| 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 | 
   |