| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
30
|
Fri Jun 20 15:58:21 2025 |
Wilfried, Konstantin, Simon | Laser | Laser stepwidth | From previous Bi-Beamtimes, we expect the
width of the transition to be >50GHz (FWHM).
The current step width is 0.002nm which corresponds |
|
|
31
|
Sat Jun 21 00:23:22 2025 |
Rodolfo | Laser | Dye | I have prepared new (fresh) dye solutions
of Fluorescein 27: 2 charges. They are in
the Safety Cabinet (Sicherheitsschrank) in |
|
|
34
|
Sat Jun 21 02:32:24 2025 |
Alex, Anton, Rodolfo, Hiroshi, Carsten | Laser | Laser scanning setting | This is the initial scanning range
[LIST]
[*] 3 Loops
|
|
|
35
|
Sat Jun 21 03:06:19 2025 |
Rodolfo, Alex, Hiroshi, Anton | Laser | beam overlap with t-scrapers | [TABLE border="1"]
motor|ion beam position (mm) from outside|ion
beam position (mm) from inside
|
|
|
37
|
Sat Jun 21 07:28:35 2025 |
Arya, Julien, Wilfried | Laser | Laser Timing | We roughly adjusted the timing based on attachment
1, for ions to be in center of electron cooler
(east arc), corrected for PMTs being 2.5m |
|
|
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 |
|
|
60
|
Wed Jun 25 05:53:54 2025 |
Rodolfo | Laser | FCU | Cobra's FCU was recalibrated. Table saved
as FCU_547-554_RS_2024-06-25.fcu. |
|
|
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 |
|
|
39
|
Sat Jun 21 11:42:50 2025 |
Arya, Julien, Wilfried | General | Test laser scan | Test scan to see whether laser spot is moving
while scanning
|
|
|
44
|
Sun Jun 22 11:31:59 2025 |
Arya, Carsten, Julien, Konstantin | General | Summary morning shift | 1. UNILAC running again, so we resumed the
beam tuning wherre we stopped yesterday at
14:00
|
|
|
1
|
Tue May 20 16:14:30 2025 |
Rodolfo, Simon | Detectors | PMT arrangement at ESR | This is the arrangement of the photomultipiers
at the optical detection region at ESR for
Thorium 2025
|
|
|
2
|
Mon Jun 2 16:36:57 2025 |
Carsten | Detectors | Mesycontrol | ssh -Y litv-exp@x86l-204
'mesycontrol' |
|
|
3
|
Wed Jun 4 16:17:47 2025 |
Simon | Detectors | Nitrogen | The nitrogen supply for the PMTs is turned
[B]ON[/B]. |
|
|
4
|
Wed Jun 4 16:18:57 2025 |
Rodolfo, Simon | Detectors | PMT dark count rates | I adjusted the offsets of the amplifiers in
the cave and measured the dark count rates
:
|
|
|
7
|
Wed Jun 11 16:44:39 2025 |
Carsten, Jan | Detectors | Detector voltages and thresholds for DAQ2 (Mesycontrol) | Voltages (2650v) for the small band 9423 is
ok. Signals are nicely separated from background,
thresholds can be easily set.
|
|
|
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
|
|
|
36
|
Sat Jun 21 03:13:02 2025 |
Alex, Anton, Rodolfo, Hiroshi | Detectors | Part Det South | Bunch signal on Particle Detector South. On
the
|
|
|
40
|
Sat Jun 21 17:00:10 2025 |
Carsten, Peter, Danyal, Kristian, Marek | Detectors | PMT north exchanged | We noted that the dark countrate of PMT north
is about 20x higher than that of PMT middle.
|
|
|
41
|
Sat Jun 21 18:00:49 2025 |
Carsten, Peter, Danyal, Kristian, Marek | Detectors | PMT signals | Carsten and Kristian changed (18:00) the thresholds
of PMT north and PMT middle in the ESR cave.
|
|
|
42
|
Sat Jun 21 21:55:18 2025 |
Peter, Danyal, Marek | Detectors | PMT rates | We have made two foam rings (outer diameter
ca. 70 mm with a thickness of 10 mm each
and placed them successively underneath PMT |
|