| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
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
|
|
|
33
|
Sat Jun 21 01:40:31 2025 |
Carsten, Alex, Anton, Rodolfo, Hiroshi | Accelerator | beam parameters | The revolution frequency for the measurement
condition is: 1.542728 MHz.
The electron cooler voltage is: 104411 V. |
|
|
32
|
Sat Jun 21 00:52:07 2025 |
Carsten | Accelerator | Summary of the last days (bunches wiht several isotopes still in ) / frequency of the | Initially, we has very low SIS beam intensities
in the 1e8 region. Setting up ESR wiht Stacking
etc. turned out to be extremly tedious for |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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
|
|
|
27
|
Wed Jun 18 20:24:01 2025 |
Carsten, Shahab, Ragandeep, Danyal et al. (the dayshift) and ESR crew | Accelerator | 229Th89+ identification | We believe to have identified the 237U92+
and the 229Th89+ peaks.
|
|
|
26
|
Wed Jun 18 19:05:28 2025 |
Carlo, Zac, Shahab, Ragan | Analysis | PID with rionid | For PID with rionid we used:
- LISE file from last year (attached.
- .npz file from 410 RSA (attached). |
|
|
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) |
|
|
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 |
|
|
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:
|
|
|
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). |
|
|
21
|
Wed Jun 18 03:12:25 2025 |
Rodolfo | Laser | Beam Stabilization | The laser beam pointing has changed, even
thought the MRC settings are the same as
given in Entry 5 (this elog). This could |
|
|
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. |
|
|
19
|
Wed Jun 18 00:56:28 2025 |
Carsten, Rodolfo, Anton, Alexis, Esther | | beam overlap with t-scrapers | When testing the overlap between laser and
ion beam we observed the following positions:
|
|
|
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 |
|
|
17
|
Tue Jun 17 19:25:30 2025 |
Rodolfo | Accelerator | T-Scrapers in E-Cooler | Here are the instructions to drive the T-Scrapers
inside the ESR Electron Cooler
|
|
|
16
|
Tue Jun 17 16:33:16 2025 |
Carsten, Simon | DAQ | Gate Q-swtich | The gate generator of the Q-switch signal
for the Vuprom TDC was set to 10ms. |
|
|
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).
|
|