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  Nuclear hyperfine mixing in 229Th89+ 2024, Page 1 of 4  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Category Subject Text Attachments
  79   Wed Jun 26 11:59:12 2024 Ruijiu, Shahab, CarstenAnalysisPrepare plots for Thomas's presentationdata:
(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 shiftAcceleratorGSI downAll 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 shiftRunsAfternoon shiftPizza shift

[B]the scan direction is from higher wavelength
  
  76   Fri Jun 14 13:14:29 2024 Konstantin, Bernhard, Peter, LukasGeneralDAQ crashes at :1010 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 BrandauAcceleratorCooling Time in SC7 increased from 9s to 12sCooling 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 BoudeflaRunsMorning runsVery 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 DayshiftAcceleratorProblems with Accelerator?It seems to be that there are some problems
with the injections in the ESR.
The last 2 accumulation cycles showed that
 IMG_6064.jpgIMG_6065.jpgIMG_6066.jpg 
  71   Thu Jun 13 18:48:26 2024 Ruijiu Chen, David, Shahab, YuriAnalysisThe ion identification of 229Th is correct.Harmonic: 124.0 , Bp: 7.796046 [Tm]
ion            fre[Hz]                  
    yield [pps]    
 simulation_result.outLifetime_of_beam7.pdf 
  70   Thu Jun 13 18:38:24 2024 Rodolfo Sanchez, Julian Palmes, Sebastian KlammesLaserLaser Dye change - new MRC settings - scraper checks of laser beamWe changed the dye at ~3pm.

After some fine adjustements of the laser
 MRC-settings-13-06-2024-after-dye-change-at-3pm.JPG 
  69   Thu Jun 13 18:23:46 2024 JulianLaserRestarting the laser controllerIf 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 shiftRunsContinuation: First scans[TABLE border="1"]
Time | Part. Det. Int | ESR-intensity| cooler-HV
| LMD-DAQ1 Files | LMD-DAQ2 Files | scan
 2024_06_13_229Th_Lifetime_at_190MeV_afterscraping.png2024-06-13_23-13-55-242.png 
  67   Thu Jun 13 14:56:09 2024 Stefan SchippersAcceleratorEstimated beam lifetime: About 150 sEstimate of storage lifetime using my code
'hydrocal':
  
  66   Thu Jun 13 14:41:22 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 13 9:00~11:00   Lifetime_of_beam5.pdf 
  65   Thu Jun 13 14:35:27 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 13 7:00~9:00   Lifetime_of_beam4.pdf 
  64   Thu Jun 13 14:20:36 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 13 4:30:7:00   Lifetime_of_beam3.pdf 
  63   Thu Jun 13 13:29:47 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 12 22:00- June 13 0:00   Lifetime_of_beam2.pdf 
  62   Thu Jun 13 12:37:14 2024 Ruijiu Chen, DavidAnalysisLifetime of beam in center of mass is 193 s.   Lifetime_of_beam.pdf 
  61   Thu Jun 13 12:05:31 2024 Konstantin, Peter, JonasAcceleratorRF-amplitudeTo realize the shortest bunches possible,
we check the bunch length as a function of
two different bunching amplitudes. With the
 Bunching80mA_BucketFill_10.pngBunching80mA_BucketFill_08.png 
  60   Thu Jun 13 10:42:02 2024 DanyalGeneralQuestionWhat is the ion beam lifetime, according to
the DCCT and Schottky? 
Can somebody measure it, please? 
  
  59   Thu Jun 13 10:32:29 2024 KonstantinAccelerator(Proper) Cooler settingsWe change the acceleration voltage of the
electron cooler and observe the platform
high voltage and the count rate at the particle
  
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