MUST2 SAMURAI_2018 S3-LEB-LPC SUPERNEMO MUGAST EXPAND SCALP GALATRON HiCARI VELO
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Status ExpNbrdown Date Author Type Category Target-Source Subject
Fixede793s Mon Mar 15 11:19:26 2021 Taras, cyril, LéoONLINEGeneralCD2Beam interruption at 11.19
Due to a safety alert, beam has been interrupted
Fixede793s Mon Mar 15 11:36:37 2021 Taras, cyril, LéoONLINEGeneralCD2Beam back at 11h32
Beam is back at 11h32
Fixede793s Mon Mar 15 11:45:42 2021 Emmanuel, ChloéOFFLINEGeneralCD248K level scheme from gg analysis
Fixede793s Mon Mar 15 12:08:49 2021 Taras, cyril, LéoONLINEHardwareCD2 vamos dipole tripped at 12h05
Vamos dipole tripped at around 12h05, had to be reset
Fixede793s Mon Mar 15 12:24:35 2021 Wilton, Emmanuel, ChloéOFFLINEGeneralCD248K level scheme from gg analysis
Fanstastic work, Emmanual and Chloe thanks. In a previous version, the 3522 was put in coincidence with the 143, but this has now changed?
Fixede793s Mon Mar 15 13:36:42 2021 Louis, ChloeOFFLINEGeneralCD2Ex vs Eg analysis and C2S

Louis wrote:
1) Summary of the the Ex vs Eg analysis with all the gamma ray identified highlighted in red. Green line shows the corresponding position of the excited states.

2) C2S extracted from DWBA analysis for the 0.143 (p3/2), 1.130 (p1/2), 1.985 (p1/2) and the 4 MeV (f7/2) states

3) A gamma ray transition is observed from the unbound states of 48K. Interesting is to notice that this 367 keV transition appear only for those states and that no high energy gamma are observed here.

4) usual Analysis plot



=> as regard as the unbound 48K*>Sn at 6MeV, the gamma ray at 361keV comes from the 1st excited state in 47K.
the other low gamma ray (2234keV) is not observed in coincidence with Eg=280keV or Eg=143keV.
Fixede793s Mon Mar 15 13:59:28 2021 Taras, cyril, LéoONLINEGeneralCD2run63 screenshots at 14h00
Fixede793s Mon Mar 15 15:04:13 2021 Taras, cyril, LéoONLINEGeneralCD2Beam interruption at 15h10
Beam interrupted at 15h10 for security problems, back at 15h20
Fixede793s Mon Mar 15 16:00:58 2021 Taras, cyril, LéoONLINEGeneralCD2Beam interruption at 15h30
Beam interrupted at 15h30 (security alarm), back at around 15h55
Fixede793s Mon Mar 15 16:42:54 2021 Laetitia, SergeONLINEGeneralCD2run63 screenshots at 16h35
Fixede793s Mon Mar 15 18:41:14 2021 Laetitia, SergeONLINEGeneralCD2run63 screenshots at 18h30
the slit L5 was opened around 18h to increase the yield and closed back a bit 10 min later (to 17pi) because CATS seemed to saturate
Fixede793s Mon Mar 15 20:34:12 2021 Laetitia, SergeONLINEGeneralCD2run63 screenshots at 20h35
Fixede793s Mon Mar 15 22:26:15 2021 Laetitia, SergeONLINEGeneralCD2Run63 screenshots at 22h30
Fixede793s Tue Mar 16 00:54:29 2021 Lynda, Cyril, NishuONLINEGeneralCD2run63 screenshots at 00h45 (16/03)
Fixede793s Tue Mar 16 01:31:37 2021 Lynda, Cyril, NishuBEAMGeneralCD2Beam intensity increased
We asked for a beam intensity increase around 01h10
The slits L5 were opened and more power (~ 100 W) on primary target
Now ~ 5.6e5 pps on Cats2
Fixede793s Tue Mar 16 03:58:13 2021 Lynda, Cyril, NishuONLINEGeneralCD2run63 screenshots at 03h45 (16/03)
Beam intensity fluctuates from 5e5 pps to 6e5 pps
Fixede793s Tue Mar 16 04:06:46 2021 Lynda, Cyril, NishuAGATAGeneralCD2counting rates AGATA
crystal 12B counting rate is too low ~ 5 / s compared to an average of ~ 80/s - 100/ s for the other crystals
and 05B counting rate is too high from time to time reaching ~2000/s
but every thing is "green" ?!

Issue solved By Emmanuel Clement at 10h45
Fixede793s Tue Mar 16 06:08:02 2021 Lynda, Cyril, NishuRUNGeneralCD2summary of run#63 @06:00hrs
we had seen sufficient decrements in the beam current from time to time in the last few hours, everything else is going smooth so far..
Fixede793s Tue Mar 16 07:22:12 2021 Lynda, Cyril, NishuBEAMGeneralCD2Beam intensity decrease
The beam intensity decreased around 6h55 to less than 1e5 pps
It is due to a change of the state of the source, PCP is working to increase the intensity
Fixede793s Tue Mar 16 08:17:33 2021 Sarah Chloé AblaihanRUNGeneralCD2run63 screenshots at 08h10
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