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  nuclear two-photon decay, Page 7 of 12  Not logged in ELOG logo
ID Datedown Author Category Subject Text Attachments
  114   Sun May 9 21:29:26 2021 Helmut, Wolfram, YuriAcceleratortarget TE3UF shiftWe see a very strong line at the left end
of spectrum, stronger than all other lines.
When we shift the target TE3UF_H from -35mm
  
  113   Sun May 9 20:39:17 2021 ShahabRunsSubtracting the backgroundstill in the search of 70-Se  spectrum_subtraction.png 
  112   Sun May 9 20:34:47 2021 Rui-Jiu ChenAnalysisComparison of frequency spectrum between 72Ge and other isotopeThis some preliminary analysis results by
using  NTCAP data.   The IQ rate of NTCAP
is 20 MSamples/seconds. I analyzed data files
 6x 
  111   Sun May 9 19:03:02 2021 Rodostina, Oliver, Wolfram, Helmut, Yuri, ShahabRunsquadrupoles were down, fixed.    
  110   Sun May 9 18:50:23 2021 Helmut, Wolfram, YuriAcceleratorchanged to 70Se18:45  changed SIS, ESR setting for 70Se without
predrilling blind change.
E-SIS =  446.55 MeV/u, is centerd as before
  
  109   Sun May 9 18:41:33 2021 Rodostina, Oliver, Wolfram, Helmut, Yuri, ShahabRunsstopped data taking for energy changelast recorded filename:

E143-245MHz-2021.05.09.17.38.44.410.tiq
  
  108   Sun May 9 17:39:21 2021 GuyAnalysisComparison between 72Ge: 7th 19h vs 8th 21hFollowing Xiangcheng Chen's analysis, I analysed
11 ms time slices separated by 25 ms to see
the evolution of the potential isomer across
 410MHz-05.09.19h-t11ms-sMontage.png410MHz-05.08.21h-t11ms-sMontage.png 
  107   Sun May 9 16:19:06 2021 Rodostina, Oliver, Wolfram, ShahabRunsSetting to 52Mn ????first filename in this recording:

E143-245MHz-2021.05.09.15.16.49.816.tiq
  
  106   Sun May 9 14:19:44 2021 YuriAcceleratorSpectrumWe accept larger m/q values than we like to.
m/q(low) cut ~ 2.08. Decrease ESR energy
from 369.2 -> 368.4 MeV/u
  
  105   Sun May 9 13:53:07 2021 Yuri, Wolfram, Andrew, LilianaCalibrationChange of energy: Back as beforeAfter looking at the spectrum it was concluded
that the same isotopes, and no more, could
be identified. 
 Screenshot_2021-05-09_13-59-36.png 
  104   Sun May 9 13:15:38 2021 Liliana AndrewRunsStopped data taking during modifications for the beam energyBeam energy to be increase to move Mn into
the ring. 
First step we set the energy to 445 MeV.
 Screenshot_2021-05-09_13-25-26.png 
  103   Sun May 9 12:53:01 2021 Desislava Kalaydjieva, Taka YamaguchiAnalysisAnalysis, Morning shift, 9 MayFor the whole morning shift there were no
significant changes in the spectra.
 9x 
  102   Sun May 9 08:00:03 2021 Liliana, AndrewGeneralStatus So far, we keep the setting as it is and wait
for experts to come in. 
Few spills are missing from time to time.
 Screenshot_2021-05-09_08-01-17.png 
  101   Sun May 9 07:16:47 2021 Iris, Chris G., Jacobus, MicheleAnalysisRuns 3-4am Not_Mn52Summed up runs on the 245 MHz detector between
3-4am (computer time).
-s 0.1 -t 8.0
 Not_52Mn_245MHz_May09_3-4am_s0_1_t8_0.rootNot_52Mn_245MHz_May09_3-4am_s0_1_t8_0.png 
  100   Sun May 9 06:53:20 2021 Iris, Chris G., Jacobus, MicheleGeneralSummary night shiftThe tune last night was unfortunately not
to 52Mn. The two "isomers" that were identified
are instead 45Sc and 75Br. But separation
  
  99   Sun May 9 06:34:37 2021 Iris, Chris G., Jacobus, MicheleAnalysisRuns 2-3am Not_Mn52Summed up runs on the 245 MHz detector between
2-3am (computer time).
One has -s 0.1 -t 8.0
 Not_52Mn_245MHz_May09_2-3am_s0_1_t8_0.pngNot_52Mn_245MHz_May09_2-3am_s0_1_t8_0.rootNot_52Mn_245MHz_May09_2-3am_s5_1_t0_5.pngNot_52Mn_245MHz_May09_2-3am_s5_1_t0_5.root 
  98   Sun May 9 06:15:09 2021 Iris, Chris G., Jacobus, MicheleRunsTriplet: zoom inZoom into the triplet: the satellite peaks
on the right are clearly visible.
This is just one file but one *might* see
 116-triplet.png 
  96   Sun May 9 05:56:29 2021 Iris, Chris G., Jacobus, MicheleAnalysisNot_52Mn spectra added upAttached is a summed spectra of all files
taken between 1:17am and 1:59am (on the 245
MHz detector).
 Not_52Mn_245MHz_May09_1-2am.pngNot_52Mn_245MHz_May09_1-2am.root 
  95   Sun May 9 05:54:11 2021 RaganAnalysisoffset btw png and tiq files from server?This is due to the 50% trigger setting in
the spectrum analyzers ))
  
  94   Sun May 9 05:38:29 2021 Iris, Chris G.Analysisoffset btw png and tiq files from server?This might have been answered before but I
looked at one png file and one tiq file from
the same run that was stored on the server.
 comp-116.png 
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