| ID |
Date |
Author |
Category |
Subject |
Text |
 |
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1
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Fri Apr 25 15:45:39 2025 |
Jan Glorius | DAQ | DR DAQ - MBS & Go4 | The DR DAQ is located in AP Messhuette, here
is the basic info.
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Draft
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Wed Apr 30 19:59:18 2025 |
Carsten | DAQ | DR_DAQ | enum{TRIG_INJECTION=1,
TRIG_NEWRAMP=2,
TRIG_NEWVOLTAGE=3,
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3
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Mon May 5 11:29:28 2025 |
Rodolfo, Simon, Nils, Volker | Detectors | PMTs | These are the PMTs installed at the optical
detection region:
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4
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Mon May 5 16:26:07 2025 |
Carsten | DAQ | DR Computer Names and IPs | Computers used for control of HV amplifiers
and DR microcontrollers are
[LIST]
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5
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Mon May 5 21:13:29 2025 |
Rodolfo | Laser | Collimation of laser beam | Here some parameters for the collimation of
the laser beam
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6
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Tue May 6 15:35:12 2025 |
Rodolfo, Konstantin | Laser | MRC Settings | Following settings (P-Factor, Directions and
Bandwidth) are used for the laser beam stabilization.
Full energy (ca. 150 mJ @ 593 nm).
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7
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Wed May 7 14:02:58 2025 |
Konstantin | DAQ | DAQ Folder | The folder of the data acquisition are:
[B]Go4[/B] (atplaser@lxg1297):[B] ~/go4/drals[/B]
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8
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Wed May 7 17:29:19 2025 |
Rodolfo, Simon | DAQ | Fast Photodiodes | Signal for the fast photodiodes. The laser
beam
[LIST]
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9
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Wed May 7 20:31:52 2025 |
Carsten | DAQ | DRALS cabling (DR part) | [B] Green Corner, patch panel to ESR[/B]
All signals from/ to ESR TTL 5V.
Signals are GND decoupled with grey boxes! |
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10
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Thu May 8 10:11:37 2025 |
Carsten | General | Schottky spectrum ( 2 Harmonics) from the earlier 209Bi80+ Libelle run (thesis C. Trageser) | |
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11
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Thu May 8 10:21:10 2025 |
Carsten | | Link to thesis of C. Trageser NTCAP/ Automated Schottky analysis of cooler voltage and space charge) | The thesis of Christian might be helpful w.r.t.
to energy calibration as it shows how to
link Schottky frequency to ion energy (might |
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12
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Thu May 8 13:33:13 2025 |
Rodolfo, Simon | Laser | Camera @ South-West Screen | Network camera to monitor the position of
the laser beam after the electron cooler.
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13
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Thu May 8 17:23:51 2025 |
Shahab | General | Schottky TV | setup Schottky TV:
connect to atppc030 using:
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14
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Thu May 8 19:35:18 2025 |
Simon | | PMT count rates | I tested the PMTs and tried to reduce the
background signal as far as possible.
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15
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Thu May 8 22:50:37 2025 |
Carsten | DAQ | Preliminary Timing Settings | Tentatively:
[B]DAC:[/B]
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16
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Thu May 8 23:36:19 2025 |
Konstantin | DAQ | Fileserver | To save files, the rfio-server must be started
on lxg1297 in the folder /data.local2/BiDrals/.
The file structure is
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17
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Fri May 9 00:56:07 2025 |
Konstantin | DAQ | First Files | Files 91 + 92 were recorded with the Trigger
logic as explained in [URL=https://elog.gsi.de/esr/E0038/15][COLOR=blue][B]ID
15[/B][/COLOR][/URL]. The laser was scanned |
|
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18
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Fri May 9 14:21:18 2025 |
Rodolfo | Accelerator | T-Scrapers | Information about the T-Scrapers at the ESR
Electron Cooler. The width of the scraper
is approx. 9 mm.
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19
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Fri May 9 17:47:07 2025 |
Konstantin | DAQ | HV Divider | The HV voltage applied at the high-voltage
platform of the electron cooler can be observed
at [URL=https://lxyrpc01.gsi.de/grafana/d/bec8zc1424agwc/esr-electron-cooler-voltages?orgId=1&from=now-5m&to=now&refresh=5s]HV-divider[/URL]. |
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20
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Fri May 9 18:34:08 2025 |
Konstantin | DAQ | Important diagnoses of analysis parameters | The filling of some histograms in the go4
analysis framework is controlled by the SetParameters.C
and SetConditions.C files.
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21
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Sat May 10 00:52:21 2025 |
Finn, Simon, Konstantin, Rodolfo | DAQ | Bunching - ammendment late shift | Some 209Bi80+ beam was provided for tests
measurement over the weekend. Currently the
beam is bunched at the second harmonic, corresponding |
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22
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Sat May 10 03:32:18 2025 |
Finn, Simon | General | Beam not bunched (?) | We think the beam in the ESR is not bunched.
There is a clear difference in PMT signal
if ions are in the ESR compared to no ions |
|
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23
|
Sat May 10 03:46:57 2025 |
Finn, Simon | Detectors | PMT north | In contrast to PMT Mid, the difference between
ions and no ions in the ESR (see screenshot
scaler) is not visible. Signal gets higher |
|
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24
|
Sat May 10 03:54:46 2025 |
Finn, Simon, Carsten | General | Night shift sum up - ammendment day shift | As the beam in the ESR is most probably not
bunched, there was not much we could do.
During the night shift we:
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25
|
Sat May 10 12:58:54 2025 |
Carsten | Detectors | Scrapers do not work reliably / Scraper positions for further tests | I tried scraping with pressurized-air devices
in order to verify the beam poistion. All
4 devices that we use do not work reliable |
|
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27
|
Sat May 10 17:05:24 2025 |
Konstantin | Detectors | XUV detector and copper mirror control | I attach the manual of the XUV and copper
mirror control software, which is hosted
at the Raspberry Pi (140.181.91.15) below |
|
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28
|
Sat May 10 17:47:50 2025 |
Carsten, Wilfried | Accelerator | Drifttube Cooling works | The cooling ith a tentative DRALS pattern
works well.
Cooling voltage in SC8 is now 905 V higher:
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29
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Sat May 10 20:14:47 2025 |
Rodolfo, Wilfried, Carsten | General | Lights in ESR | The light (Beleuchtung) inside the Cave have
been ON since probably yesterday evening
(9. May) when Uli was inside the cave for |
|
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30
|
Sat May 10 20:53:17 2025 |
Rodolfo, Konstantin | Accelerator | Reading of E-Cooler Voltage | We do not have the reading of the electron
cooler voltage. According to Grafana the
reading of the voltage stopped at 11:53:00, |
|
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31
|
Sat May 10 22:47:29 2025 |
Konstantin | DAQ | HV Divider | The readout of the hv dividers is running
again. In order to restart the acquisition
if it has crashed, connect to the raspberry |
|
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32
|
Sat May 10 23:30:37 2025 |
Rodolfo | Accelerator | Ion Pumps at the target section | The ion pumps (E02VP16i and E02VP17i) which
nearby the optical detection region produce
high count rate into the photomultipiers. |
|
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33
|
Sun May 11 03:10:41 2025 |
Konstantin, Simon | Detectors | Bunched beam on PMT | We checked again the time-resolved signal
on the PMTs and after several minutes of
accumulation we saw a the bunch shapes on |
|
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34
|
Sun May 11 03:23:18 2025 |
Simon, Konstantin | Calibration | Delaytime measurement | We performed another set of delay time measurements
to substitude the broken channel of PMT middle.
We did this in two step:
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35
|
Sun May 11 05:16:22 2025 |
Konstantin, Simon | Accelerator | Breeding of Lithium | We measured the breeding efficiency of Li-like
ions in the ESR and the rates are way below
the expected 25%.
|
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36
|
Sun May 11 05:25:07 2025 |
Simon, Konstantin | General | Detector drives | Currently, the particle detectors show a weird
behavior. Sometimes they drive too far. [B]IMPORTANT:
As long as it is unclear what is the reason |
|
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37
|
Sun May 11 15:42:18 2025 |
Carsten | General | Particle detector / dielectronic recombination measurements | The DR setup was put into operation yesterday
and first spectra recorded (see below).
Particle detector behind cooler ("SA_SZ") |
|
|
38
|
Sun May 11 17:30:24 2025 |
Carsten, Rodolfo, Jonas | General | Accidentally Skipped Breeding Step in File 0012.LMD | At ~17:26:30 the beam process was accidentally
set to not wait on breeding, affecting the
data in file 0012.LMD |
|
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39
|
Sun May 11 20:08:37 2025 |
Carsten | Runs | DR runs with DC beam | We have 4 valid DR files for DR with unbunched
beam. Iel = 500mA
run_0011.lmd
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40
|
Sun May 11 23:16:14 2025 |
Carsten | Runs | Switched back to bunching beam | At about 22:30 we switched back to the bunched
beam.
The new NTCAP directory is IQ_2025-05-11_22-37-04, |
|
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41
|
Mon May 12 07:19:16 2025 |
Finn, Simon, Konstantin | DAQ | DR Measurements | During this night we recorded several DR measurements.
Before the DR, we charged bread for about
10 minutes.
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|
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42
|
Mon May 12 10:09:21 2025 |
Christopher, Nils | Accelerator | Intervention TK Chopper - no beam for one hour | At 11am there will be an intervention for
about one hour related to the TK chopper
- hence no beam for SIS as well as ESR.
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|
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43
|
Mon May 12 14:47:52 2025 |
Christopher | DAQ | frequency counter | FA-2 frequency counter |
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44
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Mon May 12 21:39:49 2025 |
Zoran | Runs | DR running again with Bi209 | Stronger spectra than before, probably due
to a stronger overlap with the electron beam.
Open files starting with run_0022, finished |
|
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45
|
Mon May 12 22:44:00 2025 |
Zoran | Runs | 209Bi bunched beam | ntcap restarted (05-12_22-22-23), measuring
with bunched beam
10 min breeding time |
|
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46
|
Mon May 12 23:34:39 2025 |
Carsten | Analysis | Sample DR Spectra | See attachment - electron current 500 mA.
First spectrum DC,
Second spectrum bunched.
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47
|
Tue May 13 00:05:39 2025 |
Konstantin | Calibration | Cooler HV | The DR measurement was repeated with proper
electron cooler settings. Readout of electron
cooler HV is not affected by the Grafana |
|
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48
|
Tue May 13 00:36:27 2025 |
Finn, Simon, Konstantin | | DR measurements. Night shift. | [TABLE border="1"]
Time |File | PTB 32 | PTB 33 | Ohmlabs |
ESR intensity SC8 | Typical SIS injections |
|
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49
|
Tue May 13 00:43:31 2025 |
Konstantin | General | Connection interrupt | Connection reset to all NUCs by accident manual
power cut. |
|
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50
|
Tue May 13 01:21:16 2025 |
Konstantin, Simon | Analysis | Longitudinal bunch length | We measured the longitudinal bunch length
for all different detectors
|
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51
|
Tue May 13 12:59:49 2025 |
Carsten, Wilfried, Christopher, Nils | General | Setup of ESR for 208Bi | In the morning the colleagues from ESR setup
the beam for production of 208Bi81+, however
the identification (via the schottky) of |
|
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52
|
Tue May 13 15:34:23 2025 |
Yuri | Calibration | Particle Identification | Setting on 208Bi81+
Manipulation after accumulation and orbit
shift, before slowing down
|
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53
|
Tue May 13 17:46:35 2025 |
Carsten | Runs | Start of DR measurements with 208Bi | Same ramps as before, 8 repetitions.
ESR is set-up for breeding of 208Bi80+.
In order to reduce unwanted primary at injection |
|
|
54
|
Tue May 13 21:37:09 2025 |
Carsten | Runs | DR run with bunched beam / 500 mA /208Bi80+ | Just changed settings towards a new scanning
range and bunched beam.
Stopped and started NTCAP, now: IQ_2025-05-13_21-01-44
|
|
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55
|
Wed May 14 00:11:52 2025 |
Dimitrios, Simon | Runs | Night shift DR Bi-208 | [TABLE border="1"]
Time |File | PTB 32 | PTB 33 | Ohmlabs |
ESR intensity SC8 | Typical SIS injections |
|
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56
|
Wed May 14 02:19:46 2025 |
Dimitrios, Simon | Analysis | Longitudinal bunch length | We repeated this measurement for 208-Bi. The
bunch lengths are about half as long (due
to lower space charge and consequently less |
|
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57
|
Wed May 14 06:31:28 2025 |
Dimitrios, Simon | Runs | DR scans @300mA | We reduced the electron cooler current to
300mA and continued measuring the DR spectrum.
|
|
|
58
|
Wed May 14 08:24:39 2025 |
Danyal, Nils, Hendrik Day shift | Runs | DR scans @300mA | Continuing with the measurements of the last
shift, also at 300mA. Creating new file,
as beam got killed during last run.
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|
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59
|
Wed May 14 11:59:39 2025 |
Nils | Analysis | Current DR spectra 208Bi | Results so far for the DR scans @300mA e-cooler
current. |
|
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60
|
Wed May 14 12:43:43 2025 |
Danyal, Nils, Hendrik Day shift | Runs | DR scans @300mA | Continuing with the measurements of the last
shift, also at 300mA. Creating new file,
as beam got killed during last run.
|
|
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61
|
Wed May 14 19:06:51 2025 |
Carsten | Runs | Different pattern/ Fixes during the day new runs for 300 mA (increased intensities) | During the day several things were discussed
concerning intensity and the pressurized
air devicees.
|
|
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62
|
Wed May 14 22:05:54 2025 |
Rodolfo | Laser | Laser settings | Here are summarized some settings of the laser
system.
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63
|
Thu May 15 00:45:19 2025 |
Carsten | DAQ | DRALS preliminary timing settings (DR part) | [B]DAC control on sadpc115[/B]
[LIST]
[*] Total measurement window: 600 001 ms |
|
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64
|
Thu May 15 02:14:17 2025 |
Rodolfo, Konstantin, Simon | Laser | Laser broken | The pump laser is broken!
To be more specific the YAG crystal looks |
|
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65
|
Thu May 15 02:34:30 2025 |
Dimitrios, Konstantin, Simon | Accelerator | Ion beam position | We measured the ion beam position with the
T-scrapers. Not that the blades are 8mm wide,
which must be considered to calculate the |
|
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66
|
Thu May 15 13:40:47 2025 |
Carsten | Runs | DR run DC with 300mA and very fine stepwidth | Just changed settings towards a new scanning
range and bunched beam.
NTCAP, now: IQ_2025-05-15_12-00-29
|
|
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67
|
Fri May 16 03:19:23 2025 |
Dimitrios, Finn, Konstantin | Accelerator | Changed settings to DRALS setup | Switched to bunching: Ring HF Bucket_fill(RF_manipulation)(SC7,BP2)
changed from [3.0, 0.0] -> [3.0, 3.0]
Injections 5 | Breeding 30 |
|
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68
|
Fri May 16 03:22:05 2025 |
Carsten, Dimitrios, Konstantin | Calibration | DR scan and HV Calibration against Schottky frequency (NTCAP) | DR scan and HV Calibration against Schottky
frequency (NTCAP).
Since DR measurements are presently running |
|
|
70
|
Fri May 16 04:56:51 2025 |
Finn, Konstantin, Dimitrios | Runs | Night shift DR runs | We conducted some more DR runes in this night
shift at I_el = 300mA:
|
|
|
71
|
Fri May 16 08:01:27 2025 |
Finn, Konstantin, Dimitrios | Detectors | Schottky channels | 1kHz read out trigger NTCAP
DC Trafo --> B1 SRC1
|
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72
|
Fri May 16 08:19:00 2025 |
Danyal, Christopher, Hendrik | Runs | morning shift DR runs | We are continuing taking more DR runes in
the morning shift at I_el = 300mA:
|
|
|
73
|
Fri May 16 11:09:38 2025 |
Danyal, Christopher | Laser | laser damage | here are some pictures of the laser damage
The Innolas technician is here now.
The
new crystal has arrived (Wilfried just delivered |
|
|
74
|
Fri May 16 15:25:54 2025 |
Rodolfo, Christopher | Laser | Pumplaser | The pump laser is back into the operation.
|
|
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75
|
Fri May 16 18:37:32 2025 |
Rodolfo, Carsten, Wilfried, Zoran, Ragandeep, Nils | Laser | Timing | After some minor adjustments for the laser
done by Rodolfo, the laser is back
at ESR and visible by the PD-SO.
|
|
|
76
|
Fri May 16 19:22:43 2025 |
Carsten | DAQ | New vlaues for DRALS | The Timing for DRALS has changed to a 12 min
measurement window (max time for laser scan).
The duration of the laser ramp planned to |
|
|
77
|
Fri May 16 21:23:44 2025 |
Ragandeep, Rodolfo, Zoran, Nils | Accelerator | Ion and laser beam position | We checked the ion beam position as well as
the laser position with the two scraper in
front (north) of the e-cooler (GECEDS1VU, |
|
|
79
|
Fri May 16 22:15:33 2025 |
Ragandeep, Rodolfo, Zoran, Nils | Laser | Scan range laser | The scan range according to Wilfried should
be
|
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80
|
Fri May 16 22:50:00 2025 |
Ragandeep, Rodolfo, Zoran, Konstantin, Nils | Laser | Timing Laser + Ion | We adjusted the delay of the laser according
to the signal of the PD and the PMTs. |
|
|
81
|
Fri May 16 22:55:36 2025 |
Dimitrios, Finn, Konstantin | Laser | Starting first laser scan | NTCAP file name: SC_2025-05-16_22-54-39
We are starting now the laser scans. Therefore |
|
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82
|
Sat May 17 08:36:20 2025 |
Wilfried, Christopher, Kristian | Laser | Laser Scans in coasting beam | switched to coasting beam
bucketfill (RF manipulation) (SC7, ...):
[[3.0],[3.0]] ---> [[3.0],[0.0]]
|
|
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83
|
Sat May 17 11:57:13 2025 |
Wilfried, Christopher, Kristian | Laser | Scans with bunched beam | switched to bunched beam
bucketfill (RF manipulation) (SC7, ...):
[[3.0],[0.0]] ---> [[3.0],[3.0]]
|
|
|
84
|
Sat May 17 21:06:52 2025 |
Rodolfo, Christopher, Kristian | Laser | New dye | We have exchanged the dye laser and filled
the dye pumps with fresh dye. We also noticed
that the seeder was off, we turned on again |
|
|
85
|
Sat May 17 21:27:17 2025 |
Wilfried, Rodolfo | Laser | Scraping the laser beam | The beam stabilization in not working properly.
So we have turned it off. We also scraped
the laser beam at the E-Cooler and bring |
|
|
86
|
Sat May 17 21:40:40 2025 |
Wilfried, Rodolfo, Hendrik, Ragandeep, Yuri | Laser | Eveningshift data runs |
[TABLE border="1"]
Time |File | Ohmlabs | PTB 32 | PTB 33 | |
|
|
87
|
Sun May 18 00:25:08 2025 |
Finn, Konstantin, Dimitrios | Laser | Nightshift data runs | Took over from afternoon shift and keep scanning
[TABLE border="1"]
Time |File | Ohmlabs | PTB 32 | PTB 33 | |
|
|
88
|
Sun May 18 01:47:56 2025 |
Konstantin | DAQ | Particle detector | The attachment shows the signal of the particle
detector for bunched beam (red, files 104-112)
coasting beam (black, files 113-117) as a |
|
|
89
|
Sun May 18 02:24:46 2025 |
Wilfried, Rodolfo, Carsten | Detectors | Antrieb Cu-Mirror defekt | On Saturday afternoon we moved the Cu mirror
to the inner position, however an issue appeared
when we tried to move the mirror to the "park" |
|
|
90
|
Sun May 18 04:33:46 2025 |
Dimitrios, Finn, Konstantin | Laser | Laser position | We changed the position of the laser back
to the position which was set up in [COLOR=blue][B][URL=https://elog.gsi.de/esr/E0038/85]E
85[/URL][/B][/COLOR] by changing the motor |
|
|
91
|
Sun May 18 08:06:55 2025 |
Danyal, Christopher, Jonas | Runs | morning shift | Took over from night shift and keep scanning
[TABLE border="1"]
Time |File | Ohmlabs | PTB 32 | PTB 33 | |
|
|
92
|
Sun May 18 16:08:58 2025 |
Wilfried, Carsten, Rodolfo, Hendrik | Runs | Afternoon shift, continued measurements | Took over from morning shift and keep scanning
[TABLE border="1"]
Time |File | Ohmlabs | PTB 32 | PTB 33 | |
|
|
93
|
Sun May 18 21:30:20 2025 |
Wilfried, Rodolfo, Markus, Zoran | Accelerator | T-Scrapers, Update | Here are the right instructions to drive the
T-Scrapers inside the ESR Electron Cooler
|
|
|
94
|
Mon May 19 00:28:40 2025 |
Simon, Finn | Runs | Night shift measurement | Took over from afternoon shift and keep scanning
[TABLE border="1"]
Time |File | Ohmlabs | PTB 32 | PTB 33 | |
|
|
95
|
Tue May 27 10:56:44 2025 |
Konstantin | DAQ | Common stop | The common stop was wired through a 1:2, and
subsequently through a 1:99 rate divider
channel. However, since the pulse width was |
|