| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
53
|
Wed Jun 12 18:48:43 2024 |
Afternoon shift | Runs | First laser scans | [TABLE border="1"]
Time | Part. Det. Int | ESR-intensity| cooler-HV
| LMD-DAQ1 Files | LMD-DAQ2 Files | scan |
|
|
68
|
Thu Jun 13 18:03:36 2024 |
Afternoon shift | Runs | Continuation: First scans | [TABLE border="1"]
Time | Part. Det. Int | ESR-intensity| cooler-HV
| LMD-DAQ1 Files | LMD-DAQ2 Files | scan |
|
|
73
|
Fri Jun 14 06:38:41 2024 |
Konstantin Mohr, Bernhard Maass, Peter Micke, Lukas Kau, Dounia Boudefla | Runs | Morning runs | Very successful shift, no crashes until 11:10
Previous night shift had problems with the
pulse laser starting around 3am.
|
|
|
77
|
Fri Jun 14 14:44:51 2024 |
Afternoon shift | Runs | Afternoon shift | Pizza shift
[B]the scan direction is from higher wavelength |
|
|
3
|
Thu Apr 25 16:34:05 2024 |
Rodolfo | Laser | Efficiency of Fluorescein27 | The figure below shows the efficiency of Fluorescein27
vs. Wavelength. Each point was averaged over
500 laser shots.
|
|
|
5
|
Wed May 29 09:49:30 2024 |
Rodolfo | Laser | Laser-beam profile | Using a telescope (Plan-concave lens -500
mm and Plan-convex lens +1000 mm) after the
pulsed-dye laser system we got the following |
|
|
16
|
Mon Jun 3 19:42:06 2024 |
Rodolfo | Laser | Laser-beam through E-Cooler | UV-laser beam is now going through the Electron-Cooler.
|
|
|
20
|
Thu Jun 6 07:12:49 2024 |
Konstantin Mohr | Laser | T-Scraper | The T-Scrapers can be driven by DeviceControl,
which must be started from a console. To
do so, first open the app-launcher and then |
6x |
|
30
|
Fri Jun 7 11:14:04 2024 |
Rodolfo | Laser | Trigger-signal for MRC | We are using a 2-Channel Function Generator
(from Textronik) to generate the trigger
signal for the MRC Beam Stabilization.
|
|
|
43
|
Tue Jun 11 21:38:35 2024 |
Julian, Imke, Rodolfo | Laser | Wavemeter HeNe long time stability | The HeNe was running over night and the measured
laser frequency of the wavemeter was logged,
see picture.
|
|
|
51
|
Wed Jun 12 17:12:13 2024 |
Julian, Danyal, Rodolfo | Laser | Timing für 229Th89+ | We did the timing Ion-Beam Laser-beam time
overlap.
|
|
|
69
|
Thu Jun 13 18:23:46 2024 |
Julian | Laser | Restarting the laser controller | If the laser controller is locked up again,
the little display will show an error message
after an attempted medusa scan.
|
|
|
70
|
Thu Jun 13 18:38:24 2024 |
Rodolfo Sanchez, Julian Palmes, Sebastian Klammes | Laser | Laser Dye change - new MRC settings - scraper checks of laser beam | We changed the dye at ~3pm.
After some fine adjustements of the laser |
|
|
1
|
Tue Apr 16 14:42:37 2024 |
Jan | General | G-PAC Proposal | |
|
|
2
|
Tue Apr 16 16:28:21 2024 |
Danyal | General | Great | Thanks Jan! |
|
|
6
|
Wed May 29 10:54:21 2024 |
Shahab, Jan | General | Gas Target Events with new timing system | Using the new timing system, it is possible
to grab any events as pulses, but also as
long inter event gates under GENESYS. Many |
|
|
Draft
|
Thu Jun 6 07:54:15 2024 |
Danyal | General | pressure gauges and ion pumps | yesterday (05.06.2024), firstly, the two ion
pumps (underneath the fluorescence chamber)
were switched off by the vacuum group (Björn |
|
|
32
|
Fri Jun 7 17:10:45 2024 |
Sebastian | General | XUV LED | Maximum XUV LED Voltage: 6.5V |
|
|
35
|
Sat Jun 8 13:11:52 2024 |
Carsten | General | Put the go4login in atplaser .bashrc | Put the go4login in atplaser .bashrc in order
to avoid that one always has to go to the
go4 directory to set the environment variable.
|
|
|
42
|
Tue Jun 11 21:23:11 2024 |
Julian, Imke | General | How to read out voltage | 1.) If not already opened, open the Medusa
Laser Control software, see picture:
2.) In the "view" submenu, choose "proteus |
|
|
60
|
Thu Jun 13 10:42:02 2024 |
Danyal | General | Question | What is the ion beam lifetime, according to
the DCCT and Schottky?
Can somebody measure it, please?
|
|
|
76
|
Fri Jun 14 13:14:29 2024 |
Konstantin, Bernhard, Peter, Lukas | General | DAQ crashes at :10 | 10 Minutes past a full hour (XX:10) the windows
PCs (sometimes) loose connection.
This causes the labview server & the laser |
|
|
13
|
Sat Jun 1 19:19:07 2024 |
Carsten | Detectors | Reminder: Check signals in scope and in DAQ of detectors with voltages switched off (vs. CFD threshold) | When the ion pumps and vacuum gauges are switched
off the scaler data of
PMT_south, PMT_middle, PMT_north, PD_NO, |
|
|
15
|
Mon Jun 3 18:24:44 2024 |
Rodolfo | Detectors | PMT arrangement | The picture shows the actual configuration
of the PMTs.
|
|
|
17
|
Tue Jun 4 22:54:02 2024 |
Rodolfo | Detectors | PMT - Manufacture - Test Result Data | |
|
|
19
|
Wed Jun 5 19:22:43 2024 |
Carsten, Konstantin, Rodolfo | Detectors | PMT tests and preliminary thresholds | For all channels of the CAEN CFD the width
of the logic signal is set to 255ns (maximum)
to mitigate potential double pulses. For |
|
|
26
|
Thu Jun 6 19:42:20 2024 |
Carsten | Detectors | Exchange of amplifer channels / cables channels / HV voltage cables for PMT south | In order to check if the problem of regular
burst of pulses on the PMT south is related
to amplfier channels and or the HV cable, |
|
|
31
|
Fri Jun 7 15:29:50 2024 |
Rodolfo | Detectors | Stored beam @ ESR | One of the first PMT signals from the stored-ion
beam @ ESR |
|
|
33
|
Sat Jun 8 12:02:20 2024 |
Carsten | Detectors | Test Particle Detectors - Det South not working | With the test beam from ESR I started to have
a look at the PartDets.:
North outside: Works properly with a voltage |
|
|
36
|
Sun Jun 9 10:08:24 2024 |
Carsten/Danyal | Detectors | Particle detectors - Recap of yesterdays work | [B]South (behind cooler) - "SA_SZ" - DD2...[/B]
We have put the particle detecotr North to
the poistion behind the cooler (north) to |
|
|
37
|
Sun Jun 9 10:20:38 2024 |
Carsten/Danyal | Detectors | Recap from yesterdays work with test beam (Detectors / beam /DAQ) | In the ESR we had thw whole day (saturday)
a 400MeV/u bunched 238U92+ test beam (about
2 MHz). The RF signal is cabled as input |
|
|
54
|
Wed Jun 12 21:21:15 2024 |
Yuri | Detectors | NTCap started | Fcenter - 244.6 MHz
BW - 10 MHz |
|
|
4
|
Mon May 27 13:37:31 2024 |
Jan | DAQ | MesyTec Shaper Control | For the 2nd DAQ the MesyTec Shaper ([URL=https://elog.gsi.de/esr/NucAR+lab/230418_110112/MesyTec_MSCF16-F-V.pdf]MSCF
manual[/URL]) is used as a spectroscopy amplifier
and CFD.
|
|
|
7
|
Fri May 31 15:53:06 2024 |
Ruijiu Chen | DAQ | run NTCAP system | NTCAP is working again.
Connect the RF cable and the scaler cables
to NTCAP system.
|
|
|
8
|
Fri May 31 16:49:52 2024 |
Carsten | DAQ | Wiring DAQ 1 | Started to Check the wiring.
Status as of 2024-05-31
|
|
|
9
|
Sat Jun 1 18:00:20 2024 |
Carsten | DAQ | ReadOut Trigger im Timer Scaler changed because of faulty signal from frequency generator | Old readout trigger (~200 Hz) in 1MHz Scaler
showed two nearby peaks indicating a jitter
of the readout frequency or same faulty output |
|
|
12
|
Sat Jun 1 19:00:57 2024 |
Carsten | DAQ | Change of (offline) frequency for common stop (CS) of VUPROMs (and 2nd TDC) and scaling factor | Temporarily, for tests of the second DAQ I
changed the frequency from the frequency
generator and scaling factor that is used |
|
|
14
|
Sun Jun 2 00:01:46 2024 |
Carsten | DAQ | 25ps TDC CAEN V1290N DAQ2 lead to crash in DAQ2 due to a hardware issue | On the CAEN V1290N TDC the piggy board for
the lower 8 channels is not fixed well to
the motherboard.
|
|
|
24
|
Thu Jun 6 09:23:53 2024 |
Konstantin Mohr | DAQ | Timing | The best way to adjust the bunch-laser timing
is to start go4 (mbs must be running) from
atppc023. Therefore use x2goclient and use |
|
|
25
|
Thu Jun 6 09:39:23 2024 |
Carsten | DAQ | Preliminary Channel Table (DAQ1 and DAQ2) | |
|
|
27
|
Thu Jun 6 19:47:01 2024 |
Carsten | DAQ | Exchange of Mesytec CFD/shaper - noise on signal lines from ESR magnets | Jan exchanged the Mesytec CFD/shper since
it could not be "remote controlled" anymore.
The new one has different shaping times and |
|
|
29
|
Fri Jun 7 09:15:31 2024 |
Carsten | DAQ | Updated Channel List | |
|
|
34
|
Sat Jun 8 12:45:05 2024 |
Carsten | DAQ | Temporary change of RF signal | The setting was 1.540974 MHz and division
factor 68 (for a 200 MeV/u) beam, and the
signal was taken from a signal generator.
|
|
|
38
|
Mon Jun 10 08:57:35 2024 |
Carsten/Konstantin | DAQ | Further Tests from Sunday 2024-06-09 - new voltages and tresholds for PMTs - testdata in files | Voltages and thresholds increased for PMT
Middle and North (in order to account for
the ADC measurement in DAQ2
|
|
|
39
|
Mon Jun 10 09:17:38 2024 |
Carsten | DAQ | Updated Channel List | |
|
|
41
|
Tue Jun 11 09:17:46 2024 |
Julien, Konstantin, Lukas | DAQ | Important commands (DAQ1) | To connect to the DAQ1 pc, open a terminal
and type:
ssh atplaser@r4l-41
|
|
|
10
|
Sat Jun 1 18:14:01 2024 |
Carsten | Analysis | DAQ and analysis directories | [U][B]DAQ1 (original):[/B][/U]
-user atplaser
-runs on lxg1297
|
|
|
11
|
Sat Jun 1 18:55:18 2024 |
Carsten | Analysis | Go4 Analysis Version for DAQ1 (atplaser) | Small enhancements and minor corrections /
bug fixes are made to the original version
of the online GO$ for DAQ1.
|
|
|
40
|
Mon Jun 10 11:59:12 2024 |
Ruijiu Chen | Analysis | The ion identification of spectrum recorded on 2022 | The simulated frequency is given in simulation_result.out.
The yield is calculated by LISE file. The
LISE file is attached here also. |
|
|
46
|
Wed Jun 12 01:51:51 2024 |
RuiJiu, David | Analysis | ID | The preliminary identification has been thoroughly
checked using the RionID software. We have
confirmed that the identification is accurate.
|
|
|
62
|
Thu Jun 13 12:37:14 2024 |
Ruijiu Chen, David | Analysis | Lifetime of beam in center of mass is 193 s. | |
|
|
63
|
Thu Jun 13 13:29:47 2024 |
Ruijiu Chen, David | Analysis | Lifetime of beam during June 12 22:00- June 13 0:00 | |
|
|
64
|
Thu Jun 13 14:20:36 2024 |
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 4:30:7:00 | |
|
|
65
|
Thu Jun 13 14:35:27 2024 |
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 7:00~9:00 | |
|
|
66
|
Thu Jun 13 14:41:22 2024 |
Ruijiu Chen, David | Analysis | Lifetime of beam during June 13 9:00~11:00 | |
|
|
71
|
Thu Jun 13 18:48:26 2024 |
Ruijiu Chen, David, Shahab, Yuri | Analysis | The ion identification of 229Th is correct. | Harmonic: 124.0 , Bp: 7.796046 [Tm]
ion fre[Hz]
yield [pps]
|
|
|
79
|
Wed Jun 26 11:59:12 2024 |
Ruijiu, Shahab, Carsten | Analysis | Prepare plots for Thomas's presentation | data:
(env_OnlineDataAnalysisSystem) litv-exp@lxbk0497:/lustre/astrum/experiment_data/2024-05_E018/OnlineDataAnalysisSystem/data/iq/IQ_2024-06-
12_21-47-54$
|
6x |
|
18
|
Wed Jun 5 14:17:36 2024 |
Carsten | Accelerator | Distance Cooler Detector | Calculation from Helmut Weick (copied from
E142)
Distance e-cooler to particle detectors chamber:
|
|
|
22
|
Thu Jun 6 08:16:36 2024 |
Danyal | Accelerator | scraper info by Robert Boywitt | attched is more info about the T-scrapers
(E-cooler) by Robert Boywitt (Tel: 2067 or
3357) |
|
|
28
|
Thu Jun 6 19:51:11 2024 |
Carsten | Accelerator | ESR crew left after persisting problems with ESR magnets | No beam today.--. |
|
|
44
|
Tue Jun 11 22:59:06 2024 |
Carsten | Accelerator | Identification / NTCAP started | ESR is set-up in most parts.We are trying
to identify our 229Th89+. It is more cumbersome
then exspected because of the thick target |
|
|
45
|
Tue Jun 11 23:46:06 2024 |
Carsten )))) | Accelerator | ID | ----
The frequency of the primary beam 238U82+
at the injection:
|
|
|
48
|
Wed Jun 12 09:43:57 2024 |
Carsten | Accelerator | Stopped NTCAP at 9:43 | Setup at ESR is carried on - stopped the long-time
NTCAP run from overnight, |
|
|
49
|
Wed Jun 12 12:12:44 2024 |
Konstantin Mohr, Julien Spahn, Jonas Koedel, Bernhard Maass | Accelerator | First Scraper Scan | Thorium is in the ESR, we have time to check
the beam position with the scrapers.
Beam Intensity in the ring 6E-5
|
|
|
57
|
Thu Jun 13 02:05:04 2024 |
Carsten | Accelerator | Short Lifetime at 100 mA | Lifetime still is short |
|
|
58
|
Thu Jun 13 10:06:35 2024 |
Constantine, Peter, Lukas, Jonas, Dounia, Carsten | Accelerator | Suspected Beam Troubles (is it really 229-Thorium?) | From experience, the lifetime of the beam
in the storage ring should be on the order
of magnitude of hours, however, we observer |
|
|
59
|
Thu Jun 13 10:32:29 2024 |
Konstantin | Accelerator | (Proper) Cooler settings | We change the acceleration voltage of the
electron cooler and observe the platform
high voltage and the count rate at the particle |
|
|
61
|
Thu Jun 13 12:05:31 2024 |
Konstantin, Peter, Jonas | Accelerator | RF-amplitude | To realize the shortest bunches possible,
we check the bunch length as a function of
two different bunching amplitudes. With the |
|
|
67
|
Thu Jun 13 14:56:09 2024 |
Stefan Schippers | Accelerator | Estimated beam lifetime: About 150 s | Estimate of storage lifetime using my code
'hydrocal':
|
|
|
72
|
Thu Jun 13 22:08:07 2024 |
Dayshift | Accelerator | Problems with Accelerator? | It seems to be that there are some problems
with the injections in the ESR.
The last 2 accumulation cycles showed that |
|
|
74
|
Fri Jun 14 11:44:23 2024 |
Carsten Brandau | Accelerator | Cooling Time in SC7 increased from 9s to 12s | Cooling Time in SC7 increased from 9s to 12s |
|
|
78
|
Sat Jun 15 03:46:34 2024 |
Night shift | Accelerator | GSI down | All quadrupole and dipole magnets at SIS and
ESR are out of order. Repairs can be expected
earliest tomorrow evening. No shifts will |
|
|
47
|
Wed Jun 12 09:17:43 2024 |
Carsten | | Tests of background with ionization pumps on (from monday) | On monday the ionization pumps were switch
on to test the background, and if it is possible
to run with the pumps switched on.
|
|
|
55
|
Wed Jun 12 22:48:55 2024 |
Carsten | | Beam Halo | The seamingly short live time reported in
[URL=https://elog.gsi.de/esr/E0052/53]entry
53[/URL] is due to a halo from a different |
|