Fixed, e755, Sat Jun 23 22:08:43 2018, e755 - Louis, Daisuke,Shumpei, Takeshi, Nori, Valérie, RUN, General, Cryo-LH2, Run 88-Empty target measurement 10x
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CATS beam 1.8 10**5 /s
Run 88 start @ 22h07
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Fixed, e755, Wed Jun 27 21:13:40 2018, e755 Daisuke, Olivier, edited by Valérie, RUN, General, Cryo-empty, Conditions for the night runs
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TUNING OF 38Ca to be ready during the night, after the change of CO source at the machine between 21h and 2am (maybe).
LISE team: Omar K, Jean-Charles T. Tuning made for 38Ca at 21h for Run 162.
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Fixed, e755, Thu Jun 28 08:20:54 2018, e755, RUN, General, Cryo-LH2, Summary Run 165-169
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[U][B]Run 165[/B][/U][LIST]
[*] start: 2h12
[*] start: 3h11
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Fixed, e748, Thu Jul 6 15:24:25 2017, e748-shift U, BEAM, General, CD2, Beam stop, end of run 341
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The beam was stopped due to vacuum problem at CSS2.
End of run 341 at 15h21. |
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Fixed, e748, Wed Jul 5 09:13:17 2017, e748-A. Lemasson, CHIO, Hardware, CD2, CHIO cathode problems
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Thomas and Julien going to D6, the cathode power supply tripped.
Setting it back and we will check signal when beam is sent back. |
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Fixed, e748, Sun Jul 9 02:41:49 2017, e748- shift U:Valérie L +Beyhan B., RUN, General, CD2, Run 374 - good beam conditions 10x
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The 18O was very stable between 0h and 2h around I ~ 4.5 ľA.
CAVIAR ~ 161k; CATS1 ~ 88kcps; CATS2~ 111kcps ; CHIO ~ 106kcps; PLASTIC ~ 105 kcps.
The dead time is between 4 and 7%.
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Fixed, e744, Mon May 28 22:11:52 2018, e748- Louis, EXL-PPT, Hardware, CH2, EXL4 trigger excess
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| During run 2101, Frequency of the EXL4 channel at 478Hz compared to values around 30Hz for other channels |
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Fixed, e748, Sun Jul 9 04:21:42 2017, e748- Beyhan B + Valérie L, BEAM, General, CD2, BEAM SURVEY AT PCP
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The beam Survey from the PCP can be seen in the attached picture below.
Our spokesperson Adrien M can go and ask to the PCP at the end of the experiment the data file of the beam intensity histograms.
The plots can be seen in the intranet [The address is: http://intranet.ganil.fr/SDA/suivi_equipements/ ] |
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Fixed, e748, Sun Jul 9 05:21:29 2017, e748 shift U Valérie L. +Beyhan B.(-8h)/ Daisuke Shumpei (8h-), RUN, General, CD2, Run 375 after beam stop 11x
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The tuning of the beam alignment was checked by the PCP. cf beam profiles at 5h15 in LISE notebook and below.
We check also the beam profiles on CATS.
The beam was at 4.2 ľA increasing to 4.6 ľA but we do not recover the same intensity in LISE as during the run 374.
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Fixed, e748, Sun Jul 9 04:43:40 2017, e748 shift U Valérie L. +Beyhan B., RUN, General, CD2, Run 374- 9 JULY - stop at 5h
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Between 4h-4h50 the 18O has decreased from 4.5 down to 4 ľA.
CAVIAR ~ 161k; CATS1 ~ 90kcps; CATS2~ 114kcps ; CHIO ~ 109kcps; PLASTIC ~ 108 kcps.
The dead time is between 4 and 7%.
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Fixed, e748, Sat Jul 8 23:51:06 2017, e748 shift U Valérie L. , RUN, General, CD2, Overview of run 374 around midnight 7x
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Run at 23h48 with stable conditions, 18O beam: 4.5 ľA
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Fixed, e748, Fri Jul 7 16:34:34 2017, e748 shift U Simon G. + Valérie L, RUN, General, CD2, Overview of Run 368 - 10Be beam 12x
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Run 368 started at 16h30 stop at 18h01 (automatic stop)
Run 368_1 ongoing at 18h41
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Fixed, e748, Fri Jul 7 23:45:52 2017, e748 shift U Simon G +Valérie L (-12 am)/ Daisuke+Shumpei+Marlene (12 am -), RUN, General, CD2, Run 368 (following) at 23h45 6x
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At 23h45; Beam stable I 3.95 ľA
CATS2 ~ 94 kcps (2 pictures of CATS at 4 hours difference attached)
chio 89kcps Plastics 87kcps FAG ~ 180-190/s
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Fixed, e748, Fri Jul 7 20:26:30 2017, e748 shift U Simon G +Valérie L, RUN, General, CD2, Runs 368, 368_1, 368_2, 368_3 10Be runs
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RUNS 368, 368_1, 368_2
I ~ 3.7 eľA (on D6 TI22)
General DAQ 1Go during 1h30
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Fixed, e748, Fri Jul 7 22:02:39 2017, e748 shift U Simon G +Valérie L, CATS, General, CD2, CATS situation
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During Run 368, we note at 21h30 that now CATS2 has continuously a 0.1 ľA current. Maybe there are some microtrips on some central part of the detector.
The counter also shows strong fluctuations of CATS2 counting rate between 80 and 40kcps down to 0 then up again.
Concerning the raw charges on CATS, the situation is similar since the beginning of the runs in the afternoon, 7th July. |
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Fixed, e748, Fri Jul 7 22:36:12 2017, e748 shift U Simon G +Valérie L, BEAM, General, CD2, Beam during Run368, situation at 22h30
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After strong instabilities the beam intensity is better and we have recovered nearly 93kcps on CATS2 as during the beginning
of run 368 at 16h30. Cf scalers below at 22h35, and the picture of the primary beam intensity. |
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Fixed, e748, Wed Jul 5 04:34:06 2017, e748 shift U, RUN, General, CD2, Overview of Config and TAC during run 323 (.3)
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The counting rates in the Gatconf, confdev, dataTrig of the different branches are checked in the first plot below.
The second picture is for the TAC.
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Fixed, e748, Wed Jul 5 06:11:47 2017, e748 shift U, RUN, General, CD2, Overview of Config +QplastTcats1 during run 323 (.5)
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The counting rates in the Gatconf, confdev, dataTrig of the different branches are checked in the first plot below.
see plot Qplast %TplCats1 with the night statistics.
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Fixed, e748, Fri Jul 7 18:18:13 2017, e748 Thomas R. +shift U Simon G +Valérie L, CHIO, General, CD2, Thomas's explanations on Agava
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AGAVA
cf drawing below done by Thomas.
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Fixed, e748, Sat Jul 8 06:02:18 2017, e748 Marlčne Daisuke Shumpei, RUN, General, CD2, RUN369
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Caviar has tripped during the night (before 4a.m.)
We have put the bias again but we could not reach the nominal value of 1040V. We have set the bias at 950V.
If we increase the bias, then the current rises strongly and reaches the 2uA limit.
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