Sat Mar 21 13:24:10 2020, Laszlo, Runs, run entry - run063,
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open file : run063
beam: 118Te52+
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Sat Mar 21 13:37:53 2020, Laszlo, , MCP can monitor target,
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now with the MCP we can see clearly the effect of the target :) (scintillation?)
so we want to scan through the target thickness with the beam and choose the best position afterwards.
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Sat Mar 21 13:44:16 2020, Pierre-Michel, Detectors, Recoil detector,
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We turn on Recoil detector, to use it as a monitor for target overlap.
MCP front -2500 V for highest signal rate.
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Sat Mar 21 14:52:05 2020, Laszlo, General, target optimization,
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previous position of the beam at target was -3mm (for the night position)
max. intensity position of the beam at target 1s -1mm. --> now it is set to this position
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Sat Mar 21 15:23:57 2020, Sergiy, Runs, run entry - run063,
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open file : run063
beam: 118Te52+
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Sat Mar 21 15:26:49 2020, Laszlo, General, SCRAPER is ON use again,
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Yuri puts back the scraper (Egelhof 1 - GE01DD1IG) into position = +19. (where it was in the evening) |
Sat Mar 21 15:30:34 2020, Sergiy, General, go into the ESR,
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We are going into the ESR to check the electronics.
Use calibration sources (133Ba etc). |
Sat Mar 21 17:21:57 2020, Laszlo, General, new Target density,
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Ulli and Nikos managed to set the target density to ~7E13 at 51K temperature
The cycle is checked again, it seems fine. |
Sat Mar 21 17:30:08 2020, Sergiy, Runs, run entry - run064,
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beam: 118Te52+
energy: 10 MeV/u
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Sat Mar 21 17:32:12 2020, Sergiy, Runs, run entry - run064,
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open file : run064
beam: 118Te52+
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Sat Mar 21 17:34:10 2020, Sergiy, General, Recoils,
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We started recording the data from the recoils using the MCP from Pierre-Michael's experiment.
17:30 File opened: recoils1662.lmd.
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Sat Mar 21 18:13:22 2020, Shahab, General, rough comparison gas target off and on,
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rough comparison of life time at 10 MeV/u when target off with on. more noise in background means weaker signal. |
Sat Mar 21 18:13:22 2020, Sergiy, Runs, run entry - run064,
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open file : run064
beam: 118Te52+
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Sat Mar 21 18:42:43 2020, Sergiy, Runs, run entry - run065,
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open file : run065
beam: 118Te52+
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Sat Mar 21 19:11:33 2020, Sergiy, Runs, run entry - run065,
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open file : run065
beam: 118Te52+
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Sat Mar 21 19:42:33 2020, Sergiy, Runs, run entry - run066,
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open file : run066
beam: 118Te52+
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Sat Mar 21 20:11:59 2020, Sergiy, Runs, run entry - run066,
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open file : run066
beam: 118Te52+
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Sat Mar 21 20:39:38 2020, Sergiy,Ruijiu , Runs, run entry - run067,
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open file : run067
beam: 118Te52+
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Sat Mar 21 21:11:46 2020, Sergiy,Ruijiu , Runs, run entry - run067,
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open file : run067
beam: 118Te52+
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Sat Mar 21 21:36:06 2020, Jan, Runs, target incident,
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in run 66 or 67 we had a single ESR cycle for which the target didn't switch off for new injection and deceleration etc.
Very likely the DAQ also didn't get an OFF signal and collected OFF data to the TRIGGER=1 (ON data) branch.
As a consequence we collected about ~100 counts on the Si in one shot, which was about ~20 counts before this shot.
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