 Fri Aug 12 09:06:57 2022, TD, JM, Noise tests pt2 30x
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10.07 DSSSD bias -100V leakage current -8.65uA
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Thu Aug 11 09:25:13 2022, JM, TD, Noise tests 14x
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Moved pneumatic motor in and out several revolutions
Biased detector up to 100 V, I ~ 12.4 uA ambient temp c. 21 deg C |
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Wed Aug 10 10:33:03 2022, TD, ML, JM, NP, Meeting at YR09 to discuss options for CARME operations to February 2022
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Initial discussions of proposals to provide open CARME chamber and provide access to near and far detector chambers
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Wed Aug 10 10:30:04 2022, TD, JM, Wednesday 10 August
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09.45 Found CARME electrical power off
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Tue Aug 9 16:07:33 2022, JM, TD, Anydesk setup command line
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To log into appc218 desktop:
same login and password as to carme@atppc022.gsi.de
To start anydesk |
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Tue Aug 9 13:44:16 2022, TD, JM, Tuesday 9 August
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14.00 CARME vacuum c. 1.8e-10 mbar - see attachment 1
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Thu Mar 3 15:14:21 2022, JM, OH, CARME packing up
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Pulser walkthrough taken for motor position 23.1mm and motor position 67.43mm.
Points taken at 30,50,70,90,110,130,150,170,190,210,230 for 23.1mm position and 230,210,190,170,150,130,110 for 67.43mm position.
Motors moved to fully OUT position and pin put back in. Current positions before closing program 19.1mm and 19.57mm. |
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Wed Mar 2 22:29:48 2022, CB, SD, Last shift with beam 9x
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22:30 Shift handed over. DAQ OK. Target OK. Beam OK.
00:22 Temperatures OK |
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Wed Mar 2 21:16:06 2022, JM, PM, Current status
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22:16
Temperature setpoint = 113k
Not observed noise burst again |
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Wed Mar 2 19:25:25 2022, JM, PM, Current status 10x
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20:25
Observed short burst of low energy noise on aida1, lasted <30s (attachment 8).
Temperature setpoint = 113 K |
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Wed Mar 2 17:21:35 2022, JM, PM, Current status 8x
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18:21
Temperature setpoint = 113k
Target density OK S1 varies between 2E-8 and 2.5E-8 mbar, E4 between 1E-9 and 5E-9 mbar. (slightly lower than previous check) |
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Wed Mar 2 14:15:16 2022, JM, PM, Current status 6x
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15:15
Temperature setpoint = 113 K
Target density is OK for now. S1 vaies between 2E-8 and 3.5E-8 mbar. E4 between 1E-9 and 1E-8 mbar. |
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Wed Mar 2 09:38:50 2022, Spillmann, Uwe, ion source restarted
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detector position
out: 23.1mm |
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Wed Mar 2 06:00:49 2022, Spillmann, Uwe, waiting
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07:00
Target density is hovering between 2.0e-8 and 2.3e-8 |
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Wed Mar 2 03:40:40 2022, David, George, Temperature Cycle
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04:40
Target density is hovering between 2.0e-8 and 2.3e-8, sometimes dipping below 2.0e-8
We will conduct a temperature walkthrough while there is no beam, |
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Wed Mar 2 01:24:48 2022, David, George, Ion Source Update
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02:25
Zoran was unable to ignite the ion source.
He has given some parameters to the control room so they can wiggle stuff around and try and ignite it. |
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Tue Mar 1 23:43:15 2022, David, George, Beam Intensity Drop
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00:38
Intensity in the ring dropped by 2 orders of magnitude to 5e5 on injection
Lost rutherford rate (as seen in last e-log post) |
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Tue Mar 1 23:30:04 2022, David, George, Current status
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00:30
Pressure in S1 slightly decreased from before but still high enough to measure data.
One new count at 20MeV |
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Tue Mar 1 22:10:26 2022, David, George, Current status
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Ring current 6.67e7 particles/s
pressure at S1: 2.3-2.8e-8
Merger, Tape server (WS3): 1574 kB/s, writing ok |
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Tue Mar 1 21:34:06 2022, PM, LV, check 14x
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no change:
Check Clock Status': Passed 5, Failed 0
Check ADC Calibration: Passed 5, Failed 0 |