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  Nuclear hyperfine mixing in 229Th89+, Page 9 of 12  Not logged in ELOG logo
ID Date Author Category Subject Text Attachments
  74   Sun Apr 3 10:28:25 2022 Yuri (Helmut Weick)AcceleratorDistance cooler - detectorCalculation from Helmut Weick
Distance e-cooler to particle detectors chamber:
“This is half of ESR plus distance target
  
  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 
  72   Sat Apr 2 23:16:55 2022 Carsten Cu mirror and CsI moved in and out of the ringKen tested the Cu-mirror and CsI disk Detector.
They move without a problem and don't scrape
the ion beam.
  
  71   Sat Apr 2 22:43:36 2022 Carsten Ring set-up for 229/89+, scraped and bunched, Iel=500mA at injection and 100mA during measurmentThe ring SIS/ESR were set up for 229/89+.
Pölease note that this not only 1e- Th but
ponteially also the isobars of Ac (0e-1)/Pa(2e-,
  
  70   Sat Apr 2 18:28:47 2022 Markus/BerndAccelerator SIS setting complete for fragments in ESR: 2022-04-02_18-09-10_SIS18_FAST_E142_20220325_110213.C1.txt # Version: 1.2 # Comment: ParamModi Export
at 2022-04-02T18:09:36.402593+02:00[Europe/Berlin]
# Context: SIS18_FAST_E142_20220325_110213.C1
  
  69   Sat Apr 2 18:19:47 2022 YuriAcceleratorScraping   trim.3539D818-8003-4093-866E-2C4F619E614F.MOV 
  68   Sat Apr 2 18:17:31 2022 YuriAcceleratorPhoto-IdentificationJust a photo of the ID  9FFA52AA-1F75-470E-AD1B-E1A612A3F7D6.jpeg 
  67   Sat Apr 2 17:47:16 2022 Ken Ueberholz  Telefon, GästehausMy guesthouse phone number: 06159-71-2957   
  66   Sat Apr 2 16:10:22 2022 Markus, BerndAcceleratorSIS setting complete, U90+ mit Be target: 2022-04-02_16-04-00_SIS18_FAST_E142_20220325_110213.C1.txt # Version: 1.2
# Comment: ParamModi Export at 2022-04-02T16:04:10.778077+02:00[Europe/Berlin]
# Context: SIS18_FAST_E142_20220325_110213.C1
  
  65   Sat Apr 2 15:54:32 2022 CarstenAcceleratorESR setup with primary beam and 1cm Be plate + Schottky data on NTCAPMArkus and Bernd have setup the ESR with the
thick stripper foil and put the ion beam
(238U92+) on the central orbit.
  
  64   Sat Apr 2 10:22:21 2022 Rui-Jiu Chen, RaganGeneralBeam is in the ESRPrimary beam is in the ESR now. Markus and
the team are tuning the ESR.
  
  63   Sat Apr 2 05:08:00 2022 KristianGeneralMorning shiftI see no updates in the log. Is the morning
shift taking place?
  
  62   Sat Apr 2 01:27:25 2022 Jan GloriusRunstest runs 02.04.2022Beam settings:
primary beam 
copper stripper
 setting_e142.1648855568 
  Draft   Sat Apr 2 01:02:39 2022 Carsten Test measurements with two DAQsWe do two measurements:

One measurement using the 
  
  60   Fri Apr 1 23:47:45 2022 CarstenDetectorsPMT thresholds / PMT north does not allow voltage abow ~ -1kVChecked thresholds of PMT with beam and without
beam.
  
  59   Fri Apr 1 23:12:37 2022 PatrickDetectorsScraper positions "only primary beam"
Scraper positions where there is only primary
beam for detector tests. Use only one outer
  
  58   Fri Apr 1 22:01:14 2022 KonstantinDetectorsPMT operating voltages> During the testing of the PMTs the following
operating voltages were applied:
  
  57   Fri Apr 1 18:30:38 2022 CarstenDetectorsPositions / Voltages threshlds for particle detectors[B]DC beam 238U92+ (205kV, e-beam)[/B]
We used the detector NA_SZ to determine the
central primary-beam (238U92+) position by
  
  56   Fri Apr 1 18:19:58 2022 KristianCalibrationHV dividerWe checked the strange behavior of the HV
dividers again. The Ohmlabs and the PTB divider
are in good agreement at 120 kV and 150 kV.
  
  55   Fri Apr 1 16:46:33 2022 CarstenDetectorsAll pressuzied air drives are tested now and are working properlyAll pressuzied air drives are tested now and
are working properly
  
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