 Tue Mar 1 05:23:02 2022, JM, EM, Current status 
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06:20
Servo motors moved to fully out position as some work on the beam was neccessary. Beam injection had dropped from ~9e7 to around 1e7. Potentiometer
reads 19.10 mm. |
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Sun Jun 2 23:38:17 2024, JM, EM, Run 25 32x
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00:38
Run 25 started - Beam on target
Beam energy = 1.5 MeV. |
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Thu Jun 5 08:50:00 2025, JM, CF, CB, EW, Run 51 - background
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09:49
DSSD4 has been biased to 100V in steps of 5V from 60V. It was previously stable overnight at 60V - attachment 1
Will keep an eye on it but looks OK at the moment. Current bias and leakage current - attachment 2 |
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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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Sun Feb 11 13:28:46 2024, JM, CB, TD, Run16 - beam on target 30x
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13:37 Run started - no beam in the ring (One of the ring magnets was still on RED when it should have been set to green by HKR)
14:28 Beam ON - still observe beam halo on DSSD0 (Top left)
YR09 Vertical and horizontal offsets set to -9.0 mm |
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Mon Feb 21 17:26:19 2022, JM, CB, SHB, OH (remotely), Beam ON run 53 9x
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21/2/22 16:00
Call from main control room, beam is ON, probably has been for several hours judging by rate on xy total plot.
Changes made to online monitoring code by OH, include setting to only 1 DSSD, correct offsets from the pulser walkthrough, offline analysis capabilities |
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Thu Feb 17 16:26:27 2022, JM, CB, SD, Gauges OFF, Pulser Movement tests 7x
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Edinburgh group ion gauge turned OFF -> decrease in leakage current from 10.05 uA to 6.5 uA
GSI vacuum group ion gauge turned OFF -> decrease in leakage current from 6.5 uA to 3.63 uA
GSI large ion pump turned ON -> no effect on leakage current |
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Thu Feb 17 18:19:16 2022, JM, CB, SD, Alpha Background run 46
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Both GSI vacuum group and edinburgh ion gauges OFF
Fees power cycled. All system checks OK.
Writing to file, alpha background overnight. |
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Tue Feb 15 14:59:37 2022, JM, CB, RJC, Pulser walkthrough 11x
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16:00
Check Fee temperatures: all green (see attachment 1)
Check statistics tab: ADC data items (see attachment 2) |
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Thu May 30 13:31:01 2024, JM, CB, PW, YL, Run 11 - beam on target overlap
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14:30
Run 11 started. D+ beam in the ring at 1.5 MeV.
No target at the moment. Valves to the interaction chamber will soon be opened. |
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Fri Feb 25 15:38:40 2022, JM, CB, PJW, Run 55, 56, 59 root histograms 6x
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Run55 - detector out, start 22/2/22 13:20, end 23/2/22 10:49
Run 56 - detector moved in, start 23/2/22 10:4, end 23/2/22 15:46
Run 59 - detector position optimised, detector position in, start 23/2/22 17:57, end 24/2/22 00:04 |
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Tue Jun 10 22:38:59 2025, JM, CB, PJW, Run 65 7x
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23:40
Offline anlaysis shows two clear peaks for DSSD1 and 2 at very low energies close to the threshold. One must be elastics and the other a noise
peak. |
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Wed Feb 14 14:59:13 2024, JM, CB, NP, ML, AG, AB, Run 27 -Beam on target optimisation
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Run 27 Started to check optimsation of the beam - target overlap.
Beam intensity at injection is roughly 1e7 particles
Target density apporx 4.2e11 atoms/cm2 and stable. |
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Fri May 30 20:06:48 2025, JM, CB, NP, Run35 8x
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21:00
Run 35 started.
D+ beam deuterium target. D+ beam energy is 2 MeV/u. (beam calc calculation is 1.9211 MeV/u -> may be wrong cooler voltage, need to check |
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Fri May 30 20:47:47 2025, JM, CB, NP, Run 36
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21:47
Run 36 started.
D+ beam deuterium target. D+ beam energy is 2 MeV/u. |
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Tue Feb 22 00:32:35 2022, JM, CB, LV, PM, AK, Beam ON, Target ON Run 54
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01:30
Beam ON ~6E6 pps
Target ON and open to the ring |
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Tue Feb 22 02:02:11 2022, JM, CB, LV, PM, AK, Beam ON, Target ON Run 54 10x
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03:00
Beam ON ~7E6 pps
Target ON and open to the ring |
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Tue Feb 22 03:05:06 2022, JM, CB, LV, PM, AK, Beam ON, Target ON Run 54 9x
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04:00
Beam ON ~5.5E6 pps, but it fluctates between 2e6 and 6e6 (like a step function) in about each 5-10min
Target ON and open to the ring |
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Tue Feb 22 04:09:28 2022, JM, CB, LV, PM, AK, Beam ON, Target ON Run 54 - first event at 10MeV ! 11x
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05:00
Beam ON ~2E6 pps, still fluctates between 2e6 and 6e6 (like a step function)
Target ON and open to the ring |
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Tue Feb 22 05:12:38 2022, JM, CB, LV, PM, AK, Beam ON, Target ON Run 54 11x
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06:00
Beam ON ~1.5E6 pps, still fluctates between 1e6 and 6e6 (like a step function)
Target ON and open to the ring |
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