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ID Dateup Author Category Subject Text Attachments
  206   Mon Apr 11 10:17:01 2022 DanyalAcceleratorInterlock - reset 10:17 
Wie heutemorgen in der Sitzung (morning briefing)
vereinbart, 
  
  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 
  
  208   Mon Apr 11 11:05:35 2022 Sebastian, KristianLaserCheck laser powerwe checked the UV laser power at 10:15 am.
It was only 8.5 - 9 mJ. Pumping power was
460 mJ, which is the maximum output of the
  
  209   Mon Apr 11 12:50:22 2022 KristianAcceleratorTh lifetimeWe used the counter to measure the lifetime.
During the 30 min scan time dropped only
slowly. 
 ThLifetime.JPG 
  210   Mon Apr 11 14:45:11 2022 Paul, Konstantin, Sarper, DavidRunsAfternoon shift runs 11.04We continue scan the new wavelength scan range
is  322.41 - 322.00 nm 
  
  211   Mon Apr 11 18:46:31 2022 Rodolfo, Sarper and KonstantinLaserAlignment-checkWe cross-checked the laser-ion alignment.
The horizontal position was optimized. However,
 MRC_Konfiguration_MitMainAmp_04-11-2022.png 
  212   Mon Apr 11 18:57:18 2022 RodolfoLaserNew flashlampsWe (Sarper, Konstantin and me) have changed
the old flashlamps (with ~ 26 Mio. shots)
by new "fresh" ones. We have also exchange
 Blitzlampe_26Mio_Schüsse_11-04-2022.jpg 
  213   Mon Apr 11 22:14:51 2022 Konstantin, SarperLaserChanging of the wavelength rangeIt is planned to change the scan range of
the laser wavelength from 322.41 - 322.0
nm to 322.01 - 321.6 nm @ 4 a.m. 
  
  214   Mon Apr 11 22:33:16 2022 CarstenGeneralBackup of data to the external RAID disks    
  215   Tue Apr 12 04:43:29 2022 Alexandre, Kristian, SebastianRuns322.01 - 321.60 nm We scan the wavelength scan range is  322.01
- 321.60 nm 
 DriftingVoltage14-40.PNG 
  216   Tue Apr 12 12:41:20 2022 Alexandre, SebastianAcceleratorno beam in SIS18    
  217   Tue Apr 12 13:24:40 2022 Alexandre, SebastianDetectorsSideband in SchottkySometimes we see a broad sideband at lesser
schottky frequencies to the high intensity
thorium beam.
 IMG_20220412_125530_resized_20220412_125736155.jpgIMG_20220412_125643_resized_20220412_125736537.jpg 
  218   Tue Apr 12 14:11:52 2022 RaganDetectorsSideband in Schottky> Sometimes we see a broad sideband at lesser
Schottky frequencies to the high-intensity
thorium beam.
  
  219   Tue Apr 12 14:52:19 2022 RodolfoDetectorsPMT Nord, Middle. DatasheetsAttached are the datasheets for the solar-blind
PMTs.
 ET-Enterprises_DataSheets_PMT_9423-9422.pdf 
  220   Tue Apr 12 15:05:56 2022 RodolfoLaserLaser statusWe have checked the laser power at 14:15 *

- Pump energy after Q-Ray @ 532nm: 559 mJ.
  
  221   Tue Apr 12 17:01:30 2022 KonstantinDetectorsVoltage PMT NorthVoltage of PMT North has been increased from
2500 V to 2600 V. Additionally the threshold
was adapted from 25 mV to 12 mV.
  
  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 
  223   Wed Apr 13 14:29:04 2022 Carsten, Rodolfo, Sarper, David, Pierre-Michel, Max, SebastianRunsAfternoon - morning shift runs 13.+14.04.Changed the wavelength scan range from [B]321.62
- 321.10 nm[/B] to [B][B]321.12 - 320.60[/B]
nm[/B] after one scan.
 coolerProblemsAndFragments.JPGfragments.JPGBroaderIonBeam.JPGagainNormalWidth.JPG 
  224   Wed Apr 13 15:41:29 2022 Rodolfo & SarperLaserLaser statusWe have checked the power of the laser and
optimized it "a bit".
  
  225   Thu Apr 14 06:29:18 2022 Max, SebastianAcceleratorlesser ESR injection intensityWe now have less ESR injection intensity (see
screenshot attached).
 2022_04_14-lowCountRate-LesserESRInjection-SchottkyIntensity.JPG 
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