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  nuclear two-photon decay 2024, all entries  Not logged in ELOG logo
ID Datedown Author Category Subject Text Attachments
  114   Tue May 21 11:09:15 2024 YuriGeneralLogbook for beam tuning.The version with better resolution is on our
wiki page.
[URL=https://wiki.gsi.de/pub/ESR_EXP/E0018Experiment/20240521_logbook3.pdf]https://wiki.gsi.de/pub/ESR_EXP/E0018Experiment/20240521_logbook3.pdf[/URL]
 20240521_logbook3.pdf 
  113   Tue May 21 08:50:06 2024 YuriAcceleratorEoBEnd of beamtime!
Request is out.
Scrapers are removed, slits in the TE line
  
  112   Tue May 21 03:27:21 2024 K.Takiura Y.KikuchiRunsBeam back03:26 Beam is back.   
  111   Tue May 21 03:07:58 2024 K.Takiura Y.KikuchiRunsNo beam03:07 Beam is down.   
  110   Mon May 20 14:02:03 2024 Jelena, Oliver, ShahabDAQRetune 245 MHzMew numbers for 245 MHz plunger is 190 (both)   
  109   Mon May 20 13:31:09 2024 Jelena, Oliver, ShahabGeneralNew setting focussing on 96-Srplunger 150 for 250
plunger 48 for 410 
  
  108   Mon May 20 13:26:55 2024 Jelena, Oliver, ShahabGeneralPlunger valuesplunger 150 for 250
plunger 48 for 410 
  
  107   Mon May 20 09:01:51 2024 Oliver, JelenaGeneralShift newsData collection runs smooth so far.

Yuri Litvinov will start modifying SP magnets
  
  106   Mon May 20 09:01:14 2024 YuriAcceleratorModify SP magnetsIn attempt to remove double-peak structure,
we will modify the SP magnets
START: 9:02
  
  105   Mon May 20 05:32:17 2024 Gregor, CaglaAcceleratorShort beam interruptionWe lost the beam for ~2min at (from ~5:28
till ~5:30). Everything seems to be back
at the same state.
  
  104   Sun May 19 17:48:15 2024 xing xu, hongfu, shahabRunsBeam backbeam is back, first file 17:47   
  103   Sun May 19 15:13:48 2024 xing xu, hongfuRunsNo beambeam is down 14:45. Problem with UNILAC. may
take an hour.
  
  102   Sun May 19 14:17:57 2024 Shahab, Kanika,hongfu li,xing xuDAQcenter frequency change for 96Sraiming for 96-Sr:

  
  101   Sun May 19 14:11:29 2024 Yuri, SergeyAcceleratorSextupolesat 13:00
scrapers in the ESR are moved to block the
most outside orbits
  
  100   Sun May 19 12:04:55 2024 KanikaAcceleratorBeam backThe beam is back.   
  99   Sun May 19 11:02:49 2024 Xu Zhou, Yuhu Zhang, KanikaAcceleratorthe beam is pausedThe beam is paused and HHT team needs to enter
the ring.
  
  98   Sat May 18 16:45:15 2024 Helmut, YuryAcceleratorsetting for 96Sr (98Y)To have a few more lines the setting actually
is not on 96Sr directly, but on 98Y39+.
98Y is also the one set to be isochronous.
 TEline-ESR-100Mo_98Y.lpp2024-05-18_17-03-55_ESR_ISO_13May24_98Y.C1.txt2024-05-18_17-05-31_SIS18_FAST_ESR_100Mo_13May24_98Y.C1.txt 
  97   Sat May 18 16:29:15 2024 Filip, Taka, ShahabRunsGood operation screen shot   2024-05-18_16-27-32-898.png 
  96   Sat May 18 16:21:30 2024 Taka, Filip, ShahabDAQDAQ start16:21 DAQ restart for 96Sr

Acq. time 300 ms, 50 MS/s, span 25 MHz
  
  95   Sat May 18 15:26:46 2024 Taka, FilipDAQDAQ stop15:20 RSA DAQ stop -> Sr setting   
  94   Sat May 18 14:43:59 2024 YuriAcceleratorReduce intensity, 98Mo42+reduce intensity
eexds2ha 7mm --> 9 mm
e02ds3hg -69 mm -- stays
  
  93   Sat May 18 13:13:45 2024 Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, Shahab CalibrationShorter shots with 98 Monow making shorter shots with 98-Mo
3 seconds each
50 MSPS
  
  92   Sat May 18 13:07:23 2024 Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, Shahab DAQLong measurements 100-MoPrimary beam two shots, each 10 seconds 

13:06 --> RSA01-2024.05.18.13.05.41.969.tiq,
  
  91   Sat May 18 12:31:45 2024 Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, ShahabDetectorsCooler Curve measurementsCooler curve measurement, Primary Beam 100
Mo
  
  90   Sat May 18 02:22:30 2024 Helmut WeickAcceleratorpaper log book pages 17.05.2024until we lost the beam in the night.  IMG_20240518_021647.jpgIMG_20240518_021654.jpgIMG_20240518_032227.jpg 
  89   Sat May 18 02:04:38 2024 Yoshi, OhnishiDAQRSA01 runRSA01 was stopped from 19:25, it restart now.   
  88   Sat May 18 01:57:44 2024 WeickAccelerator96Sr isoc settingWe fist verified the ESR after a crash with
the 98Zr setting, was fine good resolution,
 TEline-ESR-100Mo_96Sr.lpp 
  87   Sat May 18 00:37:52 2024 Helmut, Wolfram, Shahab, David, XinliangRunsSIS beam gone    
  86   Sat May 18 00:37:21 2024 Helmut, Wolfram, Shahab, David, XinliangRunsTrying to get back to Zr setting    
  85   Sat May 18 00:15:44 2024 Yoshi, OhnishiGeneralBeam backBeam is back, but it stopped again at 0:17......  2024-05-18_00-16-05-529_tcl1064.png2024-05-18_00-20-39-639_tcl1064.png 
  84   Sat May 18 00:06:56 2024 ShahabRunsHHT people out againwe try to re run the ESR. ESR behaves very
strangely. Something not so right.
  
  83   Fri May 17 23:30:16 2024 ShahabGeneralHHT people insideno beam since about one hour, also HHT people
inside since about 10 min.
  
  82   Fri May 17 23:14:51 2024 Yoshi, OhnishiGeneralshift startedJust test  2024-05-17_23-15-51-921_tcl1064.png2024-05-17_23-18-18-714.png 
  81   Fri May 17 22:48:14 2024 Jelena BAcceleratorBack to old settingWe go back to the Zr-settings to make a deffinite
state of ESR and we move again to previous
setting (Sr) 
  
  80   Fri May 17 22:43:11 2024 Jelena B, Zsolt P.AcceleratorESR_e.cooler are backWe have back ESR and we have a fixed issue
with a cooler. 
 ESR_back_with_e.cooler.png 
  Draft   Fri May 17 22:38:30 2024 Jelena B, Zsolt P. ESR + e.cooler are backWe have back ESR and fixed issue with a cooler.
  
  78   Fri May 17 22:06:05 2024 Jelena B, Zsolt P.AcceleratorESRESR is down  ESR_down.png 
  77   Fri May 17 21:56:58 2024 Jelena B, Zsolt P.AcceleratorOptimizing settingWe are optimizing setting for 96Sr
start time: 21:52
  
  76   Fri May 17 21:44:39 2024 Jelena B, Zsolt P.GeneralBeam issuesWe do not have beam, and we have some instability
during last 1-1.5 hour. 
  
  75   Fri May 17 20:33:43 2024 Jelena B, Zsolt P.GeneralBeam returned to FRSWe have again beam at FRS..
But we are taking still cycles on a same
way as before...and discussing to go back
  
  74   Fri May 17 19:43:03 2024 Jelena B, Zsolt P., Shahab, DavidAnalysis+ Beam issuesImportant - analysis 
-> we are trying to get PID with a new setting
to see if 98Zr decays with 30s half-life
 beam.png 
  73   Fri May 17 17:50:49 2024 Jelena B, Zsolt P., ShahabDAQnew trigger eventsFrom 17:49 we have super short trigger. -
see attached setting! 
 new_style_trigger.png 
  72   Fri May 17 17:09:26 2024 Helmut, YuryAcceleratorapprox. 96Sr setting (98Zr39+)Only 96Sr would yield very few line with only
ions from time to time.
So we went a bit lower in Brho 7.69 Tm ->
 TEline-ESR-100Mo_98Mo39.lpp 
  71   Fri May 17 17:08:24 2024 Jelena B, Zsolt P.RunsNew setting from 5p.m. NEW SETTING 

All runs from 17:00 are with new setting,
  
  Draft   Fri May 17 17:03:39 2024 Helmut, YuryAcceleratorapprox. 96Sr settingOnly 96Sr would yield very few line with only
ions from tiem to time.
So we went a bit lower in Brho 7.69 Tm ->
  
  69   Fri May 17 16:42:00 2024 Jelena B, Zsolt P.GeneralBeam backBeam is back at 16:38.

We are changing the setting.
  
  68   Fri May 17 16:34:43 2024 Jelena B, Zsolt P.GeneralBeam issuesWe lost beam at 16:29. 
Cooler has to be investigated. 
 2024-05-17_16-38-18-294.png 
  67   Fri May 17 05:48:33 2024 Ahmed, Zidarova, KalaidjievaRunsBeam stoppedHHT have more problems and need to enter the
cave, beam is stopped for some time
Beam stop: 05:46
 sc6_1.png 
  66   Fri May 17 00:15:24 2024 Ahmed, Zidarova, KalaidjievaRunsBeam goneHHT called and said they have problems and
need to enter the cave, so they stop the
beam for some time
 sc01.png 
  65   Thu May 16 23:08:34 2024 Ahmed, ZidarovaRunsBeam droppedBeam dropped between 23:00 and 23:05  sc23.png 
  64   Thu May 16 21:51:22 2024 Ide, HubbardRunsIntensity back to previous valuessince 21:48 particle intensities increased
to again to 1.5E9
 2024-05-16_21-50-03-610_tcl1064.png 
  63   Thu May 16 21:40:20 2024 Ide, HubbardRunsIntensity dropIntensity in particles dropped from 21:33  2024-05-16_21-39-15-586_tcl1064.png 
  62   Thu May 16 21:26:50 2024 Ide, HubbardRunsIntensity back to previous valuessince 21:20 the intensity is back to 1.5E9  2024-05-16_21-25-58-167_tcl1064.png 
  61   Thu May 16 21:13:18 2024 Ide, HubbardRunsIntensity dropThe intensity dropped at 21:10 from ~ 1.6E9
down to ~ 8E8
 2024-05-16_21-14-16-081_tcl1064.png2024-05-16_21-19-10-213_tcl1064.png 
  60   Thu May 16 19:10:27 2024 Ide, Hubbard, Xinliang, David, ShahabRunsNew Run setting for Zr Isomer hunt19:10 runs from now on run with an optimized
setting:
  
  59   Thu May 16 18:55:38 2024 Ide, HubbardGeneralnew timing cyclenew timing cycle of 6.7s   
  58   Thu May 16 18:33:30 2024 Ide, HubbardRunsBeam returned to ESRBeam is back at 18:32 
now in the particle plot the peaks seem to
be more isolated than before (see attachment
 2024-05-16_18-34-38-913_tcl1064.png2024-05-16_18-40-42-870_tcl1064.png 
  57   Thu May 16 18:28:31 2024 Ide, HubbardRunsNo beam to ESRbeam issues between 18:23-18:26
and beam completely lost from 18:27 till
18:32
 2024-05-16_18-30-23-344_tcl1064.png 
  56   Thu May 16 16:45:33 2024 Ide, HubbardRunsBeam returned to ESRbeam is back
16:45
  
  55   Thu May 16 16:43:29 2024 YuriAcceleratorHHTHHT sees radiation from us. We stop for 10
min for them to see the speed with which
the radiation level decreases.
  
  54   Thu May 16 16:38:11 2024 Ide, HubbardRunsNo beam to ESRbecause of problems in HHT
no beam from 16:36
  
  53   Thu May 16 16:10:03 2024 Ide, HubbardRunsLassie ScreenshotLassie Screenshot taken at 16:09  2024-05-16_16-08-02-778_tcl1064.png.pdf 
  52   Thu May 16 15:24:30 2024 Ide, HubbardAcceleratornew Plunger settingplunger motors were set

to +/-390 mm for 245 MHz resonator
  
  51   Thu May 16 14:52:45 2024 ShahabDAQZr recordingRecording Zr starting from 14:45 again back
to short cycle.
  
  50   Thu May 16 13:04:02 2024 Mayr, HannesRunsDAQ stopped, change setting to 98ZrBeam tuning for 98Zr starting at 12:53, following
data should be excluded from analysis. DAQ
was stopped around 13:13.
  
  Draft   Thu May 16 12:48:58 2024 SergeyAcceleratorTune to 98Zr- stop longer measurements
- change quadrupole and sextupole magnets
- rescale SIS-TE-ESR
  
  48   Thu May 16 11:20:10 2024 SergeyAcceleratorScreenshot of ESR pattern with 140 repetitions (each is 100 ms)Injection Beam Process: 100ms
Bunching Beam Process: 16ms
Intermediate Beam Process: 100 ms, which
 2024-05-16_11-19-01-545.png 
  47   Thu May 16 11:13:05 2024 Mayr, HannesRunsRatesWith the new timing, the rates now look like
can be seen in the screenshot.
 2024-05-16_11-10-57-933_tcl1064.png 
  46   Thu May 16 11:08:27 2024 Mayr, HannesRunsDAQ running again"Real" measurement with good data starting
from 11:07 until approximately 13:00.
Measurement time was changed to 10s with
  
  45   Thu May 16 10:18:14 2024 Mayr, HannesRunsBeam back, DAQ offBeam 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.xlsxiso.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
  
  24   Wed May 15 11:45:22 2024 DavidAnalysisLustre TroubleSince around 11:30, Lustre is down, therefore
in https://sparc-daq-02.gsi.de/, the spectrograms
are not being updated. Expected time to recovery
  
  23   Wed May 15 10:58:32 2024 Beatriz, MinGeneralBeam returned to ESRBeam recovery at around 10:52:30. Sergey and
Yuri still tuning the mass resolution.
  
  22   Wed May 15 09:35:08 2024 Beatriz, MinGeneralNo beamAt 9:32 we lost the beam. They have to work
in the Unilac and there will be no beam for
45 minutes. 
  
  21   Wed May 15 06:15:02 2024 Chris, AsahiDAQData transfer to lustre looks to be stoppedFile transfer to lustre looks to be stopped
at 6:03
 Screenshot_2024-05-15_06-18-17.png 
  20   Wed May 15 02:12:59 2024 Chris G, Asahi YGeneralBeam returned to ESRInjection to ESR restarted around 02:12:15  2024-05-15_02-14-16-471.png 
  19   Wed May 15 02:07:02 2024 Chris G, Asahi YGeneralNo beam to ESRInjection to ESR stopped around 02:04:45.

Will continue to write data in hope that
 2024-05-15_02-08-05-614.png 
  18   Wed May 15 01:27:13 2024 David, Asahi, Shahab, ChrisDAQRestarted data takingData taking restarted at 01:27 following re-alignment
of the RSAs.
  
  17   Wed May 15 01:11:45 2024 David, Asahi, Shahab, Chris, RuijiuGeneralTime optimisationDAQ stopped at 01:11 to optimise data taking
cycle of RSAs. 
Changed data writing time from 2s -> 1.8s.
  
  16   Wed May 15 00:26:53 2024 David, Asahi, Shahab, Chris, RuijiuRunsFirst data file - 00:26Centered resonant frequency on 98Mo+42 at
the 126 harmonic (243.925 MHz) and 211 harmonic
(408.483 MHz).
  
  15   Wed May 15 00:17:24 2024 David, Asahi, Shahab, Chris, RuijiuDAQOptimizing the 245 resonance curve   2024-05-15_00-18-18-752.png 
  14   Wed May 15 00:06:10 2024 David, Asahi, Shahab, Chris, RuijiuDAQOptimizing the 410 resonance curve   2024-05-15_00-05-36-583.png 
  13   Tue May 14 23:46:04 2024 David, Asahi, ShahabDAQTrigger setupGENESYS setup trigger

screen shot
 2024-05-14_23-46-56-017.png 
  12   Tue May 14 23:40:03 2024 Helmut, Sergey, YuryAcceleratorpaper log booktwo pages of log book on paper for teh first
setup,
injection into ESR and tuning primary beam
 IMG_20240514_233830.jpgIMG_20240514_233820.jpg 
  11   Tue May 14 23:22:55 2024 Helmut WeickAcceleratorisochronicity curvesSergey started with a setting with quadrupoles
already changed like in 2021.
Ths was used for the first isochronicity
 isoc_curves_14052024.PNGisoc_curves_14052024.xlsx 
  10   Tue May 14 22:13:38 2024 David, Ruijiu, David, AsahiDAQdoing some test runs without accelerator triggerempty shots for test.   
  9   Tue May 14 21:41:11 2024 ShahabRunsTest Screenshot   2024-05-14_21-39-01-112_tcl1048.png 
  8   Tue May 14 19:07:27 2024 ShahabRunsBroadband measurement / High Sampling rateStable beam after a long time:

  
  7   Tue May 14 15:07:23 2024 Ruijiu, David, Shahab, Xinliang, ZhangminRunsCooler curve measurement

Cooler curve measurement
 7x 
  6   Sun May 12 18:34:54 2024 RuijiuAnalysisHow to use queqiao to transfer tiq dataIf the ssh to lxir131 was disconnected, you
can connect to lxir131 and restart queqiao
program to transfer tiq data from NAS to
 start_OnlineDataAnalysis.jpgqueqiao_rsa.jpg 
  5   Thu May 9 15:59:30 2024 Ruijiu ChenDAQCarsten checked the NTCAP system.Exactly this was the question. If several
devices fail at the same time and you look
for the course you might get suspicious.
  
  4   Thu May 9 10:01:59 2024 Ruijiu ChenDAQNI crate of NTCAP system can not be started.After moving the NTCAP system from HKR to
ESR Messhutte, we tested the system with
a signal generator on 16th February and confirmed
 VID_20240508_113353.mp4dc36252cc5b2262cb6eab099009f16ed.mp4comparision_iq.jpgcomparision_sc.jpgcomparision_sc.png 
  3   Thu May 9 09:12:59 2024 Dounia, ShahabDAQRSA file syncRSA file sync with server was up with LXIR131
through to the Lustre.
  
  2   Mon May 6 12:16:09 2024 Ruijiu ChenDAQntcap scaler   ScalerSignalMap20240515.pdf 
  1   Tue Apr 16 15:35:07 2024 JanCollaborationG-PAC Proposal   G-22-00018.pdf 
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