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  Nuclear hyperfine mixing in 229Th89+ 2024, Page 1 of 4  Not logged in ELOG logo
ID Date Authordown Category Subject Text Attachments
  54   Wed Jun 12 21:21:15 2024 YuriDetectorsNTCap startedFcenter - 244.6 MHz
BW - 10 MHz
  
  67   Thu Jun 13 14:56:09 2024 Stefan SchippersAcceleratorEstimated beam lifetime: About 150 sEstimate of storage lifetime using my code
'hydrocal':
  
  6   Wed May 29 10:54:21 2024 Shahab, JanGeneralGas Target Events with new timing systemUsing the new timing system, it is possible
to grab any events as pulses, but also as
long inter event gates under GENESYS. Many
 2024-05-29_11-07-40-259.pngIMG_0465.JPGIMG_0466.JPGIMG_0467.JPG 
  32   Fri Jun 7 17:10:45 2024 SebastianGeneralXUV LEDMaximum XUV LED Voltage: 6.5V   
  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 
  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 
  62   Thu Jun 13 12:37:14 2024 Ruijiu Chen, DavidAnalysisLifetime of beam in center of mass is 193 s.   Lifetime_of_beam.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 
  64   Thu Jun 13 14:20:36 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 13 4:30:7:00   Lifetime_of_beam3.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 
  66   Thu Jun 13 14:41:22 2024 Ruijiu Chen, DavidAnalysisLifetime of beam during June 13 9:00~11:00   Lifetime_of_beam5.pdf 
  7   Fri May 31 15:53:06 2024 Ruijiu ChenDAQrun NTCAP systemNTCAP is working again. 
Connect the RF cable and the scaler cables
to NTCAP system.
  
  40   Mon Jun 10 11:59:12 2024 Ruijiu ChenAnalysisThe ion identification of spectrum recorded on 2022The simulated frequency is given in simulation_result.out.
The yield is calculated by LISE file. The
LISE file is attached here also.
 simulation_result.outE142_TEline-ESR_229Th.lppThe_ion_identification_of_spectrum_recorded_on_2022_v2.pdf 
  46   Wed Jun 12 01:51:51 2024 RuiJiu, DavidAnalysisIDThe preliminary identification has been thoroughly
checked using the RionID software. We have
confirmed that the identification is accurate.
 E142_TEline-ESR_229Th.lppsimulation_result.out229Th89_124h.png229Th89_125h.png 
  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 
  3   Thu Apr 25 16:34:05 2024 RodolfoLaserEfficiency of Fluorescein27The figure below shows the efficiency of Fluorescein27
vs. Wavelength. Each point was averaged over
500 laser shots.
 Fluorescein27_Efficiency.png 
  5   Wed May 29 09:49:30 2024 RodolfoLaserLaser-beam profileUsing a telescope (Plan-concave lens -500
mm and Plan-convex lens +1000 mm) after the
pulsed-dye laser system we got the following
 Laserstrahl-at-EKühler_2024-05-03_#014.jpgLaserstrahl-at-EKühler_2024-05-03_Photo.jpg 
  15   Mon Jun 3 18:24:44 2024 RodolfoDetectorsPMT arrangementThe picture shows the actual configuration
of the PMTs.
 PMT_Arrangement_2024-06-03.jpgHV-Powersupply_PMTs_Thorium2024.jpg 
  16   Mon Jun 3 19:42:06 2024 RodolfoLaserLaser-beam through E-CoolerUV-laser beam is now going through the Electron-Cooler.

 LaserBeam-at-Screen_ESR-NO_08-06-2024.JPG 
  17   Tue Jun 4 22:54:02 2024 RodolfoDetectorsPMT - Manufacture - Test Result Data   PMT_9423B_SN652_ETEnterprises_UniGießen.pdfPMT_9423B_SN653_ETEnterprises_TUDA.pdfPMT9422_SN1049_Datenblatt.pdf 
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