 6 of 8  Not logged in ELOG logo
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  60   Wed Apr 2 01:46:52 2025 Chris, Carlo, ZacGeneralBeam lossHKR just called to say a power supply to the
SIS18 extraction kicker has failed.
The service person has been called and is
  
  59   Wed Apr 2 00:59:43 2025 Zac, Carlo, ChrisAcceleratorLost the beamBeam was lost from 00:44 until 00:59   
  58   Wed Apr 2 00:08:57 2025 Ruijiu Chen,ShahabAnalysisthe peak corresponding to 194Pb⁸²⁺ was mixed with signals from some unknown ions.I examined the spectrum of 194Pb at the 211
harmonic. It was observed that the peak corresponding
to 194Pb82+ was mixed with signals 
 photo_2025-04-02_00-12-38.jpgphoto_2025-04-02_00-12-43.jpg 
  57   Tue Apr 1 23:56:18 2025 Shahab, Carlo, Zac, Yue, MichaelDAQChange of RSA01 settings for new harmonic=212.23:55 stop the RSAs. 

410:
  
  56   Tue Apr 1 23:23:18 2025 C GriffinGeneralPLEIADES removedLeakage currents were steadily increasing
in the PLEIADES detectors so we decided to
stop taking data, move both the detectors
  
  55   Tue Apr 1 23:07:15 2025 ShahabDAQshort interruption of queqiao script for RSAshas been restored.   
  54   Tue Apr 1 22:53:59 2025 EstherGeneralLassie exports   2025-04-01_22-53-17-548_tcl1146.png2025-04-01_22-53-21-680_tcl1146.tdf 
  53   Tue Apr 1 22:05:24 2025 Ruijiu Analysisanalysis resultThis is a preliminary result during 4:00-19:00
April 1st 2025. 
I correct the frequency drift of 194Pb82+
 202504012157.png202504012157.pdf202504012206.pngphoto_2025-04-01_22-43-41.jpg 
  52   Tue Apr 1 22:03:07 2025 Jeroen, Zac, Esther, Shahab, WolframDAQOptimisation of settingsEstimation of potential gain by changing.
Files from this points are going to rubbish.
Potential gains are c. 20% 
  
  51   Tue Apr 1 21:05:20 2025 Jeroen, Zac, Esther, Shahab, WolframDAQChange of settings for shorter acq. window> Acquisition stopped at 20:36. 

> First file from this setting: RSA01-2025.04.01.03.52.59.247.tiq
  
  50   Tue Apr 1 20:37:04 2025 JeroenDAQChange of settings for shorter acq. windowAcquisition stopped at 20:36. 

First file from this setting: RSA01-2025.04.01.03.52.59.247.tiq
  
  49   Tue Apr 1 20:19:23 2025 Jeroen, Zac, EstherAcceleratorBeam fell out> > No beam from 19:57:41.

> Beam back from 20:02
 2025-04-01_20-17-10-651_tcl1064.png 
  48   Tue Apr 1 20:02:19 2025 Jeroen, Zac, EstherAcceleratorBeam fell out> No beam from 19:57:41.

Beam back from 20:02
  
  47   Tue Apr 1 20:00:14 2025 Jeroen, Zac, EstherAcceleratorBeam fell outNo beam from 19:57:41.   
  46   Tue Apr 1 17:08:13 2025 JG, ID, MC, CGDetectorspleiades in positionThe pleiades detectors are now moved into
a position which does not disturb the stored
beam. 
  
  45   Tue Apr 1 16:47:32 2025 Ruijiu, Jan, ShahabAnalysisThe frequency of 194Pb82+ is changed to 408.600 MHz   Screenshot_2025-04-01_16-46-56.pngphoto_2025-04-01_16-54-20.jpg 
  44   Tue Apr 1 16:44:32 2025 Jeroen, EstherGeneralNo SIS beam since 14:35Beam resumed at 16:40.   2025-04-01_16-47-13-677_tcl1146.png2025-04-01_16-47-10-870_tcl1146.tdf 
  43   Tue Apr 1 15:38:50 2025 ruijiu chenAnalysisfrequency drift   Screenshot_2025-04-01_15-38-26_1.pngScreenshot_2025-04-01_15-41-47.png 
  42   Tue Apr 1 15:32:59 2025 ZacDAQNTCAP RestartedNTCAP Has been restarted (we restart every
day around 15:00 so data goes in a new folder)
  
  41   Tue Apr 1 14:54:24 2025 allGeneralNo SIS beam since 14:35    
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