HOME ESR EXPERIMENTS LABS etc
E121 E127 E132 E125 E143 laser_cooling_2021 E142 Ê128 E146 E0052 E0018 E0028 E0038 E0075
  nuclear two-photon decay, Page 5 of 12  Not logged in ELOG logo
ID Date Author Category Subject Text Attachments
  154   Wed Jun 30 14:48:54 2021 OliverGeneralData taking - and not...We just started data taking. But a few minutes
later the main experiment needed to do some
adjustements to the beam. This interrupts
  
  153   Wed Jun 30 13:57:14 2021 Yuri, SergeyAcceleratorsextupoles + scraper positionsAfter setting up on 70Se
Sextupoles were adjusted to optimize the
resolution of the 70Se peak. Set values are
 photo_2021-06-30_14-09-08.jpgphoto_2021-06-30_14-02-25.jpg 
  152   Wed Jun 30 13:05:08 2021 Rui-Jiu ChenAnalysisID of 70SeThis is the latest ID of 70Se setting.  2021-06-30_11_54_00.png2021-06-30_11_54_00.pdf2021-06-30_11_54_00.rootoutput_127.tofoutput_128.tof 
  151   Wed Jun 30 13:04:40 2021 ShahabRuns245 Amplifier onturned on extra 20dB amplifier for the 245
Resonator around 12:32 
 amplification_on245.png 
  150   Wed Jun 30 12:35:53 2021 Rui-Jiu ChenAnalysisChange reference level to -20dBm. Turn of amplifier.SC_2021-06-30_12_35_52
IQ_2021-06-30_12_35_43
Reference level=-20dBm
  
  149   Wed Jun 30 12:26:58 2021 Rui-Jiu ChenAnalysisNTCAP start.SC_2021-06-30_11-00-12
IQ_2021-06-30_11-00-12
reference level -80dBm.
  
  148   Wed Jun 30 09:04:50 2021 Yuri, MarkusAcceleratorStatus1) Over night the source was conservated.
It is being restarted now.
2) The approximated amount of Gas in this
  
  147   Wed Jun 30 08:59:37 2021 YuriAccelerator70Se settingX(9Be)=1.815 g/cm2 (adjusted in primary beam
setting)
  
  146   Wed Jun 30 02:12:46 2021 ShahabRunsstill no beam in ESR: quadrupole magnets are downstill no beam in ESR: quadrupole magnets are
down
  
  145   Wed Jun 30 01:38:20 2021 ShahabRunsbeam is back from Linac but not in the ESR    
  144   Wed Jun 30 00:20:10 2021 Rui-Jiu ChenAnalysisID of 70Se setting on MayThis is an old spectrum which was recoded
on May.
 plot_242.0_245.0.pngplot_242.0_245.0.pdfplot_242.0_245.0.rootoutput_126.tof 
  143   Wed Jun 30 00:12:55 2021 Rui-Jiu ChenAnalysisthe ID of 72Ge setting   plot_242.5_246.5.pngplot_242.5_246.5.rootoutput_127.tofplot_242.5_246.5.pdf 
  142   Tue Jun 29 21:15:01 2021 Kanika, ShahabRunslost beam problem Unilaccooling water in UNILAC is out   
  141   Tue Jun 29 21:12:15 2021 Kanika, ShahabRunsMoving the resonance frequency of the 245 MHz resonator moving in the plungers:

before: 400
 e143_resonance_change_2.PNG 
  140   Tue Jun 29 21:10:30 2021 ShahabRuns72-Ge settingthe new setting is roughly 400 khz lower in
frequency.
Previous beam time Ge was on 243.100 now
  
  139   Tue Jun 29 20:40:55 2021 Rui-Jiu ChenDAQstart NTCAPCarrier Frequency:245MHz.
IQ rate 20MSamples/s
Reference level:-90 dBm
  
  138   Tue Jun 29 20:13:58 2021 Helmut, Sergey, YuriAcceleratorchange to predrilling an 72GeAfter optimisation of sextupoles we found
a scraper position which makes a narrow peak
and keeps 20% of the injected beam.
  
  137   Tue Jun 29 10:32:10 2021 Sergey, HelmutAcceleratorcooler curves for tuning of isochronicityVariation of quadrupole E01QS03D to change
gamma_t in isoc. mode
measured with 78Kr at 368.5 MeV/u on 28.06.2021
 isoc_curves.JPGiso_curves_june_2021_1.xlsx 
  136   Mon Jun 28 18:32:49 2021 Ruijiu, ShahabDAQtrigger signal connected to NTCAP and analyzers   tri.jpg 
  135   Fri Jun 25 21:47:24 2021 YuriAnalysisIdentificationAttached are two files with a proposed particle
identification.
Different colors indicate different harmonic
 Spectrum_possible_ID.pngID_2nd_Part.jpg 
ELOG V3.1.5-fc6679b