 Thu Apr 3 09:43:14 2025, All, Accelerator, Stop 194Pb, switch to 208Pb82+
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The repair of SIS electron cooler power supplies
In the meantime we received a few injections and confirmed that 194Pb setting is still as it was before entering into the ESR
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Thu Apr 3 23:23:20 2025, Zhang Min, Zhou Xu, Accelerator, Beam injection change 
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The SIS operator says that FRS doesn't need beam now, ESR will receive the full SIS beam extraction every 3 secs overnight. All the secondary beams are
injected into ESR from now on. |
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Fri Apr 4 17:04:39 2025, H. Weick, S. Litvinov, Accelerator, slits after target, Bio_REM alarm
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A Bio-REM detector on the roof of ESR caused an alarm and shut down the whole accelerator.
Too much primary beam going to ESR, noe we avoid it by catching the primary beam at TE4 slits.
The distribution on current grids looks liek in the LISE simulation, we cut at 5mm.
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Fri Apr 4 17:10:35 2025, H. Weick, S. Litvinov, Accelerator, ESR scraper setting
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the new scraper setting for good isochronicity but still acceptable intensity losses is:
Done at ~ 15:00 today.
GEEXDS1HA (outside) = -8 mm
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Sun Apr 6 18:36:56 2025, Shahab, Moriguchi, Taka, Accelerator, Beam stopped
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| Beam stopped due to device trouble. |
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Sun Apr 6 18:48:36 2025, Shahab, Moriguchi, Taka, Accelerator, Beam back
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| Beam is back now. |
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Sun Apr 6 19:23:09 2025, Shahab, Moriguchi, Taka, Accelerator, Beam sharing
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| Beam sharing with FRS is now 1 to 1. |
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Sun Apr 6 20:13:03 2025, Taka, Moriguchi, Accelerator, Beam sharing
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| Now we have every injection. |
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Sun Apr 6 21:29:37 2025, Taka, Moriguchi, Accelerator, Beam sharing
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| again, ESR : FRS = 1 : 1 |
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Mon Apr 7 07:09:01 2025, Jelena, Guy, Accelerator, Beam interruption, FRS
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| Beam is gone since 7:02. Control room is notified. Beam is back since 7:14. FRS started taking spills. |
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