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ID Date Author Category Subject Text   1   Thu Sep 13 11:32:17 2018 Jan Glorius Collaboration Proposal Attached is the beam time proposal submitted and accepted by the G-PAC in 2017.      2   Mon Dec 3 15:06:04 2018 Chen, Sidhu DAQ Test of two preamplifier. [B]Description:[/B]    We have two pre-amplifiers:    New: Max. range 5GeV, Two sensitivity      3   Wed Dec 5 17:29:24 2018 Chen, Sidhu Detectors signal map [B]Description:[/B]   Here is a summary of signal map. The charged  13x    4   Fri Dec 7 10:56:04 2018 Jan Glorius SlowControl EPICS ioc on raspberry We have an EPCIS server (ioc) running on our raspberry (ext-027377). It talks to our MesyTec modules (MSCF shapers, MHV4 high-voltages).      5   Fri Dec 7 11:39:41 2018 Jan Glorius SlowControl GUI for remote control of MSCF+MHV4 We have a GUI for remote controlling our MesyTec modules MSCF16 and MHV4 for E121 experiment.      6   Mon Dec 10 11:59:15 2018 Chen, Sidhu Detectors Test of shaping amplifier. [IMG]elog:6/1[/IMG] [IMG]elog:6/2[/IMG]      7   Tue Mar 12 12:54:58 2019 Chen, Sidhu DAQ how to start DAQ and plot histogram. [B]1. login litv-exp account[/B] rchen@lxg1254:/data.local2/2002_238UIMS$ ssh -X litv-exp@lxg0155.gsi.de      8   Tue May 7 15:52:47 2019 Chen, Sidhu SlowControl GUI for remote control of MSCF+MHV4 [detailed] We have a GUI for remote controlling our MesyTec modules MSCF16 and MHV4 for E121 experiment.      9   Tue May 28 08:36:14 2019 Jan DAQ MBS start & RFIO server You need a DAQ-PC and the RIO crate computer. All of the DAQ proceedures laid out here are operated from inside the DAQ screen session.      10   Wed Jun 26 16:20:31 2019 Jan DAQ unpacker: lmd > root I have written an unpacker for the lmd data taken with the current daq-system for E121. The crate configuration is as follows:      11   Tue Aug 27 14:53:47 2019 Chen, Sidhu Detectors The thickness uncertainty of Ta is less than 1%. The thickness of Ta plate have been measured by target group. The result is show as following. According to this measurement, the thickness      12   Thu Oct 24 15:36:13 2019 Chen, Sidhu Detectors Detector installation process [IMG]elog:12/1[/IMG] [IMG]elog:12/2[/IMG] [IMG]elog:12/3[/IMG]      13   Wed Jan 29 10:42:42 2020 Shahab General Gas target control with the new control system event Many thanks to Sergey and Nikos we have tested the connection of the new control system      14   Fri Feb 21 11:30:52 2020 Laszlo General Shift plan e127: https://docs.google.com/spreadsheets/d/14m8WcCq1erx6HqWJRK7TLbCx121IkjqGa5l-frf4YjI/edit#gid=0 e121: https://docs.google.com/spreadsheets/d/10MUzA5-Ilf2WzCyNj8u_KSG6yzPg0e4vtZGGPFB3K-k/edit#gid=0      15   Tue Feb 25 15:48:31 2020 ruijiu chen DAQ Important folders of e121 eperiments: 1. slow control: 1.1. program file: litv-exp@ringpi:~/epics/mrcc_ioc/db $       16   Tue Feb 25 15:49:58 2020 ruijiu chen DAQ changing scaling factor. How to change scaling factor? The parameters is in f_user.c file: 1. open the f_user.C with emacs :      17   Thu Feb 27 14:04:12 2020 Ruijiu Chen Detectors Remote control of HV module Be careful. The voltage value on user interface is 10 times of real value. e.g. if the real value is 32V, the voltage value on UI has      18   Thu Mar 26 17:21:40 2020 Ragan General Stochastic cooling 1) From SIS, 206Pb67+ @401.17 MeV/u goes to FRS where only SEETRAM is placed in the target area to strip off 206Pb67+ to get 206Pb81+.      19   Fri Mar 27 13:02:07 2020 Ragan General Stochastic cooling 1) ESR team is successful with the Stochstic cooling of primary H-like 206Pb81+ beam @400 MeV/u.      20   Fri Mar 27 13:04:17 2020 Ragan General FRS Settings until now Yuri and Helmut have been extensively involved in tuning and optimizing of the FRS.      21   Fri Mar 27 13:40:54 2020 Ragan General NTCap start and shutdown information The attachment contains information on how to start and shutdown NTCap and bridge computer.      22   Fri Mar 27 19:51:37 2020 Ragan General ESR Machine By changing the tune to Qx=2.33, Qy=2.36 the momentum acceptance was significantly improved. A variation of the cooler voltage of 10300      23   Fri Mar 27 19:59:09 2020 Ragan General Beam stacking in ESR is achieved Thanks to Sergey and Markus, stacking of primary H-like 206Pb81+ beam in ESR is achieved.      24   Fri Mar 27 20:05:43 2020 Ragan General H2 gas jet ready Thanks to Nikos, stable H2 gas jet target with 10^14 particles/cm^3 is ready. (More information can be found on: https://ulpc24.gsi.de/cgi-bin/jet.py?gasart=Helium      25   Fri Mar 27 20:52:31 2020 Ragan General Plans for the measurement with 206Pb81+ We plan to measure: 1. Lifetime of H-like 206Pb81+ beam with      26   Sat Mar 28 01:14:19 2020 Ragan General Cross-section for capture and ionisation of 206Pb81+ with H2 target Cross-section for capture and ionisation of 206Pb81+ with H2 gas jet target are calculated using GLOBAL code.      27   Sat Mar 28 04:32:15 2020 Ragan Detectors Ionisation events on DSSSD XY co-relation of DSSSD showing 206Pb82+ beam hitting the CsISiPHOS detector present in the inner pocket of ESR after the first dipole      28   Sat Mar 28 04:50:34 2020 Ragan Detectors MWPC Alex and Pierre-Michel applied 1500 V to the anode and adjusted the threshold in Messhute. x1 signal was small & noisy and rest of the      29   Sat Mar 28 11:00:14 2020 Ragan, RuiJiu, Mei, Yuri, Tino Detectors Movement of detector 10:51 am the CsISiPHOS is moved to 65 mm from 60 mm.The spot on the DSSSD is changed by 5 mm which confirms the hit of the beam.      30   Sat Mar 28 11:07:49 2020 Ragan, RuiJiu, Tino, General Nikos is changing gas jet target The gas jet target is now being changed from H2 to Ar by Nikos.      31   Sat Mar 28 11:20:10 2020 Ragan, RuiJiu, Mei, Yuri, Tino General Reducing beam intensity in ESR Yuri reduces beam intensity in the ESR to reduce the countrate on the detectors.      32   Sat Mar 28 11:28:11 2020 Ragan, RuiJiu, Mei, Yuri, Tino General ESR open ESR is open now      33   Sat Mar 28 12:19:21 2020 Ragan, RuiJiu DAQ Change of the polarity of Amplifiers Since last night, the signals from the p-side of all the Si pads were seen as negative on picoscope.      34   Sat Mar 28 13:09:11 2020 Mei,Yury, Tino, Ragan, Ruijiu General Shift plan From Yury, For now, measure the beam life time with      35   Sat Mar 28 13:19:56 2020 Ragan Runs Template beam:  energy:  storage time:      36   Sat Mar 28 14:19:24 2020 Ragan, RuiJiu, Mei, Yuri General Instructions to change the electron cooler current Attached are the instructions on how to change the electron cooler current for the lifetime measurements of 206Pb81+ beam (interaction      37   Sat Mar 28 15:07:40 2020 ruijiu DAQ start run        38   Sat Mar 28 15:19:23 2020 ruijiu   start run e121_run_0236.lmd store 206Pb81+ beam inside ESR and measure its halflife.  The HV of detector is off.      39   Sat Mar 28 15:23:05 2020 Alex, Ragan, Mei Bai General beam lifetime measurement We see two species in the Schottky spectra during the beam lifetime measurement without the target. The one (probably the primiary      40   Sat Mar 28 16:09:50 2020 Alex General no beam in the ESR Ragan and Ruijiu went in the ESR for short time to fix something with the slow control of the silicon detector.      41   Sat Mar 28 16:12:25 2020 ruijiu, ragan DAQ enter ESR and turn on the HV crate.        42   Sat Mar 28 16:29:27 2020 Ragan, RuiJiu, Esther General Malfunction of several ESR machines The HKR crew informs us that several machines in ESR are showing malfunctions. The on-call expert cannot be reached.      43   Sat Mar 28 18:11:13 2020 Alex, Yuri General no beam in the ESR Yuri and Sergey (on phone) have investigated extensively the problem with having no beam in the ESR. The FRS has been checked and      44   Sun Mar 29 09:40:35 2020 ruijiu DAQ restart go4 go4 crush up.  the problem is  due to  mbs.       45   Sun Mar 29 09:57:26 2020 ruijiu Detectors the HV of charged particle detector         MHV1     MHV2 ch1:1st Sipad  4th  Sipad      46   Sun Mar 29 10:09:14 2020 ruijiu   start run e121_run_0237.lmd 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)      48   Sun Mar 29 11:12:00 2020 Ragan Runs start run e121_run_0239.lmd Sergey and Yuri are tuning Tl beam. The particle number in ers is about 1e4. I(SIS)=5e8      49   Sun Mar 29 12:56:02 2020 Ragan, RuiJiu General Good positive signals from MSCF As we (RuiJiu and me) changed the jumpers of MSCF 1, 2,3 and 4 yesterday, now we see nice positive signals on picoscope.      50   Sun Mar 29 13:04:32 2020 Ragan, RuiJiu Runs run file: 1298 The Tl fragments are being stacked (almost ~20 staacks) and tried to store nicely in ESR.      51   Sun Mar 29 13:05:36 2020 ruijiu DAQ start ntcap IQ_2020-03-29_13-05- 56 SC_2020-03-29_13-05-      52   Sun Mar 29 13:43:46 2020              53   Sun Mar 29 14:01:45 2020 ruijiu   beam position on DSSD move the detector 1cm  outside.from 60mm to  70mm.      54   Sun Mar 29 14:29:13 2020 ruijiu   e121_run_00240.lmd s6 positon at 50mm.      55   Sun Mar 29 18:41:31 2020 ruijiu Analysis Ratio between MPWC rate and DSSD rate slit Ratio error -1 18.64 0.4 -2 18.18 0.38      56   Sun Mar 29 18:55:19 2020 Shahab Runs Frequency list for identification Here are some frequencies for identification of the fragments.      57   Sun Mar 29 20:32:20 2020 Ragan General Template for Pb halflive measurement beam:  energy:       58   Sun Mar 29 21:02:43 2020 ruijiu Analysis decay line of 205Tl beam decay line of 205Tl beam with Ar gas jet target on and S6 slit at -8mm Ar gas density~1e12 atoms/cm2      59   Sun Mar 29 21:34:46 2020 Ragan Runs First run beam: 206Pb81+ energy: 400 MeV/u      60   Sun Mar 29 21:39:27 2020 ruijiu Analysis Ionization cross section and capture cross section for h-206Pb + Ar Ionization cross section = 1320 barn. Capture cross section = 557+137+44.5=735.5. sigma_Ion/sigma_cap=1.79      61   Sun Mar 29 21:55:47 2020 Ragan General MWPC Alex goes to Messhute to check the signals from MPWC. After he completes, we start with the measurements with the primary beam )      62   Sun Mar 29 23:48:12 2020 Jan Analysis run0251: E_spectra for CsISiPhos This is a collection of energy spectra of the CsISiPhos detectors from run0251 with primary beam.  14x    63   Mon Mar 30 00:32:32 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      64   Mon Mar 30 01:01:53 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      65   Mon Mar 30 01:07:29 2020 Ragan General Problem with SIS runstop: 0256 There is problem with SIS Run stop: 0257.lmd (at1:06)      66   Mon Mar 30 01:25:57 2020 Ragan Runs First measurement with 206Pb81+ beam 01:17 Problem with SIS is solved 01:19 run start 0258.lmd      67   Mon Mar 30 01:43:58 2020 Ragan General First measurement with 206Pb81+ beam pattern details The following shows the pattern for first measurement in ESR (gas jet is on for = 60*5 secs = 300 secs as it can be seen on step      68   Mon Mar 30 02:00:46 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      69   Mon Mar 30 02:27:44 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      71   Mon Mar 30 02:58:51 2020 Sergiy, Dima Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      72   Mon Mar 30 03:30:03 2020 Sergiy, Dima Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      73   Mon Mar 30 04:00:19 2020 Sergiy, Dima Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      74   Mon Mar 30 04:15:29 2020 Ragan General Second measurement with 206Pb81+ beam at I_cooler = 200 mA In the picture below, a very nice storage of 206Pb81+ at 200 mA electron cooler current for no gas jet target can be seen in ESR.      75   Mon Mar 30 04:30:17 2020 Sergiy, Dima Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      76   Mon Mar 30 06:15:13 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      78   Mon Mar 30 06:30:52 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      79   Mon Mar 30 06:34:47 2020 Ragan General Second measurement with 206Pb81+ beam at I_cooler = 20 mA In the ESR picture below, the decay of beam is very fast initially for few minutes and then the decay is constant. But why does      80   Mon Mar 30 07:02:15 2020 tino Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      81   Mon Mar 30 07:34:06 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      82   Mon Mar 30 08:00:40 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      83   Mon Mar 30 08:32:05 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      84   Mon Mar 30 08:56:04 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA beam: 206Pb81+      85   Mon Mar 30 09:26:37 2020 Tino Runs Stopped Second measurement with 206Pb81+ beam at I_cooler = 10 mA Stopped Data recording for Restart of the measurement      86   Mon Mar 30 09:34:02 2020 Tino Runs Restart of second measurement with 206Pb81+ beam at I_cooler = 10 mA Stopped Data recording for Restart of the measurement      87   Mon Mar 30 10:01:31 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      88   Mon Mar 30 10:32:01 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      89   Mon Mar 30 10:57:43 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      90   Mon Mar 30 12:12:25 2020 ruijiu General Instruction of NTCAP for shift person To start a new run with NTCap, we need to retart NTCAP.  1. Stop labview program.       91   Mon Mar 30 12:16:04 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      92   Mon Mar 30 12:33:04 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      93   Mon Mar 30 13:02:49 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      94   Mon Mar 30 13:31:58 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      95   Mon Mar 30 13:40:57 2020 ruijiu Detectors HV of Inner detector        96   Mon Mar 30 13:41:20 2020 ruijiu Detectors HV of Inner detector        97   Mon Mar 30 14:02:41 2020 Tino Runs Second measurement with 206Pb81+ beam at I_cooler = 10 mA I_cooler = 10 mA      98   Mon Mar 30 14:24:46 2020 ruijiu DAQ stop taking data. 1. stop run0272.lmd. 2. stop NTCAP.    NTCAp file:      99   Mon Mar 30 14:48:02 2020 ruijiu and Tino Detectors The leakcurrent of SiPad is over the setting limit. Because the  leakcurrent of  6 Sipads is       100   Mon Mar 30 15:03:58 2020 ruijiu Tino, Yuri, Lasoro, Nik and Uli Detectors the gas bottle is empty. The gas bottle was empty. Tino replaced  the previous old bottle with 50 bar gas left.      101   Mon Mar 30 16:25:05 2020 ruijiu Detectors turn down the HV turn down the hv and pull out the detector.        102   Mon Mar 30 16:37:53 2020 ruijiu Analysis          103   Mon Mar 30 20:51:06 2020 Ragan Detectors Bias Voltage for Si-pads The limit of the leakage current for all Si pads was increased from 1500 nA to 5000nA and       104   Mon Mar 30 23:30:35 2020 Jan Analysis run251 - Si-pad performance & status Attached are plots for Si-pad 2 with hits from ionization of 206Pb81+ at the target. The plots are representative for all Si-pads,  7x    105   Tue Mar 31 00:47:18 2020 Yuri Runs S2 slits 0/+35 mm, target bump +13 mm Run start: 0276.lmd      106   Tue Mar 31 15:30:43 2020 ruijiu Analysis The beam position on DSSD with different conditions on on the dEE spectrum I analyzed the first measurement with 206Pb81+ beam, run 250-267.   6x    107   Tue Mar 31 20:32:05 2020 Ragan General 203Tl80+ 200Hg79+ 205Tl81+ Below in the schottky spectrum, on left is 203Tl80+ contamination, in middel is 200Hg79+ contamination and on right most is 205Tl81+.      108   Tue Mar 31 20:50:05 2020 Ragan General 200Hg79+ 205Tl81+ 203Tl80+ impurity is removed by moving scrapper inside ESR. Only 220Hg79+ is left now      109   Tue Mar 31 21:07:05 2020 Ragan General Separation of 203Tl80+ and 200Hg79+ using scrapper in ESR It can be seen in the video how 203Tl80+ (on extreme left) and then 200Hg79+ (in middle originally) is separted from 205Tl81+ by      110   Tue Mar 31 23:31:41 2020 Shahab Runs alpha_p calibration Vc = 212849.9349 Ic = 0.2      111   Wed Apr 1 01:02:24 2020 ruijiu Detectors the detector cable is disconnected.        112   Wed Apr 1 01:05:36 2020 ruijiu Detectors detector position fixed at 60 mm The detector cable was disconnected . We entered and reconnected the cable.      113   Thu Apr 2 02:36:48 2020 Ragan General Stochastic cooling and orbit problem On 1 April by 5 pm, we could stop the stochastic cooling after the stacking process and also change the orbit of the Tl beam to centre.      114   Thu Apr 2 02:38:32 2020 Ragan, Yuri, Sergey, Esther, Oliver Runs First measurement with zero storage time beam: 205Tl81+ (with no scraping) energy: 400 MeV/u storage time: zero      115   Thu Apr 2 02:46:57 2020 Ragan, Yuri, Sergey, Esther, Oliver Runs Measurement with 2 hrs storage time      116   Thu Apr 2 05:00:44 2020 Ragan, Esther, Oliver Runs Second measurement with 2 hrs storage time Electron cooler was off here. Thus, this measurement is not what we needed. (in the picture below, it can be seen that      117   Thu Apr 2 06:25:13 2020 Ragan Runs Template beam: 205Tl81+ (no scraping) energy: 400 MeV/u storage time: ___ hrs      118   Thu Apr 2 07:01:32 2020 Ragan, Esther, Oliver Runs Measurement with 4 hrs storage time beam: 205Tl81+ (no scraping) energy: 400 MeV/u storage time: 4 hrs      119   Thu Apr 2 09:21:19 2020 Ruijiu Runs 2nd measurement with 2 hrs storage time (repeat) Because the electron cooler was not switched on during beam accumulation in the previous measurement, we repeat this measurement again.      120   Thu Apr 2 12:52:25 2020 ruijiu General setup FRS with 2 g/cm2 degrader. Yuri sets up FRS with 2 g/cm2 degrader (previous one is 1 g/cm2). The ESR is not changed. The contamination should be less now.      121   Thu Apr 2 15:24:15 2020 Ragan General How to know whether electron cooling is working For Alle and Kuehler the bottom left status should look like as shown in pictures below.      122   Thu Apr 2 21:03:40 2020 Ragan, Yuri, Sergey, Nikos Runs Zero hour measurement (S2:-10/35 mm) beam: 205Tl81+ (no scraping, Al ~1g/cm2) energy: 400 MeV/u storage time: zero hrs      123   Thu Apr 2 21:10:57 2020 Ragan, Yuri, Sergey, Nikos Runs One hour measurement (S2:-10/35 mm) beam: 205Tl81+ (no scraping, Al ~1g/cm2) energy: 400 MeV/u storage time: 1 hrs      124   Thu Apr 2 21:12:39 2020 Ragan, Nikos, Pierre-Michel, Dima Runs Three hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 3 hrs      125   Fri Apr 3 00:39:07 2020 Ragan, Pierre-Michel, Dima Runs Half hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      126   Fri Apr 3 01:22:13 2020 Ragan, Pierre-Michel, Dima Runs One hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 1 hr      127   Fri Apr 3 03:18:06 2020 Ragan, Pierre-Michel, Dima Runs Zero hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      128   Fri Apr 3 03:19:46 2020 Ragan, Pierre-Michel, Dima Runs Half hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      129   Fri Apr 3 03:59:14 2020 Ragan, Pierre-Michel, Dima Runs Two hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 2 hr      130   Fri Apr 3 04:36:21 2020 Ragan, Pierre-Michel, Dima General Electron cooler problem which was then solved 04:09 Electron cooler had some problem when we were stacking for 2 hours measurement. 04:20 GECEBG2T and GECEBG5T were Reset and      131   Fri Apr 3 06:35:37 2020 Ragan, Pierre-Michel, Dima, Mei, Shahab Runs Half hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      132   Fri Apr 3 10:06:15 2020 Shahab Runs Plots from Scopes Just two plots from the scopes for documentation: magnets.png:      133   Fri Apr 3 11:52:27 2020 Shahab Runs Stacking 54 times!        134   Fri Apr 3 11:59:50 2020 Ragan, Pierre-Michel, Dima Runs Four hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 4 hr      135   Fri Apr 3 12:02:32 2020 Ragan, Mei, Shahab Runs Half hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      136   Fri Apr 3 13:21:16 2020 Ragan, Mei, Shahab Runs Zero hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      137   Fri Apr 3 13:39:58 2020 Ragan, Mei, Shahab, Laszlo Runs Eight hour measurement (S2: 0/35 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 8 hr      138   Fri Apr 3 14:08:41 2020 Shahab Runs Stacking        139   Fri Apr 3 17:55:13 2020 Shahab Runs Nice picture from 205-Tl In this high contrast Schottky recording, the main three frequency peaks are resolved w.r.t. time from left to right:      140   Sat Apr 4 00:00:20 2020 Ragan, Laszlo, Pierre-Michel, Dima Runs Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      141   Sat Apr 4 00:11:23 2020 Ragan, Pierre-Michel, Dima Runs Half hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      142   Sat Apr 4 00:40:29 2020 Ragan, Pierre-Michel, Dima Runs Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      143   Sat Apr 4 03:06:12 2020 Ragan General Instructions if electron cooler goes off during long storage time measurements Please read the attachment.      144   Sat Apr 4 03:27:48 2020 Ragan, Pierre-Michel, Dima, Shahab Runs Six hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 6 hr      145   Sat Apr 4 10:32:16 2020 Ragan, Shahab Runs Five hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 5 hr      146   Sat Apr 4 13:41:04 2020 Shahab Runs cooler down cooler is down. only one device is off GECEBG2T. updated now it is working.      147   Sat Apr 4 15:59:16 2020 Ragan, Shahab, Alex, Esther Runs 0.5 hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr      148   Sat Apr 4 17:32:01 2020 Ragan, Alex, Esther General No beam in ESR The beam is coming from SIS but doesn't arrive in ESR because the quadrupole magnets in ESR have failed.      149   Sat Apr 4 18:29:44 2020 Ragan, Alex, Esther Runs 0 hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      150   Sat Apr 4 18:57:49 2020 Ragan, Alex, Esther General Timing problem with SIS & ESR and problems with stacking There are further problems with beam stacking in ESR. It works occasionally but keeps failing. There is also timing problem between SIS      151   Sat Apr 4 19:55:37 2020 Ragan, Alex, Esther Runs Failed measurement...Ten hour measurement (S2: 0/35 mm and S6: -20/7 mm) FAILED - measurement was stopped by sudden loss of the beam       152   Sat Apr 4 22:31:02 2020 Alex, Esther General Beam in ESR lost The beam in ESR was lost suddenly at ~22:20 due to a power supply failure of the quadrupoles.      153   Sat Apr 4 23:44:22 2020 Ragan, RuiJiu, Laszlo Runs Ten hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 10 hr      154   Sun Apr 5 10:21:54 2020 Shahab Runs 10 hour measurement pictures Schottky pictures from the 10 hour measurement gas target, including the time before gas target.      155   Sun Apr 5 10:31:08 2020 Ragan, Shahab Runs Two hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time:  hr      156   Sun Apr 5 12:48:58 2020 Shahab Runs 2hour measurement parent pictures    6x    157   Sun Apr 5 13:05:43 2020 Ragan, Shahab Runs Zero measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      158   Sun Apr 5 15:28:35 2020 Ragan, Alex, Esther Runs Four hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 4 hr  7x    159   Sun Apr 5 20:23:02 2020 Ragan, Alex, Esther Runs Half-hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr  7x    160   Sun Apr 5 21:50:02 2020 Ragan, Alex, Esther Runs Half-hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0.5 hr  7x    161   Sun Apr 5 23:28:01 2020 Ragan, Alex, Esther Runs One-hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 1 hr  7x    162   Mon Apr 6 01:02:00 2020 Ragan, Laszlo, Nikos Runs Three hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 3 hr  9x    163   Mon Apr 6 05:28:55 2020 Ragan, Laszlo, Nikos Runs Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 0 hr      164   Mon Apr 6 05:43:50 2020 Ragan, Laszlo, Nikos Runs One and a half hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 1.5 hr      165   Mon Apr 6 08:37:02 2020 Ragan, Shahab, Pierre-Michel Runs 10 hour measurement (S2: 0/35 mm and S6: -20/7 mm) beam: 205Tl81+ (no scraping , Al ~1g/cm2) energy: 400 MeV/u storage time: 10 hr  8x    166   Mon Apr 6 09:34:58 2020 Shahab Runs Pictures from one and a half hour measurement cheers!      167   Mon Apr 6 14:17:54 2020 Yuri, Shahab Runs FRS valves We saw reduction in ESR beam life. It turned out that FRS has opened valves and venting caused us reduction of the quality of vacuum      168   Mon Apr 6 14:57:04 2020 Shahab Runs cooler down cooler component GECEBG2T again had to be reset.      169   Mon Apr 6 20:03:50 2020 Ragan General Experiment finished )) E121 experiment is finished with the last 10 hours measurement at 19:47 )) Many thanks to everyone for there significant      170   Thu Apr 9 11:16:35 2020 Ragan General Measurements done in the experiment        171   Thu Apr 9 11:47:28 2020 ruijiu   backup data 2020.4.8  12:00Started copying  data。 2020.4.9    11:52 Copied 6.3TB       172   Fri Apr 17 18:27:34 2020 ruijiu Analysis backup data 1.connect USB harddisk  to computer lxg1254 and  copy data to sever.      173   Mon Apr 20 11:17:18 2020 Ragan General Logbook        174   Wed Aug 5 17:19:16 2020 Rui-Jiu Chen Analysis Data structure        175   Thu Oct 1 22:20:03 2020 Jan DAQ final unpacker config We identified an issue with randomly missing adc channels in all lmd-files before run 0273.      176   Mon Nov 2 16:45:55 2020 Jan DAQ f_user & mbslog Attached is the f_user.c and the mbslog.l files. The readout function is for the following      177   Thu Nov 5 15:13:43 2020 Jan Analysis root script example Attached is an example root script/macro that shows how to use scripts for analysis.      178   Thu Nov 19 09:14:40 2020 Jan Detectors remote MSCF settings for CsISiPHOS Attached is a list of all set values for the 5 MSCF shaper modules. This was done prior to run0251, which served      180   Tue Dec 8 15:47:07 2020 Jan Detectors manual preamp & shaper settings for CsISiPhos attached is a document showing fotos of all involved amplifiers in the chain to document the manual settings active during the experiment.      181   Tue Dec 15 09:25:41 2020 Jan DAQ SiCsIPhos signal/amplitude reconstruction        182   Mon Mar 29 16:31:09 2021 Pierre-Michel DAQ cross section (1.393*^-8 + 3.18*^-13 + 4.707*^-8)/4.707*^-8 = 1.29595      183   Sun May 30 12:09:00 2021 Ragan General NTCAP Attached is the info given by Carsten. The instructions to operate NTCAP are given on https://wiki.gsi.de/ESR_EXP/ManualOfNTCAP      184   Wed Aug 25 15:13:41 2021 Jan DAQ SC13 clock frequency The frequency of the clock used as reference in scaler channel 13 has been measured precisely. In contrast to what was expected (1.5MHz

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