| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
1
|
Wed Jun 15 13:11:38 2022 |
Guy Leckenby | DAQ | Signal Diagram | Attached is the signal mapping that will be
used for the BEAVERTAIL test.
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2
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Fri Jun 17 15:32:47 2022 |
Guy Leckenby | Electronics | Preamp Settings | Bias Select: In general, higher bias resistors
-> lower electronic noise. However, higher
resistance = larger voltage drop due to leakage |
|
|
3
|
Mon Jun 20 10:36:56 2022 |
Guy Leckenby | DAQ | DAQ Startup Commands | Three terminals/processes are required to
record data on a local machine.
1. log in x86l-131.
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4
|
Tue Jun 21 02:37:07 2022 |
Guy Leckenby, Iris Dillmann, Chris Griffin | General | Run notes | Beam: 208Pb(82+), 269.0 MeV/u, ~2*10^7 ions
in ESR
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5
|
Wed Jun 22 18:01:18 2022 |
Guy Leckenby | Detectors | Detector Arrangment | Attached is the detector arrangement for the
3 setups used during the tests. |
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6
|
Wed Jun 22 19:14:12 2022 |
Guy Leckenby | DAQ | FBEX Script Choices | Here were the f_user.c choices we implemented
for this experiment.
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7
|
Tue Jun 28 17:42:53 2022 |
Guy Leckenby | DAQ | Cabling Changes | In the previous signal map, I incorrectly
mapped the DSSD channels. To correctly read
out the DSSD for the new test, we will swap |
|
|
8
|
Fri Jul 29 15:33:08 2022 |
Guy Leckenby | Electronics | Results of Noise Testing | Uwe and I were able to get some noise testing
done before the ESR was closed with asbestos
exposure. We used the new flange so didn't |
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9
|
Mon Nov 7 14:14:38 2022 |
Chris Griffin, Guy Leckenby | Electronics | MSI-8 module details | MSI-8 module details.
MMPR1 card configurations:
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10
|
Fri Nov 11 10:27:59 2022 |
Chris Griffin, Guy Leckenby | Detectors | Current leakage currents | Attached are photos of leakage currents for
the current GAGG and BGO setups.
This setup uses the new flange (blue gas |
|
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11
|
Tue Nov 15 14:30:25 2022 |
Chris Griffin | Electronics | Old flange noise | Last week we tested both the new and old flanges
with the GAGG housing set up described in
the previous ELog entry.
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|
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12
|
Thu Nov 17 13:42:16 2022 |
Chris Griffin | Detectors | Detector config changes | I have changed the configuration of Housing
2 (BGO) to account for the detector being
fixed (bond wires) and provide a "plug-and-play" |
|
|
14
|
Mon May 29 12:23:48 2023 |
Guy Leckenby, Chris Griffin | Electronics | Old flange noise re-tests | Whilst constructing a new flange to replace
the old one, we did some tests again to compare
the performance of new vs old flange.
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|
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15
|
Thu Jun 1 09:39:24 2023 |
Guy Leckenby, Chris Griffin | Electronics | New new flange test | We tested the new new flange using the same
setup as in ELOG entry 14. The noise level
seemed to be somewhere between the middle |
|
|
16
|
Thu Jun 1 10:42:31 2023 |
Guy Leckenby | Electronics | Summary of Preamp Testing | MSI-8 and MPR-16 preamps have nominal differential
output ranges of +/-1.8V and +/-1.2V respectively
at maximum input (ie 5GeV).
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|
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17
|
Tue Dec 12 12:57:16 2023 |
Jan | DAQ | test lmd-files with pulser | We took a few lmd-files with different settings
of the febex DAQ to provide data for go4
development, when the DAQ is not running.
|
|
|
18
|
Mon Mar 24 14:44:14 2025 |
C Griffin, M Cockshutt, I Dillmann | General | April 2025 experiment setup | Further PLEIADES tests are to be carried out
during E018 and E203. This will be an important
test of PLEIADES operation in isochronous |
|
|
19
|
Fri Mar 28 13:31:53 2025 |
CG, ID, MC, JG | General | Dual PLEIADES installation at ESR | PLEIADES detectors were installed in both
the inside and outside pockets after the
dipole behind the gas jet.
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20
|
Fri Mar 28 20:45:08 2025 |
CG | Electronics | MSI-8 configurations | The MSI-8 modules were reconfigured to properly
instrument the current setup.
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21
|
Fri Mar 28 22:45:24 2025 |
CG | Detectors | Bias problems | After testing the biasing scheme for all detectors,
two problems emerge.
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22
|
Sat Mar 29 15:51:46 2025 |
CG, JG, MC, ID | General | DAQ setup | ********************************************
** Setup of DAQ x86l-131 (outside pocket)
**
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23
|
Sat Mar 29 17:19:46 2025 |
CG, JG, MC, ID | General | Sample data file | Data files written to /mnt/raw.data/e0203_e0018.
From MBS computers:
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|
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24
|
Sat Mar 29 17:53:13 2025 |
CG, ID, MC | Electronics | Bias remote control | The MHV modules are set up for remote control.
This can be accessed via the mesycontrol
software running on x86l-128.
|
|
|
25
|
Mon Mar 31 17:55:16 2025 |
JG | DAQ | DAQ overview | The DAQ is running of 4 different nodes/PCs,
that can be accessed by ssh using the user
litv-exp.
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|
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26
|
Mon Mar 31 18:21:37 2025 |
JG | DAQ | ESR scaler mapping | This is the list of scaler channels used at
the VME ESR DAQ on x86l-204:
|
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27
|
Mon Mar 31 18:35:46 2025 |
JG | DAQ | lmd files on ESR NAS | The files of each MBS node or the timesorter
are written to the ESR NAS by the RFIO server.
The server is running on the virtual machine |
|
|
28
|
Tue Apr 1 17:18:10 2025 |
ID, MC, CJG | Detectors | Both PLEIADES detectors in beam | We started inserting the inside and outside
detector, see
https://elog.gsi.de/esr/E0203_E0018/46
|
|
|
30
|
Tue Apr 1 22:41:52 2025 |
CG | Detectors | Climbing leakage currents | The experiment has been running stably during
the afternoon.
DAQ rates have remained constant and the |
|
|
31
|
Tue Apr 1 23:00:41 2025 |
CG | General | Run stopped and detectors moved back | Due to the continued rise in leakage currents,
I have stopped the run, moved the detectors
completely back and turned off the
|
|
|
32
|
Thu Apr 3 13:09:28 2025 |
JG | DAQ | 194Pb MBS settings | The settings of the MBS daq during the first
data taking with fragments around 194Pb (W.Korten
experiment) was not entirely correct:
|
|
|
33
|
Thu Apr 3 13:24:31 2025 |
CG | Detectors | Bias problem diagnosing | During an access break to the ESR, I made
a few tests with the bias scheme to see if
we could better understand some of the weird |
|
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34
|
Thu Apr 3 14:53:13 2025 |
ID | Detectors | Link to leakage current Google doc | Please enter the leakage currents from the
mesycontrol every ~1h into this Google document:
|
|
|
35
|
Thu Apr 3 17:37:04 2025 |
CJG, GL, MC | General | Detectors in position, taking data | The inner detector was moved into position.
The device control for the outer detector
is not responding and I am not an expert/don't |
|
|
36
|
Fri Apr 4 16:12:36 2025 |
CJG, GL, MC, JG, ID | General | Moving PLEIADES in | 186Hf now stored stably in the ring.
Will move both detectors in to position.
|
|
|
37
|
Fri Apr 4 16:27:11 2025 |
CJG, GL, MC, JG, ID | General | PLEIADES in position | Inner PLEIADES detector moved into position
at +2mm.
Again, the outside pocket cannot be moved.
|
|
|
38
|
Fri Apr 4 21:15:13 2025 |
CJG, GL, MC, ID | General | Changes to setup | After talking to T. Davinson this afternoon
a few things became clearer.
|
|
|
39
|
Sat Apr 5 12:28:20 2025 |
CG, GL, ID | General | Detector moved in | Inside pocket moved in to 2mm
run0024 started @ 12:27:50 |
|
|
40
|
Sat Apr 5 12:38:49 2025 |
CG | General | Current status | Given that I hope we are now moving towards
stable operation, here is the current status
of detectors for run0024 on...
|
|
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41
|
Sat Apr 5 12:54:20 2025 |
CG, MC | Detectors | Bias curves | Bias curves were completed for most detectors
yesterday evening.
|
|
|
42
|
Sat Apr 5 13:20:10 2025 |
ID, CG, GL | General | MHV-4 max current | The leakage currents are 6-7 micro-amps for
the Si pads at the moment. The max current
for the MHV-4 is 20 microamps PER CHANNEL, |
|
|
43
|
Sat Apr 5 14:11:55 2025 |
CG, GL, ID | General | Run stopped - detectors toast? | run0034 stopped at 14:11
Leakage currents are increasing and once |
|
|
44
|
Sat Apr 5 15:19:11 2025 |
Team PLEIADES | General | Run started | 15:14 Started run #35: inside pocket at 20
mm.
Trigger mask changed. Gated only in ch8 in |
|
|
45
|
Sat Apr 5 17:49:06 2025 |
CG, GL, ID | Detectors | Outside detector moved in | After some Sergey-magic the outside pocket
moves again. We slowly moved the outside
detector in, we are clipping the beam at |
|
|
46
|
Mon Apr 7 20:00:13 2025 |
Guy | General | Results of scope test | At 10:50am today, we connected a remote Picoscope
to the first 4 n-sides, one end of both resistive
chains, and both crystal channels to directly |
|
|
47
|
Tue Apr 8 09:53:45 2025 |
GL, ID, CG, MC | | Moving in Outside Detector | At 9:53 we moved the outside detector in to
take a short data run. We went -110 mm compared
to a fully retracted position -126 mm. Data |
|
|
48
|
Tue Apr 8 11:37:30 2025 |
GL, ID, CG, MC, JG | | Moving in Outside Detector | We start recording data in run 39 and the
outside detector is moved to -100 mm at 11:36.
At 11:59 the detector was moved back to the |
|
|
49
|
Wed Apr 9 10:38:05 2025 |
CG | General | End of experiment | Final injection stored in ring around 10:00
and will be stored for ~1h.
Both detectors are in the parked position |
|
|
50
|
Wed Apr 9 11:02:35 2025 |
Team PLEIADES | Detectors | Beam stopped, voltages off | 11:01 All voltages turned off. Remote control
disabled. |
|
|
51
|
Thu Apr 10 14:58:02 2025 |
CG, MC | General | Post-run bias curves | BGO detector assembly originally on flange
A.
GAGG " " flange |
|
|
52
|
Fri Apr 11 14:07:39 2025 |
CG | General | End of run summary | All detector components are now in safe storage
in Jan's container.
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|