| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
28
|
Fri Jun 20 06:37:51 2025 |
Konstantin | Accelerator | Position of contaminants | I checked the positions of the contaminants.
Therefore, I drove the scrapers and observed
the signal at the Schottky detector
|
|
|
56
|
Tue Jun 24 15:44:06 2025 |
Konstantin | DAQ | Phase shift in DAQ1 | In the SetParameters.C file is a parameter
called fPar->piPhaseOffset. It was shifted
from 100 to 50 in order to see ion bunches |
|
|
29
|
Fri Jun 20 11:25:32 2025 |
Julien, Kristian, Konstantin | Laser | Automated laser scans | In contrast to entry [URL=https://elog.gsi.de/esr/E0052_2025/12]E12[/URL],
the cabling for the automated start of the
laser scan is now connected to [B]IO3 of |
|
|
24
|
Wed Jun 18 11:44:15 2025 |
Julien, Konstantin, Stefan, Rima | | Jitter CFD | Pulses on photodiodes in entry 20
1. seem wide, so we also looked at qswitch |
|
|
25
|
Wed Jun 18 14:01:40 2025 |
Julien, Konstantin, Stefan, Rima | | Ion bunch on PMTs | Apparentlty did not work yesterday evening
(no signal), but looks fine now (see attachment) |
|
|
22
|
Wed Jun 18 07:59:00 2025 |
Julien, Konstantin | Laser | Phase-offset | We recognized that the output power of the
pump laser was instable when externally triggered
with 200kHz (stand-bye frequency of ESR). |
|
|
23
|
Wed Jun 18 08:07:17 2025 |
Julien, Konstantin | Laser | new FCU Calibration | UV power was not stable but dropping from
~18 mW to 13 mW after opening COBRA shutters.
New calibration of frequency conversion unit:
|
|
|
51
|
Mon Jun 23 10:52:34 2025 |
Julian, Lukas, Zsolt, Nadine, Konstantin | Laser | Frequency conversion unit | We exchanged the old BBO of the Cobra's FCU
with a new one. The output power of the Cobra
was around 120mJ. In the end, we achieved |
|
|
53
|
Mon Jun 23 10:59:36 2025 |
Julian, Lukas, Zsolt, Nadine, Konstantin | Runs | Scan routine | -Start new injection
->wait for 60 injections to be complete
->note down SIS intensity (at extraction)
|
|
|
61
|
Thu Jun 26 18:13:17 2025 |
Jan, Carsten | Detectors | PMT voltages & thresholds | current settings of PMT voltages and thresholds
at the CAEN CFD:
|
|
|
64
|
Thu Jun 26 22:51:04 2025 |
Hendrik, Finn | Runs | Nightshift data runs | After the scan at 22:04 teh FCU new was new
calibrated. For this MEdusa was stopped and
reopened in the laser lab. This stops the |
|
|
66
|
Fri Jun 27 06:55:45 2025 |
Esther. Konstantin | Laser | Laser-ion overlap | We cross-checked the laser-ion superposition
by using the T-scrapers. We did it only after
the scans in order to do not change the duty |
|
|
Draft
|
Fri Jun 27 06:13:02 2025 |
Esther, Konstantin | Runs | Early shift - data taking | [B]Notes:[/B]
1. TE slits at -10 and +10
2. SIS intensity unstable until about 9:00 |
|
|
67
|
Fri Jun 27 11:21:25 2025 |
Esther, Konstantin | DAQ | Timing | We cross-checked the timing. Laser pulse is
detected at bins 136 (PD-North) and 171 (PD-south),
respectively. Therefore, the laser puls is |
|
|
18
|
Wed Jun 18 00:33:56 2025 |
Esther, Alexis, Anton, Rodolfo, Carsten | DAQ | R4l-41 | We have some issues with the RIO computer
R4l-41 (DAQ1). We had to switch off completely
twice. Only then it reacted properly. Maybe |
|
|
20
|
Wed Jun 18 01:58:02 2025 |
Esther, Alexis, Anton, Rodolfo, Carsten | Accelerator | No Bunched Beam | The Bunching is not set properly. We do not
see the ion bunch with the Photomultiplier. |
|
|
71
|
Sat Jun 28 15:28:22 2025 |
Carsten., Uwe | Runs | Runs with new scan range | 22:10 SIS Trafo GS09DT scale was changed
to 4e8 (not just the lassie monitor)
23:50 Ausfall ESR: GE01 KP01 bis KP05 und |
|
|
13
|
Mon Jun 16 21:47:23 2025 |
Carsten, Wilfried, Simon | Detectors | New threshold values for PMTs | We adjusted the thresholds for the PMTs and
increased the voltage of PMT middle to 2.7kV
|
|
|
57
|
Tue Jun 24 17:39:13 2025 |
Carsten, Stefan, Simon, Rima, Nils | Detectors | PMT behaviour - noise / PMT voltages / CFD Threshholds / CAEN Power supply (broken channel resetted) | PMT North and South have been changed:
CFD CH0: Middle Thr 7 / CAEN HV Ch1: 2750 |
|
|
14
|
Mon Jun 16 22:27:01 2025 |
Carsten, Simon | DAQ | Thresholds | We also adjusted the thresholds for the mesytic.
Doing that, we noticed that one of the trafos
is broken (5th row, middle).
|
|