ID |
Date |
Author |
Category |
Subject |
Text |
 |
70
|
Wed Apr 2 08:04:47 2025 |
Michael, Alex | General | No beam | The SIS kicker has failed again at 08:01.
Since this has happened already few times,
the experts from the on-call duty service |
|
69
|
Wed Apr 2 07:41:10 2025 |
Michael, Alex | General | Frequency shift in Schottky | After the beam was restored at 07:25, we
think that the frequency peak in the 244
MHz RSA2 has jumped again (closer to the |
|
68
|
Wed Apr 2 07:39:41 2025 |
Michael, Alex | General | The beam is back at 07:35 | |
|
67
|
Wed Apr 2 07:33:59 2025 |
Michael, Alex | General | Beam gone again | 7:29, beam gone again, operators say they
need another 5 minutes. |
|
66
|
Wed Apr 2 07:25:15 2025 |
Carlo, Chris, Alex, Michael | General | Beam back | 07:20 we have beam back. |
|
65
|
Wed Apr 2 07:16:33 2025 |
Carlo, Chris, Alex, Michael | DAQ | ESR not requesting | 7:05 ESR not requesting new pulses from the
SIS.
Operators are trying to fix the problem.
|
|
64
|
Wed Apr 2 05:48:31 2025 |
Chris, Carlo, Zac | General | Beam returned | Beam was returned to the ESR at 05:11.
HKR said there had been some problem with |
|
63
|
Wed Apr 2 04:59:50 2025 |
Zac, Chris, Carlo | General | Receiving injections but not seeing anything on RSAs | Starting at around 04:09 we don't see anything
on RSAs. RSAs are still triggering and writing
files, but only see noise. Lassie indicates |
 |
62
|
Wed Apr 2 04:33:57 2025 |
Carlo, Zac, Chris | DAQ | Screenshots Lassie | screenshots of Lassie |
 |
61
|
Wed Apr 2 02:51:31 2025 |
Carlo, Zac, Chris | DAQ | Beam is back | 02:44 beam is back |
|
60
|
Wed Apr 2 01:46:52 2025 |
Chris, Carlo, Zac | General | Beam loss | HKR just called to say a power supply to the
SIS18 extraction kicker has failed.
The service person has been called and is |
|
59
|
Wed Apr 2 00:59:43 2025 |
Zac, Carlo, Chris | Accelerator | Lost the beam | Beam was lost from 00:44 until 00:59 |
|
58
|
Wed Apr 2 00:08:57 2025 |
Ruijiu Chen,Shahab | Analysis | the peak corresponding to 194Pb⁸²⁺ was mixed with signals from some unknown ions. | I examined the spectrum of 194Pb at the 211
harmonic. It was observed that the peak corresponding
to 194Pb82+ was mixed with signals
|
 |
57
|
Tue Apr 1 23:56:18 2025 |
Shahab, Carlo, Zac, Yue, Michael | DAQ | Change of RSA01 settings for new harmonic=212. | 23:55 stop the RSAs.
410:
|
|
56
|
Tue Apr 1 23:23:18 2025 |
C Griffin | General | PLEIADES removed | Leakage currents were steadily increasing
in the PLEIADES detectors so we decided to
stop taking data, move both the detectors |
|
55
|
Tue Apr 1 23:07:15 2025 |
Shahab | DAQ | short interruption of queqiao script for RSAs | has been restored. |
|
54
|
Tue Apr 1 22:53:59 2025 |
Esther | General | Lassie exports | |
 |
53
|
Tue Apr 1 22:05:24 2025 |
Ruijiu | Analysis | analysis result | This is a preliminary result during 4:00-19:00
April 1st 2025.
I correct the frequency drift of 194Pb82+ |
   |
52
|
Tue Apr 1 22:03:07 2025 |
Jeroen, Zac, Esther, Shahab, Wolfram | DAQ | Optimisation of settings | Estimation of potential gain by changing.
Files from this points are going to rubbish.
Potential gains are c. 20%
|
|
51
|
Tue Apr 1 21:05:20 2025 |
Jeroen, Zac, Esther, Shahab, Wolfram | DAQ | Change of settings for shorter acq. window | > Acquisition stopped at 20:36.
>
> First file from this setting: RSA01-2025.04.01.03.52.59.247.tiq
|
|