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New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Category Subjectdown Text Attachments
  57   Thu Jun 13 02:05:04 2024 CarstenAcceleratorShort Lifetime at 100 mALifetime still is short  2024_06_13_229Th_Short_Lifetime3.png 
  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.
  
  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,
  
  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
  
  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 
  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? 
  
  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.
  
  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 
  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 
  25   Thu Jun 6 09:39:23 2024 CarstenDAQPreliminary Channel Table (DAQ1 and DAQ2)   ChannelList.pdfChannelList.odt 
  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
  
  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 
  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 
  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 
  54   Wed Jun 12 21:21:15 2024 YuriDetectorsNTCap startedFcenter - 244.6 MHz
BW - 10 MHz
  
  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.
  
  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 
  62   Thu Jun 13 12:37:14 2024 Ruijiu Chen, DavidAnalysisLifetime of beam in center of mass is 193 s.   Lifetime_of_beam.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 
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