| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
25
|
Wed May 12 22:35:33 2021 |
Danyal | General | frev and fb | Schottky frequency (189th harmonic) = 244.033662
MHz
|
|
|
24
|
Wed May 12 22:28:55 2021 |
Ken Ueberholz | General | Bunching succesfull | Bunching with 2 and 10 bunches succesfull |
|
|
23
|
Wed May 12 19:48:24 2021 |
Sebastian | General | DSG821 Network | To implement the bunch Signal Generator (DSG821
inside ESR) you have to:
|
|
|
22
|
Wed May 12 18:59:15 2021 |
Ken Ueberholz | General | Power is back | Power is back and most things are running
again |
|
|
21
|
Wed May 12 15:36:04 2021 |
Danyal | Accelerator | general power failure in ESR! (everything is off) | The power in the ESR is off.
(also on the gas-target area on top of ESR)
Electrical engineers are trying to find and |
|
|
20
|
Wed May 12 13:11:58 2021 |
Danyal | Accelerator | short break between 13:30 and 15:30 | There will be a short break (2 hours) this
afternoon. Between 13:30 and 15:30.
The so-calles "super lense" in the UNILAC |
|
|
19
|
Wed May 12 10:15:47 2021 |
Volker Hannen | DAQ | Unplugged TDC inputs for MCP front and back | To reduce the load on the VUPROM TDC, we unplugged
the TDC inputs for the front and back signals
of the MCP of the XUV detector.
|
|
|
18
|
Wed May 12 10:14:18 2021 |
Lars | Accelerator | E-Cooler | M.Steck et al. discussed about the E-Cooler
and found a possible issue. They asked for
enterance to the ESR. Since nobody else was |
|
|
17
|
Wed May 12 09:59:08 2021 |
Benedikt | General | Rigol DSG821 signal generator settings | |
|
|
16
|
Wed May 12 09:09:15 2021 |
Sebastian | DAQ | Fluorescence | fluorescence with detector in parking position
fixed laser wavelength
electron cooling ON,
|
|
|
Draft
|
Wed May 12 09:05:48 2021 |
Keysight Settings | DAQ | | |
|
|
14
|
Wed May 12 09:04:48 2021 |
Sebastian | DAQ | Keysight AUtoCal | |
|
|
13
|
Wed May 12 08:42:49 2021 |
Sebastian | Analysis | Laser scans / coastig beam / no ecooler | Attached you'll see a first laser scan of
~100GHz in the UV. |
|
|
12
|
Wed May 12 08:41:36 2021 |
Sebastian | Analysis | Laser stability | During night shift the laser was very stable!
Only minor fluctuations occured in the UV |
|
|
11
|
Wed May 12 08:32:04 2021 |
Sebastian | Analysis | fluorescence & energetic overlap | During the night shift we saw several rises
of the fluorescence (see another entry) and
also energetic overlap in coasting beam modus.
|
|
|
10
|
Wed May 12 08:10:17 2021 |
Lars | General | instabilities in ion frequency | looks like the E-Cooler is responsible for
this. If one turns off the electron current,
the beam stays stable.
|
|
|
8
|
Wed May 12 02:34:29 2021 |
Danyal | General | instabilities in ion frequency | The ion beam moves around, pretty arbitrary.
See picture.
ESR crew believes that it is not due to fluctuations |
|
|
Draft
|
Wed May 12 02:16:25 2021 |
Danyal, Lars | Accelerator | Ion beam position | Laser Position with scrapers verified.
1HA: impossible to scratch laser beam, still
there at -1.0 mm |
|
|
6
|
Tue May 11 20:14:43 2021 |
Danyal | General | bad ESR vacuum | I just heard that the ESR vacuum is quite
bad.
There was a small vacuum problem a while |
|
|
5
|
Tue May 11 18:29:35 2021 |
Danyal | General | first ions in the ESR | |
|