Tue Dec 15 09:25:41 2020, Jan, DAQ, SiCsIPhos signal/amplitude reconstruction
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Mon Mar 29 16:31:09 2021, Pierre-Michel, DAQ, cross section
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(1.393*^-8 + 3.18*^-13 + 4.707*^-8)/4.707*^-8 = 1.29595 |
Wed Aug 25 15:13:41 2021, Jan, DAQ, SC13 clock frequency
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The frequency of the clock used as reference in scaler channel 13 has been measured precisely.
In contrast to what was expected (1.5MHz precisely), it is:
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Thu Sep 13 11:32:17 2018, Jan Glorius, Collaboration, Proposal 
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Attached is the beam time proposal submitted and accepted by the G-PAC in 2017. |
Sun Mar 29 18:41:31 2020, ruijiu, Analysis, Ratio between MPWC rate and DSSD rate
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slit Ratio error
-1 18.64 0.4
-2 18.18 0.38
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Sun Mar 29 21:02:43 2020, ruijiu, Analysis, decay line of 205Tl beam 
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decay line of 205Tl beam with Ar gas jet target on and S6 slit at -8mm
Ar gas density~1e12 atoms/cm2 |
Sun Mar 29 21:39:27 2020, ruijiu, Analysis, Ionization cross section and capture cross section for h-206Pb + Ar
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Ionization cross section = 1320 barn.
Capture cross section = 557+137+44.5=735.5.
sigma_Ion/sigma_cap=1.79 |
Sun Mar 29 23:48:12 2020, Jan, Analysis, run0251: E_spectra for CsISiPhos 14x
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This is a collection of energy spectra of the CsISiPhos detectors from run0251 with primary beam.
There is no good spectra for n-side of Si-pad 1! |
Mon Mar 30 16:37:53 2020, ruijiu, Analysis,
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Mon Mar 30 23:30:35 2020, Jan, Analysis, run251 - Si-pad performance & status 7x
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Attached are plots for Si-pad 2 with hits from ionization of 206Pb81+ at the target.
The plots are representative for all Si-pads, the pattern is always the same!
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Tue Mar 31 15:30:43 2020, ruijiu, Analysis, The beam position on DSSD with different conditions on on the dEE spectrum 6x
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I analyzed the first measurement with 206Pb81+ beam, run 250-267. |
Fri Apr 17 18:27:34 2020, ruijiu, Analysis, backup data
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1.connect USB harddisk to computer lxg1254 and copy data to sever.
sync -rtmv --progress --checkSUD /media/sdgl/data/ litv-exp@sbk0l9:/lustre/ap/litv-exp/2020-
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Wed Aug 5 17:19:16 2020, Rui-Jiu Chen, Analysis, Data structure
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Thu Nov 5 15:13:43 2020, Jan, Analysis, root script example  
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Attached is an example root script/macro that shows how to use scripts for analysis.
Usage:
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Sat Mar 28 15:19:23 2020, ruijiu, , start run e121_run_0236.lmd
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store 206Pb81+ beam inside ESR and measure its halflife.
The HV of detector is off.
Start DAQ to record the ESR current in lmd file.
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Sun Mar 29 10:09:14 2020, ruijiu, , start run e121_run_0237.lmd
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Sergey and Yuri are tuning Tl beam. The particle number in ers is about 1e4. I(SIS)=5e8
run stop: after few minutes (garbage data) |
Sun Mar 29 13:43:46 2020, , ,
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Sun Mar 29 14:01:45 2020, ruijiu, , beam position on DSSD
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move the detector 1cm
outside.from 60mm to
70mm.
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Sun Mar 29 14:29:13 2020, ruijiu, , e121_run_00240.lmd
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s6 positon at 50mm. |
Thu Apr 9 11:47:28 2020, ruijiu, , backup data
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2020.4.8 12:00Started copying
data。
2020.4.9 11:52 Copied 6.3TB
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