| 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  
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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  
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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.
 
 | 
     |