 Mon Jun 17 00:05:13 2024, JM, Run 83
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01:00
Cooler voltage setpoint 247.6 V.
FC20 read value 247.05 V. |
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Sun Jun 16 22:49:22 2024, JM, Run 82
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23:38
Cooler voltage setpoint 247.5 V.
FC20 read value 246.95 V. |
Sun Jun 15 10:46:35 2025, EW, EM, AR, AB, CB, JG, AK, Run 81 30x
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11:45 New run started - run 81, same settings as previous runs (75, 76 etc)
ROOT histograms NOT zeroed
Beam at 2.5e8, target density at 3e12 |
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Sun Jun 16 19:01:30 2024, ML, EM, Run 80
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20:00
Ecooler setpoint 246.8
Readout 246.25 |
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Sun Jun 15 07:01:37 2025, EW, EM, Run 80
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08:00 New run started - run 80
Run whilst they are optimising the beam after losing it, everything else same as previous runs
ROOT histograms NOT zeroed |
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Thu May 30 08:33:21 2024, CB, PW, YL, Run 8 & 9- detector motion tests 7x
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09:34 - Moved to Run 9 in preparation of moving detectors. No target yet. Beam in the ring at 750 keV/A.
Temperatures OK (attach)
System wide checks OK except 16 fails clock and ADC calib |
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Sun Jun 16 13:51:11 2024, CB EM ML, Run 79 7x
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14:51
Ecooler setpoint 246.9
Readout 246.35 |
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Sun Jun 16 13:29:05 2024, RSS CB, Run 78
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| Target clogged? |
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Fri Jun 13 19:41:32 2025, JG, SHB, JM, AR, EW, OF, Run 77, 78, 79 17x
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New run started - Run 77 after refilling LN2 dewar
Same settings as Run 75 & 76
The root histos have not been reset, i.e. they show combined statistics of run 75, 76 and 77. |
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Sun Jun 16 06:02:31 2024, RSS, Run 77 20x
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Run 77 started at 06:48
Cooler voltage setpoint 247.0 V.
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Sat Jun 15 21:14:56 2024, JM, JS, LC, Run 76
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22:15
New run 76 - beam on target with definite target overlap [coasting]
Cooler voltage setpoint 247.1 V. |
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Fri Jun 13 16:39:18 2025, JG, SHB, Run 76 7x
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Same settings as run 75.
Detector 4 is biased at 100V and switched from MEC to LEC.
The root histos have not been reset, i.e. they show combined statistics of run 75 and 76. |
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Sat Jun 15 13:30:18 2024, JM, JS, Run 75
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14:30
New run 75 - beam on target with definite target overlap [coasting]
Cooler voltage setpoint 247.2 V. |
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Fri Jun 13 14:45:58 2025, JG, SS, JM, CB, EW, AR, Run 75
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90 keV/u beam on target, Target overlap confirmed with lifetime measurement using bunched beam - @ -12.5mm
We do not expect to see see Rutherford due to energy loss in the dead layer, using other particle detector for normalsiation. |
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Sat Jun 15 06:10:21 2024, EM, PMH, Run 74 6x
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7:00
Cooler voltage setpoint 247.4 V.
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Thu Jun 12 15:33:17 2025, CB, JM, EM, JG, TD, AB, CF, AR, Run 74 27x
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16:34
Like Run 73, but particle detector in YR10 now active, and recorded in MBS.
Clear effect of target on beam lifetime. Target off -> nearly no counts. |
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Fri Jun 14 22:18:18 2024, RSS, CB, US, Run 73 20x
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Beam is back.New run started.
Cooler voltage setpoint 247.3 V. |
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Thu Jun 12 14:22:27 2025, JM, CB, TD, CF, JG, EM, Run 73
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15:00
Cave closed, waiting for beam to come back.
Reset all ASIC settings to those in elog 737 |
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Thu Jun 12 14:08:42 2025, JM, CB, Run 72 - pulser walkthrough
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Pulser walkthrough conducted while the cave was open.
Pulser amplitudes 90000, 80000, 70000, 60000, 50000, 40000, 30000, 20000, 10000
DSSD4 was set to MEC and bias off as the detector had previously tripped. |
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Fri Jun 14 14:46:54 2024, LC, JM, CB, TD, US, Run 71 - beam on target
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15:45
New run 71 - beam on target with definite target overlap [coasting]
Cooler voltage setpoint 247.3 V. |
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