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Nuclear hyperfine mixing in 229Th89+, Page 11 of 12
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ID
Date
Author
Category
Subject
Text
47
Fri Apr 1 00:27:27 2022
Carsten
Settings Particle Detectors /Tests with primary beam
All the beam settings will be given in a separate
post.
50
Fri Apr 1 02:29:40 2022
Carsten
ESR Cooler crashed
ESR cooler crashed. We could not restart the
cooler. Since we had several other problems,
we stop now.
55
Fri Apr 1 16:46:33 2022
Carsten
Detectors
All pressuzied air drives are tested now and are working properly
All pressuzied air drives are tested now and
are working properly
57
Fri Apr 1 18:30:38 2022
Carsten
Detectors
Positions / Voltages threshlds for particle detectors
[B]DC beam 238U92+ (205kV, e-beam)[/B]
We used the detector NA_SZ to determine the
central primary-beam (238U92+) position by
60
Fri Apr 1 23:47:45 2022
Carsten
Detectors
PMT thresholds / PMT north does not allow voltage abow ~ -1kV
Checked thresholds of PMT with beam and without
beam.
Draft
Sat Apr 2 01:02:39 2022
Carsten
Test measurements with two DAQs
We do two measurements:
One measurement using the
65
Sat Apr 2 15:54:32 2022
Carsten
Accelerator
ESR setup with primary beam and 1cm Be plate + Schottky data on NTCAP
MArkus and Bernd have setup the ESR with the
thick stripper foil and put the ion beam
(238U92+) on the central orbit.
71
Sat Apr 2 22:43:36 2022
Carsten
Ring set-up for 229/89+, scraped and bunched, Iel=500mA at injection and 100mA during measurment
The ring SIS/ESR were set up for 229/89+.
Pölease note that this not only 1e- Th but
ponteially also the isobars of Ac (0e-1)/Pa(2e-,
72
Sat Apr 2 23:16:55 2022
Carsten
Cu mirror and CsI moved in and out of the ring
Ken tested the Cu-mirror and CsI disk Detector.
They move without a problem and don't scrape
the ion beam.
80
Sun Apr 3 13:05:08 2022
Carsten
Laser
Distance of Partilce detecotrs wr.t. to electron cooler
As of Yuris post in the elog the positions
(Info from H. Weick):
89
Mon Apr 4 16:26:04 2022
Carsten
DAQ
Backup Harddisk /External Disk
Since we cannot write on lustre, as a temproal
solution two RAID 1 (mirror) USB hard disks
with cpacity 6 TB each are installed.
91
Mon Apr 4 19:05:57 2022
Carsten
DAQ
Cooler Frequency Signals Ion current not connected until now
Up to now the signals for
Ion Current
Cooler elctron current
103
Tue Apr 5 23:07:34 2022
Carsten
Accelerator
229Th89+ identification after re-tuning of the ESR
The ESR was retuned this aftenoon since the
it was unclear if we still sit the 229Th89+
line.
104
Tue Apr 5 23:55:11 2022
Carsten
Runs
Long time measurment with NTCAP
Settings:
Center: 2242.5MHz
RefLevel: -25dB
123
Thu Apr 7 03:09:36 2022
Carsten
DAQ
NTCAP running since 02:40
173
Sat Apr 9 02:55:38 2022
Carsten
Accelerator
Kühlerausfall und Gründe dazu
Wir hatten heute Abend eine Kühlerausfall,
der uns mehrere Stunden beschäftigt hat,
weil gem. Anzeige in Device Control kein
175
Sat Apr 9 03:46:31 2022
Carsten
Accelerator
Slits in TE line
Changed GTEDSAH Rechts to 10mm
176
Sat Apr 9 03:57:10 2022
Carsten
Accelerator
New Cooler voltage after the crash of the cooler
After the restart of the cooler the Ohmlabs
divider showed a voltage 16V lower than before.
This could also be seen as a slight shift
177
Sat Apr 9 04:01:35 2022
Carsten
2nd DAQ
Switched the CAEN TDC back on and changed
the threshoolds for the ADC to:
179
Sat Apr 9 05:00:11 2022
Carsten
General
Draft Docs and cheat sheet
Please check the attached files,
and correct or enhance them.
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