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  nuclear two-photon decay, Page 8 of 12  Not logged in ELOG logo
ID Date Author Category Subject Text Attachments
  93   Sun May 9 05:11:55 2021 Iris (Chris G., Jacobus, Michele)RunsFirst 52Mn run (no 52Mn unfortunately)> Run E143-245 MHz-2021.05.09.01.17.42.265.tiq
is the first run of the experiment on 52Mn.
  
  92   Sun May 9 04:15:50 2021 Michele, Jacobus, ShahabRunsBeam issues for short duration
ESR warning (colour red in the panel)
  
  91   Sun May 9 03:24:12 2021 Iris (Shahab, Jacobus, Chris G., Michele)RunsExample of possible 52.Mn isomerShort update from Yuri: these are not our
isomers. These are 45Sc (left, 12 keV isomer
not resolvable) and 75Br (center), and the
  
  90   Sun May 9 02:51:44 2021 IrisRunsExample of possible 52.Mn isomerSo the "isomers" pop up at ~-600 Hz and +580
Hz... is the -600 Hz on the left the 378
keV isomer (21 min) and the +580 Hz on the
  
  89   Sun May 9 02:45:50 2021 Jacobus, Michele, ShahabRunsExample of possible 52.Mn isomerthis is how it should look like  52Mn_002.PNG 
  88   Sun May 9 02:32:58 2021 Jacobus, ShahabRunspossible 52-Mn isomerthe intensity of the line on the left side
is so high, it is difficult to see the isomers
in the middle as can be seen in the auto
 E143-245MHz-2021.05.09.01.23.19.468.tiq.pngasd.jpg 
  87   Sun May 9 02:19:04 2021 Jacobus, ShahabRunsFirst 52Mn run Run E143-245 MHz-2021.05.09.01.17.42.265.tiq
is the first run of the experiment on 52Mn.
  
  86   Sun May 9 01:49:25 2021 Helmut, Sergey, YuriAcceleratorchange to 52Mn
It was done in steps:
isochronous 52Mn should come at Brho = 6.28239
  
  85   Sun May 9 01:19:47 2021 Helmut, SergeyAcceleratorscraper optmisation for 72GeTo improve the isochronicity still in the
72Ge setting sextupoles and scrapers wer
varies successfully.
 IMG_20210508_210509.jpg 
  84   Sat May 8 22:06:36 2021 Michael, Ruijiu, Helmut, Yuri, Wolfram, Sergey, ShahabRunsstopped data taking with the high resolutionlast file names with this setting:

245: 2021.05.08.20.42.03.743.tiq
  
  83   Sat May 8 21:42:51 2021 AllAccelerator Set up for 52MnDetails will follow
E(Mn) = 368.41 MeV/u
  
  82   Sat May 8 21:42:26 2021 AllRunsStop72Ge    
  81   Sat May 8 21:10:24 2021 Michael, Ruijiu, Helmut, Yuri, Wolfram, Sergey, ShahabRunsstarted data taking with high resolutionafter optimizing the scrapers we have reached
the highest possible resolution in the isochronous
mode.
 E143-245MHz-2021.05.08.20.17.39.000.tiq.pngE143-410MHz-2021.05.08.21.18.51.447.tiq.png 
  80   Sat May 8 21:08:13 2021 Helmut, Sergey, Shahab, Wolfram, YuriAcceleratoroptimisation of sextuplesThe optimisation of sextuples is finished.
Record a few files.
  
  79   Sat May 8 19:51:46 2021 Ragan, Rui-JiuDAQChange reference level to -50dBmStart a new run. The data of new run is in
:
SC_2021-05-08_19-51-35
  
  78   Sat May 8 18:35:25 2021 Rui-Jiu ChenDAQChange reference level to -10dBmThe beam in ESR is 78Kr36+@476 MeV/u.
Start a new run:
SC_2021-05-08_18-25-52
  
  77   Sat May 8 17:29:54 2021 Yuri, Sergey, Wolfram, Michael, ShahabRunsrecording Kr decay measurement on NTCAPUc = 250mA
decay Kr 78, 476 MeV/u
  
  76   Sat May 8 16:08:58 2021 Helmut WeickAcceleratorbeam position of Kr before ESRChecked beam positions in beamline before
ESR,
they all look the same as before, with direct
 TE3DG3-Kr.JPGTE3DGC-Kr.JPGTE5-grids-Kr.jpg 
  75   Sat May 8 15:18:23 2021 Michael, Wolfram, YuriGeneralBeam Settings changingBeam settings are being changed back to 78Kr
beam at 467 Mev/u. 
  
  74   Sat May 8 11:42:21 2021 YuriAcceleratorKPsEO1KP03 was on = -44.9 A
E01KP05 was off, now is on = 3.67 A
The beam is on the right frequency, but the
  
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