HOME ESR EXPERIMENTS LABS etc
E121 E127 E132 E125 E143 laser_cooling_2021 E142 Ê128 E146 E0052 E0018 E0028 E0038
  Nuclear hyperfine mixing in 229Th89+, Page 4 of 12  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Categorydown Subject Text Attachments
  234   Fri Apr 15 12:53:25 2022 Max, DanyalLaserchecked laser pulse energy after change in wavelength rangeprevious scan range: 
the laser pulse energy @ 320.62 nm  was ~11
mJ 
  
  235   Fri Apr 15 20:43:18 2022 KonstantinLaserDye changedDye of the laser system has been changed.
UV laser power increased from ~8 mJ to 11
mJ pulse energy.
  
  237   Wed Apr 20 10:09:50 2022 RodolfoLaserOptic with spotsThe average energy produced by the laser along
the beamtime was about 10 mJ/puls. After
about two weeks of beamtime some of the optics,
 SHG_Compensator_mitFleck_19-04-2022.jpgUV_Umlenkspiegel_mitFleck_19-04-2022.jpg 
  3   Wed Jul 28 13:31:22 2021 RodolfoGeneralAir filtersFilters (Hepa-) inside the flow boxes have
been replaced.
 Flowbox_Filters.png 
  Draft   Wed Sep 8 21:44:55 2021 RodolfoGeneralPreparation[TABLE border="1"]
[B]Status[/B]|[B]Arbeitspaket[/B]|[COLOR=chocolate][B]Kommentare[/B][/COLOR]
|-
  
  29   Wed Mar 23 15:38:15 2022 CarstenGeneralNot all lights in the ESR can be switched offThree of the lights in the ESR cannot be switched
off. It seems that these lights are now "emergency
lights" (with battery?). We will need to
  
  63   Sat Apr 2 05:08:00 2022 KristianGeneralMorning shiftI see no updates in the log. Is the morning
shift taking place?
  
  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.
  
  106   Wed Apr 6 08:31:54 2022 Danyal & ReginaGeneralESR had some errorsRegina noticed that the ESR was "red" 

This means that there are some errors. 
  
  131   Thu Apr 7 08:14:03 2022 Yuri & DanyalGeneral229Th89+ line in Schottky GLOBAL calculations for the "content" of the
Th line in the Schottky spectrum
(380 MeV/u exit energy, equilibrium charge
  
  138   Thu Apr 7 14:04:36 2022 Paul IndelicatoGeneralno beam until 17:0010:10  There is a problem with the UNILAC.

The repair will take several hours. (4 hrs?)
  
  179   Sat Apr 9 05:00:11 2022 CarstenGeneralDraft Docs and cheat sheetPlease check the attached files,

and correct or enhance them.
 e142_daq2_cabling.odsDocumentation_for_beamtime_2022_.doc 
  207   Mon Apr 11 10:31:07 2022 Kristian, Sebastian, Alexandre, Danyal, PaulGeneralnew laser wavelength scan range 322.41 - 322.00 nmnew wavelength scan range is  322.41 - 322.00
nm 
  
  214   Mon Apr 11 22:33:16 2022 CarstenGeneralBackup of data to the external RAID disks    
  222   Tue Apr 12 21:56:54 2022 Volker, David, Pierre-Michel & Danyal, Alexandre, SebastianGeneralnew laser wavelength scan range 321.62 - 321.10 nmNew wavelength scan range is [B]321.62 - 321.10
nm[/B]. Before the new scan range (compare
old scan range in [URL=https://elog.gsi.de/esr/E142/215]
 Ecooler12VdropOn13_04_22_9_52am.pngEcooler18VEcoolerJumpOn13_04_22_13_18pm.png 
  233   Fri Apr 15 12:42:18 2022 Max, Danyal, Carsten, Konstantin, Patrick, SimonGenerallaser wavelength range changed: 320.12 - 319.60 nm
Runs of the morning/afternoon/night shift.
The wavelength range is now 320.12 - 319.60
 VoltageJump1830.PNG 
  84   Mon Mar 25 06:22:12 143 Ken UeberholzDetectorsXUV-Detector RatesCount rates were measured for the XUV-
detector for a full circle:
Cathode: -5V, shields: 0V, main coil 8A,
 Screenshot_20220404-000343_Gallery.jpgScreenshot_20220404-000327_Gallery.jpgScreenshot_20220404-000411_Gallery.jpg 
  8   Thu Oct 14 10:21:46 2021 RodolfoDetectorsDismounting Cu-MirrorWe have dismounted the parabolic Cu-Mirror
at ESR on 13.10.2021 
 AusbauCuSpiegel_2021.jpg 
  12   Thu Mar 3 17:21:26 2022 RodolfoDetectorsMgF2 WindowsNew reentrance viewports made of MgF2 have
been installed at the ESR "Optical Detection
Region". In the middle the old window (also
 ESR_Schaufenster_Spiegelkammer_10-02-2022.jpg 
  17   Wed Mar 16 12:04:40 2022 KristianDetectorsHV cable to particle detector SouthChecked HV cable to particle detector south.
Label is HV2 Scraper. 
  
ELOG V3.1.5-fc6679b