 Thu Jun 13 14:35:27 2024, Ruijiu Chen, David, Analysis, Lifetime of beam during June 13 7:00~9:00 
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Thu Jun 13 14:20:36 2024, Ruijiu Chen, David, Analysis, Lifetime of beam during June 13 4:30:7:00
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Thu Jun 13 13:29:47 2024, Ruijiu Chen, David, Analysis, Lifetime of beam during June 12 22:00- June 13 0:00
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Mon Jun 3 19:42:06 2024, Rodolfo, Laser, Laser-beam through E-Cooler
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UV-laser beam is now going through the Electron-Cooler.
Telescope settings:
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Wed May 29 09:49:30 2024, Rodolfo, Laser, Laser-beam profile
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Using a telescope (Plan-concave lens -500 mm and Plan-convex lens +1000 mm) after the pulsed-dye laser system we got the following laser-beam profile at
the Electron-Cooler's position. Dye Laser @ 550 nm / 275 nm |
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Thu Jun 13 18:38:24 2024, Rodolfo Sanchez, Julian Palmes, Sebastian Klammes, Laser, Laser Dye change - new MRC settings - scraper checks of laser beam
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We changed the dye at ~3pm.
After some fine adjustements of the laser we had to change the MRC settings, because the laser position changed.
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Tue Jun 11 09:17:46 2024, Julien, Konstantin, Lukas, DAQ, Important commands (DAQ1)
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To connect to the DAQ1 pc, open a terminal and type:
ssh atplaser@r4l-41
Enter password for user atplaser ([B]note that you're typing on an English keyboard[/B]).
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Tue Jun 11 22:59:06 2024, Carsten, Accelerator, Identification / NTCAP started
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ESR is set-up in most parts.We are trying to identify our 229Th89+. It is more cumbersome then exspected because of the thick target an d the according
energy loss, the pattern has changed compared to the last beamtime.
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Tue Jun 11 23:46:06 2024, Carsten )))), Accelerator, ID
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The frequency of the primary beam 238U82+ at the injection:
Ucool = -360 V
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Wed Jun 12 01:51:51 2024, RuiJiu, David, Analysis, ID
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The preliminary identification has been thoroughly checked using the RionID software. We have confirmed that the identification is accurate.
Attached can be found the simulation file with each of the expected ions, their revolutions frequencies in the 125th harmonic and expected yield from the |
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Tue Jun 11 21:23:11 2024, Julian, Imke, General, How to read out voltage
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1.) If not already opened, open the Medusa Laser Control software, see picture:
2.) In the "view" submenu, choose "proteus status".
3.) At the bottom of the list, the K250 shows the scaled voltage. |
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Tue Apr 16 16:28:21 2024, Danyal, General, Great
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| Thanks Jan! |
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Sat Jun 1 18:55:18 2024, Carsten, Analysis, Go4 Analysis Version for DAQ1 (atplaser)
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Small enhancements and minor corrections / bug fixes are made to the original version of the online GO$ for DAQ1.
Assignment of channel names corrected, condition names adapted to present DAQ
Potential pitfalls are commented in the code.
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Wed May 29 10:54:21 2024, Shahab, Jan, General, Gas Target Events with new timing system
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Using the new timing system, it is possible to grab any events as pulses, but also as long inter event gates under GENESYS. Many instances of GENESYS can
be running on ACO computers, so that there is no conflict, if an instance is running in main control room or another in ESR-Messhütte.
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Sat Jun 15 03:46:34 2024, Night shift, Accelerator, GSI down
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All quadrupole and dipole magnets at SIS and ESR are out of order. Repairs can be expected earliest tomorrow evening. No shifts will take place before 6pm.
Have a look at your mails for details. |
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Tue Apr 16 14:42:37 2024, Jan, General, G-PAC Proposal
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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
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Voltages and thresholds increased for PMT Middle and North (in order to account for the ADC measurement in DAQ2
[TABLE border="1"]
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Wed Jun 12 18:48:43 2024, Afternoon shift, Runs, First laser scans
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[TABLE border="1"]
Time | Part. Det. Int | ESR-intensity| cooler-HV | LMD-DAQ1 Files | LMD-DAQ2 Files | scan range(nm) | number of positions | dwell time(s) | n loops | comments
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Wed Jun 12 12:12:44 2024, Konstantin Mohr, Julien Spahn, Jonas Koedel, Bernhard Maass, Accelerator, First Scraper Scan
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Thorium is in the ESR, we have time to check the beam position with the scrapers.
Beam Intensity in the ring 6E-5
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Thu Jun 6 19:42:20 2024, Carsten, Detectors, Exchange of amplifer channels / cables channels / HV voltage cables for PMT south
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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, the cheannels of the amplifiers
in the ESR were changed. Likewise, a different HV cable is now used for the supply of the PS.
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