 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.
[URL=https://wiki.gsi.de/pub/ESR_EXP/E0018Experiment/20240521_logbook3.pdf]https://wiki.gsi.de/pub/ESR_EXP/E0018Experiment/20240521_logbook3.pdf[/URL] |
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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
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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.
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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:
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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
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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 |
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Sat May 18 14:43:59 2024, Yuri, Accelerator, Reduce intensity, 98Mo42+
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reduce intensity
eexds2ha 7mm --> 9 mm
e02ds3hg -69 mm -- stays
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Sat May 18 13:13:45 2024, Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, Shahab , Calibration, Shorter shots with 98 Mo
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now making shorter shots with 98-Mo
3 seconds each
50 MSPS
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Sat May 18 13:07:23 2024, Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, Shahab , DAQ, Long measurements 100-Mo
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Primary beam two shots, each 10 seconds
13:06 --> RSA01-2024.05.18.13.05.41.969.tiq, ../RSA02/RSA02-2024.05.18.13.05.42.662.tiq
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Sat May 18 12:31:45 2024, Yuri, Taka, Xinliang, Sophia, Yuanming, Ragan, Shahab, Detectors, Cooler Curve measurements
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Cooler curve measurement, Primary Beam 100 Mo
center Freqs:
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Sat May 18 02:22:30 2024, Helmut Weick, Accelerator, paper log book pages 17.05.2024
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| until we lost the beam in the night. |
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Sat May 18 02:04:38 2024, Yoshi, Ohnishi, DAQ, RSA01 run
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| RSA01 was stopped from 19:25, it restart now. |
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Sat May 18 01:57:44 2024, Weick, Accelerator, 96Sr isoc setting
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We fist verified the ESR after a crash with the 98Zr setting, was fine good resolution,
then we scaled to 96Sr directly at gamma_t not with shift as before.
E_SIS = 449.21 MeV/u for 100Mo 38+
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Sat May 18 00:37:52 2024, Helmut, Wolfram, Shahab, David, Xinliang, Runs, SIS beam gone
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Sat May 18 00:37:21 2024, Helmut, Wolfram, Shahab, David, Xinliang, Runs, Trying to get back to Zr setting
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Sat May 18 00:15:44 2024, Yoshi, Ohnishi, General, Beam back
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| Beam is back, but it stopped again at 0:17...... |
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Sat May 18 00:06:56 2024, Shahab, Runs, HHT people out again
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| we try to re run the ESR. ESR behaves very strangely. Something not so right. |
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Fri May 17 23:30:16 2024, Shahab, General, HHT people inside
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| no beam since about one hour, also HHT people inside since about 10 min. |
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Fri May 17 23:14:51 2024, Yoshi, Ohnishi, General, shift started
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| Just test |
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Fri May 17 22:48:14 2024, Jelena B, Accelerator, Back to old setting
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| We go back to the Zr-settings to make a deffinite state of ESR and we move again to previous setting (Sr) |
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Fri May 17 22:43:11 2024, Jelena B, Zsolt P., Accelerator, ESR_e.cooler are back
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We have back ESR and we have a fixed issue with a cooler.
Beam issues! |
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Fri May 17 22:38:30 2024, Jelena B, Zsolt P., , ESR + e.cooler are back
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| We have back ESR and fixed issue with a cooler. |
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Fri May 17 22:06:05 2024, Jelena B, Zsolt P., Accelerator, ESR
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| ESR is down |
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Fri May 17 21:56:58 2024, Jelena B, Zsolt P., Accelerator, Optimizing setting
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We are optimizing setting for 96Sr
start time: 21:52 |
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Fri May 17 21:44:39 2024, Jelena B, Zsolt P., General, Beam issues
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| We do not have beam, and we have some instability during last 1-1.5 hour. |
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Fri May 17 20:33:43 2024, Jelena B, Zsolt P., General, Beam returned to FRS
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We have again beam at FRS..
But we are taking still cycles on a same way as before...and discussing to go back to the old zirconium setting
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Fri May 17 19:43:03 2024, Jelena B, Zsolt P., Shahab, David, Analysis, + Beam issues
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Important - analysis
-> we are trying to get PID with a new setting to see if 98Zr decays with 30s half-life
--> we are taking 1 min cycles
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Fri May 17 17:50:49 2024, Jelena B, Zsolt P., Shahab, DAQ, new trigger events
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| From 17:49 we have super short trigger. - see attached setting! |
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Fri May 17 17:09:26 2024, Helmut, Yury, Accelerator, approx. 96Sr setting (98Zr39+)
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Only 96Sr would yield very few line with only ions from time to time.
So we went a bit lower in Brho 7.69 Tm -> 7.65 Tm.
The setting is calculated as a 98Mo39+.
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Fri May 17 17:08:24 2024, Jelena B, Zsolt P., Runs, New setting from 5p.m.
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NEW SETTING
All runs from 17:00 are with new setting, due to changing the directory - transfer from old to new one around 200 runs. |
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Fri May 17 17:03:39 2024, Helmut, Yury, Accelerator, approx. 96Sr setting
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Only 96Sr would yield very few line with only ions from tiem to time.
So we went a bit lower in Brho 7.69 Tm -> 7.65 Tm.
The setting is calculated as a 98Mo39+.
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Fri May 17 16:42:00 2024, Jelena B, Zsolt P., General, Beam back
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Beam is back at 16:38.
We are changing the setting. |
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Fri May 17 16:34:43 2024, Jelena B, Zsolt P., General, Beam issues
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We lost beam at 16:29.
Cooler has to be investigated. |
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Fri May 17 05:48:33 2024, Ahmed, Zidarova, Kalaidjieva, Runs, Beam stopped
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HHT have more problems and need to enter the cave, beam is stopped for some time
Beam stop: 05:46
Beam back 6:31 |
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Fri May 17 00:15:24 2024, Ahmed, Zidarova, Kalaidjieva, Runs, Beam gone
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HHT called and said they have problems and need to enter the cave, so they stop the beam for some time
Beam Stop 00:10
Beam back 01:01 |
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Thu May 16 23:08:34 2024, Ahmed, Zidarova, Runs, Beam dropped
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| Beam dropped between 23:00 and 23:05 |
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Thu May 16 21:51:22 2024, Ide, Hubbard, Runs, Intensity back to previous values
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| since 21:48 particle intensities increased to again to 1.5E9 |
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Thu May 16 21:40:20 2024, Ide, Hubbard, Runs, Intensity drop
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| Intensity in particles dropped from 21:33 |
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Thu May 16 21:26:50 2024, Ide, Hubbard, Runs, Intensity back to previous values
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| since 21:20 the intensity is back to 1.5E9 |
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Thu May 16 21:13:18 2024, Ide, Hubbard, Runs, Intensity drop
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| The intensity dropped at 21:10 from ~ 1.6E9 down to ~ 8E8 |
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Thu May 16 19:10:27 2024, Ide, Hubbard, Xinliang, David, Shahab, Runs, New Run setting for Zr Isomer hunt
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19:10 runs from now on run with an optimized setting:
we did a lot of optimization for the hunt of Zr isomer:
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Thu May 16 18:55:38 2024, Ide, Hubbard, General, new timing cycle
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| new timing cycle of 6.7s |
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Thu May 16 18:33:30 2024, Ide, Hubbard, Runs, Beam returned to ESR
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Beam is back at 18:32
now in the particle plot the peaks seem to be more isolated than before (see attachment 1)
since 18:36 it looks like before (see attachment 2) |
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Thu May 16 18:28:31 2024, Ide, Hubbard, Runs, No beam to ESR
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beam issues between 18:23-18:26
and beam completely lost from 18:27 till 18:32
in the SIS an issue with a dipole occured |
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Thu May 16 16:45:33 2024, Ide, Hubbard, Runs, Beam returned to ESR
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beam is back
16:45 |
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Thu May 16 16:43:29 2024, Yuri, Accelerator, HHT
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| HHT sees radiation from us. We stop for 10 min for them to see the speed with which the radiation level decreases. |
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Thu May 16 16:38:11 2024, Ide, Hubbard, Runs, No beam to ESR
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because of problems in HHT
no beam from 16:36 |
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Thu May 16 16:10:03 2024, Ide, Hubbard, Runs, Lassie Screenshot
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| Lassie Screenshot taken at 16:09 |
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Thu May 16 15:24:30 2024, Ide, Hubbard, Accelerator, new Plunger setting
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plunger motors were set
to +/-390 mm for 245 MHz resonator
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Thu May 16 14:52:45 2024, Shahab, DAQ, Zr recording
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| Recording Zr starting from 14:45 again back to short cycle. |
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Thu May 16 13:04:02 2024, Mayr, Hannes, Runs, DAQ stopped, change setting to 98Zr
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| Beam tuning for 98Zr starting at 12:53, following data should be excluded from analysis. DAQ was stopped around 13:13. |
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Thu May 16 12:48:58 2024, Sergey, Accelerator, Tune to 98Zr
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- stop longer measurements
- change quadrupole and sextupole magnets
- rescale SIS-TE-ESR |
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Thu May 16 11:20:10 2024, Sergey, Accelerator, Screenshot of ESR pattern with 140 repetitions (each is 100 ms)
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Injection Beam Process: 100ms
Bunching Beam Process: 16ms
Intermediate Beam Process: 100 ms, which is repeated 140 times
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Thu May 16 11:13:05 2024, Mayr, Hannes, Runs, Rates
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| With the new timing, the rates now look like can be seen in the screenshot. |
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Thu May 16 11:08:27 2024, Mayr, Hannes, Runs, DAQ running again
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"Real" measurement with good data starting from 11:07 until approximately 13:00.
Measurement time was changed to 10s with injections every 32s. |
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Thu May 16 10:18:14 2024, Mayr, Hannes, Runs, Beam back, DAQ off
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Beam is back since 10:10, but DAQ is turned off to change the setting there.
Measurements starting at 10:18 are only test runs and should not be used for analysis. |
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Thu May 16 09:41:56 2024, Mayr, Hannes, Runs, No beam
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| No beam from 09:39 to 10:10 due to a setting change. The change aims to increase the measurement time to 10s. |
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Thu May 16 08:58:39 2024, Mayr, Hannes, Runs, Fluctuations in particle rate
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| Particle rates are fluctuating and increasing from a constant 5e8 to something around 1e9. |
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Thu May 16 07:50:39 2024, Mayr, Hannes, Runs, Peaks with very high particle rate
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| Peaks in the particle diagram going to unusual high 1.4e9 particles. |
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Thu May 16 07:25:33 2024, Mayr, Hannes, Runs, Lassie Screenshot 07:23
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| Start of regular screenshots of the Lassie monitor every 1-2 hours. |
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Thu May 16 04:37:27 2024, Boguslaw, Camille, Runs, No beam to ESR
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| We had no beam in ESR for about 3 minutes |
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Thu May 16 00:37:41 2024, Boguslaw, Camille, Runs, Injection pattern changed
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The injection pattern changed on Lassie monitor (0:27 AM). (picture 1)
It when back to the previous rate at 1:48 AM. (picture 2)
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Wed May 15 23:04:32 2024, Xinliang, Analysis, Electron cooler data
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| The cooler curve measured during May 14 afternoon. |
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Wed May 15 20:40:51 2024, Jeroen, Johan, Runs, Beam returned to ESR
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| 20:39:42 Runs restarted. |
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Wed May 15 20:17:20 2024, Jeroen, Accelerator, Fewer spills from SIS18 then lost beam
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Apparently fewer spills coming from SIS18, see attached.
Beam was lost at 20:17:52. |
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Wed May 15 19:45:44 2024, Helmut Weick, Accelerator, Cooler curves after beam shift
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After the Beam position tuning but before the scraper tuning two more cooler curves were taken.
The first with all scrapers open shows a similar shape to before with the same quadrupole setting.
Afterwards the ESR ebergy was shifted by -0.8 MeV/u to get the beam more on an outer orbit.
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Wed May 15 19:20:32 2024, Helmut Weick, Accelerator, scraper setting
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After the orbit correction on the target straight section the scrapers work better.
One pair of scrapers works best:
GEEXDS2HA (outside straight section = low Brho side) = -4.0 mm
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Wed May 15 18:37:36 2024, Jeroen, Johan, Shahab, Runs, Beam returned to ESR
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| Beam returned at 18:30:55. Taking data with new triggers. |
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Wed May 15 17:47:34 2024, Jeroen, Johan, Shahab, General, New Trigger Setup
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| We changed the trigger setup, see attachment |
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Wed May 15 17:45:09 2024, Jeroen, Johan, General, No beam to ESR
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| Beam lost from SIS18 at 17:41:41. |
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Wed May 15 17:22:43 2024, Jeroen, Shahab, Johan, Runs, 98Mo run
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| Beam tuned at 4:50, data acquisition aligned for 98Mo at 4:56. |
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Wed May 15 16:55:10 2024, Jeroen, Johan, General, Tuning ESR scraper. Isomer resolved.
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4:50 Scraper tuned to produce Gaussian beam profile for 98Mo. Isomer now clearly resolved.
Plan to take data for 98Mo fragment for 12 hours. Measurements from 4:59 are now aligned so that the Molybdenum fragment is centered in the RSA acquisition. |
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Wed May 15 13:39:10 2024, Beatriz, Min, General, ESR setting
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| From 13:37 ESR will be changed again. Now back to the primary beam, it will be attempted to measure the orbit of the beam. |
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Wed May 15 12:58:12 2024, Beatriz, Min, Shahab, Runs, optimizing the mass resolution
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Yuri and Sergey still optimizing the mass resolution.
From 13:10 to ~ 13:35 SIS energy was increased to 457.4 (~3 MeV/u) to test whether this moves the best isochronicity to 98Mo (we were off before), -> Brho(98Mo)=7.12736 |
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Wed May 15 11:59:32 2024, Beatriz, Min, DAQ, File transfer to lustre looks to be stopped
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| File transfer to lustre looks to be stopped at around 11:35AM |
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Wed May 15 11:45:22 2024, David, Analysis, Lustre Trouble
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Since around 11:30, Lustre is down, therefore in https://sparc-daq-02.gsi.de/, the spectrograms are not being updated. Expected time to recovery > 2 hours.
The data will still be stored on the local hardisk. Whenever Lustre is online, we start file transfer and analysis.
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Wed May 15 10:58:32 2024, Beatriz, Min, General, Beam returned to ESR
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| Beam recovery at around 10:52:30. Sergey and Yuri still tuning the mass resolution. |
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Wed May 15 09:35:08 2024, Beatriz, Min, General, No beam
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| At 9:32 we lost the beam. They have to work in the Unilac and there will be no beam for 45 minutes. |
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Wed May 15 06:15:02 2024, Chris, Asahi, DAQ, Data transfer to lustre looks to be stopped
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File transfer to lustre looks to be stopped at 6:03
File copy program had stopped for some reason.
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Wed May 15 02:12:59 2024, Chris G, Asahi Y, General, Beam returned to ESR
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| Injection to ESR restarted around 02:12:15 |
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Wed May 15 02:07:02 2024, Chris G, Asahi Y, General, No beam to ESR
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Injection to ESR stopped around 02:04:45.
Will continue to write data in hope that beam returns shortly. |
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Wed May 15 01:27:13 2024, David, Asahi, Shahab, Chris, DAQ, Restarted data taking
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Data taking restarted at 01:27 following re-alignment of the RSAs.
Also reduced number of processing threads to 10. |
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Wed May 15 01:11:45 2024, David, Asahi, Shahab, Chris, Ruijiu, General, Time optimisation
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DAQ stopped at 01:11 to optimise data taking cycle of RSAs.
Changed data writing time from 2s -> 1.8s. |
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Wed May 15 00:26:53 2024, David, Asahi, Shahab, Chris, Ruijiu, Runs, First data file - 00:26
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Centered resonant frequency on 98Mo+42 at the 126 harmonic (243.925 MHz) and 211 harmonic (408.483 MHz).
Recording for 2 seconds (injection start at 10%), injection every 6 seconds. |
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Wed May 15 00:17:24 2024, David, Asahi, Shahab, Chris, Ruijiu, DAQ, Optimizing the 245 resonance curve
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Wed May 15 00:06:10 2024, David, Asahi, Shahab, Chris, Ruijiu, DAQ, Optimizing the 410 resonance curve
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Tue May 14 23:46:04 2024, David, Asahi, Shahab, DAQ, Trigger setup
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GENESYS setup trigger
screen shot
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Tue May 14 23:40:03 2024, Helmut, Sergey, Yury, Accelerator, paper log book
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two pages of log book on paper for teh first setup,
injection into ESR and tuning primary beam 100Mo and fragment 98Mo. |
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Tue May 14 23:22:55 2024, Helmut Weick, Accelerator, isochronicity curves
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Sergey started with a setting with quadrupoles already changed like in 2021.
Ths was used for the first isochronicity curves.
It also gave soem, however, not good peak shapes with scrapers closed.
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Tue May 14 22:13:38 2024, David, Ruijiu, David, Asahi, DAQ, doing some test runs without accelerator trigger
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| empty shots for test. |
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Tue May 14 21:41:11 2024, Shahab, Runs, Test Screenshot
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Tue May 14 19:07:27 2024, Shahab, Runs, Broadband measurement / High Sampling rate
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Stable beam after a long time:
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Tue May 14 15:07:23 2024, Ruijiu, David, Shahab, Xinliang, Zhangmin, Runs, Cooler curve measurement 7x
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Cooler curve measurement
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Sun May 12 18:34:54 2024, Ruijiu, Analysis, How to use queqiao to transfer tiq data
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If the ssh to lxir131 was disconnected, you can connect to lxir131 and restart queqiao program to transfer tiq data from NAS to luster.
1. Open a terminal on any GSI linux computer, like the one in the Measurement Room:
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Thu May 9 15:59:30 2024, Ruijiu Chen, DAQ, Carsten checked the NTCAP system.
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Exactly this was the question. If several devices fail at the same time and you look for the course you might get suspicious.
Anyhow,
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Thu May 9 10:01:59 2024, Ruijiu Chen, DAQ, NI crate of NTCAP system can not be started.
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After moving the NTCAP system from HKR to ESR Messhutte, we tested the system with a signal generator on 16th February and confirmed that it was functioning
correctly.
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Thu May 9 09:12:59 2024, Dounia, Shahab, DAQ, RSA file sync
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| RSA file sync with server was up with LXIR131 through to the Lustre. |
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Mon May 6 12:16:09 2024, Ruijiu Chen, DAQ, ntcap scaler
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Tue Apr 16 15:35:07 2024, Jan, Collaboration, G-PAC Proposal
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