| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
22
|
Thu Jun 6 08:16:36 2024 |
Danyal | Accelerator | scraper info by Robert Boywitt | attched is more info about the T-scrapers
(E-cooler) by Robert Boywitt (Tel: 2067 or
3357) |
|
|
60
|
Thu Jun 13 10:42:02 2024 |
Danyal | General | Question | What is the ion beam lifetime, according to
the DCCT and Schottky?
Can somebody measure it, please?
|
|
|
58
|
Thu Jun 13 10:06:35 2024 |
Constantine, Peter, Lukas, Jonas, Dounia, Carsten | Accelerator | Suspected Beam Troubles (is it really 229-Thorium?) | From experience, the lifetime of the beam
in the storage ring should be on the order
of magnitude of hours, however, we observer |
|
|
38
|
Mon Jun 10 08:57:35 2024 |
Carsten/Konstantin | DAQ | Further Tests from Sunday 2024-06-09 - new voltages and tresholds for PMTs - testdata in files | Voltages and thresholds increased for PMT
Middle and North (in order to account for
the ADC measurement in DAQ2
|
|
|
36
|
Sun Jun 9 10:08:24 2024 |
Carsten/Danyal | Detectors | Particle detectors - Recap of yesterdays work | [B]South (behind cooler) - "SA_SZ" - DD2...[/B]
We have put the particle detecotr North to
the poistion behind the cooler (north) to |
|
|
37
|
Sun Jun 9 10:20:38 2024 |
Carsten/Danyal | Detectors | Recap from yesterdays work with test beam (Detectors / beam /DAQ) | In the ESR we had thw whole day (saturday)
a 400MeV/u bunched 238U92+ test beam (about
2 MHz). The RF signal is cabled as input |
|
|
19
|
Wed Jun 5 19:22:43 2024 |
Carsten, Konstantin, Rodolfo | Detectors | PMT tests and preliminary thresholds | For all channels of the CAEN CFD the width
of the logic signal is set to 255ns (maximum)
to mitigate potential double pulses. For |
|
|
74
|
Fri Jun 14 11:44:23 2024 |
Carsten Brandau | Accelerator | Cooling Time in SC7 increased from 9s to 12s | Cooling Time in SC7 increased from 9s to 12s |
|
|
45
|
Tue Jun 11 23:46:06 2024 |
Carsten )))) | Accelerator | ID | ----
The frequency of the primary beam 238U82+
at the injection:
|
|
|
8
|
Fri May 31 16:49:52 2024 |
Carsten | DAQ | Wiring DAQ 1 | Started to Check the wiring.
Status as of 2024-05-31
|
|
|
9
|
Sat Jun 1 18:00:20 2024 |
Carsten | DAQ | ReadOut Trigger im Timer Scaler changed because of faulty signal from frequency generator | Old readout trigger (~200 Hz) in 1MHz Scaler
showed two nearby peaks indicating a jitter
of the readout frequency or same faulty output |
|
|
10
|
Sat Jun 1 18:14:01 2024 |
Carsten | Analysis | DAQ and analysis directories | [U][B]DAQ1 (original):[/B][/U]
-user atplaser
-runs on lxg1297
|
|
|
11
|
Sat Jun 1 18:55:18 2024 |
Carsten | Analysis | Go4 Analysis Version for DAQ1 (atplaser) | Small enhancements and minor corrections /
bug fixes are made to the original version
of the online GO$ for DAQ1.
|
|
|
12
|
Sat Jun 1 19:00:57 2024 |
Carsten | DAQ | Change of (offline) frequency for common stop (CS) of VUPROMs (and 2nd TDC) and scaling factor | Temporarily, for tests of the second DAQ I
changed the frequency from the frequency
generator and scaling factor that is used |
|
|
13
|
Sat Jun 1 19:19:07 2024 |
Carsten | Detectors | Reminder: Check signals in scope and in DAQ of detectors with voltages switched off (vs. CFD threshold) | When the ion pumps and vacuum gauges are switched
off the scaler data of
PMT_south, PMT_middle, PMT_north, PD_NO, |
|
|
14
|
Sun Jun 2 00:01:46 2024 |
Carsten | DAQ | 25ps TDC CAEN V1290N DAQ2 lead to crash in DAQ2 due to a hardware issue | On the CAEN V1290N TDC the piggy board for
the lower 8 channels is not fixed well to
the motherboard.
|
|
|
18
|
Wed Jun 5 14:17:36 2024 |
Carsten | Accelerator | Distance Cooler Detector | Calculation from Helmut Weick (copied from
E142)
Distance e-cooler to particle detectors chamber:
|
|
|
25
|
Thu Jun 6 09:39:23 2024 |
Carsten | DAQ | Preliminary Channel Table (DAQ1 and DAQ2) | |
|
|
26
|
Thu Jun 6 19:42:20 2024 |
Carsten | Detectors | Exchange of amplifer channels / cables channels / HV voltage cables for PMT south | In order to check if the problem of regular
burst of pulses on the PMT south is related
to amplfier channels and or the HV cable, |
|
|
27
|
Thu Jun 6 19:47:01 2024 |
Carsten | DAQ | Exchange of Mesytec CFD/shaper - noise on signal lines from ESR magnets | Jan exchanged the Mesytec CFD/shper since
it could not be "remote controlled" anymore.
The new one has different shaping times and |
|