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  nuclear two-photon decay 2024, Page 1 of 3  Not logged in ELOG logo
ID Datedown Author Category Subject Text Attachments
  45   Thu May 16 10:18:14 2024 Mayr, HannesRunsBeam backBeam is back since 10:10, but DAQ is turned
off to change the setting there.
Measurements starting at 10:18 are only test
  
  44   Thu May 16 09:41:56 2024 Mayr, HannesRunsNo beamNo beam from 09:39 to 10:10 due to a setting
change. The change aims to increase the measurement
time to 10s.
  
  43   Thu May 16 08:58:39 2024 Mayr, HannesRunsFluctuations in particle rateParticle rates are fluctuating and increasing
from a constant 5e8 to something around 1e9.
 2024-05-16_08-58-00-964_tcl1064.png 
  42   Thu May 16 07:50:39 2024 Mayr, HannesRunsPeaks with very high particle ratePeaks in the particle diagram going to unusual
high 1.4e9 particles.
 2024-05-16_07-49-53-757_tcl1064.png 
  41   Thu May 16 07:25:33 2024 Mayr, HannesRunsLassie Screenshot 07:23Start of regular screenshots of the Lassie
monitor every 1-2 hours.
 2024-05-16_07-23-30-208_tcl1064.png 
  40   Thu May 16 04:37:27 2024 Boguslaw, CamilleRunsNo beam to ESRWe had no beam in ESR for about 3 minutes  2024-05-16_04-38-44-446_tcl1064.png 
  39   Thu May 16 00:37:41 2024 Boguslaw, CamilleRunsInjection pattern changedThe injection pattern changed on Lassie monitor
(0:27 AM). (picture 1)
 2024-05-16_00-34-07-585_tcl1064.png2024-05-16_01-53-34-896_tcl1064.png2024-05-16_03-10-00-258_tcl1064.png 
  38   Wed May 15 23:04:32 2024 XinliangAnalysisElectron cooler dataThe cooler curve measured during May 14 afternoon.  20240515230302.pngdata_2024_-_sergey.xlsx 
  36   Wed May 15 20:40:51 2024 Jeroen, JohanRunsBeam returned to ESR20:39:42 Runs restarted.  2024-05-15_20-40-22-391_tcl1064.png2024-05-15_22-01-28-310_tcl1064.png 
  35   Wed May 15 20:17:20 2024 JeroenAcceleratorFewer spills from SIS18 then lost beamApparently fewer spills coming from SIS18,
see attached.
 2024-05-15_20-16-49-990_tcl1064.png2024-05-15_20-18-47-422_tcl1064.png 
  34   Wed May 15 19:45:44 2024 Helmut WeickAcceleratorCooler curves after beam shiftAfter the Beam position tuning but before
the scraper tuning two more cooler curves
were taken.
 curce_1.PNGcurce_2.PNGisoc_curves_15052024.xlsx 
  33   Wed May 15 19:20:32 2024 Helmut WeickAcceleratorscraper settingAfter the orbit correction on the target straight
section the scrapers work better.
One pair of scrapers works best:
 IMG_20240515_193017_HDR.jpgIMG_20240515_192644.jpgIMG_20240515_182802.jpg 
  32   Wed May 15 18:37:36 2024 Jeroen, Johan, ShahabRunsBeam returned to ESRBeam returned at 18:30:55. Taking data with
new triggers.
 2024-05-15_18-37-57-073_tcl1064.png 
  31   Wed May 15 17:47:34 2024 Jeroen, Johan, ShahabGeneralNew Trigger SetupWe changed the trigger setup, see attachment  2024-05-15_18-06-54-910.png 
  30   Wed May 15 17:45:09 2024 Jeroen, JohanGeneralNo beam to ESRBeam lost from SIS18 at 17:41:41.   
  29   Wed May 15 17:22:43 2024 Jeroen, Shahab, JohanRuns98Mo runBeam tuned at 4:50, data acquisition aligned
for 98Mo at 4:56.
  
  28   Wed May 15 16:55:10 2024 Jeroen, JohanGeneralTuning ESR scraper. Isomer resolved.4:50 Scraper tuned to produce Gaussian beam
profile for 98Mo. Isomer now clearly resolved.
  
  27   Wed May 15 13:39:10 2024 Beatriz, MinGeneralESR settingFrom 13:37 ESR will be changed again. Now
back to the primary beam, it will be attempted
to measure the orbit of the beam.
  
  26   Wed May 15 12:58:12 2024 Beatriz, Min, ShahabRunsoptimizing the mass resolutionYuri and Sergey still optimizing the mass
resolution.
  
  25   Wed May 15 11:59:32 2024 Beatriz, MinDAQFile transfer to lustre looks to be stoppedFile transfer to lustre looks to be stopped
at around 11:35AM
  
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