| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
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
|
|
|
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. |
|
|
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.
|
|
|
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
|
|
|
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 |
|
|
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. |
|
|
38
|
Sat Jun 21 08:48:16 2025 |
Arya, Julien, Wilfried | Accelerator | Low 229Th particle numbers and 229Th lifetime in ring | With reference to entry 37 Laser timing:
- at last 30 injections accumulation: 10k |
|
|
47
|
Sun Jun 22 22:29:04 2025 |
Carsten | Accelerator | Backup copy of present accelerator settings - don't use if you don't know what you are doing | # Version: 1.3
# Comment: ParamModi Export at 2025-06-22T22:28:05.633712878+02:00[Europe/Berlin]
# Context: ESR_25_12_THORIUM_20June_v3.C1
|
|
|
Draft
|
Sun Jun 22 23:48:35 2025 |
Carsten | Accelerator | Summary of todays settings and tests | Scraping, beam intesnity optimizations and
nuching were set up and optimized during
the day.
|
|
|
74
|
Sun Jun 29 15:53:45 2025 |
Carsten, Simon | Accelerator | No scans possible | 15:45 Right now, we are waiting for stable
conditions again. There are problems with
both the ion source and the accumulation |
|
|
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:
|
|
|
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) |
|