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  Nuclear hyperfine mixing in 229Th89+ 2024, all entries  Not logged in ELOG logo
ID Datedown 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
  
  58   Thu Jun 13 10:06:35 2024 Constantine, Peter, Lukas, Jonas, Dounia, CarstenAcceleratorSuspected Beam Troubles (is it really 229-Thorium?)From experience, the lifetime of the beam
in the storage ring should be on the order
of magnitude of hours, however, we observer
  
  57   Thu Jun 13 02:05:04 2024 CarstenAcceleratorShort Lifetime at 100 mALifetime still is short  2024_06_13_229Th_Short_Lifetime3.png 
  55   Wed Jun 12 22:48:55 2024 Carsten Beam HaloThe seamingly short live time reported in
[URL=https://elog.gsi.de/esr/E0052/53]entry
53[/URL] is due to a halo from a different
  
  54   Wed Jun 12 21:21:15 2024 YuriDetectorsNTCap startedFcenter - 244.6 MHz
BW - 10 MHz
  
  53   Wed Jun 12 18:48:43 2024 Afternoon shiftRunsFirst laser scans[TABLE border="1"]
Time | Part. Det. Int | ESR-intensity| cooler-HV
| LMD-DAQ1 Files | LMD-DAQ2 Files | scan
 2024_06_12_229Th_Lifetime_at_190MeV.png 
  51   Wed Jun 12 17:12:13 2024 Julian, Danyal, RodolfoLaserTiming für 229Th89+We did the timing Ion-Beam Laser-beam time
overlap. 
 Timing_229Th89_12-06-2024.JPG 
  49   Wed Jun 12 12:12:44 2024 Konstantin Mohr, Julien Spahn, Jonas Koedel, Bernhard MaassAcceleratorFirst Scraper ScanThorium is in the ESR, we have time to check
the beam position with the scrapers.
Beam Intensity in the ring 6E-5
 SpatialBeamOverlap.png 
  48   Wed Jun 12 09:43:57 2024 CarstenAcceleratorStopped NTCAP at 9:43Setup at ESR is carried on - stopped the long-time
NTCAP run from overnight,
  
  47   Wed Jun 12 09:17:43 2024 Carsten Tests of background with ionization pumps on (from monday)On monday the ionization pumps were switch
on to test the background, and if it is possible
to run with the pumps switched on.
 mit_IZ_trending_sued_alles(blind_durch_IZ).pngmit_IZ_trending_mitte_Nord_mit_Strahl.pngmit_IZ_trending_mitte_Nord_ohne_Strahl.pngmit_IZ_trending_mitte_Nord_alles.png 
  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 
  45   Tue Jun 11 23:46:06 2024 Carsten ))))AcceleratorID----
The frequency of the primary beam 238U82+
at the injection:
  
  44   Tue Jun 11 22:59:06 2024 CarstenAcceleratorIdentification / NTCAP startedESR is set-up in most parts.We are trying
to identify our 229Th89+. It is more cumbersome
then exspected because of the thick target
  
  43   Tue Jun 11 21:38:35 2024 Julian, Imke, RodolfoLaserWavemeter HeNe long time stabilityThe HeNe was running over night and the measured
laser frequency of the wavemeter was logged,
see picture.
 HeNe_LangeMessung_11-06-2024.JPG 
  42   Tue Jun 11 21:23:11 2024 Julian, ImkeGeneralHow to read out voltage1.) If not already opened, open the Medusa
Laser Control software, see picture:
2.) In the "view" submenu, choose "proteus
 medusa1.JPGmedusa3.pngmedusa4.png 
  41   Tue Jun 11 09:17:46 2024 Julien, Konstantin, LukasDAQImportant commands (DAQ1)To connect to the DAQ1 pc, open a terminal
and type:
 ssh atplaser@r4l-41
 SSH_Connection.pngMBS_Start.pngDAQ1_startup.pngRates.pngBildschirmfoto_2024-06-11_10-01-38.png 
  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 
  39   Mon Jun 10 09:17:38 2024 CarstenDAQUpdated Channel List   2024_06_10_ChannelList.pdfChannelList.odt 
  38   Mon Jun 10 08:57:35 2024 Carsten/KonstantinDAQFurther Tests from Sunday 2024-06-09 - new voltages and tresholds for PMTs - testdata in filesVoltages and thresholds increased for PMT
Middle and North (in order to account for
the ADC measurement in DAQ2
  
  37   Sun Jun 9 10:20:38 2024 Carsten/DanyalDetectorsRecap from yesterdays work with test beam (Detectors / beam /DAQ)In the ESR we had thw whole day (saturday)
a 400MeV/u bunched 238U92+ test beam (about
2 MHz). The RF signal is cabled as input
  
  36   Sun Jun 9 10:08:24 2024 Carsten/DanyalDetectorsParticle detectors - Recap of yesterdays work[B]South (behind cooler) - "SA_SZ" - DD2...[/B]
We have put the particle detecotr North to
the poistion behind the cooler (north) to
  
  35   Sat Jun 8 13:11:52 2024 CarstenGeneralPut the go4login in atplaser .bashrcPut the go4login in atplaser .bashrc in order
to avoid that one always has to go to the
go4 directory to set the environment variable.
  
  34   Sat Jun 8 12:45:05 2024 CarstenDAQTemporary change of RF signalThe setting was 1.540974 MHz and division
factor 68 (for a 200 MeV/u) beam, and the
signal was taken from a signal generator.
  
  33   Sat Jun 8 12:02:20 2024 CarstenDetectorsTest Particle Detectors - Det South not workingWith the test beam from ESR I started to have
a look at the PartDets.:
North outside: Works properly with a voltage
  
  32   Fri Jun 7 17:10:45 2024 SebastianGeneralXUV LEDMaximum XUV LED Voltage: 6.5V   
  31   Fri Jun 7 15:29:50 2024 RodolfoDetectorsStored beam @ ESROne of the first PMT signals from the stored-ion
beam @ ESR
 Storedbeam@ESR_2024-06-07_15-25-18.png 
  30   Fri Jun 7 11:14:04 2024 RodolfoLaserTrigger-signal for MRCWe are using a 2-Channel Function Generator
(from Textronik) to generate the trigger
signal for the MRC Beam Stabilization. 
 MRC_TriggerSignal_T1_06-06-2024.jpgMRC_TriggerSignal_T2_Tmin_06-06-2024.jpgGeneratorSettings_for_MRC_06-06-2024.jpgMRC_Parameters_06-06-2024_18-30.JPG 
  29   Fri Jun 7 09:15:31 2024 CarstenDAQUpdated Channel List   ChannelList.pdfChannelList.odt 
  28   Thu Jun 6 19:51:11 2024 CarstenAcceleratorESR crew left after persisting problems with ESR magnetsNo beam today.--.   
  27   Thu Jun 6 19:47:01 2024 CarstenDAQExchange of Mesytec CFD/shaper - noise on signal lines from ESR magnetsJan exchanged the Mesytec CFD/shper since
it could not be "remote controlled" anymore.
The new one has different shaping times and
  
  26   Thu Jun 6 19:42:20 2024 CarstenDetectorsExchange of amplifer channels / cables channels / HV voltage cables for PMT southIn order to check if the problem of regular
burst of pulses on the PMT south is related
to amplfier channels and or the HV cable,
  
  25   Thu Jun 6 09:39:23 2024 CarstenDAQPreliminary Channel Table (DAQ1 and DAQ2)   ChannelList.pdfChannelList.odt 
  24   Thu Jun 6 09:23:53 2024 Konstantin MohrDAQTimingThe best way to adjust the bunch-laser timing
is to start go4 (mbs must be running) from
atppc023. Therefore use x2goclient and use
 TimingSSH.pngDualTimer.jpegTimingAdjustment.JPG 
  22   Thu Jun 6 08:16:36 2024 DanyalAcceleratorscraper info by Robert Boywittattched is more info about the T-scrapers
(E-cooler) by Robert Boywitt (Tel: 2067 or
3357)
 Scraper_im_Cooler.pdfT_Scraper_ECEDS1__.PNGT_Scraper_ECEDS2__.PNGT_Scraper_ESR.JPEG 
  Draft   Thu Jun 6 07:54:15 2024 DanyalGeneralpressure gauges and ion pumps yesterday (05.06.2024), firstly, the two ion
pumps (underneath the fluorescence chamber)
were switched off by the vacuum group (Björn
  
  20   Thu Jun 6 07:12:49 2024 Konstantin MohrLaserT-ScraperThe T-Scrapers can be driven by DeviceControl,
which must be started from a console. To
do so, first open the app-launcher and then
 6x 
  19   Wed Jun 5 19:22:43 2024 Carsten, Konstantin, RodolfoDetectorsPMT tests and preliminary thresholdsFor all channels of the CAEN CFD the width
of the logic signal is set to 255ns (maximum)
to mitigate potential double pulses. For
 SolarBlind_ET_9422_SN1042.pdfVoltagePMTs_05-06-2024.jpg 
  18   Wed Jun 5 14:17:36 2024 CarstenAcceleratorDistance Cooler DetectorCalculation from Helmut Weick (copied from
E142)
Distance e-cooler to particle detectors chamber:
  
  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 
  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 
  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 
  14   Sun Jun 2 00:01:46 2024 CarstenDAQ25ps TDC CAEN V1290N DAQ2 lead to crash in DAQ2 due to a hardware issueOn the CAEN V1290N TDC the piggy board for
the lower 8 channels is not fixed well to
the motherboard.
  
  13   Sat Jun 1 19:19:07 2024 CarstenDetectorsReminder: Check signals in scope and in DAQ of detectors with voltages switched off (vs. CFD threshold)When the ion pumps and vacuum gauges are switched
off the scaler data of 
PMT_south, PMT_middle, PMT_north, PD_NO,
  
  12   Sat Jun 1 19:00:57 2024 CarstenDAQChange of (offline) frequency for common stop (CS) of VUPROMs (and 2nd TDC) and scaling factorTemporarily, for tests of the second DAQ I
changed the frequency from the frequency
generator and scaling factor  that is used
  
  11   Sat Jun 1 18:55:18 2024 CarstenAnalysisGo4 Analysis Version for DAQ1 (atplaser)Small enhancements and minor corrections /
bug fixes are made to the original version
of the online GO$ for DAQ1.
  
  10   Sat Jun 1 18:14:01 2024 CarstenAnalysisDAQ and analysis directories[U][B]DAQ1 (original):[/B][/U]
-user atplaser
-runs on lxg1297
  
  9   Sat Jun 1 18:00:20 2024 CarstenDAQReadOut Trigger im Timer Scaler changed because of faulty signal from frequency generatorOld readout trigger (~200 Hz) in 1MHz Scaler
showed two nearby peaks indicating a jitter
of the readout frequency or same faulty output
 ReadoutTrigger_from_FreqGen_2peaks.pngReadoutTrigger_from_Clock_1peak.png 
  8   Fri May 31 16:49:52 2024 CarstenDAQWiring DAQ 1Started to Check the wiring.

Status as of  2024-05-31
  
  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.
  
  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 
  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 
  4   Mon May 27 13:37:31 2024 JanDAQMesyTec Shaper ControlFor the 2nd DAQ the MesyTec Shaper ([URL=https://elog.gsi.de/esr/NucAR+lab/230418_110112/MesyTec_MSCF16-F-V.pdf]MSCF
manual[/URL]) is used as a spectroscopy amplifier
and CFD.
 Screenshot2_MSCFGUI.pngScreenshot3_MSCFGUI.png 
  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 
  2   Tue Apr 16 16:28:21 2024 DanyalGeneralGreatThanks Jan!   
  1   Tue Apr 16 14:42:37 2024 JanGeneralG-PAC Proposal   G-22-00052.pdf 
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