 Tue May 21 11:09:15 2024, Yuri, General, Logbook for beam tuning. 
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The version with better resolution is on our wiki page.
https://wiki.gsi.de/pub/ESR_EXP/E0018Experiment/20240521_logbook3.pdf |
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Tue May 21 08:50:06 2024, Yuri, Accelerator, EoB
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End of beamtime!
Request is out.
Scrapers are removed, slits in the TE line removed, ESR is ramped down. |
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Tue May 21 03:27:21 2024, K.Takiura Y.Kikuchi, Runs, Beam back
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03:26 Beam is back. |
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Tue May 21 03:07:58 2024, K.Takiura Y.Kikuchi, Runs, No beam
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03:07 Beam is down. |
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Mon May 20 14:02:03 2024, Jelena, Oliver, Shahab, DAQ, Retune 245 MHz
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Mew numbers for 245 MHz plunger is 190 (both) |
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Mon May 20 13:31:09 2024, Jelena, Oliver, Shahab, General, New setting focussing on 96-Sr
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plunger 150 for 250
plunger 48 for 410
From file starting from 13:21 is a new setting for 96Sr. |
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Mon May 20 13:26:55 2024, Jelena, Oliver, Shahab, General, Plunger values
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plunger 150 for 250
plunger 48 for 410 |
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Mon May 20 09:01:51 2024, Oliver, Jelena, General, Shift news
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Data collection runs smooth so far.
Yuri Litvinov will start modifying SP magnets now. The resolution will change. |
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Mon May 20 09:01:14 2024, Yuri, Accelerator, Modify SP magnets
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In attempt to remove double-peak structure, we will modify the SP magnets
START: 9:02
SP unchanged. Other values lead to a worse peak shapes.
Scrapers:
EEXDS2HA: -75 mm -> -5 mm (hopefully the left half is scraped)
E02DS3HG: -60 mm - unchanged
STOP: 9:40 |
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Mon May 20 05:32:17 2024, Gregor, Cagla, Accelerator, Short beam interruption
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We lost the beam for ~2min at (from ~5:28 till ~5:30). Everything seems to be back at the same state. |
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Sun May 19 17:48:15 2024, xing xu, hongfu, shahab, Runs, Beam back
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beam is back, first file 17:47 |
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Sun May 19 15:13:48 2024, xing xu, hongfu, Runs, No beam
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beam is down 14:45. Problem with UNILAC. may take an hour. |
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Sun May 19 14:17:57 2024, Shahab, Kanika,hongfu li,xing xu, DAQ, center frequency change for 96Sr
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aiming for 96-Sr:
410 MHz:
The plunger position for 410 is 45, which should correspond to the 408.998 MHz which is expected position for 96Sr. The first file is at 14:38.
245 MHz:
The center frequency is changed to 244.235723 MHz for 96Sr, the new plunger position is 300.The first file is at 14:5 |
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Sun May 19 14:11:29 2024, Yuri, Sergey, Accelerator, Sextupoles
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at 13:00
scrapers in the ESR are moved to block the most outside orbits
E02DS3HG out -> -60 mm
EEXDS2HA out -> -75 mm
at 13:50
E02KS3 changed from +0.01 to -0.1
E01KS4 is unchanged at -0.26
peaks look somewhat narrower (see telegram) |
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Sun May 19 12:04:55 2024, Kanika, Accelerator, Beam back
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The beam is back. |
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Sun May 19 11:02:49 2024, Xu Zhou, Yuhu Zhang, Kanika, Accelerator, the beam is paused
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The beam is paused and HHT team needs to enter the ring. |
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Sat May 18 16:45:15 2024, Helmut, Yury, Accelerator, setting for 96Sr (98Y)
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To have a few more lines the setting actually is not on 96Sr directly, but on 98Y39+.
98Y is also the one set to be isochronous.
But in addition the SIS-energy is shifted by -0.9 MeV/u to get at least better transmission for 96Sr. |
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Sat May 18 16:29:15 2024, Filip, Taka, Shahab, Runs, Good operation screen shot
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Sat May 18 16:21:30 2024, Taka, Filip, Shahab, DAQ, DAQ start
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16:21 DAQ restart for 96Sr
Acq. time 300 ms, 50 MS/s, span 25 MHz |
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Sat May 18 15:26:46 2024, Taka, Filip, DAQ, DAQ stop
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15:20 RSA DAQ stop -> Sr setting |