Fixed, e744, Fri May 4 23:58:07 2018, iulian, RUN, General, 3-alpha, Run #203 alfa source & 60co source 
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run #203
alpha source & 60co source
start 23h56
stop 11h07 |
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Fixed, e744, Thu May 10 14:38:41 2018, iulian, EXL-PPT, Hardware, N/A, Mesytech settings
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Tried unsuccessfully to change the gain on EXL energies.
Looking at the inspection lines noticed that all the EXL signals were inverted (negative) and we were coding only the pole zero part of the signals.
Looking into the manual find out how to change polarity of the signals. Did that and now the signals look normal with normal gain change after polarity change.
EXL polarity is negative so Mesytech modules have to be set to use negative input signals.
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Pinned, e744, Fri May 11 14:00:48 2018, iulian, EXL-PPT, Hardware, N/A, Mesytech settings
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| iulian wrote: | Tried unsuccessfully to change the gain on EXL energies.
Looking at the inspection lines noticed that all the EXL signals were inverted (negative) and we were coding only the pole zero part of the signals.
Looking into the manual find out how to change polarity of the signals. Did that and now the signals look normal with normal gain change after polarity change.
EXL polarity is negative so Mesytech modules have to be set to use negative input signals.
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PPT HV = 650 V
This is happening when the pre-amplifiers for EXL are not alimented.. When they are alimented the EXL sigal polarity is positive.. The gains and thresholds for Mesytech modules are below |
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Fixed, e744, Sat May 12 08:54:42 2018, iulian, MUST2, General, 3-alpha, Run #114 T1-T5 trigger 3alpha source calib run
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Run #214
Trigger T1-T5 & gamma
3 alpha run
start @8h15m55s 12/05
stop @20h01 12/05
This run use new das config copied from e744_save04mai_fonctionne.das, updated and then re-saved to e744_save12mai_fonctionne.das
The previous config , saved now under the name e744_save12mai.das, gives no Y energies in the spectras and an error on Muvi2 (some register different) |
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Ongoing, e744, Sat May 12 20:09:09 2018, iulian, MUST2, General, 3-alpha, Run #115 3 alfa run Calibration T1-T5 trigger
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Run #215
Trigger T1-T5
3 alpha run
start @20h09 12/05
stop 11h40 13/05
Run crashed during the night (looks line NARVAL)...
Needed to stop and start to be able to init VME slave.... VME master was ok |
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Ongoing, e744, Sun May 13 12:09:55 2018, iulian, MUST2, General, 3-alpha, Run #116 3 alfa run Calibration T1-T5 trigger
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Run #115
3 alfa run Calibration T1-T5 trigger
start 12h10
start_online gives a ilegal instruction fault from time to time: |
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Pending, e744, Sun May 13 13:32:44 2018, iulian, ONLINE, Software, N/A, start_online ilegal instruction fault
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From time to time the start_online code gives an ilegal instruction error and crash... Once the ctrl-c pressed it shows:
"Error in <TFile::cd>: No such file /home/e748/analysis/nptool/Outputs/Simulation.root:/" |
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Fixed, e744, Wed May 16 11:30:21 2018, iulian, EXL-PPT, General, 60Co, run 302 60Co source
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Run #302
60 Co source PPT & EXL trigger
1start 21h46m40s 15/05
stop 10h 16/05 |
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Ongoing, e744, Wed May 16 21:45:47 2018, iulian, MUST2, Software, N/A, Run #323 Calimero T1-T4 strips X
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Run #323
Calimero T1-T4 strips X |
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Ongoing, e744, Wed May 16 22:03:13 2018, iulian, EXL-PPT, Software, 60Co, run #324 60Co
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run #324
60Co
start 22h02 16/05
stop 10h12 17/05 |
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Pinned, e744, Thu May 17 12:04:45 2018, iulian, EXL-PPT, Hardware, 60Co, EXL delay of ADC Codding window
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EXL timing delays for Mesitech module 2 & 1
Module 1
ECL sygnal going to the ADC are delayed by 1.3 us
Trigger output is delayed by 350 ns
EXL input signal has a rise time of 3 us
Module 2
ECL sygnal going to the ADC is delayed by 554 ns
Trigger output is delayed by 350 ns
EXL input signal rise time is 3 us |
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Ongoing, e744, Thu May 17 18:29:16 2018, iulian, MUST2, General, 3-alpha, Run #333 Last alfa run before experiment
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Run #333
3a source
T1-T5 trigger
start 18h30
ps: If no HT on the detectors but BT on, you will have alfa E&T on X, but not on Y side (except some strips) |
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Pinned, e744, Wed May 23 15:10:15 2018, iulian, OTHER, General, N/A, Procedure to start stop RUNS
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Fixed, e744, Thu May 24 01:53:28 2018, iulian, RUN, General, N/A, run 438 Lise trigger
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run 438 D4 in
run 439 d6 in.
D4 D6 transmision with CATS in:
83425./106149.=7.85923560278476430e-01 |
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Ongoing, e744, Thu May 24 02:30:52 2018, iulian, RUN, General, N/A, RUN 440 14N no target trigger Must & cats %100
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RUN 440
14N beam \
no target
trigger t1-t5
cats %100
some counts in t5. Very low transmission . max 30 while in cats we had 500 |
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Fixed, e744, Thu May 24 03:21:37 2018, iulian, OTHER, Hardware, N/A, Position measurements Must2/PPT/EXL
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Fixed, e744, Thu May 24 03:57:34 2018, iulian, RUN, General, N/A, run 442 Lise trigger d6
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Fixed, e744, Thu May 24 04:20:34 2018, iulian, RUN, General, N/A, run 443 T1-t5 triggers
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run 443
T1-T5 triggers
still problems to recover the counting on must2. Cats: 5000 pps , T5: 50 pps max
Below changes in tuning with little change in counting...
The energy for 14N7+ at the entrance of must2 should be 28.44 meV if the beam dump thickness is correct (34 um). If a dead layer of 0.5 um of Al is included, the energy became 27.849. This looks very close to what we see on X strip, and about 1 MeV off on Y strips. |
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Pinned, e744, Thu May 24 05:44:56 2018, iulian, RUN, General, N/A, Important::analysis of the run 443/ things to do
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No stop on t5, but TAC MM_CATS ok.. So two possibilities:
1) Stop Cable not connected on Muvi2
2) Problem with the validation of CATS by FAG
HF validated by FAG was not working
Dead time scaler was not working
We need to erase all the scalers at the beginning of the run, including the part from Muvi (ORD, DESC, etc). Atm we erase only the U2M not the other part
The big problem is the transmission between LISE silicon detector D6 and T5 must with CATS on or off. 3000 counts/s on silicon d6 or CATS -> maximum 300 on T5. Is there a way to miss counting in Must2?
TAC_CATS_HF ok
TAC_MM_CATS ok
T_MM_EXLor present with prompt from cosmics?!
T_MM_HF ok
T_MM_HFv not present |
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Ongoing, e744, Thu May 24 05:59:44 2018, iulian, MUST2, General, N/A, run 444 t1-t4 trigger no target 14n beam
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run 444
t1-t4 trigger
no target
14n beam |
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